PDB Short entry for 3BIK
HEADER    IMMUNE SYSTEM                           30-NOV-07   3BIK              
TITLE     CRYSTAL STRUCTURE OF THE PD-1/PD-L1 COMPLEX                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROGRAMMED CELL DEATH 1 LIGAND 1;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: EXTRACELLULAR REGION;                                      
COMPND   5 SYNONYM: PROGRAMMED DEATH LIGAND 1, PD-L1, PDCD1 LIGAND 1, B7 HOMOLOG
COMPND   6 1, B7-H1, CD274 ANTIGEN;                                             
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: PROGRAMMED CELL DEATH PROTEIN 1;                           
COMPND  10 CHAIN: B, C;                                                         
COMPND  11 FRAGMENT: EXTRACELLULAR DOMAIN;                                      
COMPND  12 SYNONYM: PROTEIN PD-1, MPD-1, CD279 ANTIGEN;                         
COMPND  13 ENGINEERED: YES;                                                     
COMPND  14 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CD274, B7H1, PDCD1L1, PDCD1LG1, PDL1;                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: ROSETTA 2 (DE3);                           
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PLM1;                                     
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE  13 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE  14 ORGANISM_TAXID: 10090;                                               
SOURCE  15 GENE: PDCD1, PD1;                                                    
SOURCE  16 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: ROSETTA 2 (DE3);                           
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: PLM1                                      
KEYWDS    CO-STIMULATION, RECEPTOR-LIGAND COMPLEX, IMMUNOGLOBULIN-LIKE BETA-    
KEYWDS   2 SANDWICH, T CELL, B CELL, PROGRAMMED DEATH, IMMUNE SYSTEM,           
KEYWDS   3 TRANSMEMBRANE, INHIBITORY RECEPTOR, GLYCOPROTEIN, IMMUNOGLOBULIN     
KEYWDS   4 DOMAIN, APOPTOSIS                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.Y.LIN,Y.TANAKA,M.IWASAKI,A.G.GITTIS,H.P.SU,B.MIKAMI,T.OKAZAKI,      
AUTHOR   2 T.HONJO,N.MINATO,D.N.GARBOCZI                                        
REVDAT   6   30-AUG-23 3BIK    1       REMARK                                   
REVDAT   5   20-OCT-21 3BIK    1       REMARK SEQADV                            
REVDAT   4   13-JUL-11 3BIK    1       VERSN                                    
REVDAT   3   24-FEB-09 3BIK    1       VERSN                                    
REVDAT   2   11-NOV-08 3BIK    1       JRNL                                     
REVDAT   1   26-FEB-08 3BIK    0                                                
JRNL        AUTH   D.Y.LIN,Y.TANAKA,M.IWASAKI,A.G.GITTIS,H.P.SU,B.MIKAMI,       
JRNL        AUTH 2 T.OKAZAKI,T.HONJO,N.MINATO,D.N.GARBOCZI                      
JRNL        TITL   THE PD-1/PD-L1 COMPLEX RESEMBLES THE ANTIGEN-BINDING FV      
JRNL        TITL 2 DOMAINS OF ANTIBODIES AND T CELL RECEPTORS.                  
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 105  3011 2008              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   18287011                                                     
JRNL        DOI    10.1073/PNAS.0712278105                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.65 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.65                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 17225                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.214                           
REMARK   3   R VALUE            (WORKING SET) : 0.211                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 898                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.65                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.72                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1050                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 88.44                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2850                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 52                           
REMARK   3   BIN FREE R VALUE                    : 0.3090                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3562                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 6                                       
REMARK   3   SOLVENT ATOMS            : 76                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 67.59                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.96000                                              
REMARK   3    B22 (A**2) : -1.41000                                             
REMARK   3    B33 (A**2) : -0.55000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.826         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.343         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.929                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.888                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3649 ; 0.014 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4960 ; 1.400 ; 1.946       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   443 ; 6.569 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   178 ;38.473 ;24.494       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   622 ;17.421 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    24 ;17.544 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   556 ; 0.082 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2776 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1294 ; 0.208 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2364 ; 0.309 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   134 ; 0.129 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    66 ; 0.171 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     7 ; 0.207 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2230 ; 2.322 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3622 ; 4.044 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1419 ; 2.842 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1338 ; 4.817 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3BIK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-DEC-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000045564.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-APR-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 6.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-BM                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97943                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : SBC-3                              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17320                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.650                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.65                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.74                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1NPU FOR CHAINS B,C, EARLY MODEL FOR       
REMARK 200  CHAIN A                                                             
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.69                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, 200MM NH4H2PO4, PH 6.00,   
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       28.23000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       79.96000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.97000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       79.96000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       28.23000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       31.97000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1730 ANGSTROM**2                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     PRO A   230                                                      
REMARK 465     LEU A   231                                                      
REMARK 465     ALA A   232                                                      
REMARK 465     HIS A   233                                                      
REMARK 465     PRO A   234                                                      
REMARK 465     PRO A   235                                                      
REMARK 465     ASN A   236                                                      
REMARK 465     GLU A   237                                                      
REMARK 465     ARG A   238                                                      
REMARK 465     THR A   239                                                      
REMARK 465     ALA B    24                                                      
REMARK 465     LEU B    25                                                      
REMARK 465     GLU B    26                                                      
REMARK 465     VAL B    27                                                      
REMARK 465     PRO B    28                                                      
REMARK 465     ASN B    29                                                      
REMARK 465     GLY B    30                                                      
REMARK 465     PRO B    31                                                      
REMARK 465     TRP B    32                                                      
REMARK 465     LEU B   149                                                      
REMARK 465     GLU B   150                                                      
REMARK 465     THR B   151                                                      
REMARK 465     SER B   152                                                      
REMARK 465     THR B   153                                                      
REMARK 465     ARG B   154                                                      
REMARK 465     TYR B   155                                                      
REMARK 465     PRO B   156                                                      
REMARK 465     SER B   157                                                      
REMARK 465     ALA C    24                                                      
REMARK 465     LEU C    25                                                      
REMARK 465     GLU C    26                                                      
REMARK 465     VAL C    27                                                      
REMARK 465     PRO C    28                                                      
REMARK 465     ASN C    29                                                      
REMARK 465     ILE C   148                                                      
REMARK 465     LEU C   149                                                      
REMARK 465     GLU C   150                                                      
REMARK 465     THR C   151                                                      
REMARK 465     SER C   152                                                      
REMARK 465     THR C   153                                                      
REMARK 465     ARG C   154                                                      
REMARK 465     TYR C   155                                                      
REMARK 465     PRO C   156                                                      
REMARK 465     SER C   157                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    LYS A  46      -70.62     -6.82                                   
REMARK 500    ASP A  61       -3.25     70.49                                   
REMARK 500    SER A  80       26.17    -62.58                                   
REMARK 500    TYR A 118       85.70   -159.66                                   
REMARK 500    PRO A 146       33.34    -80.71                                   
REMARK 500    VAL A 147      -50.08   -123.13                                   
REMARK 500    PRO A 161     -156.73    -70.95                                   
REMARK 500    HIS A 172       34.57     70.50                                   
REMARK 500    GLU A 187     -109.07   -106.84                                   
REMARK 500    GLU A 188     -109.86   -137.83                                   
REMARK 500    ASP A 215       65.59     60.09                                   
REMARK 500    PRO A 227     -168.13    -70.87                                   
REMARK 500    ASN B  74       15.36     95.85                                   
REMARK 500    GLN B  91      -12.76   -146.82                                   
REMARK 500    ASN B 102      -36.43    -30.53                                   
REMARK 500    ARG B 103      -28.54     77.77                                   
REMARK 500    LEU C 128       56.89   -119.17                                   
REMARK 500    LYS C 133      120.26   -170.68                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL C 301                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3BIS   RELATED DB: PDB                                   
DBREF  3BIK A   18   239  UNP    Q9NZQ7   PD1L1_HUMAN     18    239             
DBREF  3BIK B   25   157  UNP    Q02242   PDCD1_MOUSE     25    157             
DBREF  3BIK C   25   157  UNP    Q02242   PDCD1_MOUSE     25    157             
SEQADV 3BIK ALA B   24  UNP  Q02242              EXPRESSION TAG                 
SEQADV 3BIK SER B   83  UNP  Q02242    CYS    83 ENGINEERED MUTATION            
SEQADV 3BIK ALA C   24  UNP  Q02242              EXPRESSION TAG                 
SEQADV 3BIK SER C   83  UNP  Q02242    CYS    83 ENGINEERED MUTATION            
SEQRES   1 A  222  ALA PHE THR VAL THR VAL PRO LYS ASP LEU TYR VAL VAL          
SEQRES   2 A  222  GLU TYR GLY SER ASN MET THR ILE GLU CYS LYS PHE PRO          
SEQRES   3 A  222  VAL GLU LYS GLN LEU ASP LEU ALA ALA LEU ILE VAL TYR          
SEQRES   4 A  222  TRP GLU MET GLU ASP LYS ASN ILE ILE GLN PHE VAL HIS          
SEQRES   5 A  222  GLY GLU GLU ASP LEU LYS VAL GLN HIS SER SER TYR ARG          
SEQRES   6 A  222  GLN ARG ALA ARG LEU LEU LYS ASP GLN LEU SER LEU GLY          
SEQRES   7 A  222  ASN ALA ALA LEU GLN ILE THR ASP VAL LYS LEU GLN ASP          
SEQRES   8 A  222  ALA GLY VAL TYR ARG CYS MET ILE SER TYR GLY GLY ALA          
SEQRES   9 A  222  ASP TYR LYS ARG ILE THR VAL LYS VAL ASN ALA PRO TYR          
SEQRES  10 A  222  ASN LYS ILE ASN GLN ARG ILE LEU VAL VAL ASP PRO VAL          
SEQRES  11 A  222  THR SER GLU HIS GLU LEU THR CYS GLN ALA GLU GLY TYR          
SEQRES  12 A  222  PRO LYS ALA GLU VAL ILE TRP THR SER SER ASP HIS GLN          
SEQRES  13 A  222  VAL LEU SER GLY LYS THR THR THR THR ASN SER LYS ARG          
SEQRES  14 A  222  GLU GLU LYS LEU PHE ASN VAL THR SER THR LEU ARG ILE          
SEQRES  15 A  222  ASN THR THR THR ASN GLU ILE PHE TYR CYS THR PHE ARG          
SEQRES  16 A  222  ARG LEU ASP PRO GLU GLU ASN HIS THR ALA GLU LEU VAL          
SEQRES  17 A  222  ILE PRO GLU LEU PRO LEU ALA HIS PRO PRO ASN GLU ARG          
SEQRES  18 A  222  THR                                                          
SEQRES   1 B  134  ALA LEU GLU VAL PRO ASN GLY PRO TRP ARG SER LEU THR          
SEQRES   2 B  134  PHE TYR PRO ALA TRP LEU THR VAL SER GLU GLY ALA ASN          
SEQRES   3 B  134  ALA THR PHE THR CYS SER LEU SER ASN TRP SER GLU ASP          
SEQRES   4 B  134  LEU MET LEU ASN TRP ASN ARG LEU SER PRO SER ASN GLN          
SEQRES   5 B  134  THR GLU LYS GLN ALA ALA PHE SER ASN GLY LEU SER GLN          
SEQRES   6 B  134  PRO VAL GLN ASP ALA ARG PHE GLN ILE ILE GLN LEU PRO          
SEQRES   7 B  134  ASN ARG HIS ASP PHE HIS MET ASN ILE LEU ASP THR ARG          
SEQRES   8 B  134  ARG ASN ASP SER GLY ILE TYR LEU CYS GLY ALA ILE SER          
SEQRES   9 B  134  LEU HIS PRO LYS ALA LYS ILE GLU GLU SER PRO GLY ALA          
SEQRES  10 B  134  GLU LEU VAL VAL THR GLU ARG ILE LEU GLU THR SER THR          
SEQRES  11 B  134  ARG TYR PRO SER                                              
SEQRES   1 C  134  ALA LEU GLU VAL PRO ASN GLY PRO TRP ARG SER LEU THR          
SEQRES   2 C  134  PHE TYR PRO ALA TRP LEU THR VAL SER GLU GLY ALA ASN          
SEQRES   3 C  134  ALA THR PHE THR CYS SER LEU SER ASN TRP SER GLU ASP          
SEQRES   4 C  134  LEU MET LEU ASN TRP ASN ARG LEU SER PRO SER ASN GLN          
SEQRES   5 C  134  THR GLU LYS GLN ALA ALA PHE SER ASN GLY LEU SER GLN          
SEQRES   6 C  134  PRO VAL GLN ASP ALA ARG PHE GLN ILE ILE GLN LEU PRO          
SEQRES   7 C  134  ASN ARG HIS ASP PHE HIS MET ASN ILE LEU ASP THR ARG          
SEQRES   8 C  134  ARG ASN ASP SER GLY ILE TYR LEU CYS GLY ALA ILE SER          
SEQRES   9 C  134  LEU HIS PRO LYS ALA LYS ILE GLU GLU SER PRO GLY ALA          
SEQRES  10 C  134  GLU LEU VAL VAL THR GLU ARG ILE LEU GLU THR SER THR          
SEQRES  11 C  134  ARG TYR PRO SER                                              
HET    GOL  C 301       6                                                       
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   4  GOL    C3 H8 O3                                                     
FORMUL   5  HOH   *76(H2 O)                                                     
HELIX    1   1 HIS A   78  ARG A   82  5                                   5    
HELIX    2   2 LYS A   89  LEU A   94  5                                   6    
HELIX    3   3 LYS A  105  ALA A  109  5                                   5    
HELIX    4   4 ARG B  114  SER B  118  5                                   5    
HELIX    5   5 ARG C  114  SER C  118  5                                   5    
SHEET    1   A 6 LEU A  27  GLU A  31  0                                        
SHEET    2   A 6 ALA A 121  ASN A 131  1  O  ASN A 131   N  VAL A  30           
SHEET    3   A 6 GLY A 110  SER A 117 -1  N  TYR A 112   O  ILE A 126           
SHEET    4   A 6 ILE A  54  MET A  59 -1  N  TYR A  56   O  MET A 115           
SHEET    5   A 6 LYS A  62  VAL A  68 -1  O  PHE A  67   N  VAL A  55           
SHEET    6   A 6 GLU A  71  GLU A  72 -1  O  GLU A  71   N  VAL A  68           
SHEET    1   B 3 MET A  36  LYS A  41  0                                        
SHEET    2   B 3 ASN A  96  ILE A 101 -1  O  ALA A  97   N  CYS A  40           
SHEET    3   B 3 ALA A  85  LEU A  87 -1  N  ARG A  86   O  GLN A 100           
SHEET    1   C 4 ASN A 138  ASP A 145  0                                        
SHEET    2   C 4 GLU A 150  GLY A 159 -1  O  GLN A 156   N  ASN A 138           
SHEET    3   C 4 PHE A 191  ASN A 200 -1  O  ILE A 199   N  HIS A 151           
SHEET    4   C 4 LYS A 178  ASN A 183 -1  N  THR A 182   O  ASN A 192           
SHEET    1   D 4 VAL A 174  LEU A 175  0                                        
SHEET    2   D 4 GLU A 164  SER A 169 -1  N  TRP A 167   O  LEU A 175           
SHEET    3   D 4 ILE A 206  ARG A 213 -1  O  TYR A 208   N  THR A 168           
SHEET    4   D 4 GLU A 218  VAL A 225 -1  O  HIS A 220   N  PHE A 211           
SHEET    1   E 4 LEU B  35  TYR B  38  0                                        
SHEET    2   E 4 ALA B  50  LEU B  56 -1  O  SER B  55   N  THR B  36           
SHEET    3   E 4 ASP B 105  ILE B 110 -1  O  MET B 108   N  PHE B  52           
SHEET    4   E 4 PHE B  95  GLN B  99 -1  N  GLN B  96   O  ASN B 109           
SHEET    1   F 6 TRP B  41  SER B  45  0                                        
SHEET    2   F 6 ALA B 140  THR B 145  1  O  GLU B 141   N  LEU B  42           
SHEET    3   F 6 GLY B 119  SER B 127 -1  N  GLY B 119   O  LEU B 142           
SHEET    4   F 6 MET B  64  LEU B  70 -1  N  ASN B  66   O  GLY B 124           
SHEET    5   F 6 THR B  76  SER B  83 -1  O  ALA B  80   N  TRP B  67           
SHEET    6   F 6 LEU B  86  PRO B  89 -1  O  GLN B  88   N  ALA B  81           
SHEET    1   G 4 TRP B  41  SER B  45  0                                        
SHEET    2   G 4 ALA B 140  THR B 145  1  O  GLU B 141   N  LEU B  42           
SHEET    3   G 4 GLY B 119  SER B 127 -1  N  GLY B 119   O  LEU B 142           
SHEET    4   G 4 LYS B 133  GLU B 136 -1  O  GLU B 135   N  ALA B 125           
SHEET    1   H 4 LEU C  35  TYR C  38  0                                        
SHEET    2   H 4 ALA C  50  LEU C  56 -1  O  THR C  53   N  TYR C  38           
SHEET    3   H 4 ASP C 105  ILE C 110 -1  O  MET C 108   N  PHE C  52           
SHEET    4   H 4 PHE C  95  GLN C  99 -1  N  GLN C  96   O  ASN C 109           
SHEET    1   I 6 TRP C  41  SER C  45  0                                        
SHEET    2   I 6 ALA C 140  THR C 145  1  O  GLU C 141   N  LEU C  42           
SHEET    3   I 6 GLY C 119  ILE C 126 -1  N  TYR C 121   O  ALA C 140           
SHEET    4   I 6 MET C  64  ARG C  69 -1  N  ASN C  68   O  LEU C 122           
SHEET    5   I 6 GLU C  77  SER C  83 -1  O  GLN C  79   N  TRP C  67           
SHEET    6   I 6 LEU C  86  PRO C  89 -1  O  GLN C  88   N  ALA C  81           
SHEET    1   J 4 TRP C  41  SER C  45  0                                        
SHEET    2   J 4 ALA C 140  THR C 145  1  O  GLU C 141   N  LEU C  42           
SHEET    3   J 4 GLY C 119  ILE C 126 -1  N  TYR C 121   O  ALA C 140           
SHEET    4   J 4 ILE C 134  GLU C 136 -1  O  GLU C 135   N  ALA C 125           
SSBOND   1 CYS A   40    CYS A  114                          1555   1555  2.05  
SSBOND   2 CYS A  155    CYS A  209                          1555   1555  2.05  
SSBOND   3 CYS B   54    CYS B  123                          1555   1555  2.08  
SSBOND   4 CYS C   54    CYS C  123                          1555   1555  2.08  
CISPEP   1 TYR A  160    PRO A  161          0        -4.94                     
CISPEP   2 ASP A  215    PRO A  216          0       -11.10                     
CISPEP   3 TYR B   38    PRO B   39          0        -3.68                     
CISPEP   4 HIS B  129    PRO B  130          0        -0.01                     
CISPEP   5 TYR C   38    PRO C   39          0         3.74                     
CISPEP   6 HIS C  129    PRO C  130          0       -20.56                     
SITE     1 AC1  4 LEU C  70  PRO C  72  GLY C 119  ILE C 120                    
CRYST1   56.460   63.940  159.920  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017710  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015640  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006250        0.00000