PDB Short entry for 6D48
HEADER    IMMUNE SYSTEM                           17-APR-18   6D48              
TITLE     CELL SURFACE RECEPTOR                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MYELOID CELL SURFACE ANTIGEN CD33;                         
COMPND   3 CHAIN: E, F, G, H;                                                   
COMPND   4 SYNONYM: SIALIC ACID-BINDING IG-LIKE LECTIN 3,SIGLEC-3,GP67;         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CD33, SIGLEC3;                                                 
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    SIALIC ACID BINDING, TRANSMEMBRANE, RECEPTOR, SIGLEC, IMMUNE SYSTEM   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.J.HERMANS,L.A.MILES,M.W.PARKER                                      
REVDAT   3   04-OCT-23 6D48    1       SSBOND                                   
REVDAT   2   30-OCT-19 6D48    1       JRNL                                     
REVDAT   1   17-APR-19 6D48    0                                                
JRNL        AUTH   L.A.MILES,S.J.HERMANS,G.A.N.CRESPI,J.H.GOOI,L.DOUGHTY,       
JRNL        AUTH 2 T.L.NERO,J.MARKULIC,A.EBNETH,B.WROBLOWSKI,D.OEHLRICH,        
JRNL        AUTH 3 A.A.TRABANCO,M.L.RIVES,I.ROYAUX,N.C.HANCOCK,M.W.PARKER       
JRNL        TITL   SMALL MOLECULE BINDING TO ALZHEIMER RISK FACTOR CD33         
JRNL        TITL 2 PROMOTES A BETA PHAGOCYTOSIS.                                
JRNL        REF    ISCIENCE                      V.  19   110 2019              
JRNL        REFN                   ESSN 2589-0042                               
JRNL        PMID   31369984                                                     
JRNL        DOI    10.1016/J.ISCI.2019.07.023                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.78 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (1.11.1-2575_1496: ???)                       
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.78                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.60                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 51235                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.177                           
REMARK   3   R VALUE            (WORKING SET) : 0.176                           
REMARK   3   FREE R VALUE                     : 0.212                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.850                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2485                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 35.6061 -  4.6516    0.92     2661   121  0.1891 0.2070        
REMARK   3     2  4.6516 -  3.6933    0.97     2728   131  0.1431 0.1625        
REMARK   3     3  3.6933 -  3.2268    0.98     2687   140  0.1629 0.2068        
REMARK   3     4  3.2268 -  2.9319    0.99     2722   162  0.1807 0.2223        
REMARK   3     5  2.9319 -  2.7219    0.99     2745   128  0.1775 0.2005        
REMARK   3     6  2.7219 -  2.5614    1.00     2736   136  0.1863 0.2320        
REMARK   3     7  2.5614 -  2.4332    0.99     2694   156  0.1840 0.2279        
REMARK   3     8  2.4332 -  2.3273    1.00     2773   134  0.1711 0.2175        
REMARK   3     9  2.3273 -  2.2377    1.00     2726   138  0.1717 0.2069        
REMARK   3    10  2.2377 -  2.1605    1.00     2735   133  0.1711 0.1941        
REMARK   3    11  2.1605 -  2.0930    1.00     2723   118  0.1660 0.2211        
REMARK   3    12  2.0930 -  2.0331    1.00     2738   159  0.1680 0.2207        
REMARK   3    13  2.0331 -  1.9796    1.00     2703   136  0.1861 0.2248        
REMARK   3    14  1.9796 -  1.9313    1.00     2780   143  0.1961 0.2618        
REMARK   3    15  1.9313 -  1.8874    1.00     2635   141  0.2177 0.2526        
REMARK   3    16  1.8874 -  1.8473    1.00     2780   149  0.2060 0.2864        
REMARK   3    17  1.8473 -  1.8103    1.00     2717   129  0.2207 0.2768        
REMARK   3    18  1.8103 -  1.7761    0.90     2467   131  0.2305 0.2906        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.180            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.540           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.010           4170                                  
REMARK   3   ANGLE     :  0.979           5669                                  
REMARK   3   CHIRALITY :  0.062            594                                  
REMARK   3   PLANARITY :  0.008            751                                  
REMARK   3   DIHEDRAL  : 12.742           2503                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6D48 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-APR-18.                  
REMARK 100 THE DEPOSITION ID IS D_1000233947.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-NOV-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : AUSTRALIAN SYNCHROTRON             
REMARK 200  BEAMLINE                       : MX2                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9537                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 51251                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.776                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 42.480                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.5                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : 0.04400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.78                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.81                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.39100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
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: 1NKO                                                 
REMARK 200                                                                      
REMARK 200 REMARK: CUBIC                                                        
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.31                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 4000 100 MM TRIS-HCL PH 8.5      
REMARK 280  10% GLYCEROL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       20.77150            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3, 4                                              
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E                                     
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: F                                     
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: 3                                                       
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: G                                     
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: 4                                                       
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: H                                     
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     GLY E     5                                                      
REMARK 465     HIS E   131                                                      
REMARK 465     GLY F     5                                                      
REMARK 465     HIS F   131                                                      
REMARK 465     GLY G     5                                                      
REMARK 465     THR G   130                                                      
REMARK 465     HIS G   131                                                      
REMARK 465     GLY H     5                                                      
REMARK 465     THR H   130                                                      
REMARK 465     HIS H   131                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ARG E  99    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG F  99    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG H  99    CG   CD   NE   CZ   NH1  NH2                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500  HE22  GLN H    12     O    HOH H   201              1.25            
REMARK 500   HZ3  LYS F    65     OD1  ASP F    67              1.54            
REMARK 500  HH22  ARG E    98     OD1  ASP E   128              1.54            
REMARK 500  HH12  ARG G    50     O    HOH G   201              1.57            
REMARK 500   O    HOH E   286     O    HOH E   311              1.93            
REMARK 500   O    HOH F   205     O    HOH F   220              1.98            
REMARK 500   O    HOH H   255     O    HOH H   281              2.00            
REMARK 500   NE2  GLN H    12     O    HOH H   201              2.05            
REMARK 500   O    HOH E   213     O    HOH E   221              2.10            
REMARK 500   NH1  ARG G    50     O    HOH G   201              2.10            
REMARK 500   NH1  ARG F    50     O    HOH F   201              2.10            
REMARK 500   O    HOH F   287     O    HOH G   290              2.12            
REMARK 500   O    HOH G   230     O    HOH G   281              2.12            
REMARK 500   O    HOH E   315     O    HOH E   322              2.15            
REMARK 500   O    HOH E   234     O    HOH E   320              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   HH   TYR E   115     HH   TYR F    37     1655     1.13            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    LEU F  23     -164.54   -101.55                                   
REMARK 500    LEU G  23     -167.89   -101.87                                   
REMARK 500    ARG G  57      -42.59   -133.22                                   
REMARK 500    LEU H  23     -168.78   -108.60                                   
REMARK 500    HIS H  33      108.98   -164.22                                   
REMARK 500    ARG H  57      -29.09   -141.48                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH F 338        DISTANCE =  5.81 ANGSTROMS                       
DBREF  6D48 E    6   131  UNP    P20138   CD33_HUMAN      18    143             
DBREF  6D48 F    6   131  UNP    P20138   CD33_HUMAN      18    143             
DBREF  6D48 G    6   131  UNP    P20138   CD33_HUMAN      18    143             
DBREF  6D48 H    6   131  UNP    P20138   CD33_HUMAN      18    143             
SEQADV 6D48 GLY E    5  UNP  P20138              EXPRESSION TAG                 
SEQADV 6D48 GLY F    5  UNP  P20138              EXPRESSION TAG                 
SEQADV 6D48 GLY G    5  UNP  P20138              EXPRESSION TAG                 
SEQADV 6D48 GLY H    5  UNP  P20138              EXPRESSION TAG                 
SEQRES   1 E  127  GLY ASP PRO ASN PHE TRP LEU GLN VAL GLN GLU SER VAL          
SEQRES   2 E  127  THR VAL GLN GLU GLY LEU CYS VAL LEU VAL PRO CYS THR          
SEQRES   3 E  127  PHE PHE HIS PRO ILE PRO TYR TYR ASP LYS ASN SER PRO          
SEQRES   4 E  127  VAL HIS GLY TYR TRP PHE ARG GLU GLY ALA ILE ILE SER          
SEQRES   5 E  127  ARG ASP SER PRO VAL ALA THR ASN LYS LEU ASP GLN GLU          
SEQRES   6 E  127  VAL GLN GLU GLU THR GLN GLY ARG PHE ARG LEU LEU GLY          
SEQRES   7 E  127  ASP PRO SER ARG ASN ASN CYS SER LEU SER ILE VAL ASP          
SEQRES   8 E  127  ALA ARG ARG ARG ASP ASN GLY SER TYR PHE PHE ARG MET          
SEQRES   9 E  127  GLU ARG GLY SER THR LYS TYR SER TYR LYS SER PRO GLN          
SEQRES  10 E  127  LEU SER VAL HIS VAL THR ASP LEU THR HIS                      
SEQRES   1 F  127  GLY ASP PRO ASN PHE TRP LEU GLN VAL GLN GLU SER VAL          
SEQRES   2 F  127  THR VAL GLN GLU GLY LEU CYS VAL LEU VAL PRO CYS THR          
SEQRES   3 F  127  PHE PHE HIS PRO ILE PRO TYR TYR ASP LYS ASN SER PRO          
SEQRES   4 F  127  VAL HIS GLY TYR TRP PHE ARG GLU GLY ALA ILE ILE SER          
SEQRES   5 F  127  ARG ASP SER PRO VAL ALA THR ASN LYS LEU ASP GLN GLU          
SEQRES   6 F  127  VAL GLN GLU GLU THR GLN GLY ARG PHE ARG LEU LEU GLY          
SEQRES   7 F  127  ASP PRO SER ARG ASN ASN CYS SER LEU SER ILE VAL ASP          
SEQRES   8 F  127  ALA ARG ARG ARG ASP ASN GLY SER TYR PHE PHE ARG MET          
SEQRES   9 F  127  GLU ARG GLY SER THR LYS TYR SER TYR LYS SER PRO GLN          
SEQRES  10 F  127  LEU SER VAL HIS VAL THR ASP LEU THR HIS                      
SEQRES   1 G  127  GLY ASP PRO ASN PHE TRP LEU GLN VAL GLN GLU SER VAL          
SEQRES   2 G  127  THR VAL GLN GLU GLY LEU CYS VAL LEU VAL PRO CYS THR          
SEQRES   3 G  127  PHE PHE HIS PRO ILE PRO TYR TYR ASP LYS ASN SER PRO          
SEQRES   4 G  127  VAL HIS GLY TYR TRP PHE ARG GLU GLY ALA ILE ILE SER          
SEQRES   5 G  127  ARG ASP SER PRO VAL ALA THR ASN LYS LEU ASP GLN GLU          
SEQRES   6 G  127  VAL GLN GLU GLU THR GLN GLY ARG PHE ARG LEU LEU GLY          
SEQRES   7 G  127  ASP PRO SER ARG ASN ASN CYS SER LEU SER ILE VAL ASP          
SEQRES   8 G  127  ALA ARG ARG ARG ASP ASN GLY SER TYR PHE PHE ARG MET          
SEQRES   9 G  127  GLU ARG GLY SER THR LYS TYR SER TYR LYS SER PRO GLN          
SEQRES  10 G  127  LEU SER VAL HIS VAL THR ASP LEU THR HIS                      
SEQRES   1 H  127  GLY ASP PRO ASN PHE TRP LEU GLN VAL GLN GLU SER VAL          
SEQRES   2 H  127  THR VAL GLN GLU GLY LEU CYS VAL LEU VAL PRO CYS THR          
SEQRES   3 H  127  PHE PHE HIS PRO ILE PRO TYR TYR ASP LYS ASN SER PRO          
SEQRES   4 H  127  VAL HIS GLY TYR TRP PHE ARG GLU GLY ALA ILE ILE SER          
SEQRES   5 H  127  ARG ASP SER PRO VAL ALA THR ASN LYS LEU ASP GLN GLU          
SEQRES   6 H  127  VAL GLN GLU GLU THR GLN GLY ARG PHE ARG LEU LEU GLY          
SEQRES   7 H  127  ASP PRO SER ARG ASN ASN CYS SER LEU SER ILE VAL ASP          
SEQRES   8 H  127  ALA ARG ARG ARG ASP ASN GLY SER TYR PHE PHE ARG MET          
SEQRES   9 H  127  GLU ARG GLY SER THR LYS TYR SER TYR LYS SER PRO GLN          
SEQRES  10 H  127  LEU SER VAL HIS VAL THR ASP LEU THR HIS                      
FORMUL   5  HOH   *490(H2 O)                                                    
HELIX    1 AA1 PRO E   36  LYS E   40  5                                   5    
HELIX    2 AA2 ASP E   83  ASN E   87  5                                   5    
HELIX    3 AA3 ARG E   97  ASN E  101  5                                   5    
HELIX    4 AA4 PRO F   36  LYS F   40  5                                   5    
HELIX    5 AA5 ASP F   83  ASN F   87  5                                   5    
HELIX    6 AA6 ARG F   97  ASN F  101  5                                   5    
HELIX    7 AA7 PRO G   36  LYS G   40  5                                   5    
HELIX    8 AA8 ASP G   83  ASN G   87  5                                   5    
HELIX    9 AA9 ARG G   97  ASN G  101  5                                   5    
HELIX   10 AB1 PRO H   36  LYS H   40  5                                   5    
HELIX   11 AB2 ASP H   83  ASN H   87  5                                   5    
HELIX   12 AB3 ARG H   97  ASN H  101  5                                   5    
SHEET    1 AA1 2 TRP E  10  VAL E  13  0                                        
SHEET    2 AA1 2 CYS E  29  PHE E  32 -1  O  THR E  30   N  GLN E  12           
SHEET    1 AA2 5 SER E  16  GLN E  20  0                                        
SHEET    2 AA2 5 THR E 113  THR E 127  1  O  HIS E 125   N  VAL E  17           
SHEET    3 AA2 5 GLY E 102  ARG E 110 -1  N  GLY E 102   O  VAL E 124           
SHEET    4 AA2 5 VAL E  44  ARG E  50 -1  N  HIS E  45   O  GLU E 109           
SHEET    5 AA2 5 ALA E  62  THR E  63 -1  O  ALA E  62   N  TRP E  48           
SHEET    1 AA3 3 VAL E  25  VAL E  27  0                                        
SHEET    2 AA3 3 LEU E  91  ILE E  93 -1  O  LEU E  91   N  VAL E  27           
SHEET    3 AA3 3 PHE E  78  LEU E  80 -1  N  ARG E  79   O  SER E  92           
SHEET    1 AA4 2 TRP F  10  VAL F  13  0                                        
SHEET    2 AA4 2 CYS F  29  PHE F  32 -1  O  THR F  30   N  GLN F  12           
SHEET    1 AA5 5 SER F  16  GLN F  20  0                                        
SHEET    2 AA5 5 THR F 113  THR F 127  1  O  HIS F 125   N  VAL F  17           
SHEET    3 AA5 5 GLY F 102  ARG F 110 -1  N  GLY F 102   O  VAL F 124           
SHEET    4 AA5 5 VAL F  44  ARG F  50 -1  N  HIS F  45   O  GLU F 109           
SHEET    5 AA5 5 ALA F  62  THR F  63 -1  O  ALA F  62   N  TRP F  48           
SHEET    1 AA6 3 VAL F  25  VAL F  27  0                                        
SHEET    2 AA6 3 LEU F  91  ILE F  93 -1  O  LEU F  91   N  VAL F  27           
SHEET    3 AA6 3 PHE F  78  LEU F  80 -1  N  ARG F  79   O  SER F  92           
SHEET    1 AA7 2 TRP G  10  VAL G  13  0                                        
SHEET    2 AA7 2 CYS G  29  PHE G  32 -1  O  THR G  30   N  GLN G  12           
SHEET    1 AA8 5 SER G  16  GLN G  20  0                                        
SHEET    2 AA8 5 THR G 113  THR G 127  1  O  HIS G 125   N  VAL G  17           
SHEET    3 AA8 5 GLY G 102  ARG G 110 -1  N  ARG G 110   O  THR G 113           
SHEET    4 AA8 5 VAL G  44  ARG G  50 -1  N  HIS G  45   O  GLU G 109           
SHEET    5 AA8 5 ALA G  62  THR G  63 -1  O  ALA G  62   N  TRP G  48           
SHEET    1 AA9 3 VAL G  25  VAL G  27  0                                        
SHEET    2 AA9 3 LEU G  91  ILE G  93 -1  O  LEU G  91   N  VAL G  27           
SHEET    3 AA9 3 PHE G  78  LEU G  80 -1  N  ARG G  79   O  SER G  92           
SHEET    1 AB1 2 TRP H  10  VAL H  13  0                                        
SHEET    2 AB1 2 CYS H  29  PHE H  32 -1  O  THR H  30   N  GLN H  12           
SHEET    1 AB2 5 SER H  16  GLN H  20  0                                        
SHEET    2 AB2 5 LEU H 122  THR H 127  1  O  SER H 123   N  VAL H  17           
SHEET    3 AB2 5 GLY H 102  ARG H 110 -1  N  GLY H 102   O  VAL H 124           
SHEET    4 AB2 5 VAL H  44  ARG H  50 -1  N  HIS H  45   O  GLU H 109           
SHEET    5 AB2 5 ALA H  62  THR H  63 -1  O  ALA H  62   N  TRP H  48           
SHEET    1 AB3 4 SER H  16  GLN H  20  0                                        
SHEET    2 AB3 4 LEU H 122  THR H 127  1  O  SER H 123   N  VAL H  17           
SHEET    3 AB3 4 GLY H 102  ARG H 110 -1  N  GLY H 102   O  VAL H 124           
SHEET    4 AB3 4 THR H 113  SER H 116 -1  O  THR H 113   N  ARG H 110           
SHEET    1 AB4 3 VAL H  25  VAL H  27  0                                        
SHEET    2 AB4 3 LEU H  91  ILE H  93 -1  O  LEU H  91   N  VAL H  27           
SHEET    3 AB4 3 PHE H  78  LEU H  80 -1  N  ARG H  79   O  SER H  92           
SSBOND   1 CYS E   24    CYS F   24                          1555   1545  2.08  
SSBOND   2 CYS E   29    CYS E   89                          1555   1555  2.05  
SSBOND   3 CYS F   29    CYS F   89                          1555   1555  2.03  
SSBOND   4 CYS G   24    CYS H   24                          1555   1565  2.04  
SSBOND   5 CYS G   29    CYS G   89                          1555   1555  2.06  
SSBOND   6 CYS H   29    CYS H   89                          1555   1555  2.06  
CISPEP   1 SER E  119    PRO E  120          0        -8.96                     
CISPEP   2 SER F  119    PRO F  120          0        -4.13                     
CISPEP   3 SER G  119    PRO G  120          0        -5.99                     
CISPEP   4 SER H  119    PRO H  120          0       -13.03                     
CRYST1   60.801   41.543  107.498  90.00  96.55  90.00 P 1 21 1      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      0.016447  0.000000  0.001888        0.00000                         
SCALE2      0.000000  0.024071  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009364        0.00000