PDB Short entry for 2NN8
HEADER    SUGAR BINDING PROTEIN                   24-OCT-06   2NN8              
TITLE     CRYSTAL STRUCTURE OF HUMAN GALECTIN-3 CARBOHYDRATE-RECOGNITION DOMAIN 
TITLE    2 WITH LACTOSE BOUND, AT 1.35 ANGSTROM RESOLUTION                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GALECTIN-3;                                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: GALECTIN-3 CRD DOMAIN, RESIDUES 113-250;                   
COMPND   5 SYNONYM: GALACTOSE-SPECIFIC LECTIN 3, MAC-2 ANTIGEN, IGE-BINDING     
COMPND   6 PROTEIN, 35 KDA LECTIN, CARBOHYDRATE-BINDING PROTEIN 35, CBP 35,     
COMPND   7 LAMININ-BINDING PROTEIN, LECTIN L-29, L-31, GALACTOSIDE-BINDING      
COMPND   8 PROTEIN, GALBP;                                                      
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21 DE3;                                  
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-3A                                    
KEYWDS    BETA-SANDWICH, SUGAR BINDING PROTEIN                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.BLANCHARD,P.M.COLLINS                                               
REVDAT   7   29-JUL-20 2NN8    1       COMPND REMARK HET    HETNAM              
REVDAT   7 2                   1       HETSYN FORMUL LINK   SITE                
REVDAT   7 3                   1       ATOM                                     
REVDAT   6   13-JUL-11 2NN8    1       VERSN                                    
REVDAT   5   13-OCT-09 2NN8    1       REMARK                                   
REVDAT   4   06-OCT-09 2NN8    1       HETNAM                                   
REVDAT   3   08-SEP-09 2NN8    1       HET    HETATM REMARK                     
REVDAT   2   24-FEB-09 2NN8    1       VERSN                                    
REVDAT   1   06-MAR-07 2NN8    0                                                
JRNL        AUTH   P.M.COLLINS,K.I.HIDARI,H.BLANCHARD                           
JRNL        TITL   SLOW DIFFUSION OF LACTOSE OUT OF GALECTIN-3 CRYSTALS         
JRNL        TITL 2 MONITORED BY X-RAY CRYSTALLOGRAPHY: POSSIBLE IMPLICATIONS    
JRNL        TITL 3 FOR LIGAND-EXCHANGE PROTOCOLS.                               
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  63   415 2007              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   17327679                                                     
JRNL        DOI    10.1107/S090744490605270X                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.35 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
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) : 1.35                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.62                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 27660                          
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) : 0.165                           
REMARK   3   R VALUE            (WORKING SET) : 0.164                           
REMARK   3   FREE R VALUE                     : 0.175                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1482                            
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) : 1.35                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.39                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1725                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 84.15                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2490                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 86                           
REMARK   3   BIN FREE R VALUE                    : 0.3260                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1108                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 53                                      
REMARK   3   SOLVENT ATOMS            : 197                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 13.88                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.31000                                              
REMARK   3    B22 (A**2) : -0.28000                                             
REMARK   3    B33 (A**2) : -0.03000                                             
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): 0.058         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.055         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.033         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.766         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.968                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.967                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1270 ; 0.007 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1747 ; 1.287 ; 1.975       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   168 ; 6.554 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    65 ;35.122 ;23.692       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   226 ;11.753 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;12.995 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   198 ; 0.089 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   976 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   467 ; 0.193 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   850 ; 0.310 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   137 ; 0.093 ; 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):    48 ; 0.147 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    29 ; 0.109 ; 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):   763 ; 1.437 ; 2.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1227 ; 1.989 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   556 ; 2.757 ; 4.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   504 ; 4.118 ; 6.000       
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   : 1.40                                          
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 2NN8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-OCT-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000040068.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-NOV-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1159                             
REMARK 200  MONOCHROMATOR                  : SI 111                             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29182                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.350                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 42.490                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.03600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.21000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1A3K                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.26                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 31% PEG 6000, 100MM MGCL2, 8MM BETA      
REMARK 280  MERCAPTOETHANOL, 100MM TRIS-HCL, PH 7.0, VAPOR DIFFUSION,           
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
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       18.18550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       31.30150            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.90000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       31.30150            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       18.18550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.90000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
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 300 REMARK: THE BIOLOGICAL MOLECULE(S) IS EXPECTED TO BE FULL-LENGTH     
REMARK 300 GALECTIN-3 WHICH CONSISTS OF N-TERMINAL DOMAIN AND THE CRD           
REMARK 300 DOMAIN. SEE REMARK 350 FOR INFORMATION ON GENERATING THE             
REMARK 300 BIOLOGICAL MOLECULE(S) OF CRD DOMAIN.                                
REMARK 300 THE BIOLOGICAL UNIT IS A MONOMER OF GALECTIN-3 CARBOHYDRATE          
REMARK 300 -RECOGNITION DOMAIN.                                                 
REMARK 300 THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT CONTAINS ONE MOLECULE           
REMARK 300 OF THE GALECTIN-3 CARBOHYDRATE-RECOGNITION DOMAIN.                   
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: A, B, 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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A 193   CD    GLU A 193   OE2     0.080                       
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    ARG A 129        1.46     86.42                                   
REMARK 500    ARG A 129       -3.47     90.08                                   
REMARK 500    ASN A 164       79.05   -151.33                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 LACTOSE IS MIXTURE OF BOTH ALPHA- AND BETA- FORMS WITH 0.5           
REMARK 600 OCCUPANCY. THEY ARE LABELED AS LBT FOR ALPHA AND LAT FOR BETA,       
REMARK 600 RESPECTIVELY.                                                        
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2NMN   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN BUT WITH WATER AND LACTOSE IN THE BINDING SITE      
REMARK 900 (PARTIAL OCCUPANCY)                                                  
REMARK 900 RELATED ID: 2NMO   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN BUT HAS GLYCEROL AND LACTOSE (BOTH WITH PARTIAL     
REMARK 900 OCCUPANCY) IN THE BINDING SITE                                       
DBREF  2NN8 A  113   250  UNP    P17931   LEG3_HUMAN     112    249             
SEQRES   1 A  138  PRO LEU ILE VAL PRO TYR ASN LEU PRO LEU PRO GLY GLY          
SEQRES   2 A  138  VAL VAL PRO ARG MET LEU ILE THR ILE LEU GLY THR VAL          
SEQRES   3 A  138  LYS PRO ASN ALA ASN ARG ILE ALA LEU ASP PHE GLN ARG          
SEQRES   4 A  138  GLY ASN ASP VAL ALA PHE HIS PHE ASN PRO ARG PHE ASN          
SEQRES   5 A  138  GLU ASN ASN ARG ARG VAL ILE VAL CYS ASN THR LYS LEU          
SEQRES   6 A  138  ASP ASN ASN TRP GLY ARG GLU GLU ARG GLN SER VAL PHE          
SEQRES   7 A  138  PRO PHE GLU SER GLY LYS PRO PHE LYS ILE GLN VAL LEU          
SEQRES   8 A  138  VAL GLU PRO ASP HIS PHE LYS VAL ALA VAL ASN ASP ALA          
SEQRES   9 A  138  HIS LEU LEU GLN TYR ASN HIS ARG VAL LYS LYS LEU ASN          
SEQRES  10 A  138  GLU ILE SER LYS LEU GLY ILE SER GLY ASP ILE ASP LEU          
SEQRES  11 A  138  THR SER ALA SER TYR THR MET ILE                              
HET    BGC  B   1      12                                                       
HET    GAL  B   2      11                                                       
HET    GLC  C   1      12                                                       
HET    GAL  C   2      11                                                       
HET    GOL  A 600       6                                                       
HET     CL  A1001       1                                                       
HETNAM     BGC BETA-D-GLUCOPYRANOSE                                             
HETNAM     GAL BETA-D-GALACTOPYRANOSE                                           
HETNAM     GLC ALPHA-D-GLUCOPYRANOSE                                            
HETNAM     GOL GLYCEROL                                                         
HETNAM      CL CHLORIDE ION                                                     
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2  BGC    C6 H12 O6                                                    
FORMUL   2  GAL    2(C6 H12 O6)                                                 
FORMUL   3  GLC    C6 H12 O6                                                    
FORMUL   4  GOL    C3 H8 O3                                                     
FORMUL   5   CL    CL 1-                                                        
FORMUL   6  HOH   *197(H2 O)                                                    
HELIX    1   1 LYS A  227  ILE A  231  5                                   5    
SHEET    1   A 6 TYR A 118  PRO A 121  0                                        
SHEET    2   A 6 LYS A 233  GLY A 238 -1  O  LEU A 234   N  LEU A 120           
SHEET    3   A 6 ILE A 145  ARG A 151 -1  N  GLN A 150   O  LYS A 233           
SHEET    4   A 6 ASP A 154  GLU A 165 -1  O  PHE A 157   N  PHE A 149           
SHEET    5   A 6 ARG A 168  LEU A 177 -1  O  VAL A 170   N  ARG A 162           
SHEET    6   A 6 ASN A 180  TRP A 181 -1  O  ASN A 180   N  LEU A 177           
SHEET    1   B 6 TYR A 118  PRO A 121  0                                        
SHEET    2   B 6 LYS A 233  GLY A 238 -1  O  LEU A 234   N  LEU A 120           
SHEET    3   B 6 ILE A 145  ARG A 151 -1  N  GLN A 150   O  LYS A 233           
SHEET    4   B 6 ASP A 154  GLU A 165 -1  O  PHE A 157   N  PHE A 149           
SHEET    5   B 6 ARG A 168  LEU A 177 -1  O  VAL A 170   N  ARG A 162           
SHEET    6   B 6 GLU A 185  GLN A 187 -1  O  GLU A 185   N  CYS A 173           
SHEET    1   C 5 ALA A 216  ASN A 222  0                                        
SHEET    2   C 5 HIS A 208  VAL A 213 -1  N  VAL A 211   O  LEU A 219           
SHEET    3   C 5 PRO A 197  VAL A 204 -1  N  LEU A 203   O  LYS A 210           
SHEET    4   C 5 MET A 130  VAL A 138 -1  N  ILE A 134   O  ILE A 200           
SHEET    5   C 5 ILE A 240  MET A 249 -1  O  THR A 248   N  LEU A 131           
LINK         O4 ABGC B   1                 C1 AGAL B   2     1555   1555  1.43  
LINK         O4 BGLC C   1                 C1 BGAL C   2     1555   1555  1.43  
CISPEP   1 VAL A  116    PRO A  117          0        -1.02                     
CRYST1   36.371   57.800   62.603  90.00  90.00  90.00 P 21 21 21    4          
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      0.027494  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017301  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015974        0.00000