PDB Short entry for 3K7G
HEADER    SIGNALING PROTEIN                       13-OCT-09   3K7G              
TITLE     CRYSTAL STRUCTURE OF THE INDIAN HEDGEHOG N-TERMINAL SIGNALLING DOMAIN 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: INDIAN HEDGEHOG PROTEIN;                                   
COMPND   3 CHAIN: B;                                                            
COMPND   4 FRAGMENT: INDIAN HEDGEHOG PROTEIN N-PRODUCT;                         
COMPND   5 SYNONYM: IHH, HHG-2;                                                 
COMPND   6 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: IHH;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: ROSSETA (DE3);                             
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28A                                    
KEYWDS    ALPHA+BETA SANDWICH, AUTOCATALYTIC CLEAVAGE, CELL MEMBRANE,           
KEYWDS   2 DEVELOPMENTAL PROTEIN, DISEASE MUTATION, GLYCOPROTEIN, HYDROLASE,    
KEYWDS   3 LIPOPROTEIN, MEMBRANE, PALMITATE, PROTEASE, SECRETED, SIGNALING      
KEYWDS   4 PROTEIN                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.-X.HE,Y.KANG,W.J.ZHANG,J.YU,G.MA,C.-Z.ZHOU                          
REVDAT   1   26-JAN-11 3K7G    0                                                
JRNL        AUTH   Y.-X.HE,Y.KANG,W.J.ZHANG,J.YU,G.MA,C.-Z.ZHOU                 
JRNL        TITL   CRYSTAL STRUCTURE OF THE INDIAN HEDGEHOG N-TERMINAL          
JRNL        TITL 2 SIGNALLING DOMAIN                                            
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN             
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-                     
REMARK   3               : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO,              
REMARK   3               : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL            
REMARK   3               : MORIARTY,REETAL PAI,RANDY READ,JANE                  
REMARK   3               : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM             
REMARK   3               : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH,             
REMARK   3               : LAURENT STORONI,TOM TERWILLIGER,PETER                
REMARK   3               : ZWART                                                
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 21.31                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.410                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 32107                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.173                           
REMARK   3   R VALUE            (WORKING SET) : 0.172                           
REMARK   3   FREE R VALUE                     : 0.184                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.070                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1627                            
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 21.3126 -  3.4298    0.98     2546   160  0.1571 0.1460        
REMARK   3     2  3.4298 -  2.7241    1.00     2547   140  0.1673 0.1861        
REMARK   3     3  2.7241 -  2.3803    1.00     2548   140  0.1760 0.1994        
REMARK   3     4  2.3803 -  2.1629    1.00     2575   116  0.1592 0.1615        
REMARK   3     5  2.1629 -  2.0080    1.00     2530   141  0.1470 0.1524        
REMARK   3     6  2.0080 -  1.8897    1.00     2562   122  0.1517 0.1829        
REMARK   3     7  1.8897 -  1.7951    1.00     2553   140  0.1537 0.1742        
REMARK   3     8  1.7951 -  1.7170    1.00     2532   124  0.1649 0.1915        
REMARK   3     9  1.7170 -  1.6509    1.00     2543   139  0.1759 0.2130        
REMARK   3    10  1.6509 -  1.5940    1.00     2525   148  0.1639 0.1795        
REMARK   3    11  1.5940 -  1.5441    1.00     2500   127  0.1663 0.1851        
REMARK   3    12  1.5441 -  1.5000    0.99     2519   130  0.1760 0.1959        
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              : 0.43                                          
REMARK   3   B_SOL              : 40.13                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.160            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.290           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 11.73                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 13.65                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.62800                                              
REMARK   3    B22 (A**2) : -0.04400                                             
REMARK   3    B33 (A**2) : -1.58400                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.44100                                              
REMARK   3    B23 (A**2) : -0.00000                                             
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      :  0.005           1311                                  
REMARK   3   ANGLE     :  1.073           1771                                  
REMARK   3   CHIRALITY :  0.077            181                                  
REMARK   3   PLANARITY :  0.004            229                                  
REMARK   3   DIHEDRAL  : 16.711            481                                  
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 3K7G COMPLIES WITH FORMAT V. 3.20, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 19-OCT-09.                  
REMARK 100 THE RCSB ID CODE IS RCSB055641.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-MAR-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007 HF             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54178                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 345 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32115                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 23.900                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 2.700                              
REMARK 200  R MERGE                    (I) : 0.03000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.58                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.11700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 10.000                             
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1VHH                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS-HCL, PH 8.5, 2.0M (NH4)2SO4,   
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       53.83000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       26.67500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       53.83000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       26.67500            
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 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: 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH B 247  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 282  LIES ON A SPECIAL POSITION.                          
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     MET B    16                                                      
REMARK 465     ARG B    17                                                      
REMARK 465     GLY B    18                                                      
REMARK 465     SER B    19                                                      
REMARK 465     HIS B    20                                                      
REMARK 465     HIS B    21                                                      
REMARK 465     HIS B    22                                                      
REMARK 465     HIS B    23                                                      
REMARK 465     HIS B    24                                                      
REMARK 465     HIS B    25                                                      
REMARK 465     GLY B    26                                                      
REMARK 465     SER B    27                                                      
REMARK 465     CYS B    28                                                      
REMARK 465     GLY B    29                                                      
REMARK 465     PRO B    30                                                      
REMARK 465     GLY B    31                                                      
REMARK 465     ARG B    32                                                      
REMARK 465     VAL B    33                                                      
REMARK 465     VAL B    34                                                      
REMARK 465     GLY B    35                                                      
REMARK 465     SER B    36                                                      
REMARK 465     ARG B    37                                                      
REMARK 465     ARG B    38                                                      
REMARK 465     ARG B    39                                                      
REMARK 465     PRO B    40                                                      
REMARK 465     ALA B   198                                                      
REMARK 465     LYS B   199                                                      
REMARK 465     THR B   200                                                      
REMARK 465     GLY B   201                                                      
REMARK 465     GLY B   202                                                      
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   O    HOH B   349     O    HOH B   422     4455     2.18            
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    LYS B  50       -0.99     78.56                                   
REMARK 500    ASN B  55       42.19    -77.37                                   
REMARK 500    LYS B  59       36.46    -96.56                                   
REMARK 500    ALA B  63     -119.13   -120.42                                   
REMARK 500    GLU B 131      119.49   -160.28                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B1001  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 145   NE2                                                    
REMARK 620 2 ASP B 152   OD1 107.8                                              
REMARK 620 3 HIS B 187   ND1 107.0 108.1                                        
REMARK 620 4 HOH B 250   O   113.7 114.5 105.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 1                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 2                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 3                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 4                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 203                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3K7H   RELATED DB: PDB                                   
REMARK 900 THE E95K MUTANT OF THE INDIAN HEDGEHOG N-TERMINAL                    
REMARK 900 SIGNALLING DOMAIN                                                    
REMARK 900 RELATED ID: 3K7I   RELATED DB: PDB                                   
REMARK 900 THE E131K MUTANT OF THE INDIAN HEDGEHOG N-TERMINAL                   
REMARK 900 SIGNALLING DOMAIN                                                    
REMARK 900 RELATED ID: 3K7J   RELATED DB: PDB                                   
REMARK 900 THE D100E MUTANT OF THE INDIAN HEDGEHOG N-TERMINAL                   
REMARK 900 SIGNALLING DOMAIN                                                    
DBREF  3K7G B   28   202  UNP    Q14623   IHH_HUMAN       28    202             
SEQADV 3K7G MET B   16  UNP  Q14623              INITIATING METHIONINE          
SEQADV 3K7G ARG B   17  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G GLY B   18  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G SER B   19  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G HIS B   20  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G HIS B   21  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G HIS B   22  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G HIS B   23  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G HIS B   24  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G HIS B   25  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G GLY B   26  UNP  Q14623              EXPRESSION TAG                 
SEQADV 3K7G SER B   27  UNP  Q14623              EXPRESSION TAG                 
SEQRES   1 B  187  MET ARG GLY SER HIS HIS HIS HIS HIS HIS GLY SER CYS          
SEQRES   2 B  187  GLY PRO GLY ARG VAL VAL GLY SER ARG ARG ARG PRO PRO          
SEQRES   3 B  187  ARG LYS LEU VAL PRO LEU ALA TYR LYS GLN PHE SER PRO          
SEQRES   4 B  187  ASN VAL PRO GLU LYS THR LEU GLY ALA SER GLY ARG TYR          
SEQRES   5 B  187  GLU GLY LYS ILE ALA ARG SER SER GLU ARG PHE LYS GLU          
SEQRES   6 B  187  LEU THR PRO ASN TYR ASN PRO ASP ILE ILE PHE LYS ASP          
SEQRES   7 B  187  GLU GLU ASN THR GLY ALA ASP ARG LEU MET THR GLN ARG          
SEQRES   8 B  187  CYS LYS ASP ARG LEU ASN SER LEU ALA ILE SER VAL MET          
SEQRES   9 B  187  ASN GLN TRP PRO GLY VAL LYS LEU ARG VAL THR GLU GLY          
SEQRES  10 B  187  TRP ASP GLU ASP GLY HIS HIS SER GLU GLU SER LEU HIS          
SEQRES  11 B  187  TYR GLU GLY ARG ALA VAL ASP ILE THR THR SER ASP ARG          
SEQRES  12 B  187  ASP ARG ASN LYS TYR GLY LEU LEU ALA ARG LEU ALA VAL          
SEQRES  13 B  187  GLU ALA GLY PHE ASP TRP VAL TYR TYR GLU SER LYS ALA          
SEQRES  14 B  187  HIS VAL HIS CYS SER VAL LYS SER GLU HIS SER ALA ALA          
SEQRES  15 B  187  ALA LYS THR GLY GLY                                          
HET     ZN  B1001       1                                                       
HET    SO4  B   1       5                                                       
HET    SO4  B   2       5                                                       
HET    SO4  B   3       5                                                       
HET    SO4  B   4       5                                                       
HET    GOL  B 203       6                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     SO4 SULFATE ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  SO4    4(O4 S 2-)                                                   
FORMUL   7  GOL    C3 H8 O3                                                     
FORMUL   8  HOH   *248(H2 O)                                                    
HELIX    1   1 SER B   75  LEU B   81  5                                   7    
HELIX    2   2 GLY B   98  ASP B  100  5                                   3    
HELIX    3   3 THR B  104  TRP B  122  1                                  19    
HELIX    4   4 SER B  143  GLY B  148  5                                   6    
HELIX    5   5 ASP B  159  ASN B  161  5                                   3    
HELIX    6   6 LYS B  162  ALA B  173  1                                  12    
SHEET    1   A 6 PHE B  52  SER B  53  0                                        
SHEET    2   A 6 TRP B 177  SER B 182 -1  O  VAL B 178   N  SER B  53           
SHEET    3   A 6 HIS B 185  SER B 189 -1  O  HIS B 187   N  TYR B 179           
SHEET    4   A 6 ALA B 150  THR B 155 -1  N  VAL B 151   O  CYS B 188           
SHEET    5   A 6 LEU B 127  GLU B 131 -1  N  GLU B 131   O  ASP B 152           
SHEET    6   A 6 ILE B  89  PHE B  91  1  N  ILE B  90   O  VAL B 129           
SHEET    1   B 2 THR B  82  PRO B  83  0                                        
SHEET    2   B 2 LEU B 102  MET B 103 -1  O  MET B 103   N  THR B  82           
LINK         NE2 HIS B 145                ZN    ZN B1001     1555   1555  2.04  
LINK         OD1 ASP B 152                ZN    ZN B1001     1555   1555  2.00  
LINK         ND1 HIS B 187                ZN    ZN B1001     1555   1555  2.07  
LINK        ZN    ZN B1001                 O   HOH B 250     1555   1555  2.04  
CISPEP   1 SER B   53    PRO B   54          0        -2.02                     
SITE     1 AC1  5 HIS B 145  ASP B 152  HIS B 187  ALA B 197                    
SITE     2 AC1  5 HOH B 250                                                     
SITE     1 AC2  6 HOH B  13  GLN B  51  SER B  53  ARG B 168                    
SITE     2 AC2  6 HOH B 262  HOH B 384                                          
SITE     1 AC3  5 TYR B  67  GLY B  69  LYS B  70  ARG B 160                    
SITE     2 AC3  5 HOH B 351                                                     
SITE     1 AC4 10 HOH B  14  ARG B  66  LYS B  92  ARG B 128                    
SITE     2 AC4 10 THR B 130  ARG B 158  HOH B 270  HOH B 336                    
SITE     3 AC4 10 HOH B 365  HOH B 422                                          
SITE     1 AC5  7 ILE B  89  ILE B  90  PHE B  91  ARG B 101                    
SITE     2 AC5  7 HOH B 260  HOH B 416  HOH B 430                               
SITE     1 AC6  6 SER B  75  GLU B  76  ARG B  77  LYS B 183                    
SITE     2 AC6  6 HOH B 366  HOH B 432                                          
CRYST1  107.660   53.350   35.440  90.00  91.32  90.00 C 1 2 1       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      0.009289  0.000000  0.000214        0.00000                         
SCALE2      0.000000  0.018744  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.028224        0.00000