HEADER    COMPLEMENT                              16-AUG-01   1GKN              
TITLE     STRUCTURE DETERMINATION AND RATIONAL MUTAGENESIS REVEAL BINDING       
TITLE    2 SURFACE OF IMMUNE ADHERENCE RECEPTOR, CR1 (CD35)                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: COMPLEMENT RECEPTOR TYPE 1;                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: MODULES 15 AND 16, OF SITE 2 RESIDUE 942-1065;             
COMPND   5 SYNONYM: CR1, C3B/C4B RECEPTOR, CD35, ANTIGEN;                       
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 OTHER_DETAILS: FIRST TWO MODULES OF SITE 2 IN CR1. A C3B/C4B BINDING 
COMPND   9 SITE                                                                 
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE   7 EXPRESSION_SYSTEM_VECTOR: PPIC9;                                     
SOURCE   8 OTHER_DETAILS: RECOMBINANT TECHNOLOGY USING HUMAN GENE (NOT          
SOURCE   9 SYNTHETIC)                                                           
KEYWDS    COMPLEMENT, MODULE, SCR                                               
EXPDTA    SOLUTION NMR                                                          
NUMMDL    24                                                                    
AUTHOR    B.O.SMITH,R.L.MALLIN,M.KRYCH-GOLDBERG,X.WANG,R.E.HAUHART,K.BROMEK,    
AUTHOR   2 D.UHRIN,J.P.ATKINSON,P.N.BARLOW                                      
REVDAT   3   23-OCT-24 1GKN    1       REMARK                                   
REVDAT   2   24-FEB-09 1GKN    1       VERSN                                    
REVDAT   1   18-APR-02 1GKN    0                                                
JRNL        AUTH   B.O.SMITH,R.L.MALLIN,M.KRYCH-GOLDBERG,X.WANG,R.E.HAUHART,    
JRNL        AUTH 2 K.BROMEK,D.UHRIN,J.P.ATKINSON,P.N.BARLOW                     
JRNL        TITL   STRUCTURE OF THE C3B BINDING SITE OF CR1 (CD35), THE IMMUNE  
JRNL        TITL 2 ADHERENCE RECEPTOR                                           
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V. 108   769 2002              
JRNL        REFN                   ISSN 0092-8674                               
JRNL        PMID   11955431                                                     
JRNL        DOI    10.1016/S0092-8674(02)00672-4                                
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : A.T.BRUNGER, P.D.ADAMS, G.M.CLORE, W.L.DELANO,       
REMARK   3                 P.GROS, R.W.GROSSE-KUNSTLEVE,J.-S.JIANG,             
REMARK   3                 J.KUSZEWSKI, M.NILGES, N.S.PANNU, R.J.READ,          
REMARK   3                 L.M.RICE, T.SIMONSON,G.L.WARREN                      
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: REFINEMENT DETAILS CAN BE FOUND IN THE    
REMARK   3  JRNL CITATION ABOVE                                                 
REMARK   4                                                                      
REMARK   4 1GKN COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 16-AUG-01.                  
REMARK 100 THE DEPOSITION ID IS D_1290008451.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 310                                
REMARK 210  PH                             : 6.0                                
REMARK 210  IONIC STRENGTH                 : 20MM NACL                          
REMARK 210  PRESSURE                       : 1 ATM                              
REMARK 210  SAMPLE CONTENTS                : NULL                               
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D EXPERIMENTS:15N-HSQC; 13C       
REMARK 210                                   -HSQC; 3D HNCACB; CBCA(CO)NH;      
REMARK 210                                   HNCO; HN(CA)CO; HCCH-TOCSY; 13C-   
REMARK 210                                   EDITED NOESY; 15N-EDITED NOESY;    
REMARK 210                                   (HB)CB(CGCDCE)HE; (HB)CB(CGCD)HD   
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ; 800 MHZ                   
REMARK 210  SPECTROMETER MODEL             : INOVA; DRX                         
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN; BRUKER                     
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : CNS 1.0                            
REMARK 210   METHOD USED                   : MOLECULAR DYNAMICS SIMULATED       
REMARK 210                                   ANNEALING                          
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 120                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 24                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : LOWEST ENERGY                      
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR      
REMARK 210  SPECTROSCOPY ON 13C, 15N-LABELED PROTEIN                            
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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 APPLY THE FOLLOWING TO CHAINS: A                                     
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 CHAIN A ENGINEERED MUTATION ASN918THR (SWS NUMBER 959),              
REMARK 400  ASN987THR (SWS NUMBER 1028). GLYCOSYLATION SITE REMOVED.            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
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                                                                      
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  1 ALA A 898       45.95   -174.13                                   
REMARK 500  1 ALA A 900      143.32     70.47                                   
REMARK 500  1 LEU A 909      -48.44     75.72                                   
REMARK 500  1 THR A 918       44.21   -148.59                                   
REMARK 500  1 THR A 926      121.48   -174.83                                   
REMARK 500  1 GLU A 935       26.80    -73.77                                   
REMARK 500  1 ARG A 939      164.36     46.71                                   
REMARK 500  1 PHE A 941     -159.79    -95.57                                   
REMARK 500  1 SER A 942      136.44   -171.86                                   
REMARK 500  1 ASP A 947      -37.45    172.91                                   
REMARK 500  1 LYS A 955     -145.11    -80.65                                   
REMARK 500  1 MET A 973      146.71   -178.88                                   
REMARK 500  1 THR A 978      -54.14   -144.72                                   
REMARK 500  1 ASP A 979     -142.18   -158.64                                   
REMARK 500  1 ILE A 980       37.51   -151.05                                   
REMARK 500  1 VAL A 982       30.66    -63.91                                   
REMARK 500  1 HIS A 999     -122.17   -154.08                                   
REMARK 500  1 SER A1000      -46.08   -168.31                                   
REMARK 500  1 ILE A1005     -159.73   -135.75                                   
REMARK 500  1 PRO A1018     -150.79    -64.88                                   
REMARK 500  1 ILE A1019     -158.60   -136.91                                   
REMARK 500  2 LEU A 909      -43.01     75.00                                   
REMARK 500  2 LYS A 914      -36.85   -138.54                                   
REMARK 500  2 THR A 918      -47.74   -159.48                                   
REMARK 500  2 PRO A 934       64.75    -63.44                                   
REMARK 500  2 GLU A 935        2.31   -174.85                                   
REMARK 500  2 ARG A 939      171.04     45.79                                   
REMARK 500  2 SER A 942      143.09   -172.89                                   
REMARK 500  2 ASP A 947      -40.52    172.74                                   
REMARK 500  2 ASN A 948       34.95    -83.50                                   
REMARK 500  2 ASP A 956       77.89     56.99                                   
REMARK 500  2 VAL A 957      -30.02   -149.31                                   
REMARK 500  2 CYS A 958       62.97   -151.60                                   
REMARK 500  2 MET A 973      135.74    173.94                                   
REMARK 500  2 ILE A 977      -47.46     71.83                                   
REMARK 500  2 THR A 978      -60.09   -148.38                                   
REMARK 500  2 ASP A 979     -152.89   -155.01                                   
REMARK 500  2 ILE A 980       22.93   -148.64                                   
REMARK 500  2 VAL A 982       90.97    -49.95                                   
REMARK 500  2 HIS A 999     -132.51    -78.30                                   
REMARK 500  2 SER A1000      -29.89   -174.25                                   
REMARK 500  2 SER A1007      -32.36   -149.99                                   
REMARK 500  2 PRO A1018     -157.47    -59.75                                   
REMARK 500  3 ALA A 898      134.29   -170.27                                   
REMARK 500  3 GLU A 899     -154.89    -67.46                                   
REMARK 500  3 ASP A 906     -137.09     26.05                                   
REMARK 500  3 LYS A 914       27.61   -154.75                                   
REMARK 500  3 THR A 915     -111.59    -69.96                                   
REMARK 500  3 GLN A 916       34.78   -169.13                                   
REMARK 500  3 THR A 926      127.26   -175.23                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     615 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1GKG   RELATED DB: PDB                                   
REMARK 900 STRUCTURE DETERMINATION AND RATIONAL MUTAGENESIS REVEAL BINDING      
REMARK 900 SURFACE OF IMMUNE ADHERENCE RECEPTOR, CR1 (CD35)                     
DBREF  1GKN A  897   900  PDB    1GKN     1GKN           897    900             
DBREF  1GKN A  901  1024  UNP    P17927   CR1_HUMAN      942   1065             
SEQADV 1GKN THR A  918  UNP  P17927    ASN   959 ENGINEERED MUTATION            
SEQADV 1GKN THR A  987  UNP  P17927    ASN  1028 ENGINEERED MUTATION            
SEQRES   1 A  128  GLU ALA GLU ALA HIS CYS GLN ALA PRO ASP HIS PHE LEU          
SEQRES   2 A  128  PHE ALA LYS LEU LYS THR GLN THR THR ALA SER ASP PHE          
SEQRES   3 A  128  PRO ILE GLY THR SER LEU LYS TYR GLU CYS ARG PRO GLU          
SEQRES   4 A  128  TYR TYR GLY ARG PRO PHE SER ILE THR CYS LEU ASP ASN          
SEQRES   5 A  128  LEU VAL TRP SER SER PRO LYS ASP VAL CYS LYS ARG LYS          
SEQRES   6 A  128  SER CYS LYS THR PRO PRO ASP PRO VAL ASN GLY MET VAL          
SEQRES   7 A  128  HIS VAL ILE THR ASP ILE GLN VAL GLY SER ARG ILE THR          
SEQRES   8 A  128  TYR SER CYS THR THR GLY HIS ARG LEU ILE GLY HIS SER          
SEQRES   9 A  128  SER ALA GLU CYS ILE LEU SER GLY ASN THR ALA HIS TRP          
SEQRES  10 A  128  SER THR LYS PRO PRO ILE CYS GLN ARG ILE PRO                  
SHEET    1  AA 2 HIS A 901  CYS A 902  0                                        
SHEET    2  AA 2 PHE A 922  PRO A 923 -1  O  PHE A 922   N  CYS A 902           
SHEET    1  AB 3 ALA A 911  LEU A 913  0                                        
SHEET    2  AB 3 SER A 927  CYS A 932 -1  O  GLU A 931   N  LYS A 912           
SHEET    3  AB 3 PHE A 941  THR A 944 -1  O  PHE A 941   N  TYR A 930           
SHEET    1  AC 2 TYR A 936  TYR A 937  0                                        
SHEET    2  AC 2 LYS A 959  ARG A 960 -1  O  LYS A 959   N  TYR A 937           
SHEET    1  AD 4 GLY A 972  VAL A 976  0                                        
SHEET    2  AD 4 ARG A 985  CYS A 990 -1  O  THR A 987   N  HIS A 975           
SHEET    3  AD 4 SER A1001  LEU A1006 -1  O  ALA A1002   N  ILE A 986           
SHEET    4  AD 4 ALA A1011  TRP A1013 -1  O  HIS A1012   N  ILE A1005           
SHEET    1  AE 2 HIS A 994  ARG A 995  0                                        
SHEET    2  AE 2 GLN A1021  ARG A1022 -1  O  GLN A1021   N  ARG A 995           
SSBOND   1 CYS A  902    CYS A  945                          1555   1555  2.03  
SSBOND   2 CYS A  932    CYS A  958                          1555   1555  2.03  
SSBOND   3 CYS A  963    CYS A 1004                          1555   1555  2.03  
SSBOND   4 CYS A  990    CYS A 1020                          1555   1555  2.03  
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1