HEADER    PRION                                   02-OCT-97   2PRP              
OBSLTE     02-DEC-98 2PRP      1B10                                             
TITLE     SOLUTION NMR STRUCTURE OF RECOMBINANT SYRIAN HAMSTER PRION            
TITLE    2 PROTEIN RPRP(90-231), 15 STRUCTURES                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PRION PROTEIN;                                             
COMPND   3 CHAIN: NULL;                                                         
COMPND   4 FRAGMENT: 90 - 231;                                                  
COMPND   5 SYNONYM: SHA RPRP90-231;                                             
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MESOCRICETUS AURATUS;                           
SOURCE   3 ORGANISM_COMMON: GOLDEN HAMSTER;                                     
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_STRAIN: 27C7;                                      
SOURCE   6 EXPRESSION_SYSTEM_CELLULAR_LOCATION: PERIPLASM;                      
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID SECRETION VECTOR;             
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: ESCHERICHIA COLI 27C7;                     
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: STII VARIANT 4 (90 - 231);                
SOURCE  10 EXPRESSION_SYSTEM_GENE: ALKALINE PHOSPHATASE;                        
SOURCE  11 OTHER_DETAILS: GENENTECH DERIVED VECTOR SYSTEM                       
KEYWDS    PRION, SCRAPIE, BRAIN, GLYCOPROTEIN                                   
EXPDTA    NMR, 15 STRUCTURES                                                    
AUTHOR    T.L.JAMES,H.LIU,N.B.ULYANOV,S.FARR-JONES                              
REVDAT   1   04-FEB-98 2PRP    0                                                
JRNL        AUTH   T.L.JAMES,H.LIU,N.B.ULYANOV,S.FARR-JONES,H.ZHANG,            
JRNL        AUTH 2 D.G.DONNE,K.KANEKO,D.GROTH,I.MEHLHORN,S.B.PRUSINER,          
JRNL        AUTH 3 F.E.COHEN                                                    
JRNL        TITL   SOLUTION STRUCTURE OF A 142-RESIDUE RECOMBINANT              
JRNL        TITL 2 PRION PROTEIN CORRESPONDING TO THE INFECTIOUS                
JRNL        TITL 3 FRAGMENT OF THE SCRAPIE ISOFORM                              
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  94 10086 1997              
JRNL        REFN   ASTM PNASA6  US ISSN 0027-8424                               
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : DIANA                                                
REMARK   3   AUTHORS     : WUTHRICH                                             
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THREE DIMENSIONAL SOLUTION STRUCTURE      
REMARK   3  OF RECOMBINANT SYRIAN HAMSTER PRION PROTEIN RPRP(90-231) WAS        
REMARK   3  DETERMINED BY NMR RESTRAINTS USING THE PROGRAM DIANA, FOLLOWED      
REMARK   3  BY ENERGY MINIMIZATION WITH AMBER 4.1. TOTAL NUMBER OF              
REMARK   3  EXPERIMENTAL DISTANCE RESTRAINTS IS 2401 (858 INTRARESIDUE,         
REMARK   3  753 SEQUENTIAL (I,I+1), 195 (I,I+2), 233 (I,I+3), 109 (I,I+4)       
REMARK   3  AND 253 LONG RANGE). SECONDARY STRUCTURE HYDROGEN BOND              
REMARK   3  RESTRAINTS (44) WERE INCLUDED IN THE REFINEMENT. NOE                
REMARK   3  CONNECTIVITIES AND SECONDARY STRUCTURE BASED ON CHEMICAL            
REMARK   3  SHIFTS WERE USED TO IDENTIFY THOSE H-BONDS. IN AVERAGE, 30 OUT      
REMARK   3  OF THE 2401 RESTRAINTS WERE VIOLATED BY MORE THAN 0.5               
REMARK   3  ANGSTROMS IN THE 15 DEPOSITED STRUCTURES. RMSD OF BACKBONE          
REMARK   3  HEAVY ATOMS OF RESIDUES 128 - 227 IS LESS THAN 1.9 FOR THE 15       
REMARK   3  STRUCTURES. NOTE: THE PROCHIRAL GROUPS WERE NOT                     
REMARK   3  STEREOSPECIFICALLY ASSIGNED, AND AROMATIC RING PROTONS ARE          
REMARK   3  ONLY PARTIALLY ASSIGNED. THE REFINEMENT OF HIGH RESOLUTION          
REMARK   3  STRUCTURE IS IN PROGRESS. REFINEMENT DETAILS CAN ALSO BE FOUND      
REMARK   3  IN THE JRNL CITATION ABOVE.                                         
REMARK   4                                                                      
REMARK   4 2PRP COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998                       
REMARK   6                                                                      
REMARK   6 PDB ADVISORY NOTICE:                                                 
REMARK   6 THE FIFTEEN MODELS PRESENTED IN THIS ENTRY ARE NOT IN THE            
REMARK   6 SAME ORIENTATION.                                                    
REMARK   7                                                                      
REMARK   7 THIS MOLECULE CORRESPONDS TO INFECTIOUS FRAGMENT PRP 27-30           
REMARK   7 OF SCRAPIE INFECTED HAMSTER.                                         
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 303                                
REMARK 210  PH                             : 5.2                                
REMARK 210  IONIC STRENGTH                 : NULL                               
REMARK 210  PRESSURE                       : NULL                               
REMARK 210  SAMPLE CONTENTS                : NULL                               
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : N15 NOESY, C13 NOESY               
REMARK 210  SPECTROMETER FIELD STRENGTH    : 750 MHZ, 600 MHZ, 500 MHZ          
REMARK 210  SPECTROMETER MODEL             : DMX, AMX, UNITYPLUS                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER, VARIAN                     
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : DIANA, AMBER                       
REMARK 210   METHOD USED                   : DIANA DISTANCE GEOMETRY AND        
REMARK 210                                   AMBER ENERGY MINIMIZATION          
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 15                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : DIANA SCORING FUNCTION             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
REMARK 210                                                                      
REMARK 210 REMARK: IONIC_STRENGTH: NULL PRESSURE: 1 ATM SOLVENT SYSTEM:         
REMARK 210  1MM PROTEIN, H2O, 20 MM SODIUM ACETATE THE 1H, 15N AND 13C          
REMARK 210  RESONANCES WERE ASSIGNED USING TRIPLE RESONANCE NMR                 
REMARK 210  EXPERIMENTS HNCA, HNCACB, CBCACONNH, HNCO, HCCH-TOCSY ACQUIRED      
REMARK 210  ON 500 AND 600 MHZ SPECTROMETERS WITH UNIFORMLY 13C/15N-            
REMARK 210  LABELED SAMPLE. DISTANCE RESTRAINTS WERE OBTAINED FROM 750 MHZ      
REMARK 210  15N-HSQC-NOESY AND 13C-HSQC-NOESY SPECTRA WITH 100MS MIXING         
REMARK 210  TIME.                                                               
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 450                                                                      
REMARK 450 SOURCE                                                               
REMARK 450 PROTEASE DEFICIENT STRAIN OF E. COLI EXPRESSES SYRIAN                
REMARK 450 HAMSTER PRION PROTEIN 90-231 BY A VECTOR INDUCED BY                  
REMARK 450 PHOSPHATE DEPLETION.                                                 
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  M RES CSSEQI        PSI       PHI                                   
REMARK 500  1 ALA   115      -90.63     41.18                                   
REMARK 500  2 VAL   121      -68.81     61.20                                   
REMARK 500  2 VAL   122      -46.11     47.63                                   
REMARK 500  2 ASN   170      -94.55    103.84                                   
REMARK 500  2 ASP   227        8.09    129.24                                   
REMARK 500  3 ALA   120      138.29     75.45                                   
REMARK 500  3 ASN   170      -87.14     56.85                                   
REMARK 500  4 ALA   117      -69.44    142.04                                   
REMARK 500  4 ASP   227       50.68    112.11                                   
REMARK 500  5 ALA   118      -35.50     55.46                                   
REMARK 500  5 VAL   121      -54.98     52.89                                   
REMARK 500  6 GLU   196      169.20     54.63                                   
REMARK 500  7 ALA   115      -82.85     53.04                                   
REMARK 500  7 ARG   230      160.70     65.30                                   
REMARK 500  8 ASN   100       94.63    143.04                                   
REMARK 500  8 VAL   166      -75.28     64.65                                   
REMARK 500  9 MET   139      112.93    146.30                                   
REMARK 500 10 ALA   115     -175.77    145.16                                   
REMARK 500 11 GLN    91      121.64     68.45                                   
REMARK 500 11 SER   103      155.14     79.65                                   
REMARK 500 12 ASN   170     -102.20   -155.39                                   
REMARK 500 12 GLU   196      136.12     65.97                                   
REMARK 500 12 ASP   227       36.65    116.19                                   
REMARK 500 13 MET   134      121.25     75.76                                   
REMARK 500 13 VAL   166      -42.47     48.98                                   
REMARK 500 14 ASP   227       50.52    122.96                                   
REMARK 500 15 GLN   168        1.29    134.64                                   
REMARK 500 15 ASN   170      -95.75     52.90                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 SER    135    ARG    136          1      -147.75                     
REMARK 500 MET    139    HIS    140          3       145.59                     
REMARK 500 MET    213    CYS    214         15       149.19                     
REMARK 650                                                                      
REMARK 650 HELIX                                                                
REMARK 650 DETERMINATION METHOD: KABSCH AND SANDER                              
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 DETERMINATION METHOD: KABSCH AND SANDER                              
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 2PRP       SWS     P04273       1 -    89 NOT IN ATOMS LIST          
REMARK 999 2PRP       SWS     P04273     232 -   254 NOT IN ATOMS LIST          
DBREF  2PRP     90   231  UNP    P04273   PRIO_MESAU      90    231             
SEQRES   1    142  GLY GLN GLY GLY GLY THR HIS ASN GLN TRP ASN LYS PRO          
SEQRES   2    142  SER LYS PRO LYS THR ASN MET LYS HIS MET ALA GLY ALA          
SEQRES   3    142  ALA ALA ALA GLY ALA VAL VAL GLY GLY LEU GLY GLY TYR          
SEQRES   4    142  MET LEU GLY SER ALA MET SER ARG PRO MET MET HIS PHE          
SEQRES   5    142  GLY ASN ASP TRP GLU ASP ARG TYR TYR ARG GLU ASN MET          
SEQRES   6    142  ASN ARG TYR PRO ASN GLN VAL TYR TYR ARG PRO VAL ASP          
SEQRES   7    142  GLN TYR ASN ASN GLN ASN ASN PHE VAL HIS ASP CYS VAL          
SEQRES   8    142  ASN ILE THR ILE LYS GLN HIS THR VAL THR THR THR THR          
SEQRES   9    142  LYS GLY GLU ASN PHE THR GLU THR ASP ILE LYS ILE MET          
SEQRES  10    142  GLU ARG VAL VAL GLU GLN MET CYS THR THR GLN TYR GLN          
SEQRES  11    142  LYS GLU SER GLN ALA TYR TYR ASP GLY ARG ARG SER              
HELIX    1   1 ASP    144  ARG    156  1                                  13    
HELIX    2   2 ASN    174  THR    193  1                                  20    
HELIX    3   3 GLU    200  TYR    226  1                                  27    
SHEET    1   A 2 MET   129  GLY   131  0                                        
SHEET    2   A 2 VAL   161  TYR   163 -1  N  TYR   163   O  MET   129           
SSBOND   1 CYS    179    CYS    214                                             
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