HEADER IMMUNOGLOBULIN BINDING PROTEIN 15-MAY-91 1GB1 TITLE A NOVEL, HIGHLY STABLE FOLD OF THE IMMUNOGLOBULIN BINDING DOMAIN OF TITLE 2 STREPTOCOCCAL PROTEIN G COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN G; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES GRISEUS; SOURCE 3 ORGANISM_TAXID: 1911 KEYWDS IMMUNOGLOBULIN BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 60 AUTHOR A.M.GRONENBORN,G.M.CLORE REVDAT 3 23-FEB-22 1GB1 1 REMARK REVDAT 2 24-FEB-09 1GB1 1 VERSN REVDAT 1 15-APR-93 1GB1 0 JRNL AUTH A.M.GRONENBORN,D.R.FILPULA,N.Z.ESSIG,A.ACHARI,M.WHITLOW, JRNL AUTH 2 P.T.WINGFIELD,G.M.CLORE JRNL TITL A NOVEL, HIGHLY STABLE FOLD OF THE IMMUNOGLOBULIN BINDING JRNL TITL 2 DOMAIN OF STREPTOCOCCAL PROTEIN G. JRNL REF SCIENCE V. 253 657 1991 JRNL REFN ISSN 0036-8075 JRNL PMID 1871600 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : HAVEL,WUTHRICH (DISGEO), BRUNGER (X-PLOR) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 DETAILS OF THE STRUCTURE DETERMINATION AND ALL STRUCTURAL REMARK 3 STATISTICS ARE GIVEN IN THE PAPER CITED ON THE JRNL RECORDS REMARK 3 ABOVE (I.E. AGREEMENT WITH EXPERIMENTAL RESTRAINTS, REMARK 3 DEVIATIONS FROM IDEALITY FOR BOND LENGTHS, ANGLES, PLANES REMARK 3 AND CHIRALITY, NON-BONDED CONTACTS, ATOMIC RMS DIFFERENCES REMARK 3 BETWEEN THE CALCULATED STRUCTURES). THE STRUCTURES ARE REMARK 3 BASED ON 854 INTERPROTON DISTANCE RESTRAINTS DERIVED FROM REMARK 3 NOE MEASUREMENTS; 60 HYDROGEN-BONDING DISTANCE RESTRAINTS REMARK 3 FOR 30 HYDROGEN-BONDS IDENTIFIED ON THE BASIS OF THE NOE REMARK 3 AND AMIDE PROTON EXCHANGE DATA, AS WELL AS THE INITIAL REMARK 3 STRUCTURE CALCULATIONS; AND 54 PHI AND 51 PSI BACKBONE REMARK 3 TORSION ANGLE RESTRAINTS AND 39 CHI1 SIDE CHAIN TORSION REMARK 3 ANGLE RESTRAINTS DERIVED FROM COUPLING CONSTANTS AND NOE REMARK 3 DATA. THE LATTER ARE OBTAINED USING THE CONFORMATIONAL REMARK 3 GRID SEARCH PROGRAM STEREOSEARCH [NILGES, M., CLORE, G.M. REMARK 3 & GRONENBORN, A.M. (1990) BIOPOLYMERS 29, 813-822. REMARK 3 THE METHOD USED TO DETERMINE THE STRUCTURES IS THE HYBRID REMARK 3 METRIC MATRIX DISTANCE GEOMETRY-DYNAMICAL SIMULATED REMARK 3 ANNEALING METHOD [NILGES, M., CLORE, G.M. & GRONENBORN, REMARK 3 A.M. FEBS LETT. 229, 317-324 (1988)]. REMARK 3 REMARK 3 A TOTAL OF 60 STRUCTURES WERE CALCULATED. THE COORDINATES REMARK 3 OF THE RESTRAINED MINIMIZED STRUCTURE ARE PRESENTED IN REMARK 3 PROTEIN DATA BANK ENTRY 2GB1. THIS WAS OBTAINED BY REMARK 3 AVERAGING THE COORDINATES OF THE INDIVIDUAL STRUCTURES AND REMARK 3 SUBJECTING THE RESULTING COORDINATES TO RESTRAINED REMARK 3 MINIMIZATION. THE 60 STRUCTURES ARE PRESENTED IN PROTEIN REMARK 3 DATA BANK ENTRY 1GB1. REMARK 3 REMARK 3 THE QUANTITY PRESENTED IN THE B VALUE FIELD (COLUMNS 61 - REMARK 3 66 OF THE ATOM AND HETATM RECORDS BELOW) REPRESENTS THE REMARK 3 ATOMIC RMS DEVIATION OF THE INDIVIDUAL STRUCTURES ABOUT THE REMARK 3 MEAN COORDINATE POSITIONS. REMARK 3 REMARK 3 ALL THE INTERPROTON DISTANCE AND TORSION ANGLE RESTRAINTS REMARK 3 ARE AVAILABLE FROM THE PROTEIN DATA BANK AS A SEPARATE REMARK 3 ENTRY. REMARK 4 REMARK 4 1GB1 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000173488. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : NULL REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 60 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL 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 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: 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 2 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 3 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 10 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 11 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 13 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 15 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 17 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 18 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 19 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 20 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 23 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 29 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 34 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 35 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 41 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 42 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 43 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 44 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 46 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 47 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 49 TRP A 43 CG TRP A 43 CD2 -0.102 REMARK 500 54 TRP A 43 CG TRP A 43 CD2 -0.103 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 1 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.3 DEGREES REMARK 500 1 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 1 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.6 DEGREES REMARK 500 1 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 2 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.3 DEGREES REMARK 500 2 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 2 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.6 DEGREES REMARK 500 2 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 3 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.3 DEGREES REMARK 500 3 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 3 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.7 DEGREES REMARK 500 3 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 4 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.3 DEGREES REMARK 500 4 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 4 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.6 DEGREES REMARK 500 4 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 5 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.2 DEGREES REMARK 500 5 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 5 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.5 DEGREES REMARK 500 5 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 6 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.2 DEGREES REMARK 500 6 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 6 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.6 DEGREES REMARK 500 6 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 7 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.2 DEGREES REMARK 500 7 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.5 DEGREES REMARK 500 7 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 8 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.3 DEGREES REMARK 500 8 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 8 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.8 DEGREES REMARK 500 8 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 9 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.2 DEGREES REMARK 500 9 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 9 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.6 DEGREES REMARK 500 9 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 10 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.3 DEGREES REMARK 500 10 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 10 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.5 DEGREES REMARK 500 10 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 11 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.3 DEGREES REMARK 500 11 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 11 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.5 DEGREES REMARK 500 11 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 12 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.3 DEGREES REMARK 500 12 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 12 TRP A 43 NE1 - CE2 - CZ2 ANGL. DEV. = 8.5 DEGREES REMARK 500 12 TRP A 43 NE1 - CE2 - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 13 TRP A 43 CD1 - CG - CD2 ANGL. DEV. = 4.8 DEGREES REMARK 500 13 TRP A 43 CG - CD1 - NE1 ANGL. DEV. = -6.4 DEGREES REMARK 500 13 TRP A 43 CD1 - NE1 - CE2 ANGL. DEV. = 5.5 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 241 ANGLE DEVIATIONS. 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 GLU A 15 131.15 -176.17 REMARK 500 1 ASP A 46 73.79 -106.51 REMARK 500 1 ASP A 47 4.98 -65.89 REMARK 500 1 THR A 49 16.91 -145.55 REMARK 500 2 ASN A 8 42.20 -104.92 REMARK 500 2 GLU A 15 133.60 -175.45 REMARK 500 2 ASP A 36 2.40 -68.56 REMARK 500 2 ASP A 46 73.33 -104.22 REMARK 500 2 ASP A 47 5.02 -65.03 REMARK 500 2 THR A 49 18.22 -149.40 REMARK 500 3 ASN A 8 40.32 -105.68 REMARK 500 3 GLU A 15 130.33 -175.52 REMARK 500 4 GLU A 15 140.36 -175.33 REMARK 500 4 ASN A 37 -30.54 -135.80 REMARK 500 4 ASP A 46 73.94 -105.71 REMARK 500 4 ASP A 47 5.22 -66.03 REMARK 500 4 THR A 49 15.88 -144.44 REMARK 500 5 GLU A 15 134.05 -173.43 REMARK 500 5 ASN A 37 -53.88 -129.88 REMARK 500 5 VAL A 39 67.46 -107.27 REMARK 500 5 ASP A 46 74.34 -106.39 REMARK 500 5 ASP A 47 5.25 -65.40 REMARK 500 6 GLU A 15 131.52 -175.65 REMARK 500 6 ASP A 36 7.98 -68.30 REMARK 500 6 ASN A 37 -47.42 -131.50 REMARK 500 6 ASP A 46 75.87 -109.21 REMARK 500 6 THR A 49 21.89 -146.07 REMARK 500 7 GLU A 15 125.39 -175.75 REMARK 500 7 ASP A 36 8.97 -69.77 REMARK 500 7 ASN A 37 -30.77 -135.55 REMARK 500 7 ASP A 46 72.37 -108.56 REMARK 500 7 ASP A 47 3.58 -64.88 REMARK 500 7 THR A 49 17.36 -146.98 REMARK 500 8 GLU A 15 143.88 -175.13 REMARK 500 8 ASP A 36 20.28 -78.20 REMARK 500 8 ASN A 37 -42.05 -140.16 REMARK 500 8 ASP A 46 75.30 -109.49 REMARK 500 8 ASP A 47 5.53 -66.35 REMARK 500 9 GLU A 15 143.83 -175.97 REMARK 500 9 ASP A 36 -9.81 -57.15 REMARK 500 9 ASP A 46 69.39 -104.90 REMARK 500 9 THR A 49 17.54 -152.02 REMARK 500 10 GLU A 15 131.65 -175.03 REMARK 500 10 ASN A 37 -45.35 -140.00 REMARK 500 10 ASP A 47 0.87 -68.66 REMARK 500 10 THR A 49 22.39 -150.73 REMARK 500 11 GLU A 15 129.76 -175.82 REMARK 500 11 ASN A 37 -28.13 -140.18 REMARK 500 11 ASP A 46 79.29 -107.34 REMARK 500 11 ASP A 47 5.10 -68.53 REMARK 500 REMARK 500 THIS ENTRY HAS 241 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2GB1 RELATED DB: PDB DBREF 1GB1 A 2 56 UNP P06654 SPG1_STRSG 228 282 SEQRES 1 A 56 MET THR TYR LYS LEU ILE LEU ASN GLY LYS THR LEU LYS SEQRES 2 A 56 GLY GLU THR THR THR GLU ALA VAL ASP ALA ALA THR ALA SEQRES 3 A 56 GLU LYS VAL PHE LYS GLN TYR ALA ASN ASP ASN GLY VAL SEQRES 4 A 56 ASP GLY GLU TRP THR TYR ASP ASP ALA THR LYS THR PHE SEQRES 5 A 56 THR VAL THR GLU HELIX 1 1 ASP A 22 ASP A 36 1 15 SHEET 1 A 2 THR A 2 LYS A 4 0 SHEET 2 A 2 THR A 17 GLU A 19 -1 N THR A 18 O TYR A 3 SHEET 1 B 2 LEU A 7 ASN A 8 0 SHEET 2 B 2 LYS A 13 GLY A 14 -1 O GLY A 14 N LEU A 7 SHEET 1 C 2 GLU A 42 ASP A 46 0 SHEET 2 C 2 THR A 51 THR A 55 -1 N THR A 51 O ASP A 46 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