HEADER HYDROLASE(SERINE PROTEINASE) 17-SEP-91 1GBT TITLE STRUCTURE OF AN ACYL-ENZYME INTERMEDIATE DURING CATALYSIS: TITLE 2 (GUANIDINOBENZOYL) TRYPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS HYDROLASE(SERINE PROTEINASE) EXPDTA X-RAY DIFFRACTION AUTHOR P.T.SINGER,R.M.SWEET REVDAT 2 24-FEB-09 1GBT 1 VERSN REVDAT 1 31-JAN-94 1GBT 0 JRNL AUTH W.F.MANGEL,P.T.SINGER,D.M.CYR,T.C.UMLAND, JRNL AUTH 2 D.L.TOLEDO,R.M.STROUD,J.W.PFLUGRATH,R.M.SWEET JRNL TITL STRUCTURE OF AN ACYL-ENZYME INTERMEDIATE DURING JRNL TITL 2 CATALYSIS: (GUANIDINOBENZOYL)TRYPSIN. JRNL REF BIOCHEMISTRY V. 29 8351 1990 JRNL REFN ISSN 0006-2960 JRNL PMID 2252895 JRNL DOI 10.1021/BI00488A022 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.162 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1629 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 117 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.018 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 3.600 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1GBT COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 31.87000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.46500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.77000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.46500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.87000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.77000 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 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: 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 70 CD GLU A 70 OE1 0.076 REMARK 500 SER A 195 CB SER A 195 OG 0.173 REMARK 500 PRO A 198 CD PRO A 198 N 0.085 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 CYS A 42 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 VAL A 53 CG1 - CB - CG2 ANGL. DEV. = -10.1 DEGREES REMARK 500 CYS A 58 CA - CB - SG ANGL. DEV. = -11.9 DEGREES REMARK 500 ARG A 65A NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ASP A 71 CB - CG - OD1 ANGL. DEV. = -6.1 DEGREES REMARK 500 ASN A 79 N - CA - CB ANGL. DEV. = 11.6 DEGREES REMARK 500 SER A 84 CB - CA - C ANGL. DEV. = -13.1 DEGREES REMARK 500 THR A 98 OG1 - CB - CG2 ANGL. DEV. = -17.3 DEGREES REMARK 500 ILE A 106 CA - CB - CG1 ANGL. DEV. = -11.9 DEGREES REMARK 500 ALA A 112 N - CA - CB ANGL. DEV. = -9.2 DEGREES REMARK 500 ARG A 117 NE - CZ - NH1 ANGL. DEV. = -3.5 DEGREES REMARK 500 THR A 125 CA - CB - CG2 ANGL. DEV. = -9.2 DEGREES REMARK 500 VAL A 154 CG1 - CB - CG2 ANGL. DEV. = 10.7 DEGREES REMARK 500 ASP A 165 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 LYS A 169 CA - CB - CG ANGL. DEV. = -14.9 DEGREES REMARK 500 GLU A 186 CB - CA - C ANGL. DEV. = -13.7 DEGREES REMARK 500 SER A 195 N - CA - CB ANGL. DEV. = 9.1 DEGREES REMARK 500 ALA A 221 CB - CA - C ANGL. DEV. = 10.8 DEGREES REMARK 500 GLN A 221A CB - CA - C ANGL. DEV. = -12.7 DEGREES REMARK 500 ASN A 233 CB - CA - C ANGL. DEV. = -12.7 DEGREES 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 ASP A 71 -85.85 -124.02 REMARK 500 ASN A 79 -13.58 88.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ASN A 233 10.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 356 DISTANCE = 7.09 ANGSTROMS REMARK 525 HOH A 363 DISTANCE = 7.09 ANGSTROMS REMARK 525 HOH A 902 DISTANCE = 5.73 ANGSTROMS REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 SO4 A 702 REMARK 610 SO4 A 703 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 CA A 701 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 88.7 REMARK 620 3 VAL A 75 O 172.2 91.3 REMARK 620 4 HOH A 275 O 85.6 105.4 86.9 REMARK 620 5 GLU A 80 OE2 101.5 158.6 81.1 94.1 REMARK 620 6 HOH A 274 O 81.8 80.3 105.9 166.1 82.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 701 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 702 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GBS A 704 DBREF 1GBT A 16 245 UNP P00760 TRY1_BOVIN 21 243 SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 A 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 A 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN HET CA A 701 1 HET SO4 A 702 1 HET SO4 A 703 1 HET GBS A 704 12 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION HETNAM GBS 4-GUANIDINOBENZOIC ACID FORMUL 2 CA CA 2+ FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 GBS C8 H9 N3 O2 FORMUL 6 HOH *117(H2 O) HELIX 1 H1 SER A 164 ILE A 176 1SNGL ALPHA TURN,REST IRREG. 13 HELIX 2 H2 LYS A 230 VAL A 235 5CONTIGUOUS WITH H3 6 HELIX 3 H3 SER A 236 ASN A 245 1CONTIGUOUS WITH H2 10 SHEET 1 A 7 TYR A 20 THR A 21 0 SHEET 2 A 7 LYS A 156 PRO A 161 -1 N CYS A 157 O TYR A 20 SHEET 3 A 7 GLN A 135 GLY A 140 -1 O CYS A 136 N ALA A 160 SHEET 4 A 7 PRO A 198 CYS A 201 -1 O PRO A 198 N SER A 139 SHEET 5 A 7 LYS A 204 GLY A 216 -1 O LYS A 204 N CYS A 201 SHEET 6 A 7 GLY A 226 LYS A 230 -1 N VAL A 227 O TRP A 215 SHEET 7 A 7 MET A 180 ALA A 183 -1 O PHE A 181 N TYR A 228 SHEET 1 B 7 GLN A 30 ASN A 34 0 SHEET 2 B 7 HIS A 40 ASN A 48 -1 N PHE A 41 O LEU A 33 SHEET 3 B 7 TRP A 51 SER A 54 -1 O TRP A 51 N ILE A 47 SHEET 4 B 7 MET A 104 LEU A 108 -1 N MET A 104 O SER A 54 SHEET 5 B 7 GLN A 81 VAL A 90 -1 N SER A 86 O LYS A 107 SHEET 6 B 7 GLN A 64 LEU A 66 -1 O VAL A 65 N ILE A 83 SHEET 7 B 7 GLN A 30 ASN A 34 -1 SSBOND 1 CYS A 22 CYS A 157 1555 1555 1.99 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.05 SSBOND 3 CYS A 128 CYS A 232 1555 1555 1.99 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.03 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.00 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.09 LINK OG SER A 195 CD GBS A 704 1555 1555 1.24 LINK CA CA A 701 OE1 GLU A 70 1555 1555 2.25 LINK CA CA A 701 O ASN A 72 1555 1555 2.07 LINK CA CA A 701 O VAL A 75 1555 1555 2.23 LINK CA CA A 701 O HOH A 275 1555 1555 2.29 LINK CA CA A 701 OE2 GLU A 80 1555 1555 2.39 LINK CA CA A 701 O HOH A 274 1555 1555 2.26 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC1 6 HOH A 274 HOH A 275 SITE 1 AC2 2 GLY A 174 HOH A 902 SITE 1 AC3 14 ASP A 189 SER A 190 CYS A 191 GLN A 192 SITE 2 AC3 14 GLY A 193 SER A 195 VAL A 213 SER A 214 SITE 3 AC3 14 TRP A 215 GLY A 216 GLY A 219 GLY A 226 SITE 4 AC3 14 HOH A 246 HOH A 340 CRYST1 63.740 63.540 68.930 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 0.015689 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015738 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014507 0.00000 MASTER 313 0 4 3 14 0 7 6 0 0 0 18 END