PDB Short entry for 3TGJ HEADER COMPLEX (SERINE PROTEASE/INHIBITOR) 16-JUL-98 3TGJ TITLE S195A TRYPSINOGEN COMPLEXED WITH BOVINE PANCREATIC TRYPSIN INHIBITOR TITLE 2 (BPTI) COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN; COMPND 3 CHAIN: E; COMPND 4 EC: 3.4.21.4; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: BOVINE PANCREATIC TRYPSIN INHIBITOR; COMPND 9 CHAIN: I; COMPND 10 SYNONYM: BPTI SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 ORGAN: PANCREATIC; SOURCE 6 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 7 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 11 ORGANISM_COMMON: CATTLE; SOURCE 12 ORGANISM_TAXID: 9913 KEYWDS COMPLEX (SERINE PROTEASE-INHIBITOR), COMPLEX (SERINE PROTEASE- KEYWDS 2 INHIBITOR) COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.PASTERNAK,D.RINGE,L.HEDSTROM REVDAT 3 03-NOV-21 3TGJ 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 3TGJ 1 VERSN REVDAT 1 23-DEC-98 3TGJ 0 JRNL AUTH A.PASTERNAK,D.RINGE,L.HEDSTROM JRNL TITL COMPARISON OF ANIONIC AND CATIONIC TRYPSINOGENS: THE ANIONIC JRNL TITL 2 ACTIVATION DOMAIN IS MORE FLEXIBLE IN SOLUTION AND DIFFERS JRNL TITL 3 IN ITS MODE OF BPTI BINDING IN THE CRYSTAL STRUCTURE JRNL REF PROTEIN SCI. V. 8 253 1999 JRNL REFN ISSN 0961-8368 JRNL PMID 10210204 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 14929 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.30 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1494 REMARK 3 BIN R VALUE (WORKING SET) : 0.2670 REMARK 3 BIN FREE R VALUE : 0.3250 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 178 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2038 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 106 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.340 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.690 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CA.PAR REMARK 3 PARAMETER FILE 3 : SO4.PAR REMARK 3 PARAMETER FILE 4 : WATER.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : CA.TOP REMARK 3 TOPOLOGY FILE 3 : SO4.TOP REMARK 3 TOPOLOGY FILE 4 : WATER.TOPH REMARK 3 TOPOLOGY FILE 5 : TOPH19.PEP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3TGJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000179164. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 277 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15555 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.40500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.61 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 24% PEG 4000 0.2 M LISO4 0.1 M TRIS PH REMARK 280 8.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.57333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 20.78667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 20.78667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 41.57333 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11590 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -46.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, I 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 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 GLU E 6 REMARK 465 ALA E 7 REMARK 465 PHE E 8 REMARK 465 PRO E 9 REMARK 465 VAL E 10 REMARK 465 ASP E 11 REMARK 465 ASP E 12 REMARK 465 ASP E 13 REMARK 465 ASP E 14 REMARK 465 ASN E 143 REMARK 465 THR E 144 REMARK 465 LEU E 145 REMARK 465 SER E 146 REMARK 465 SER E 147 REMARK 465 GLY E 148 REMARK 465 VAL E 149 REMARK 465 ASN E 150 REMARK 465 GLU E 151 REMARK 465 GLY I 57 REMARK 465 ALA I 58 REMARK 465 ILE I 59 REMARK 465 GLY I 60 REMARK 465 PRO I 61 REMARK 465 TRP I 62 REMARK 465 GLU I 63 REMARK 465 ASN I 64 REMARK 465 LEU I 65 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS E 15 CG CD CE NZ REMARK 470 ARG E 117 CG CD NE CZ NH1 NH2 REMARK 470 ASP E 178 CG OD1 OD2 REMARK 470 GLU I 49 CG CD OE1 OE2 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 SER E 37 30.33 -140.41 REMARK 500 ASP E 49 -0.77 -58.61 REMARK 500 HIS E 71 -60.43 -135.14 REMARK 500 ASN E 115 -152.89 -152.80 REMARK 500 SER E 214 -74.50 -124.92 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 CA E 800 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU E 70 OE1 REMARK 620 2 ASN E 72 O 93.8 REMARK 620 3 VAL E 75 O 146.9 83.8 REMARK 620 4 GLU E 77 OE1 108.9 92.5 104.2 REMARK 620 5 GLU E 80 OE2 102.9 163.2 83.2 80.4 REMARK 620 6 HOH E 555 O 72.8 102.7 75.6 164.6 84.3 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE CATALYTIC TRIAD. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA E 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 I 990 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 I 991 DBREF 3TGJ E 7 245 UNP P00763 TRY2_RAT 15 246 DBREF 3TGJ I 1 65 UNP P00974 BPT1_BOVIN 36 100 SEQADV 3TGJ ALA E 195 UNP P00763 SER 200 ENGINEERED MUTATION SEQRES 1 E 233 GLU ALA PHE PRO VAL ASP ASP ASP ASP LYS ILE VAL GLY SEQRES 2 E 233 GLY TYR THR CYS GLN GLU ASN SER VAL PRO TYR GLN VAL SEQRES 3 E 233 SER LEU ASN SER GLY TYR HIS PHE CYS GLY GLY SER LEU SEQRES 4 E 233 ILE ASN ASP GLN TRP VAL VAL SER ALA ALA HIS CYS TYR SEQRES 5 E 233 LYS SER ARG ILE GLN VAL ARG LEU GLY GLU HIS ASN ILE SEQRES 6 E 233 ASN VAL LEU GLU GLY ASN GLU GLN PHE VAL ASN ALA ALA SEQRES 7 E 233 LYS ILE ILE LYS HIS PRO ASN PHE ASP ARG LYS THR LEU SEQRES 8 E 233 ASN ASN ASP ILE MET LEU ILE LYS LEU SER SER PRO VAL SEQRES 9 E 233 LYS LEU ASN ALA ARG VAL ALA THR VAL ALA LEU PRO SER SEQRES 10 E 233 SER CYS ALA PRO ALA GLY THR GLN CYS LEU ILE SER GLY SEQRES 11 E 233 TRP GLY ASN THR LEU SER SER GLY VAL ASN GLU PRO ASP SEQRES 12 E 233 LEU LEU GLN CYS LEU ASP ALA PRO LEU LEU PRO GLN ALA SEQRES 13 E 233 ASP CYS GLU ALA SER TYR PRO GLY LYS ILE THR ASP ASN SEQRES 14 E 233 MET VAL CYS VAL GLY PHE LEU GLU GLY GLY LYS ASP SER SEQRES 15 E 233 CYS GLN GLY ASP ALA GLY GLY PRO VAL VAL CYS ASN GLY SEQRES 16 E 233 GLU LEU GLN GLY ILE VAL SER TRP GLY TYR GLY CYS ALA SEQRES 17 E 233 LEU PRO ASP ASN PRO GLY VAL TYR THR LYS VAL CYS ASN SEQRES 18 E 233 TYR VAL ASP TRP ILE GLN ASP THR ILE ALA ALA ASN SEQRES 1 I 65 ARG PRO ASP PHE CYS LEU GLU PRO PRO TYR THR GLY PRO SEQRES 2 I 65 CYS LYS ALA ARG ILE ILE ARG TYR PHE TYR ASN ALA LYS SEQRES 3 I 65 ALA GLY LEU CYS GLN THR PHE VAL TYR GLY GLY CYS ARG SEQRES 4 I 65 ALA LYS ARG ASN ASN PHE LYS SER ALA GLU ASP CYS MET SEQRES 5 I 65 ARG THR CYS GLY GLY ALA ILE GLY PRO TRP GLU ASN LEU HET CA E 800 1 HET SO4 I 990 5 HET SO4 I 991 5 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 3 CA CA 2+ FORMUL 4 SO4 2(O4 S 2-) FORMUL 6 HOH *106(H2 O) HELIX 1 1 ALA E 56 CYS E 58 5 3 HELIX 2 2 GLN E 165 SER E 171 1 7 HELIX 3 3 VAL E 231 ALA E 243 5 13 HELIX 4 4 ASP I 3 CYS I 5 5 3 HELIX 5 5 ALA I 48 THR I 54 1 7 SHEET 1 A 7 GLN E 81 ASN E 84 0 SHEET 2 A 7 GLN E 64 LEU E 68 -1 N LEU E 68 O GLN E 81 SHEET 3 A 7 GLN E 30 ASN E 34 -1 N ASN E 34 O GLN E 64 SHEET 4 A 7 HIS E 40 ASN E 48 -1 N GLY E 44 O VAL E 31 SHEET 5 A 7 TRP E 51 SER E 54 -1 N VAL E 53 O SER E 45 SHEET 6 A 7 MET E 104 LEU E 108 -1 N ILE E 106 O VAL E 52 SHEET 7 A 7 ALA E 85 LYS E 90 -1 N ILE E 89 O LEU E 105 SHEET 1 B 2 GLN E 135 GLY E 140 0 SHEET 2 B 2 GLN E 156 PRO E 161 -1 N ALA E 160 O CYS E 136 SHEET 1 C 4 MET E 180 VAL E 183 0 SHEET 2 C 4 GLY E 226 LYS E 230 -1 N TYR E 228 O VAL E 181 SHEET 3 C 4 GLU E 204 TRP E 215 -1 N TRP E 215 O VAL E 227 SHEET 4 C 4 PRO E 198 CYS E 201 -1 N CYS E 201 O GLU E 204 SHEET 1 D 2 ILE I 18 ASN I 24 0 SHEET 2 D 2 LEU I 29 TYR I 35 -1 N TYR I 35 O ILE I 18 SSBOND 1 CYS E 22 CYS E 157 1555 1555 2.03 SSBOND 2 CYS E 42 CYS E 58 1555 1555 2.02 SSBOND 3 CYS E 128 CYS E 232 1555 1555 2.02 SSBOND 4 CYS E 136 CYS E 201 1555 1555 2.02 SSBOND 5 CYS E 168 CYS E 182 1555 1555 2.03 SSBOND 6 CYS E 191 CYS E 220 1555 1555 2.03 SSBOND 7 CYS I 5 CYS I 55 1555 1555 2.03 SSBOND 8 CYS I 14 CYS I 38 1555 1555 2.03 SSBOND 9 CYS I 30 CYS I 51 1555 1555 2.02 LINK OE1 GLU E 70 CA CA E 800 1555 1555 2.34 LINK O ASN E 72 CA CA E 800 1555 1555 2.37 LINK O VAL E 75 CA CA E 800 1555 1555 2.23 LINK OE1 GLU E 77 CA CA E 800 1555 1555 2.45 LINK OE2 GLU E 80 CA CA E 800 1555 1555 2.27 LINK O HOH E 555 CA CA E 800 1555 1555 2.78 SITE 1 CAT 3 HIS E 57 ASP E 102 ALA E 195 SITE 1 AC1 6 GLU E 70 ASN E 72 VAL E 75 GLU E 77 SITE 2 AC1 6 GLU E 80 HOH E 555 SITE 1 AC2 3 PHE I 4 LYS I 41 ARG I 42 SITE 1 AC3 2 ARG I 20 TYR I 35 CRYST1 92.660 92.660 62.360 90.00 90.00 120.00 P 32 2 1 6 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 0.010792 0.006231 0.000000 0.00000 SCALE2 0.000000 0.012462 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016036 0.00000