HEADER HYDROLASE 17-APR-06 2GP9 TITLE CRYSTAL STRUCTURE OF THE SLOW FORM OF THROMBIN IN A SELF-INHIBITED TITLE 2 CONFORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTHROMBIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: THROMBIN LIGHT CHAIN; COMPND 5 SYNONYM: COAGULATION FACTOR II; COMPND 6 EC: 3.4.21.5; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: PROTHROMBIN; COMPND 10 CHAIN: B; COMPND 11 FRAGMENT: THROMBIN HEAVY CHAIN; COMPND 12 SYNONYM: COAGULATION FACTOR II; COMPND 13 EC: 3.4.21.5; COMPND 14 ENGINEERED: YES; COMPND 15 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: F2; SOURCE 6 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 GENE: F2; SOURCE 14 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 15 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 10029 KEYWDS SERINE PROTEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.PINEDA,Z.CHEN,F.S.MATHEWS,E.DI CERA REVDAT 6 16-OCT-24 2GP9 1 REMARK REVDAT 5 30-AUG-23 2GP9 1 REMARK REVDAT 4 20-OCT-21 2GP9 1 REMARK SEQADV REVDAT 3 24-FEB-09 2GP9 1 VERSN REVDAT 2 08-JUL-08 2GP9 1 JRNL REVDAT 1 12-SEP-06 2GP9 0 JRNL AUTH A.O.PINEDA,Z.W.CHEN,A.BAH,L.C.GARVEY,F.S.MATHEWS,E.DI CERA JRNL TITL CRYSTAL STRUCTURE OF THROMBIN IN A SELF-INHIBITED JRNL TITL 2 CONFORMATION. JRNL REF J.BIOL.CHEM. V. 281 32922 2006 JRNL REFN ISSN 0021-9258 JRNL PMID 16954215 JRNL DOI 10.1074/JBC.M605530200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.O.PINEDA,C.J.CARRELL,L.A.BUSH,S.PRASAD,S.CACCIA,Z.CHEN, REMARK 1 AUTH 2 F.S.MATHEWS,E.DI CERA REMARK 1 TITL MOLECULAR DISSECTION OF NA+ BINDING TO THROMBIN. REMARK 1 REF J.BIOL.CHEM. V. 279 31842 2004 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 1.87 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.87 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.2 REMARK 3 NUMBER OF REFLECTIONS : 31621 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) : 0.195 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2193 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.87 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.99 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4343 REMARK 3 BIN R VALUE (WORKING SET) : 0.2778 REMARK 3 BIN FREE R VALUE : 0.2773 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 335 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 : 2253 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 150 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.90 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.20 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.19 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.870 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2GP9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-APR-06. REMARK 100 THE DEPOSITION ID IS D_1000037390. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-AUG-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 8-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : APS BEAMLINE 8BM REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32293 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.870 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 7.200 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 31.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.87 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.60 REMARK 200 R MERGE FOR SHELL (I) : 0.34300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1SHH REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.52 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG 20000, 0.1M HEPES, PH 7.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 296K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 59.96850 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 89.95275 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 29.98425 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS HETERODIMER. 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: 2560 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 THR A -2 REMARK 465 PHE A -1 REMARK 465 GLY A 0 REMARK 465 ARG A 15 REMARK 465 LYS B 144A REMARK 465 GLU B 144B REMARK 465 THR B 144C REMARK 465 TRP B 144D REMARK 465 THR B 144E REMARK 465 ALA B 144F REMARK 465 ASN B 144G REMARK 465 VAL B 144H REMARK 465 GLY B 144I REMARK 465 LYS B 144J REMARK 465 GLY B 246 REMARK 465 GLU B 247 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 ASN B 143 N - CA - C ANGL. DEV. = -27.1 DEGREES REMARK 500 CYS B 168 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 CYS B 182 CA - CB - SG ANGL. DEV. = 9.7 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 GLU A 1C -42.98 -24.11 REMARK 500 PHE A 7 -87.21 -133.29 REMARK 500 ILE A 14K -110.18 -84.01 REMARK 500 ASP A 14L 143.30 -29.38 REMARK 500 TYR B 60A 85.43 -152.65 REMARK 500 ASN B 60G 72.17 -159.57 REMARK 500 GLU B 97A -84.22 -115.02 REMARK 500 ASN B 143 60.56 -176.68 REMARK 500 GLN B 151 -167.84 -117.00 REMARK 500 SER B 153 -64.02 -108.20 REMARK 500 GLU B 186B 91.57 70.27 REMARK 500 ARG B 187 33.97 -164.36 REMARK 500 SER B 214 -151.78 -92.78 REMARK 500 ASP B 222 64.87 33.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE B 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SHH RELATED DB: PDB REMARK 900 MOLECULAR DISSECTION OF NA+ BINDING TO THROMBIN DBREF 2GP9 A -2 14M UNP P00734 THRB_HUMAN 328 363 DBREF 2GP9 B 16 245 UNP P00734 THRB_HUMAN 364 622 SEQADV 2GP9 ASN B 102 UNP P00734 ASP 462 ENGINEERED MUTATION SEQRES 1 A 36 THR PHE GLY SER GLY GLU ALA ASP CYS GLY LEU ARG PRO SEQRES 2 A 36 LEU PHE GLU LYS LYS SER LEU GLU ASP LYS THR GLU ARG SEQRES 3 A 36 GLU LEU LEU GLU SER TYR ILE ASP GLY ARG SEQRES 1 B 259 ILE VAL GLU GLY SER ASP ALA GLU ILE GLY MET SER PRO SEQRES 2 B 259 TRP GLN VAL MET LEU PHE ARG LYS SER PRO GLN GLU LEU SEQRES 3 B 259 LEU CYS GLY ALA SER LEU ILE SER ASP ARG TRP VAL LEU SEQRES 4 B 259 THR ALA ALA HIS CYS LEU LEU TYR PRO PRO TRP ASP LYS SEQRES 5 B 259 ASN PHE THR GLU ASN ASP LEU LEU VAL ARG ILE GLY LYS SEQRES 6 B 259 HIS SER ARG THR ARG TYR GLU ARG ASN ILE GLU LYS ILE SEQRES 7 B 259 SER MET LEU GLU LYS ILE TYR ILE HIS PRO ARG TYR ASN SEQRES 8 B 259 TRP ARG GLU ASN LEU ASP ARG ASN ILE ALA LEU MET LYS SEQRES 9 B 259 LEU LYS LYS PRO VAL ALA PHE SER ASP TYR ILE HIS PRO SEQRES 10 B 259 VAL CYS LEU PRO ASP ARG GLU THR ALA ALA SER LEU LEU SEQRES 11 B 259 GLN ALA GLY TYR LYS GLY ARG VAL THR GLY TRP GLY ASN SEQRES 12 B 259 LEU LYS GLU THR TRP THR ALA ASN VAL GLY LYS GLY GLN SEQRES 13 B 259 PRO SER VAL LEU GLN VAL VAL ASN LEU PRO ILE VAL GLU SEQRES 14 B 259 ARG PRO VAL CYS LYS ASP SER THR ARG ILE ARG ILE THR SEQRES 15 B 259 ASP ASN MET PHE CYS ALA GLY TYR LYS PRO ASP GLU GLY SEQRES 16 B 259 LYS ARG GLY ASP ALA CYS GLU GLY ASP SER GLY GLY PRO SEQRES 17 B 259 PHE VAL MET LYS SER PRO PHE ASN ASN ARG TRP TYR GLN SEQRES 18 B 259 MET GLY ILE VAL SER TRP GLY GLU GLY CYS ASP ARG ASP SEQRES 19 B 259 GLY LYS TYR GLY PHE TYR THR HIS VAL PHE ARG LEU LYS SEQRES 20 B 259 LYS TRP ILE GLN LYS VAL ILE ASP GLN PHE GLY GLU HET EPE B 301 15 HETNAM EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID HETSYN EPE HEPES FORMUL 3 EPE C8 H18 N2 O4 S FORMUL 4 HOH *150(H2 O) HELIX 1 1 PHE A 7 SER A 11 5 5 HELIX 2 2 THR A 14B TYR A 14J 1 9 HELIX 3 3 ALA B 55 CYS B 58 5 4 HELIX 4 4 PRO B 60B ASP B 60E 5 4 HELIX 5 5 THR B 60I ASN B 62 5 3 HELIX 6 6 ASP B 125 LEU B 130 1 9 HELIX 7 7 GLU B 164 THR B 172 1 9 HELIX 8 8 CYS B 191 SER B 195 5 5 HELIX 9 9 LEU B 234 PHE B 245 1 12 SHEET 1 A 7 SER B 20 ASP B 21 0 SHEET 2 A 7 GLN B 156 PRO B 161 -1 O VAL B 157 N SER B 20 SHEET 3 A 7 LYS B 135 GLY B 140 -1 N GLY B 140 O GLN B 156 SHEET 4 A 7 PRO B 198 LYS B 202 -1 O VAL B 200 N ARG B 137 SHEET 5 A 7 TRP B 207 VAL B 213 -1 O TYR B 208 N MET B 201 SHEET 6 A 7 GLY B 226 HIS B 230 -1 O THR B 229 N ILE B 212 SHEET 7 A 7 MET B 180 ALA B 183 -1 N PHE B 181 O TYR B 228 SHEET 1 B 7 GLN B 30 ARG B 35 0 SHEET 2 B 7 GLU B 39 LEU B 46 -1 O LEU B 41 N LEU B 33 SHEET 3 B 7 TRP B 51 THR B 54 -1 O LEU B 53 N SER B 45 SHEET 4 B 7 ALA B 104 LEU B 108 -1 O MET B 106 N VAL B 52 SHEET 5 B 7 LYS B 81 ILE B 90 -1 N GLU B 86 O LYS B 107 SHEET 6 B 7 LEU B 64 ILE B 68 -1 N ILE B 68 O LYS B 81 SHEET 7 B 7 GLN B 30 ARG B 35 -1 N PHE B 34 O LEU B 65 SHEET 1 C 2 LEU B 60 TYR B 60A 0 SHEET 2 C 2 LYS B 60F ASN B 60G-1 O LYS B 60F N TYR B 60A SSBOND 1 CYS A 1 CYS B 122 1555 1555 2.04 SSBOND 2 CYS B 42 CYS B 58 1555 1555 2.04 SSBOND 3 CYS B 168 CYS B 182 1555 1555 2.03 SSBOND 4 CYS B 191 CYS B 220 1555 1555 2.04 CISPEP 1 SER B 36A PRO B 37 0 -0.25 SITE 1 AC1 11 PRO B 60C TRP B 60D ASP B 60E HIS B 91 SITE 2 AC1 11 ARG B 93 ARG B 101 ASN B 179 ARG B 233 SITE 3 AC1 11 LEU B 234 LYS B 236 LYS B 240 CRYST1 57.892 57.892 119.937 90.00 90.00 90.00 P 43 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 0.017274 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017274 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008338 0.00000 CONECT 38 1240 CONECT 473 591 CONECT 591 473 CONECT 1240 38 CONECT 1575 1697 CONECT 1576 1698 CONECT 1697 1575 CONECT 1698 1576 CONECT 1799 2032 CONECT 2032 1799 CONECT 2268 2269 2273 2277 CONECT 2269 2268 2270 CONECT 2270 2269 2271 CONECT 2271 2270 2272 2274 CONECT 2272 2271 2273 CONECT 2273 2268 2272 CONECT 2274 2271 2275 CONECT 2275 2274 2276 CONECT 2276 2275 CONECT 2277 2268 2278 CONECT 2278 2277 2279 CONECT 2279 2278 2280 2281 2282 CONECT 2280 2279 CONECT 2281 2279 CONECT 2282 2279 MASTER 305 0 1 9 16 0 3 6 2418 2 25 23 END