HEADER SERINE PROTEASE 10-JUN-98 1BHX TITLE X-RAY STRUCTURE OF THE COMPLEX OF HUMAN ALPHA THROMBIN WITH THE TITLE 2 INHIBITOR SDZ 229-357 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA THROMBIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.5; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: ALPHA THROMBIN; COMPND 7 CHAIN: B; COMPND 8 EC: 3.4.21.5; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: ALPHA THROMBIN; COMPND 11 CHAIN: F; COMPND 12 EC: 3.4.21.5; COMPND 13 MOL_ID: 4; COMPND 14 MOLECULE: ALPHA THROMBIN; COMPND 15 CHAIN: E; COMPND 16 EC: 3.4.21.5 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 MOL_ID: 4; SOURCE 14 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 15 ORGANISM_COMMON: HUMAN; SOURCE 16 ORGANISM_TAXID: 9606 KEYWDS SERINE PROTEASE EXPDTA X-RAY DIFFRACTION AUTHOR J.KALLEN REVDAT 6 02-AUG-23 1BHX 1 REMARK REVDAT 5 18-APR-18 1BHX 1 REMARK REVDAT 4 16-NOV-11 1BHX 1 VERSN HETATM REVDAT 3 24-FEB-09 1BHX 1 VERSN REVDAT 2 06-JAN-99 1BHX 1 COMPND REMARK DBREF FORMUL REVDAT 2 2 1 JRNL KEYWDS HEADER HETNAM REVDAT 1 04-NOV-98 1BHX 0 JRNL AUTH J.WAGNER,J.KALLEN,C.EHRHARDT,J.P.EVENOU,D.WAGNER JRNL TITL RATIONAL DESIGN, SYNTHESIS, AND X-RAY STRUCTURE OF SELECTIVE JRNL TITL 2 NONCOVALENT THROMBIN INHIBITORS. JRNL REF J.MED.CHEM. V. 41 3664 1998 JRNL REFN ISSN 0022-2623 JRNL PMID 9733491 JRNL DOI 10.1021/JM981013E REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0001 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.9 REMARK 3 NUMBER OF REFLECTIONS : 15004 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : A POSTERIORI REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.187 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1517 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.44 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2235 REMARK 3 BIN R VALUE (WORKING SET) : 0.2830 REMARK 3 BIN FREE R VALUE : 0.3450 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 242 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2328 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 201 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.34 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) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 2.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.370 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) : 2.810 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.240 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.500 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.280 ; 2.500 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : 229357.PRM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.PEP REMARK 3 TOPOLOGY FILE 3 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BHX 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_1000171777. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAR-96 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 7.3 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 : ENRAF-NONIUS FR571 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : ENRAF-NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROCOR, AGROVATA, MADNES REMARK 200 DATA SCALING SOFTWARE : PROCOR, AGROVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15423 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10400 REMARK 200 FOR THE DATA SET : 7.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.43200 REMARK 200 FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1HAI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.3 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 35.50000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.10000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 35.50000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 36.10000 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, F, E 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH B 149 LIES ON A SPECIAL POSITION. REMARK 375 HOH E 1 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 THROMBIN IS CLEAVED BETWEEN RESIDUES 15 AND 16. REMARK 400 CHAIN-ID A IS USED FOR THROMBIN RESIDUES 1E - 14K REMARK 400 CHAIN-ID B IS USED FOR THROMBIN RESIDUES 16 - 147 REMARK 400 CHAIN-ID C IS USED FOR THROMBIN RESIDUES 150 - 247 REMARK 400 CHAIN-ID E IS USED FOR HIRUDIN FRAGMENT RESIDUES 55 - 59 REMARK 400 CHAIN-ID W IS USED FOR WATER MOLECULES REMARK 400 CHAIN-ID L IS USED FOR INHIBITOR REMARK 400 WATERS W1 AND W4 ARE IN SPECIAL POSITIONS. 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 SER B 27 N - CA - CB ANGL. DEV. = -9.2 DEGREES REMARK 500 ARG B 101 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ASP F 189 CB - CG - OD1 ANGL. DEV. = 5.5 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 PHE A 7 -78.22 -134.56 REMARK 500 SER B 36A 119.69 -167.21 REMARK 500 ALA B 44 -179.18 -171.53 REMARK 500 TYR B 60A 79.38 -155.40 REMARK 500 ASN B 60G 84.13 -168.46 REMARK 500 HIS B 71 -56.23 -130.72 REMARK 500 ASN B 78 -0.68 63.76 REMARK 500 SER F 214 -84.48 -107.79 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 R56 F 1 DBREF 1BHX A 1 14 UNP P00734 THRB_HUMAN 331 360 DBREF 1BHX B 16 147 UNP P00734 THRB_HUMAN 364 510 DBREF 1BHX F 150 247 UNP P00734 THRB_HUMAN 518 622 DBREF 1BHX E 55 59 PDB 1BHX 1BHX 55 59 SEQRES 1 A 30 SER GLY GLU ALA ASP CYS GLY LEU ARG PRO LEU PHE GLU SEQRES 2 A 30 LYS LYS SER LEU GLU ASP LYS THR GLU ARG GLU LEU LEU SEQRES 3 A 30 GLU SER TYR ILE SEQRES 1 B 147 ILE VAL GLU GLY SER ASP ALA GLU ILE GLY MET SER PRO SEQRES 2 B 147 TRP GLN VAL MET LEU PHE ARG LYS SER PRO GLN GLU LEU SEQRES 3 B 147 LEU CYS GLY ALA SER LEU ILE SER ASP ARG TRP VAL LEU SEQRES 4 B 147 THR ALA ALA HIS CYS LEU LEU TYR PRO PRO TRP ASP LYS SEQRES 5 B 147 ASN PHE THR GLU ASN ASP LEU LEU VAL ARG ILE GLY LYS SEQRES 6 B 147 HIS SER ARG THR ARG TYR GLU ARG ASN ILE GLU LYS ILE SEQRES 7 B 147 SER MET LEU GLU LYS ILE TYR ILE HIS PRO ARG TYR ASN SEQRES 8 B 147 TRP ARG GLU ASN LEU ASP ARG ASP ILE ALA LEU MET LYS SEQRES 9 B 147 LEU LYS LYS PRO VAL ALA PHE SER ASP TYR ILE HIS PRO SEQRES 10 B 147 VAL CYS LEU PRO ASP ARG GLU THR ALA ALA SER LEU LEU SEQRES 11 B 147 GLN ALA GLY TYR LYS GLY ARG VAL THR GLY TRP GLY ASN SEQRES 12 B 147 LEU LYS GLU THR SEQRES 1 F 105 GLY GLN PRO SER VAL LEU GLN VAL VAL ASN LEU PRO ILE SEQRES 2 F 105 VAL GLU ARG PRO VAL CYS LYS ASP SER THR ARG ILE ARG SEQRES 3 F 105 ILE THR ASP ASN MET PHE CYS ALA GLY TYR LYS PRO ASP SEQRES 4 F 105 GLU GLY LYS ARG GLY ASP ALA CYS GLU GLY ASP SER GLY SEQRES 5 F 105 GLY PRO PHE VAL MET LYS SER PRO PHE ASN ASN ARG TRP SEQRES 6 F 105 TYR GLN MET GLY ILE VAL SER TRP GLY GLU GLY CYS ASP SEQRES 7 F 105 ARG ASP GLY LYS TYR GLY PHE TYR THR HIS VAL PHE ARG SEQRES 8 F 105 LEU LYS LYS TRP ILE GLN LYS VAL ILE ASP GLN PHE GLY SEQRES 9 F 105 GLU SEQRES 1 E 5 ASP PHE GLU GLU ILE HET R56 F 1 31 HETNAM R56 5-OXO-6-PHENYLMETHANESULFONYLAMINO-HEXAHYDRO- HETNAM 2 R56 THIAZOLO[3,2-A]PYRIDINE-3-CARBOXYLIC ACID (3- HETNAM 3 R56 GUANIDINO-PROPYL)-AMIDE FORMUL 5 R56 C19 H28 N6 O4 S2 FORMUL 6 HOH *201(H2 O) HELIX 1 1 GLU A 8 LYS A 10 5 3 HELIX 2 2 GLU A 14C SER A 14I 1 7 HELIX 3 3 ALA B 56 CYS B 58 5 3 HELIX 4 4 PRO B 60B TRP B 60D 5 3 HELIX 5 5 GLU B 61 ASP B 63 5 3 HELIX 6 6 ARG B 126 LEU B 129C 1 7 HELIX 7 7 ARG F 165 SER F 171 1 7 HELIX 8 8 PRO F 186 GLU F 186B 5 3 HELIX 9 9 PHE F 232 PHE F 245 5 14 SHEET 1 A 4 LYS B 81 MET B 84 0 SHEET 2 A 4 LEU B 64 ILE B 68 -1 N ILE B 68 O LYS B 81 SHEET 3 A 4 GLN B 30 ARG B 35 -1 N PHE B 34 O LEU B 65 SHEET 4 A 4 GLU B 39 SER B 45 -1 N ALA B 44 O VAL B 31 SHEET 1 B 3 TRP B 51 THR B 54 0 SHEET 2 B 3 ALA B 104 LEU B 108 -1 N MET B 106 O VAL B 52 SHEET 3 B 3 LEU B 85 ILE B 90 -1 N TYR B 89 O LEU B 105 SHEET 1 C 4 MET F 180 ALA F 183 0 SHEET 2 C 4 GLY F 226 HIS F 230 -1 N TYR F 228 O PHE F 181 SHEET 3 C 4 TRP F 207 TRP F 215 -1 N TRP F 215 O PHE F 227 SHEET 4 C 4 PRO F 198 LYS F 202 -1 N MET F 201 O TYR F 208 SSBOND 1 CYS A 1 CYS B 122 1555 1555 2.02 SSBOND 2 CYS B 42 CYS B 58 1555 1555 2.03 SSBOND 3 CYS F 168 CYS F 182 1555 1555 2.02 SSBOND 4 CYS F 191 CYS F 220 1555 1555 2.03 CISPEP 1 SER B 36A PRO B 37 0 0.12 SITE 1 AC1 14 HIS B 57 TYR B 60A GLU B 97A ASP F 189 SITE 2 AC1 14 ALA F 190 CYS F 191 SER F 195 SER F 214 SITE 3 AC1 14 TRP F 215 GLY F 216 GLU F 217 GLY F 219 SITE 4 AC1 14 GLY F 226 HOH F 248 CRYST1 71.000 72.200 73.100 90.00 100.70 90.00 C 1 2 1 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 0.014085 0.000000 0.002661 0.00000 SCALE2 0.000000 0.013850 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013922 0.00000