PDB Short entry for 1VPI HEADER NEUROTOXIN 17-DEC-96 1VPI TITLE PHOSPHOLIPASE A2 INHIBITOR FROM VIPOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2 INHIBITOR; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIPERA AMMODYTES; SOURCE 3 ORGANISM_COMMON: SAND VIPER; SOURCE 4 ORGANISM_TAXID: 8704; SOURCE 5 ORGAN: VENOM GLAND KEYWDS PHOSPHOLIPASE A2 INHIBITOR, RECOGNITION, MOLECULAR EVOLUTION, KEYWDS 2 NEUROTOXIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.D.DEVEDJIEV,A.N.POPOV REVDAT 6 09-AUG-23 1VPI 1 REMARK REVDAT 5 29-NOV-17 1VPI 1 HELIX REVDAT 4 16-NOV-11 1VPI 1 HETATM REVDAT 3 13-JUL-11 1VPI 1 VERSN REVDAT 2 24-FEB-09 1VPI 1 VERSN REVDAT 1 24-DEC-97 1VPI 0 JRNL AUTH Y.DEVEDJIEV,A.POPOV,B.ATANASOV,H.D.BARTUNIK JRNL TITL X-RAY STRUCTURE AT 1.76 A RESOLUTION OF A POLYPEPTIDE JRNL TITL 2 PHOSPHOLIPASE A2 INHIBITOR. JRNL REF J.MOL.BIOL. V. 266 160 1997 JRNL REFN ISSN 0022-2836 JRNL PMID 9054978 JRNL DOI 10.1006/JMBI.1996.0778 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Y.DEVEDJIEV,A.POPOV,H.-D.BARTUNIK,B.ATANASOV REMARK 1 TITL STRUCTURE AND MECHANISM OF PHOSPHOLIPASE A2 REMARK 1 REF EUR.CRYST.MEETING V. 15 484 1994 REMARK 1 REFN ISSN 0022-0248 REMARK 1 REFERENCE 2 REMARK 1 AUTH Y.DEVEDJIEV,B.ATANASOV,I.MANCHEVA,B.ALEKSIEV REMARK 1 TITL CRYSTALS OF PHOSPHOLIPASE A2 INHIBITOR. THE NON-TOXIC REMARK 1 TITL 2 COMPONENT OF VIPOXIN FROM THE VENOM OF BULGARIAN VIPER REMARK 1 TITL 3 (VIPERA AMMODYTES) REMARK 1 REF J.MOL.BIOL. V. 229 1147 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH Y.D.DEVEDJIEV,I.N.MANCHEVA,B.V.ALEKSIEV,B.P.ATANASOV REMARK 1 TITL SOLUBILITY AND PHASE STATES OF VIPOXIN FROM THE VENOM OF REMARK 1 TITL 2 BULGARIAN VIPER (VIPERA AMMODYTES AMMODYTES) REMARK 1 REF DOKL.BOLG.AKAD.NAUK V. 42 91 1989 REMARK 1 REFN ISSN 0366-8681 REMARK 2 REMARK 2 RESOLUTION. 1.76 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.76 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.500 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 9825 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.155 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 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 947 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 116 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.70 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) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.660 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.25 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.550 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1VPI 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_1000177088. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUN-93 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 8.3 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : OIIF, DUBNA, RUSSIA REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BLANC, IN-HOUSE SOFTWARE REMARK 200 DATA SCALING SOFTWARE : BLANC REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11854 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.760 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : 0.05800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.76 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 48.0 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1PP2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 52% REMARK 280 AMMONIUM SULFATE, 0.5% MPD, 100 MM TRIS, PH 8.3 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 26.20000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 34.45000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.45000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 39.30000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.45000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.45000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 13.10000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.45000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.45000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 39.30000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.45000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.45000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 13.10000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 26.20000 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 2870 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10950 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL 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 350 BIOMT1 2 0.000000 -1.000000 0.000000 68.90000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 68.90000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 26.20000 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 A 134 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 170 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 175 LIES ON A SPECIAL POSITION. 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 CYS A 133 C CYS A 133 OXT -0.224 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 ASN A 56 N - CA - C ANGL. DEV. = 16.4 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 SER A 21 -85.07 -140.18 REMARK 500 ASN A 56 -90.63 -98.61 REMARK 500 ASN A 79 -109.08 75.71 REMARK 500 CYS A 126 58.73 -118.58 REMARK 500 GLU A 128 156.26 -38.67 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 119 0.06 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: RS REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: RECOGNITION SITE. DBREF 1VPI A 1 133 UNP P04084 PA2I_VIPAE 1 122 SEQRES 1 A 122 ASN LEU PHE GLN PHE GLY ASP MET ILE LEU GLN LYS THR SEQRES 2 A 122 GLY LYS GLU ALA VAL HIS SER TYR ALA ILE TYR GLY CYS SEQRES 3 A 122 TYR CYS GLY TRP GLY GLY GLN GLY ARG ALA GLN ASP ALA SEQRES 4 A 122 THR ASP ARG CYS CYS PHE ALA GLN ASP CYS CYS TYR GLY SEQRES 5 A 122 ARG VAL ASN ASP CYS ASN PRO LYS THR ALA THR TYR THR SEQRES 6 A 122 TYR SER PHE GLU ASN GLY ASP ILE VAL CYS GLY ASP ASN SEQRES 7 A 122 ASP LEU CYS LEU ARG ALA VAL CYS GLU CYS ASP ARG ALA SEQRES 8 A 122 ALA ALA ILE CYS LEU GLY GLU ASN VAL ASN THR TYR ASP SEQRES 9 A 122 LYS ASN TYR GLU TYR TYR SER ILE SER HIS CYS THR GLU SEQRES 10 A 122 GLU SER GLU GLN CYS FORMUL 2 HOH *116(H2 O) HELIX 1 A LEU A 2 THR A 13 1 12 HELIX 2 B ALA A 40 GLY A 53 1 14 HELIX 3 C LEU A 90 ASN A 109 1 20 SHEET 1 A 2 TYR A 75 GLU A 78 0 SHEET 2 A 2 ASP A 81 CYS A 84 -1 N VAL A 83 O SER A 76 SSBOND 1 CYS A 27 CYS A 126 1555 1555 2.02 SSBOND 2 CYS A 29 CYS A 45 1555 1555 2.02 SSBOND 3 CYS A 44 CYS A 105 1555 1555 2.04 SSBOND 4 CYS A 50 CYS A 133 1555 1555 2.04 SSBOND 5 CYS A 51 CYS A 98 1555 1555 2.01 SSBOND 6 CYS A 61 CYS A 91 1555 1555 2.02 SSBOND 7 CYS A 84 CYS A 96 1555 1555 2.01 SITE 1 RS 3 PHE A 3 TRP A 31 TYR A 119 CRYST1 68.900 68.900 52.400 90.00 90.00 90.00 P 43 21 2 8 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 0.014514 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014514 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019084 0.00000