PDB Short entry for 3G8G HEADER HYDROLASE 12-FEB-09 3G8G TITLE CRYSTAL STRUCTURE OF PHOSPHOLIPASE A2 AMMODYTOXIN A FROM VIPERA TITLE 2 AMMODYTES AMMODYTES COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2, AMMODYTOXIN A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 5 EC: 3.1.1.4; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIPERA AMMODYTES AMMODYTES; SOURCE 3 ORGANISM_COMMON: WESTERN SAND VIPER; SOURCE 4 ORGANISM_TAXID: 8705; SOURCE 5 STRAIN: NORTHERN BALKAN; SOURCE 6 GENE: ATXA; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PT7-7 KEYWDS PHOSPHOLIPASE A2, AMMODYTOXIN, PRESYNAPTIC NEUROTOXIN, ANTICOAGULANT, KEYWDS 2 SNAKE VENOM, HYDROLASE, LIPID DEGRADATION, METAL-BINDING, SECRETED, KEYWDS 3 NEUROTOXIN, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR F.A.SAUL,G.FAURE REVDAT 3 01-NOV-23 3G8G 1 REMARK REVDAT 2 29-JAN-14 3G8G 1 JRNL VERSN REVDAT 1 15-DEC-09 3G8G 0 JRNL AUTH F.A.SAUL,P.PRIJATELJ-ZNIDARSIC,B.VULLIEZ-LE NORMAND, JRNL AUTH 2 B.VILLETTE,B.RAYNAL,J.PUNGERCAR,I.KRIZAJ,G.FAURE JRNL TITL COMPARATIVE STRUCTURAL STUDIES OF TWO NATURAL ISOFORMS OF JRNL TITL 2 AMMODYTOXIN, PHOSPHOLIPASES A2 FROM VIPERA AMMODYTES JRNL TITL 3 AMMODYTES WHICH DIFFER IN NEUROTOXICITY AND ANTICOAGULANT JRNL TITL 4 ACTIVITY JRNL REF J.STRUCT.BIOL. V. 169 360 2010 JRNL REFN ISSN 1047-8477 JRNL PMID 19857576 JRNL DOI 10.1016/J.JSB.2009.10.010 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0003 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.53 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 13933 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 + TEST SET) : 0.174 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.800 REMARK 3 FREE R VALUE TEST SET COUNT : 531 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 40 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.72 REMARK 3 REFLECTION IN BIN (WORKING SET) : 471 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.02 REMARK 3 BIN R VALUE (WORKING SET) : 0.2130 REMARK 3 BIN FREE R VALUE SET COUNT : 23 REMARK 3 BIN FREE R VALUE : 0.2530 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 957 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 151 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.39 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.71 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.70000 REMARK 3 B22 (A**2) : -0.70000 REMARK 3 B33 (A**2) : 1.05000 REMARK 3 B12 (A**2) : -0.35000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.105 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.108 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.068 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.974 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.952 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.927 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 997 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 840 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1344 ; 1.193 ; 1.971 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1973 ; 0.825 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 121 ; 4.554 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 46 ;31.632 ;23.043 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 171 ;12.785 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;17.323 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 133 ; 0.067 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1109 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 218 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 200 ; 0.219 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 809 ; 0.172 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 486 ; 0.182 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 496 ; 0.084 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 76 ; 0.170 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 5 ; 0.203 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 30 ; 0.174 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 14 ; 0.185 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 780 ; 1.367 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 253 ; 0.272 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 967 ; 1.697 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 478 ; 2.000 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 377 ; 2.718 ; 4.000 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3G8G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-FEB-09. REMARK 100 THE DEPOSITION ID IS D_1000051554. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-MAR-07 REMARK 200 TEMPERATURE (KELVIN) : 110.0 REMARK 200 PH : 8.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8726 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS, SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13933 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 29.527 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 10.40 REMARK 200 R MERGE (I) : 0.14300 REMARK 200 R SYM (I) : 0.14300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 4.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 10.20 REMARK 200 R MERGE FOR SHELL (I) : 0.79100 REMARK 200 R SYM FOR SHELL (I) : 0.79100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 1ZWP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.26M (NH4)2SO4, 0.1M TRIS, 0.2M REMARK 280 (LI)2SO4, PH 8.50, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 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 REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-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 -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 0.00000 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 0.00000 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 0.00000 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 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2070 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12930 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 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 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 A 410 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 468 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 514 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 460 O HOH A 465 1.91 REMARK 500 O HOH A 439 O HOH A 541 2.12 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 SO4 A 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3G8H RELATED DB: PDB REMARK 900 AMMODYTOXIN C DBREF 3G8G A 1 122 UNP P00626 PA2A_VIPAA 17 138 SEQRES 1 A 122 SER LEU LEU GLU PHE GLY MET MET ILE LEU GLY GLU THR SEQRES 2 A 122 GLY LYS ASN PRO LEU THR SER TYR SER PHE TYR GLY CYS SEQRES 3 A 122 TYR CYS GLY VAL GLY GLY LYS GLY THR PRO LYS ASP ALA SEQRES 4 A 122 THR ASP ARG CYS CYS PHE VAL HIS ASP CYS CYS TYR GLY SEQRES 5 A 122 ASN LEU PRO ASP CYS SER PRO LYS THR ASP ARG TYR LYS SEQRES 6 A 122 TYR HIS ARG GLU ASN GLY ALA ILE VAL CYS GLY LYS GLY SEQRES 7 A 122 THR SER CYS GLU ASN ARG ILE CYS GLU CYS ASP ARG ALA SEQRES 8 A 122 ALA ALA ILE CYS PHE ARG LYS ASN LEU LYS THR TYR ASN SEQRES 9 A 122 TYR ILE TYR ARG ASN TYR PRO ASP PHE LEU CYS LYS LYS SEQRES 10 A 122 GLU SER GLU LYS CYS HET SO4 A 401 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *151(H2 O) HELIX 1 1 SER A 1 GLY A 14 1 14 HELIX 2 2 ASN A 16 TYR A 21 1 6 HELIX 3 3 ASP A 38 ASN A 53 1 16 HELIX 4 4 THR A 79 ASN A 99 1 21 HELIX 5 5 LEU A 100 TYR A 103 5 4 HELIX 6 6 ASN A 104 ARG A 108 5 5 HELIX 7 7 PRO A 111 LYS A 116 5 6 SHEET 1 A 2 TYR A 66 GLU A 69 0 SHEET 2 A 2 ALA A 72 CYS A 75 -1 O VAL A 74 N HIS A 67 SSBOND 1 CYS A 26 CYS A 115 1555 1555 2.06 SSBOND 2 CYS A 28 CYS A 44 1555 1555 2.06 SSBOND 3 CYS A 43 CYS A 95 1555 1555 2.06 SSBOND 4 CYS A 49 CYS A 122 1555 1555 2.04 SSBOND 5 CYS A 50 CYS A 88 1555 1555 2.03 SSBOND 6 CYS A 57 CYS A 81 1555 1555 2.08 SSBOND 7 CYS A 75 CYS A 86 1555 1555 2.04 SITE 1 AC1 6 GLY A 11 TYR A 66 ARG A 68 HOH A 441 SITE 2 AC1 6 HOH A 443 HOH A 550 CRYST1 68.190 68.190 46.080 90.00 90.00 120.00 P 3 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 0.014665 0.008467 0.000000 0.00000 SCALE2 0.000000 0.016934 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021701 0.00000