HEADER BLOOD CLOTTING 19-JAN-20 6LSQ TITLE CRYSTAL STRUCTURE OF ECHISTATIN, AN RGD-CONTAINING SHORT DISINTEGRIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: DISINTEGRIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ECHISTATIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ECHIS CARINATUS; SOURCE 3 ORGANISM_COMMON: SAW-SCALED VIPER; SOURCE 4 ORGANISM_TAXID: 40353; SOURCE 5 EXPRESSION_SYSTEM: KOMAGATAELLA PASTORIS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS DISINTEGRIN, PLATELET AGGREGATION INHIBITOR, BLOOD CLOTTING EXPDTA X-RAY DIFFRACTION AUTHOR Y.T.CHANG,Y.C.CHEN,W.J.CHUANG REVDAT 2 29-NOV-23 6LSQ 1 REMARK REVDAT 1 25-NOV-20 6LSQ 0 JRNL AUTH Y.C.CHEN,Y.T.CHANG,C.Y.CHEN,J.H.SHIU,C.H.CHENG,C.H.HUANG, JRNL AUTH 2 J.F.CHEN,W.J.CHUANG JRNL TITL STRUCTURAL INSIGHT INTO INTEGRIN RECOGNITION AND ANTICANCER JRNL TITL 2 ACTIVITY OF ECHISTATIN. JRNL REF TOXINS V. 12 2020 JRNL REFN ESSN 2072-6651 JRNL PMID 33182321 JRNL DOI 10.3390/TOXINS12110709 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0258 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 7541 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) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.212 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT : 419 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 538 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.88 REMARK 3 BIN R VALUE (WORKING SET) : 0.2610 REMARK 3 BIN FREE R VALUE SET COUNT : 21 REMARK 3 BIN FREE R VALUE : 0.3400 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 758 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 33 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.85 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.93000 REMARK 3 B22 (A**2) : 0.93000 REMARK 3 B33 (A**2) : -3.03000 REMARK 3 B12 (A**2) : 0.47000 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): 0.165 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.152 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.116 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.493 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.949 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.925 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 783 ; 0.009 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 669 ; 0.001 ; 0.018 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1050 ; 1.461 ; 1.688 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1580 ; 1.333 ; 1.616 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 96 ; 6.889 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 48 ;32.679 ;21.667 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 141 ;14.555 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;10.857 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 96 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 887 ; 0.014 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 161 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 390 ; 1.789 ; 2.179 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 389 ; 1.787 ; 2.179 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 484 ; 2.646 ; 3.246 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 485 ; 2.644 ; 3.247 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 391 ; 2.610 ; 2.694 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 387 ; 2.608 ; 2.686 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 560 ; 4.265 ; 3.873 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 800 ; 5.404 ;25.904 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 798 ; 5.400 ;25.859 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 : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A -1 A 45 REMARK 3 ORIGIN FOR THE GROUP (A): -19.6654 7.4936 19.1712 REMARK 3 T TENSOR REMARK 3 T11: 0.0522 T22: 0.1454 REMARK 3 T33: 0.0114 T12: 0.0300 REMARK 3 T13: 0.0016 T23: 0.0365 REMARK 3 L TENSOR REMARK 3 L11: 0.8743 L22: 0.4437 REMARK 3 L33: 3.6703 L12: -0.2875 REMARK 3 L13: 1.6694 L23: -0.1640 REMARK 3 S TENSOR REMARK 3 S11: 0.0164 S12: -0.1958 S13: -0.0704 REMARK 3 S21: 0.0146 S22: 0.1306 S23: 0.0177 REMARK 3 S31: -0.0043 S32: -0.3629 S33: -0.1471 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B -1 B 49 REMARK 3 ORIGIN FOR THE GROUP (A): -13.3755 6.9430 3.3376 REMARK 3 T TENSOR REMARK 3 T11: 0.0457 T22: 0.0268 REMARK 3 T33: 0.0541 T12: -0.0163 REMARK 3 T13: 0.0041 T23: -0.0060 REMARK 3 L TENSOR REMARK 3 L11: 0.7388 L22: 0.1677 REMARK 3 L33: 1.2617 L12: -0.2228 REMARK 3 L13: 0.4568 L23: -0.4412 REMARK 3 S TENSOR REMARK 3 S11: 0.0074 S12: -0.0175 S13: -0.0585 REMARK 3 S21: -0.0041 S22: 0.0093 S23: -0.0032 REMARK 3 S31: -0.0254 S32: -0.0042 S33: -0.0166 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : 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 6LSQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-JAN-20. REMARK 100 THE DEPOSITION ID IS D_1300015297. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-DEC-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : TPS 05A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.99984 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX300-HS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS 20190315 REMARK 200 DATA SCALING SOFTWARE : XDS 20190315 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7695 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.5 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.8800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 FOR SHELL : 2.960 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: XDS 20190315 REMARK 200 STARTING MODEL: 4RQG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 31.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M BICINE PH9.0 2.55M (NH4)2SO4, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 80.78133 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 40.39067 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 40.39067 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 80.78133 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 4110 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 4250 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 GLY A 46 REMARK 465 PRO A 47 REMARK 465 ALA A 48 REMARK 465 THR A 49 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 LYS A 15 130.58 -38.10 REMARK 500 CYS B 11 6.59 80.23 REMARK 500 REMARK 500 REMARK: NULL DBREF 6LSQ A 1 49 UNP E9JGG9 E9JGG9_ECHCS 131 179 DBREF 6LSQ B 1 49 UNP E9JGG9 E9JGG9_ECHCS 131 179 SEQADV 6LSQ GLU A -1 UNP E9JGG9 EXPRESSION TAG SEQADV 6LSQ PHE A 0 UNP E9JGG9 EXPRESSION TAG SEQADV 6LSQ GLU B -1 UNP E9JGG9 EXPRESSION TAG SEQADV 6LSQ PHE B 0 UNP E9JGG9 EXPRESSION TAG SEQRES 1 A 51 GLU PHE GLU CYS GLU SER GLY PRO CYS CYS ARG ASN CYS SEQRES 2 A 51 LYS PHE LEU LYS GLU GLY THR ILE CYS LYS ARG ALA ARG SEQRES 3 A 51 GLY ASP ASP MET ASP ASP TYR CYS ASN GLY LYS THR CYS SEQRES 4 A 51 ASP CYS PRO ARG ASN PRO HIS LYS GLY PRO ALA THR SEQRES 1 B 51 GLU PHE GLU CYS GLU SER GLY PRO CYS CYS ARG ASN CYS SEQRES 2 B 51 LYS PHE LEU LYS GLU GLY THR ILE CYS LYS ARG ALA ARG SEQRES 3 B 51 GLY ASP ASP MET ASP ASP TYR CYS ASN GLY LYS THR CYS SEQRES 4 B 51 ASP CYS PRO ARG ASN PRO HIS LYS GLY PRO ALA THR HET SO4 B 101 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *33(H2 O) SHEET 1 AA1 2 CYS A 8 ARG A 9 0 SHEET 2 AA1 2 LYS A 12 PHE A 13 -1 O LYS A 12 N ARG A 9 SHEET 1 AA2 2 ILE A 19 LYS A 21 0 SHEET 2 AA2 2 ASP A 30 TYR A 31 -1 O ASP A 30 N LYS A 21 SHEET 1 AA3 2 CYS B 8 ARG B 9 0 SHEET 2 AA3 2 LYS B 12 PHE B 13 -1 O LYS B 12 N ARG B 9 SHEET 1 AA4 2 ILE B 19 LYS B 21 0 SHEET 2 AA4 2 ASP B 30 TYR B 31 -1 O ASP B 30 N CYS B 20 SSBOND 1 CYS A 2 CYS A 11 1555 1555 2.06 SSBOND 2 CYS A 7 CYS A 32 1555 1555 2.02 SSBOND 3 CYS A 8 CYS A 37 1555 1555 2.06 SSBOND 4 CYS A 20 CYS A 39 1555 1555 2.03 SSBOND 5 CYS B 2 CYS B 11 1555 1555 2.03 SSBOND 6 CYS B 7 CYS B 32 1555 1555 2.02 SSBOND 7 CYS B 8 CYS B 37 1555 1555 2.01 SSBOND 8 CYS B 20 CYS B 39 1555 1555 2.05 CRYST1 33.906 33.906 121.172 90.00 90.00 120.00 P 32 2 1 12 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 0.029493 0.017028 0.000000 0.00000 SCALE2 0.000000 0.034056 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008253 0.00000