PDB Short entry for 1KV0 HEADER TOXIN 23-JAN-02 1KV0 TITLE CIS/TRANS ISOMERIZATION OF NON-PROLYL PEPTIDE BOND OBSERVED IN CRYSTAL TITLE 2 STRUCTURE OF AN SCORPION TOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-LIKE TOXIN BMK-M7; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BMK M7, BMKM7 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESOBUTHUS MARTENSII; SOURCE 3 ORGANISM_COMMON: CHINESE SCORPION; SOURCE 4 ORGANISM_TAXID: 34649; SOURCE 5 TISSUE: TAIL VENOM GLAND KEYWDS NON-PROLYL CIS PEPTIDE BOND, CIS/TRANS ISOMERIZATION, DIMERIC KEYWDS 2 STRUCTURE, SCORPION TOXIN, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR R.J.GUAN,X.L.HE,M.WANG,Y.XIANG,D.C.WANG REVDAT 4 25-OCT-23 1KV0 1 REMARK REVDAT 3 24-FEB-09 1KV0 1 VERSN REVDAT 2 22-JAN-08 1KV0 1 COMPND REVDAT 1 16-SEP-03 1KV0 0 JRNL AUTH R.J.GUAN,Y.XIANG,X.L.HE,C.G.WANG,M.WANG,Y.ZHANG, JRNL AUTH 2 E.J.SUNDBERG,D.C.WANG JRNL TITL STRUCTURAL MECHANISM GOVERNING CIS AND TRANS ISOMERIC STATES JRNL TITL 2 AND AN INTRAMOLECULAR SWITCH FOR CIS/TRANS ISOMERIZATION OF JRNL TITL 3 A NON-PROLINE PEPTIDE BOND OBSERVED IN CRYSTAL STRUCTURES OF JRNL TITL 4 SCORPION TOXINS. JRNL REF J.MOL.BIOL. V. 341 1189 2004 JRNL REFN ISSN 0022-2836 JRNL PMID 15321715 JRNL DOI 10.1016/J.JMB.2004.06.067 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.04 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.49 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 17355 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) : 0.144 REMARK 3 R VALUE (WORKING SET) : 0.142 REMARK 3 FREE R VALUE : 0.164 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1898 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) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.44 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1074 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1530 REMARK 3 BIN FREE R VALUE SET COUNT : 110 REMARK 3 BIN FREE R VALUE : 0.2030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1008 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 118 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.77 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.29000 REMARK 3 B22 (A**2) : 0.29000 REMARK 3 B33 (A**2) : -0.43000 REMARK 3 B12 (A**2) : 0.14000 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): 0.084 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.062 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.032 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.795 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.969 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.964 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1078 ; 0.016 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 908 ; 0.003 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1476 ; 1.986 ; 1.953 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2128 ; 1.086 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 135 ; 5.699 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 151 ; 0.153 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1232 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 208 ; 0.003 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 225 ; 0.229 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1004 ; 0.283 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 621 ; 0.095 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 56 ; 0.141 ; 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): 17 ; 0.243 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 66 ; 0.350 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 12 ; 0.159 ; 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): 678 ; 1.873 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1088 ; 3.069 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 400 ; 3.705 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 388 ; 5.590 ; 4.500 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): 1078 ; 1.901 ; 2.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 118 ; 9.308 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1041 ; 3.416 ; 5.000 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 : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 1KV0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-JAN-02. REMARK 100 THE DEPOSITION ID IS D_1000015370. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-18B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19260 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 29.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL 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) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.20100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1SN1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.89 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, TRIS-HCL, ETHANOL, REMARK 280 PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 58.94067 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 117.88133 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 117.88133 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 58.94067 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 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 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 97 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 108 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 115 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 69 LIES ON A SPECIAL POSITION. 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 LEU A 8 CA - CB - CG ANGL. DEV. = 17.4 DEGREES REMARK 500 VAL A 39 C - N - CA ANGL. DEV. = 15.6 DEGREES REMARK 500 LEU A 51 CA - CB - CG ANGL. DEV. = 14.3 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 PRO B 9 118.04 -26.82 REMARK 500 HIS B 10 73.32 63.83 REMARK 500 ASN B 11 39.59 70.21 REMARK 500 VAL B 39 45.14 -143.89 REMARK 500 TYR B 42 78.55 30.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SN1 RELATED DB: PDB REMARK 900 1SN1 CONTAINS SCORPION NEUROTOXIN BMK M1 REMARK 900 RELATED ID: 1SN4 RELATED DB: PDB REMARK 900 1SN4 CONTAINS SCORPION NEUROTOXIN BMK M4 REMARK 900 RELATED ID: 1CHZ RELATED DB: PDB REMARK 900 1CHZ CONTAINS A NEW NEUROTOXIN BMK M2 REMARK 900 RELATED ID: 1DJT RELATED DB: PDB REMARK 900 1DJT CONTAINS SCORPION ALPHA-LIKE TOXIN BMK M1 DBREF 1KV0 A 1 66 UNP P59854 SCX7_MESMA 1 66 DBREF 1KV0 B 1 66 UNP P59854 SCX7_MESMA 1 66 SEQRES 1 A 66 VAL ARG ASP GLY TYR ILE ALA LEU PRO HIS ASN CYS ALA SEQRES 2 A 66 TYR GLY CYS LEU ASN ASN GLU TYR CYS ASN ASN LEU CYS SEQRES 3 A 66 THR LYS ASP GLY ALA LYS ILE GLY TYR CYS ASN ILE VAL SEQRES 4 A 66 GLY LYS TYR GLY ASN ALA CYS TRP CYS ILE GLN LEU PRO SEQRES 5 A 66 ASP ASN VAL PRO ILE ARG VAL PRO GLY ARG CYS HIS PRO SEQRES 6 A 66 ALA SEQRES 1 B 66 VAL ARG ASP GLY TYR ILE ALA LEU PRO HIS ASN CYS ALA SEQRES 2 B 66 TYR GLY CYS LEU ASN ASN GLU TYR CYS ASN ASN LEU CYS SEQRES 3 B 66 THR LYS ASP GLY ALA LYS ILE GLY TYR CYS ASN ILE VAL SEQRES 4 B 66 GLY LYS TYR GLY ASN ALA CYS TRP CYS ILE GLN LEU PRO SEQRES 5 B 66 ASP ASN VAL PRO ILE ARG VAL PRO GLY ARG CYS HIS PRO SEQRES 6 B 66 ALA FORMUL 3 HOH *118(H2 O) HELIX 1 1 ASN A 18 ASP A 29 1 12 HELIX 2 2 ASN B 18 ASP B 29 1 12 SHEET 1 A 3 ARG A 2 TYR A 5 0 SHEET 2 A 3 ASN A 44 LEU A 51 -1 O CYS A 48 N GLY A 4 SHEET 3 A 3 ILE A 33 ILE A 38 -1 N TYR A 35 O TRP A 47 SHEET 1 B 2 ALA A 7 LEU A 8 0 SHEET 2 B 2 CYS A 12 ALA A 13 -1 O CYS A 12 N LEU A 8 SHEET 1 C 3 ARG B 2 TYR B 5 0 SHEET 2 C 3 ASN B 44 LEU B 51 -1 O CYS B 48 N GLY B 4 SHEET 3 C 3 ILE B 33 ILE B 38 -1 N TYR B 35 O TRP B 47 SHEET 1 D 2 ALA B 7 LEU B 8 0 SHEET 2 D 2 CYS B 12 ALA B 13 -1 O CYS B 12 N LEU B 8 SSBOND 1 CYS A 12 CYS A 63 1555 1555 2.02 SSBOND 2 CYS A 16 CYS A 36 1555 1555 2.03 SSBOND 3 CYS A 22 CYS A 46 1555 1555 2.02 SSBOND 4 CYS A 26 CYS A 48 1555 1555 2.01 SSBOND 5 CYS B 12 CYS B 63 1555 1555 2.02 SSBOND 6 CYS B 16 CYS B 36 1555 1555 2.03 SSBOND 7 CYS B 22 CYS B 46 1555 1555 2.02 SSBOND 8 CYS B 26 CYS B 48 1555 1555 2.02 CISPEP 1 PRO A 9 HIS A 10 0 -9.81 CISPEP 2 PRO B 9 HIS B 10 0 -1.42 CRYST1 32.758 32.758 176.822 90.00 90.00 120.00 P 31 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 0.030527 0.017625 0.000000 0.00000 SCALE2 0.000000 0.035249 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005655 0.00000