HEADER TOXIN 21-OCT-04 1XTA TITLE CRYSTAL STRUCTURE OF NATRIN, A SNAKE VENOM CRISP FROM TITLE 2 TAIWAN COBRA (NAJA ATRA) COMPND MOL_ID: 1; COMPND 2 MOLECULE: NATRIN 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CYSTEINE-RICH VENOM PROTEIN 1, NA-CRVP1, CRISP SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NAJA ATRA; SOURCE 3 ORGANISM_COMMON: CHINESE COBRA; SOURCE 4 ORGANISM_TAXID: 8656 KEYWDS NATRIN, CRISP, SERINE PROTEASE, ION CHANNEL BLOCKING, NAJA KEYWDS 2 ATRA, COBRA, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.-L.WANG,K.-X.GOH,S.-C.LEE,W.-N.HUANG,W.-G.WU,C.-J.CHEN REVDAT 2 24-FEB-09 1XTA 1 VERSN REVDAT 1 13-DEC-05 1XTA 0 JRNL AUTH Y.-L.WANG,K.-X.GOH,S.-C.LEE,W.-N.HUANG,W.-G.WU, JRNL AUTH 2 C.-J.CHEN JRNL TITL STRUCTURES OF SNAKE VENOM CRISP REVEAL AN ACTION JRNL TITL 2 MECHANISM INVOLVING SERINE PROTEASE AND ION JRNL TITL 3 CHANNEL BLOCKING DOMAINS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Y.-L.WANG,K.-X.GOH,W.-G.WU,C.-J.CHEN REMARK 1 TITL PURIFICATION, CRYSTALLIZATION AND PRELIMINARY REMARK 1 TITL 2 X-RAY CRYSTALLOGRAPHIC ANALYSIS OF A CYSTEINE-RICH REMARK 1 TITL 3 SECRETORY PROTEIN (CRISP) FROM NAJA ATRA VENOM REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 60 1912 2004 REMARK 1 REFN ISSN 0907-4449 REMARK 1 PMID 15388950 REMARK 1 DOI 10.1107/S0907444904019766 REMARK 2 REMARK 2 RESOLUTION. 1.58 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.58 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 59203 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.223 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 5686 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 : 3465 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 267 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : 0.12 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : 0.13 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.43 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1XTA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-OCT-04. REMARK 100 THE RCSB ID CODE IS RCSB030743. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-AUG-04; 30-AUG-04 REMARK 200 TEMPERATURE (KELVIN) : 110; NULL REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : NSRRC; SPRING-8 REMARK 200 BEAMLINE : BL17B2; BL12B2 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.743; 1.00 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL; SI 111 CHANNEL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210; ADSC REMARK 200 QUANTUM 4R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : ADSC REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 59203 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.580 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 200 DATA REDUNDANCY : 6.860 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.58 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.64 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.7 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 : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG6000, AMMONIUM CITRATE, HEPES, REMARK 280 PH 7.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 121.45950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 121.45950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 29.56350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 32.49250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 29.56350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 32.49250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 121.45950 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 29.56350 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 32.49250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 121.45950 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 29.56350 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 32.49250 REMARK 290 SMTRY3 8 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER GENERATED FROM NCS IN REMARK 300 THE ASYMMETRIC UNIT 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 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 ASN A 1 REMARK 465 ASN B 1 REMARK 465 VAL B 2 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 SER B 200 N SER B 200 CA 0.125 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 SER B 200 N - CA - CB ANGL. DEV. = -20.7 DEGREES REMARK 500 SER B 200 N - CA - C ANGL. DEV. = 18.3 DEGREES REMARK 500 CYS B 201 N - CA - CB ANGL. DEV. = 11.6 DEGREES REMARK 500 SER B 200 CA - C - N ANGL. DEV. = -13.9 DEGREES REMARK 500 CYS B 201 C - N - CA ANGL. DEV. = 28.5 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 CYS A 170 58.77 -147.33 REMARK 500 SER A 200 -165.90 64.95 REMARK 500 VAL B 104 -52.06 -120.55 REMARK 500 CYS B 170 59.46 -142.63 REMARK 500 ALA B 173 57.21 -143.06 REMARK 500 SER B 199 -5.84 77.20 REMARK 500 SER B 200 -163.12 53.40 REMARK 500 ARG B 217 -74.91 -95.35 REMARK 500 ASN B 218 49.19 -100.10 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 SER B 200 CYS B 201 145.34 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 SER A 200 -10.93 REMARK 500 SER B 200 -14.48 REMARK 500 REMARK 500 REMARK: NULL DBREF 1XTA A 1 221 UNP Q7T1K6 CRVP1_NAJAT 19 239 DBREF 1XTA B 1 221 UNP Q7T1K6 CRVP1_NAJAT 19 239 SEQADV 1XTA SER A 107 UNP Q7T1K6 ASN 125 CONFLICT SEQADV 1XTA SER B 107 UNP Q7T1K6 ASN 125 CONFLICT SEQRES 1 A 221 ASN VAL ASP PHE ASN SER GLU SER THR ARG ARG LYS LYS SEQRES 2 A 221 LYS GLN LYS GLU ILE VAL ASP LEU HIS ASN SER LEU ARG SEQRES 3 A 221 ARG ARG VAL SER PRO THR ALA SER ASN MET LEU LYS MET SEQRES 4 A 221 GLU TRP TYR PRO GLU ALA ALA SER ASN ALA GLU ARG TRP SEQRES 5 A 221 ALA ASN THR CYS SER LEU ASN HIS SER PRO ASP ASN LEU SEQRES 6 A 221 ARG VAL LEU GLU GLY ILE GLN CYS GLY GLU SER ILE TYR SEQRES 7 A 221 MET SER SER ASN ALA ARG THR TRP THR GLU ILE ILE HIS SEQRES 8 A 221 LEU TRP HIS ASP GLU TYR LYS ASN PHE VAL TYR GLY VAL SEQRES 9 A 221 GLY ALA SER PRO PRO GLY SER VAL THR GLY HIS TYR THR SEQRES 10 A 221 GLN ILE VAL TRP TYR GLN THR TYR ARG ALA GLY CYS ALA SEQRES 11 A 221 VAL SER TYR CYS PRO SER SER ALA TRP SER TYR PHE TYR SEQRES 12 A 221 VAL CYS GLN TYR CYS PRO SER GLY ASN PHE GLN GLY LYS SEQRES 13 A 221 THR ALA THR PRO TYR LYS LEU GLY PRO PRO CYS GLY ASP SEQRES 14 A 221 CYS PRO SER ALA CYS ASP ASN GLY LEU CYS THR ASN PRO SEQRES 15 A 221 CYS THR ILE TYR ASN LYS LEU THR ASN CYS ASP SER LEU SEQRES 16 A 221 LEU LYS GLN SER SER CYS GLN ASP ASP TRP ILE LYS SER SEQRES 17 A 221 ASN CYS PRO ALA SER CYS PHE CYS ARG ASN LYS ILE ILE SEQRES 1 B 221 ASN VAL ASP PHE ASN SER GLU SER THR ARG ARG LYS LYS SEQRES 2 B 221 LYS GLN LYS GLU ILE VAL ASP LEU HIS ASN SER LEU ARG SEQRES 3 B 221 ARG ARG VAL SER PRO THR ALA SER ASN MET LEU LYS MET SEQRES 4 B 221 GLU TRP TYR PRO GLU ALA ALA SER ASN ALA GLU ARG TRP SEQRES 5 B 221 ALA ASN THR CYS SER LEU ASN HIS SER PRO ASP ASN LEU SEQRES 6 B 221 ARG VAL LEU GLU GLY ILE GLN CYS GLY GLU SER ILE TYR SEQRES 7 B 221 MET SER SER ASN ALA ARG THR TRP THR GLU ILE ILE HIS SEQRES 8 B 221 LEU TRP HIS ASP GLU TYR LYS ASN PHE VAL TYR GLY VAL SEQRES 9 B 221 GLY ALA SER PRO PRO GLY SER VAL THR GLY HIS TYR THR SEQRES 10 B 221 GLN ILE VAL TRP TYR GLN THR TYR ARG ALA GLY CYS ALA SEQRES 11 B 221 VAL SER TYR CYS PRO SER SER ALA TRP SER TYR PHE TYR SEQRES 12 B 221 VAL CYS GLN TYR CYS PRO SER GLY ASN PHE GLN GLY LYS SEQRES 13 B 221 THR ALA THR PRO TYR LYS LEU GLY PRO PRO CYS GLY ASP SEQRES 14 B 221 CYS PRO SER ALA CYS ASP ASN GLY LEU CYS THR ASN PRO SEQRES 15 B 221 CYS THR ILE TYR ASN LYS LEU THR ASN CYS ASP SER LEU SEQRES 16 B 221 LEU LYS GLN SER SER CYS GLN ASP ASP TRP ILE LYS SER SEQRES 17 B 221 ASN CYS PRO ALA SER CYS PHE CYS ARG ASN LYS ILE ILE FORMUL 3 HOH *267(H2 O) HELIX 1 1 PHE A 4 SER A 8 5 5 HELIX 2 2 ARG A 11 ARG A 28 1 18 HELIX 3 3 TYR A 42 ASN A 54 1 13 HELIX 4 4 PRO A 62 LEU A 65 5 4 HELIX 5 5 THR A 85 ASP A 95 1 11 HELIX 6 6 GLU A 96 LYS A 98 5 3 HELIX 7 7 THR A 113 VAL A 120 1 8 HELIX 8 8 ASN A 191 SER A 200 1 10 HELIX 9 9 ASP A 203 CYS A 210 1 8 HELIX 10 10 CYS A 210 CYS A 216 1 7 HELIX 11 11 PHE B 4 SER B 8 5 5 HELIX 12 12 ARG B 11 ARG B 28 1 18 HELIX 13 13 TYR B 42 ASN B 54 1 13 HELIX 14 14 PRO B 62 LEU B 65 5 4 HELIX 15 15 THR B 85 ASP B 95 1 11 HELIX 16 16 GLU B 96 LYS B 98 5 3 HELIX 17 17 THR B 113 VAL B 120 1 8 HELIX 18 18 CYS B 192 LEU B 196 5 5 HELIX 19 19 ASP B 203 CYS B 210 1 8 HELIX 20 20 CYS B 210 CYS B 216 1 7 SHEET 1 A 4 GLU A 40 TRP A 41 0 SHEET 2 A 4 ARG A 126 TYR A 133 1 O ALA A 127 N GLU A 40 SHEET 3 A 4 TYR A 141 CYS A 148 -1 O GLN A 146 N GLY A 128 SHEET 4 A 4 GLY A 74 SER A 80 -1 N TYR A 78 O TYR A 143 SHEET 1 B 2 VAL A 67 LEU A 68 0 SHEET 2 B 2 ILE A 71 GLN A 72 -1 O ILE A 71 N LEU A 68 SHEET 1 C 2 PHE A 100 VAL A 101 0 SHEET 2 C 2 GLY A 105 ALA A 106 -1 O GLY A 105 N VAL A 101 SHEET 1 D 2 CYS A 174 ASP A 175 0 SHEET 2 D 2 LEU A 178 CYS A 179 -1 O LEU A 178 N ASP A 175 SHEET 1 E 4 GLU B 40 TRP B 41 0 SHEET 2 E 4 ARG B 126 TYR B 133 1 O ALA B 127 N GLU B 40 SHEET 3 E 4 TYR B 141 CYS B 148 -1 O GLN B 146 N GLY B 128 SHEET 4 E 4 GLY B 74 SER B 80 -1 N TYR B 78 O TYR B 143 SHEET 1 F 2 VAL B 67 LEU B 68 0 SHEET 2 F 2 ILE B 71 GLN B 72 -1 O ILE B 71 N LEU B 68 SHEET 1 G 2 PHE B 100 VAL B 101 0 SHEET 2 G 2 GLY B 105 ALA B 106 -1 O GLY B 105 N VAL B 101 SHEET 1 H 2 CYS B 174 ASP B 175 0 SHEET 2 H 2 LEU B 178 CYS B 179 -1 O LEU B 178 N ASP B 175 SSBOND 1 CYS A 56 CYS A 134 1555 1555 2.04 SSBOND 2 CYS A 73 CYS A 148 1555 1555 2.04 SSBOND 3 CYS A 129 CYS A 145 1555 1555 2.04 SSBOND 4 CYS A 167 CYS A 174 1555 1555 2.03 SSBOND 5 CYS A 170 CYS A 179 1555 1555 2.03 SSBOND 6 CYS A 183 CYS A 216 1555 1555 2.03 SSBOND 7 CYS A 192 CYS A 210 1555 1555 2.03 SSBOND 8 CYS A 201 CYS A 214 1555 1555 2.03 SSBOND 9 CYS B 56 CYS B 134 1555 1555 2.03 SSBOND 10 CYS B 73 CYS B 148 1555 1555 2.04 SSBOND 11 CYS B 129 CYS B 145 1555 1555 2.04 SSBOND 12 CYS B 167 CYS B 174 1555 1555 2.03 SSBOND 13 CYS B 170 CYS B 179 1555 1555 2.03 SSBOND 14 CYS B 183 CYS B 216 1555 1555 2.03 SSBOND 15 CYS B 192 CYS B 210 1555 1555 2.03 SSBOND 16 CYS B 201 CYS B 214 1555 1555 2.03 CISPEP 1 SER A 30 PRO A 31 0 0.00 CISPEP 2 SER A 107 PRO A 108 0 0.21 CISPEP 3 CYS A 148 PRO A 149 0 -0.86 CISPEP 4 SER B 30 PRO B 31 0 0.00 CISPEP 5 SER B 107 PRO B 108 0 0.14 CISPEP 6 CYS B 148 PRO B 149 0 -0.78 CRYST1 59.127 64.985 242.919 90.00 90.00 90.00 C 2 2 21 16 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 0.016913 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015388 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004117 0.00000