HEADER BLOOD CLOTTING 18-NOV-04 1WT9 TITLE CRYSTAL STRUCTURE OF AA-X-BP-I, A SNAKE VENOM PROTEIN WITH THE TITLE 2 ACTIVITY OF BINDING TO COAGULATION FACTOR X FROM AGKISTRODON ACUTUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: AGKISACUTACIN A CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: C-TYPE LECTIN CRD DOMAIN; COMPND 5 SYNONYM: AA-X-BP-I, CHAIN A; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: ANTICOAGULANT PROTEIN-B; COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: C-TYPE LECTIN CRD DOMAIN; COMPND 10 SYNONYM: AA-X-BP-I, CHAIN B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DEINAGKISTRODON ACUTUS; SOURCE 3 ORGANISM_COMMON: CHINESE MOCCASIN; SOURCE 4 ORGANISM_TAXID: 36307; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: DEINAGKISTRODON ACUTUS; SOURCE 7 ORGANISM_COMMON: CHINESE MOCCASIN; SOURCE 8 ORGANISM_TAXID: 36307 KEYWDS AA-X-BP-I, C-TYPE LECTIN-LIKE PROTEINS, SNAKE VENOM, AGKSITRODON KEYWDS 2 ACUTUS, BLOOD CLOTTING EXPDTA X-RAY DIFFRACTION AUTHOR Z.ZHU,S.LIU,X.MO,X.YU,Z.LIANG,J.ZANG,W.ZHAO,M.TENG,L.NIU REVDAT 3 16-OCT-24 1WT9 1 REMARK LINK REVDAT 2 24-FEB-09 1WT9 1 VERSN REVDAT 1 07-MAR-06 1WT9 0 JRNL AUTH Z.ZHU,S.LIU,X.MO,X.YU,Z.LIANG,J.ZANG,W.ZHAO,M.TENG,L.NIU JRNL TITL CHARACTERIZATIONS AND CRYSTAL STRUCTURES OF TWO SNAKE VENOM JRNL TITL 2 PROTEINS WITH THE ACTIVITY OF BINDING COAGULATION FACTOR X JRNL TITL 3 FROM AGKISTRODON ACUTUS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.47 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 418216.740 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.1 REMARK 3 NUMBER OF REFLECTIONS : 14932 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 SET) : 0.188 REMARK 3 FREE R VALUE : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1518 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.01 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.14 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 71.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1783 REMARK 3 BIN R VALUE (WORKING SET) : 0.2660 REMARK 3 BIN FREE R VALUE : 0.3160 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 201 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2061 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 116 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 8.20000 REMARK 3 B22 (A**2) : 2.14000 REMARK 3 B33 (A**2) : -10.34000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.08000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.24 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.770 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.380 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.160 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.190 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.290 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 36.24 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1WT9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 19-NOV-04. REMARK 100 THE DEPOSITION ID IS D_1000023973. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 7.2 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 : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15616 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.06800 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) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.06 REMARK 200 COMPLETENESS FOR SHELL (%) : 64.5 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.06 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, PH 7.2, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 26.87450 REMARK 290 SMTRY3 2 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: 3940 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11960 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 KCAL/MOL 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 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 PHE B 59 CA - C - O ANGL. DEV. = -26.0 DEGREES REMARK 500 PHE B 59 CA - C - N ANGL. DEV. = 15.8 DEGREES REMARK 500 PHE B 59 O - C - N ANGL. DEV. = 10.0 DEGREES REMARK 500 ASP B 60 O - C - N ANGL. DEV. = -15.9 DEGREES REMARK 500 TYR B 61 C - N - CA ANGL. DEV. = 18.4 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 ASN A 93 52.44 -152.46 REMARK 500 ASP B 60 -143.24 52.81 REMARK 500 LYS B 86 -67.63 -123.28 REMARK 500 ASP B 89 60.47 -154.76 REMARK 500 SER B 101 6.16 -63.85 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 ANGLE, 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 ASP B 60 23.93 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A1001 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 41 OG REMARK 620 2 SER A 41 O 74.0 REMARK 620 3 GLU A 47 OE1 118.6 70.1 REMARK 620 4 GLU A 47 OE2 155.3 82.1 44.8 REMARK 620 5 GLU A 128 OE1 78.7 87.7 144.5 106.6 REMARK 620 6 GLU A 128 OE2 110.4 135.2 130.3 90.8 52.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B1002 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 41 O REMARK 620 2 SER B 41 OG 72.3 REMARK 620 3 GLN B 43 OE1 91.4 72.5 REMARK 620 4 GLU B 47 OE1 72.2 131.7 76.9 REMARK 620 5 GLU B 47 OE2 77.7 148.3 118.9 42.4 REMARK 620 6 GLU B 120 OE1 77.0 73.3 145.8 127.4 90.3 REMARK 620 7 GLU B 120 OE2 115.3 110.0 152.9 114.2 73.8 47.0 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 1002 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IOD RELATED DB: PDB REMARK 900 A VARIANT OF THIS PROTEIN (D-ACUTUS-X-BP) COMPLEXED WITH GLA DOMAIN REMARK 900 OF FACTOR X REMARK 900 RELATED ID: 1Y17 RELATED DB: PDB REMARK 900 THIS PROTEIN WITH IDENTIC RESIDUES IN CHAIN B TO THOSE OF AA-X-BP-I DBREF 1WT9 A 1 129 UNP Q9DEF9 Q9DEF9_AGKAC 24 152 DBREF 1WT9 B 1 123 UNP Q9DEF8 Q9DEF8_AGKAC 24 146 SEQRES 1 A 129 ASP CYS SER SER GLY TRP SER SER TYR GLU GLY HIS CYS SEQRES 2 A 129 TYR LYS VAL PHE LYS GLN SER LYS THR TRP THR ASP ALA SEQRES 3 A 129 GLU SER PHE CYS THR LYS GLN VAL ASN GLY GLY HIS LEU SEQRES 4 A 129 VAL SER ILE GLU SER SER GLY GLU ALA ASP PHE VAL GLY SEQRES 5 A 129 GLN LEU ILE ALA GLN LYS ILE LYS SER ALA LYS ILE HIS SEQRES 6 A 129 VAL TRP ILE GLY LEU ARG ALA GLN ASN LYS GLU LYS GLN SEQRES 7 A 129 CYS SER ILE GLU TRP SER ASP GLY SER SER ILE SER TYR SEQRES 8 A 129 GLU ASN TRP ILE GLU GLU GLU SER LYS LYS CYS LEU GLY SEQRES 9 A 129 VAL HIS ILE GLU THR GLY PHE HIS LYS TRP GLU ASN PHE SEQRES 10 A 129 TYR CYS GLU GLN GLN ASP PRO PHE VAL CYS GLU ALA SEQRES 1 B 123 ASP CYS PRO SER ASP TRP SER SER TYR GLU GLY HIS CYS SEQRES 2 B 123 TYR LYS PRO PHE ASN GLU PRO LYS ASN TRP ALA ASP ALA SEQRES 3 B 123 GLU ASN PHE CYS THR GLN GLN HIS THR GLY SER HIS LEU SEQRES 4 B 123 VAL SER PHE GLN SER THR GLU GLU ALA ASP PHE VAL VAL SEQRES 5 B 123 LYS LEU ALA PHE GLN THR PHE ASP TYR GLY ILE PHE TRP SEQRES 6 B 123 MET GLY LEU SER LYS ILE TRP ASN GLN CYS ASN TRP GLN SEQRES 7 B 123 TRP SER ASN ALA ALA MET LEU LYS TYR THR ASP TRP ALA SEQRES 8 B 123 GLU GLU SER TYR CYS VAL TYR PHE LYS SER THR ASN ASN SEQRES 9 B 123 LYS TRP ARG SER ILE THR CYS ARG MET ILE ALA ASN PHE SEQRES 10 B 123 VAL CYS GLU PHE GLN ALA HET CA A1001 1 HET CA B1002 1 HETNAM CA CALCIUM ION FORMUL 3 CA 2(CA 2+) FORMUL 5 HOH *116(H2 O) HELIX 1 1 THR A 22 VAL A 34 1 13 HELIX 2 2 SER A 44 ILE A 59 1 16 HELIX 3 3 ILE A 95 SER A 99 5 5 HELIX 4 4 ILE A 107 GLY A 110 5 4 HELIX 5 5 ASN B 22 GLN B 32 1 11 HELIX 6 6 SER B 44 ASP B 60 1 17 SHEET 1 A 4 SER A 7 TYR A 9 0 SHEET 2 A 4 HIS A 12 LYS A 21 -1 O TYR A 14 N SER A 7 SHEET 3 A 4 ASP A 123 GLU A 128 -1 O PHE A 125 N PHE A 17 SHEET 4 A 4 HIS A 38 LEU A 39 -1 N HIS A 38 O GLU A 128 SHEET 1 B 4 TRP A 114 PHE A 117 0 SHEET 2 B 4 CYS A 102 VAL A 105 -1 N CYS A 102 O PHE A 117 SHEET 3 B 4 VAL A 66 ALA A 72 -1 N VAL A 66 O VAL A 105 SHEET 4 B 4 TRP B 77 TRP B 79 -1 O GLN B 78 N ARG A 71 SHEET 1 C 4 SER B 7 TYR B 9 0 SHEET 2 C 4 HIS B 12 LYS B 21 -1 O TYR B 14 N SER B 7 SHEET 3 C 4 ALA B 115 GLN B 122 -1 O CYS B 119 N LYS B 15 SHEET 4 C 4 HIS B 38 LEU B 39 -1 N HIS B 38 O GLU B 120 SHEET 1 D 6 SER B 7 TYR B 9 0 SHEET 2 D 6 HIS B 12 LYS B 21 -1 O TYR B 14 N SER B 7 SHEET 3 D 6 ALA B 115 GLN B 122 -1 O CYS B 119 N LYS B 15 SHEET 4 D 6 ILE B 63 TRP B 65 1 N TRP B 65 O ASN B 116 SHEET 5 D 6 TYR B 95 LYS B 100 -1 O PHE B 99 N PHE B 64 SHEET 6 D 6 ASN B 103 THR B 110 -1 O ILE B 109 N CYS B 96 SSBOND 1 CYS A 2 CYS A 13 1555 1555 2.03 SSBOND 2 CYS A 30 CYS A 127 1555 1555 2.02 SSBOND 3 CYS A 79 CYS B 75 1555 1555 2.03 SSBOND 4 CYS A 102 CYS A 119 1555 1555 2.02 SSBOND 5 CYS B 2 CYS B 13 1555 1555 2.02 SSBOND 6 CYS B 30 CYS B 119 1555 1555 2.03 SSBOND 7 CYS B 96 CYS B 111 1555 1555 2.03 LINK OG SER A 41 CA CA A1001 1555 1555 2.49 LINK O SER A 41 CA CA A1001 1555 1555 2.27 LINK OE1 GLU A 47 CA CA A1001 1555 1555 3.12 LINK OE2 GLU A 47 CA CA A1001 1555 1555 2.24 LINK OE1 GLU A 128 CA CA A1001 1555 1555 2.59 LINK OE2 GLU A 128 CA CA A1001 1555 1555 2.38 LINK O SER B 41 CA CA B1002 1555 1555 2.36 LINK OG SER B 41 CA CA B1002 1555 1555 2.72 LINK OE1 GLN B 43 CA CA B1002 1555 1555 2.87 LINK OE1 GLU B 47 CA CA B1002 1555 1555 3.25 LINK OE2 GLU B 47 CA CA B1002 1555 1555 2.42 LINK OE1 GLU B 120 CA CA B1002 1555 1555 2.87 LINK OE2 GLU B 120 CA CA B1002 1555 1555 2.58 SITE 1 AC1 3 SER A 41 GLU A 47 GLU A 128 SITE 1 AC2 4 SER B 41 GLN B 43 GLU B 47 GLU B 120 CRYST1 35.079 53.749 67.906 90.00 98.70 90.00 P 1 21 1 2 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 0.028507 0.000000 0.004362 0.00000 SCALE2 0.000000 0.018605 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014898 0.00000