HEADER CALCIUM-BINDING PROTEIN 30-JUL-93 2SAS TITLE STRUCTURE OF A SARCOPLASMIC CALCIUM-BINDING PROTEIN FROM AMPHIOXUS TITLE 2 REFINED AT 2.4 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: SARCOPLASMIC CALCIUM-BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BRANCHIOSTOMA LANCEOLATUM; SOURCE 3 ORGANISM_COMMON: AMPHIOXUS; SOURCE 4 ORGANISM_TAXID: 7740 KEYWDS CALCIUM-BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.J.COOK,Y.S.BABU,J.A.COX REVDAT 6 14-AUG-19 2SAS 1 REMARK REVDAT 5 17-JUL-19 2SAS 1 REMARK REVDAT 4 24-FEB-09 2SAS 1 VERSN REVDAT 3 01-APR-03 2SAS 1 JRNL REVDAT 2 15-MAY-95 2SAS 1 JRNL REVDAT 1 31-OCT-93 2SAS 0 JRNL AUTH W.J.COOK,L.C.JEFFREY,J.A.COX,S.VIJAY-KUMAR JRNL TITL STRUCTURE OF A SARCOPLASMIC CALCIUM-BINDING PROTEIN FROM JRNL TITL 2 AMPHIOXUS REFINED AT 2.4 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 229 461 1993 JRNL REFN ISSN 0022-2836 JRNL PMID 8429557 JRNL DOI 10.1006/JMBI.1993.1046 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.J.COOK,Y.S.BABU,J.A.COX REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY INVESTIGATION OF A REMARK 1 TITL 2 SARCOPLASMIC CALCIUM-BINDING PROTEIN FROM AMPHIOXUS REMARK 1 REF J.MOL.BIOL. V. 221 1071 1991 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1495 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 1 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) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.088 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.683 ; 1.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.888 ; 1.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.677 ; 2.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2SAS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178612. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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 : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 41.20000 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 41.20000 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 29.80000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 40.65000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 29.80000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 40.65000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 41.20000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 29.80000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 40.65000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 41.20000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 29.80000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 40.65000 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 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 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 59.60000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 41.20000 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 ARG A 37 CD - NE - CZ ANGL. DEV. = 8.7 DEGREES REMARK 500 GLU A 40 CA - CB - CG ANGL. DEV. = 23.2 DEGREES REMARK 500 ASP A 70 CB - CG - OD2 ANGL. DEV. = -7.6 DEGREES REMARK 500 LYS A 88 CA - CB - CG ANGL. DEV. = 14.1 DEGREES REMARK 500 ASP A 119 CB - CG - OD1 ANGL. DEV. = 7.0 DEGREES REMARK 500 GLN A 128 CA - CB - CG ANGL. DEV. = 13.7 DEGREES REMARK 500 LYS A 132 CA - CB - CG ANGL. DEV. = 15.3 DEGREES REMARK 500 PHE A 134 N - CA - C ANGL. DEV. = -19.4 DEGREES REMARK 500 TYR A 145 CB - CG - CD2 ANGL. DEV. = 5.0 DEGREES REMARK 500 TYR A 145 CB - CG - CD1 ANGL. DEV. = -6.5 DEGREES REMARK 500 ARG A 160 NE - CZ - NH1 ANGL. DEV. = -6.5 DEGREES REMARK 500 ARG A 160 NE - CZ - NH2 ANGL. DEV. = 8.9 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 LEU A 18 -45.82 -132.21 REMARK 500 LYS A 43 -126.97 37.22 REMARK 500 ASP A 75 22.86 47.88 REMARK 500 THR A 92 43.44 -143.17 REMARK 500 ALA A 97 -8.95 -56.82 REMARK 500 LYS A 132 -67.68 -90.39 REMARK 500 PHE A 134 109.23 161.87 REMARK 500 GLN A 135 41.70 -68.78 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 A 186 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 19 OD1 REMARK 620 2 SER A 25 O 79.9 REMARK 620 3 ASN A 21 OD1 84.1 151.6 REMARK 620 4 ASP A 30 OD1 87.5 128.5 73.5 REMARK 620 5 ASP A 30 OD2 108.7 82.5 125.0 54.8 REMARK 620 6 ASP A 23 OD1 82.1 78.3 76.4 149.0 155.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 187 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 81 OE2 REMARK 620 2 ASP A 70 OD1 87.0 REMARK 620 3 ASN A 72 OD1 75.7 81.0 REMARK 620 4 ASP A 74 OD1 146.5 83.5 71.0 REMARK 620 5 VAL A 76 O 116.7 79.6 156.2 93.1 REMARK 620 6 GLU A 81 OE1 45.1 108.3 117.8 165.8 81.6 REMARK 620 7 HOH A 189 O 101.7 170.1 96.7 86.7 100.0 81.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 188 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 119 OD1 REMARK 620 2 ILE A 121 O 83.3 REMARK 620 3 SER A 117 OG 71.3 154.5 REMARK 620 4 GLU A 126 OE1 150.9 80.3 123.2 REMARK 620 5 GLU A 126 OE2 142.4 132.8 72.4 53.7 REMARK 620 6 ASP A 115 OD1 85.1 84.3 92.2 116.7 105.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: EF1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: EF2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: EF3 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 186 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 187 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 188 DBREF 2SAS A 1 185 UNP P04570 SCP2_BRALA 1 185 SEQRES 1 A 185 GLY LEU ASN ASP PHE GLN LYS GLN LYS ILE LYS PHE THR SEQRES 2 A 185 PHE ASP PHE PHE LEU ASP MET ASN HIS ASP GLY SER ILE SEQRES 3 A 185 GLN ASP ASN ASP PHE GLU ASP MET MET THR ARG TYR LYS SEQRES 4 A 185 GLU VAL ASN LYS GLY SER LEU SER ASP ALA ASP TYR LYS SEQRES 5 A 185 SER MET GLN ALA SER LEU GLU ASP GLU TRP ARG ASP LEU SEQRES 6 A 185 LYS GLY ARG ALA ASP ILE ASN LYS ASP ASP VAL VAL SER SEQRES 7 A 185 TRP GLU GLU TYR LEU ALA MET TRP GLU LYS THR ILE ALA SEQRES 8 A 185 THR CYS LYS SER VAL ALA ASP LEU PRO ALA TRP CYS GLN SEQRES 9 A 185 ASN ARG ILE PRO PHE LEU PHE LYS GLY MET ASP VAL SER SEQRES 10 A 185 GLY ASP GLY ILE VAL ASP LEU GLU GLU PHE GLN ASN TYR SEQRES 11 A 185 CYS LYS ASN PHE GLN LEU GLN CYS ALA ASP VAL PRO ALA SEQRES 12 A 185 VAL TYR ASN VAL ILE THR ASP GLY GLY LYS VAL THR PHE SEQRES 13 A 185 ASP LEU ASN ARG TYR LYS GLU LEU TYR TYR ARG LEU LEU SEQRES 14 A 185 THR SER PRO ALA ALA ASP ALA GLY ASN THR LEU MET GLY SEQRES 15 A 185 GLN LYS PRO HET CA A 186 1 HET CA A 187 1 HET CA A 188 1 HETNAM CA CALCIUM ION FORMUL 2 CA 3(CA 2+) FORMUL 5 HOH *(H2 O) HELIX 1 A ASP A 4 LEU A 18 1 15 HELIX 2 B ASP A 28 ASN A 42 1 15 HELIX 3 C ASP A 48 ALA A 69 1 22 HELIX 4 D TRP A 79 ALA A 91 1 13 HELIX 5 E CYS A 103 MET A 114 1 12 HELIX 6 F LEU A 124 LYS A 132 1 9 HELIX 7 G VAL A 141 ILE A 148 1 8 HELIX 8 H LEU A 158 THR A 170 1 13 HELIX 9 I ALA A 176 MET A 181 5 6 SHEET 1 A 2 SER A 25 GLN A 27 0 SHEET 2 A 2 VAL A 76 SER A 78 -1 SSBOND 1 CYS A 131 CYS A 138 1555 1555 2.03 LINK CA CA A 186 OD1 ASP A 19 1555 1555 2.20 LINK CA CA A 186 O SER A 25 1555 1555 2.11 LINK CA CA A 186 OD1 ASN A 21 1555 1555 2.37 LINK CA CA A 186 OD1 ASP A 30 1555 1555 2.44 LINK CA CA A 186 OD2 ASP A 30 1555 1555 2.36 LINK CA CA A 186 OD1 ASP A 23 1555 1555 2.30 LINK CA CA A 187 OE2 GLU A 81 1555 1555 3.07 LINK CA CA A 187 OD1 ASP A 70 1555 1555 1.94 LINK CA CA A 187 OD1 ASN A 72 1555 1555 2.80 LINK CA CA A 187 OD1 ASP A 74 1555 1555 2.25 LINK CA CA A 187 O VAL A 76 1555 1555 2.32 LINK CA CA A 187 OE1 GLU A 81 1555 1555 2.33 LINK CA CA A 187 O HOH A 189 1555 1555 2.29 LINK CA CA A 188 OD1 ASP A 119 1555 1555 2.25 LINK CA CA A 188 O ILE A 121 1555 1555 2.41 LINK CA CA A 188 OG SER A 117 1555 1555 2.44 LINK CA CA A 188 OE1 GLU A 126 1555 1555 2.22 LINK CA CA A 188 OE2 GLU A 126 1555 1555 2.45 LINK CA CA A 188 OD1 ASP A 115 1555 1555 2.22 SITE 1 EF1 12 ASP A 19 MET A 20 ASN A 21 HIS A 22 SITE 2 EF1 12 ASP A 23 GLY A 24 SER A 25 ILE A 26 SITE 3 EF1 12 GLN A 27 ASP A 28 ASN A 29 ASP A 30 SITE 1 EF2 12 ASP A 70 ILE A 71 ASN A 72 LYS A 73 SITE 2 EF2 12 ASP A 74 ASP A 75 VAL A 76 VAL A 77 SITE 3 EF2 12 SER A 78 TRP A 79 GLU A 80 GLU A 81 SITE 1 EF3 12 ASP A 115 VAL A 116 SER A 117 GLY A 118 SITE 2 EF3 12 ASP A 119 GLY A 120 ILE A 121 VAL A 122 SITE 3 EF3 12 ASP A 123 LEU A 124 GLU A 125 GLU A 126 SITE 1 AC1 5 ASP A 19 ASN A 21 ASP A 23 SER A 25 SITE 2 AC1 5 ASP A 30 SITE 1 AC2 6 ASP A 70 ASN A 72 ASP A 74 VAL A 76 SITE 2 AC2 6 GLU A 81 HOH A 189 SITE 1 AC3 5 ASP A 115 SER A 117 ASP A 119 ILE A 121 SITE 2 AC3 5 GLU A 126 CRYST1 59.600 81.300 82.400 90.00 90.00 90.00 C 2 2 21 8 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 0.016779 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012300 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012136 0.00000