HEADER CALCIUM BINDING PROTEIN 19-MAR-98 1A75 TITLE WHITING PARVALBUMIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PARVALBUMIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: PARVALBUMIN; COMPND 6 CHAIN: B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MERLANGIUS MERLANGUS; SOURCE 3 ORGANISM_COMMON: WHITING; SOURCE 4 ORGANISM_TAXID: 8058; SOURCE 5 TISSUE: MUSCLE; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: MERLANGIUS MERLANGUS; SOURCE 8 ORGANISM_COMMON: WHITING; SOURCE 9 ORGANISM_TAXID: 8058; SOURCE 10 TISSUE: MUSCLE KEYWDS CALCIUM BINDING PROTEIN, MUSCLE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.P.DECLERCQ,J.L.BANERES,J.RAMBAUD,J.PARELLO REVDAT 4 09-OCT-24 1A75 1 REMARK REVDAT 3 02-AUG-23 1A75 1 REMARK LINK REVDAT 2 24-FEB-09 1A75 1 VERSN REVDAT 1 17-JUN-98 1A75 0 JRNL AUTH J.P.DECLERCQ,J.L.BANERES,J.RAMBAUD,J.PARELLO JRNL TITL TERTIARY STRUCTURE OF A TRP-CONTAINING PARVALBUMIN FROM JRNL TITL 2 WHITING (MERLANGIUS MERLANGUS). DESCRIPTION OF THE JRNL TITL 3 HYDROPHOBIC CORE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.P.DECLERCQ,B.TINANT,J.PARELLO REMARK 1 TITL X-RAY STRUCTURE OF A NEW CRYSTAL FORM OF PIKE 4.10 BETA REMARK 1 TITL 2 PARVALBUMIN REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 52 165 1996 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 2 REMARK 1 AUTH F.ROQUET,J.P.DECLERCQ,B.TINANT,J.RAMBAUD,J.PARELLO REMARK 1 TITL CRYSTAL STRUCTURE OF THE UNIQUE PARVALBUMIN COMPONENT FROM REMARK 1 TITL 2 MUSCLE OF THE LEOPARD SHARK (TRIAKIS SEMIFASCIATA). THE REMARK 1 TITL 3 FIRST X-RAY STUDY OF AN ALPHA-PARVALBUMIN REMARK 1 REF J.MOL.BIOL. V. 223 705 1992 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH J.P.DECLERCQ,B.TINANT,J.PARELLO,J.RAMBAUD REMARK 1 TITL IONIC INTERACTIONS WITH PARVALBUMINS. CRYSTAL STRUCTURE REMARK 1 TITL 2 DETERMINATION OF PIKE 4.10 PARVALBUMIN IN FOUR DIFFERENT REMARK 1 TITL 3 IONIC ENVIRONMENTS REMARK 1 REF J.MOL.BIOL. V. 220 1017 1991 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 4 REMARK 1 AUTH J.P.DECLERCQ,B.TINANT,J.PARELLO,G.ETIENNE,R.HUBER REMARK 1 TITL CRYSTAL STRUCTURE DETERMINATION AND REFINEMENT OF PIKE 4.10 REMARK 1 TITL 2 PARVALBUMIN (MINOR COMPONENT FROM ESOX LUCIUS) REMARK 1 REF J.MOL.BIOL. V. 202 349 1988 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 12.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 82.2 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 SET) : 0.214 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 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 : 1571 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 235 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : NULL 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 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 1A75 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_1000170476. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : SEP-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : FOCUSING MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12412 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 12.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 82.2 REMARK 200 DATA REDUNDANCY : 1.540 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05700 REMARK 200 FOR THE DATA SET : 8.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.93 REMARK 200 COMPLETENESS FOR SHELL (%) : 73.2 REMARK 200 DATA REDUNDANCY IN SHELL : 1.48 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.12000 REMARK 200 FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 5CPV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SITTING DROP. RESERVOIR: 1 ML 2.1M REMARK 280 NAH2PO4/NA2HPO4 (PH 6.0) 0.7M (NH4)2SO4, 0.02%(W/V) NAN3 DROP: REMARK 280 10 MICROL. PROTEIN SOLUTION (15MG/ML) +10 MICROL. RESERVOIR REMARK 280 SOLUTION., VAPOR DIFFUSION - SITTING DROP, VAPOR DIFFUSION, REMARK 280 SITTING DROP 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 13.79500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 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 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 ALA A 1 REMARK 465 PHE A 2 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 PHE A 49 CG CD1 CD2 CE1 CE2 CZ REMARK 470 PHE B 49 CG CD1 CD2 CE1 CE2 CZ 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 ASP A 22 30.36 71.99 REMARK 500 ASP A 51 63.51 -68.15 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 110 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 51 OD1 REMARK 620 2 ASP A 53 OD1 80.3 REMARK 620 3 SER A 55 OG 90.7 87.0 REMARK 620 4 PHE A 57 O 81.8 151.7 71.5 REMARK 620 5 GLU A 59 OE1 169.8 109.9 89.0 88.5 REMARK 620 6 GLU A 59 OE2 137.6 106.7 49.2 73.3 40.1 REMARK 620 7 GLU A 62 OE2 95.8 67.5 152.1 136.3 89.2 126.0 REMARK 620 8 GLU A 62 OE1 100.5 118.0 153.8 86.7 75.8 111.5 50.6 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 109 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 90 OD1 REMARK 620 2 ASP A 92 OD1 77.4 REMARK 620 3 ASP A 94 OD1 82.4 75.1 REMARK 620 4 ALA A 96 O 86.9 157.1 86.5 REMARK 620 5 GLU A 101 OE1 114.4 120.3 158.5 81.3 REMARK 620 6 GLU A 101 OE2 82.2 77.3 150.7 117.3 49.9 REMARK 620 7 HOH A 111 O 166.8 95.5 85.0 96.4 78.8 107.4 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 110 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 51 OD1 REMARK 620 2 ASP B 53 OD1 84.3 REMARK 620 3 SER B 55 OG 91.6 77.4 REMARK 620 4 PHE B 57 O 87.0 150.3 74.5 REMARK 620 5 GLU B 59 OE1 170.6 98.0 80.1 86.6 REMARK 620 6 GLU B 62 OE2 104.3 77.3 148.5 132.4 85.1 REMARK 620 7 GLU B 62 OE1 113.9 126.9 144.7 82.6 72.0 50.4 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 109 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 90 OD1 REMARK 620 2 ASP B 92 OD1 80.9 REMARK 620 3 ASP B 92 OD2 110.1 40.5 REMARK 620 4 ASP B 94 OD1 80.7 74.9 106.7 REMARK 620 5 ALA B 96 O 82.4 156.9 162.6 86.8 REMARK 620 6 GLU B 101 OE1 115.4 114.3 76.5 161.9 87.4 REMARK 620 7 GLU B 101 OE2 83.0 75.0 53.9 147.6 118.6 48.3 REMARK 620 8 HOH B 111 O 169.6 96.5 72.8 88.9 97.1 74.9 106.1 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CDA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATION BINDING SITE OCCUPIED BY CA2+ (CA A 110 REMARK 800 ?). REMARK 800 REMARK 800 SITE_IDENTIFIER: CDB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATION BINDING SITE OCCUPIED BY CA2+ (CA B 110 REMARK 800 ?). REMARK 800 REMARK 800 SITE_IDENTIFIER: EFA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATION BINDING SITE OCCUPIED BY CA2+ (CA A 109 REMARK 800 ?). REMARK 800 REMARK 800 SITE_IDENTIFIER: EFB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATION BINDING SITE OCCUPIED BY CA2+ (CA B 109 REMARK 800 ?). REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 109 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 110 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 109 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 110 DBREF 1A75 A 1 108 UNP P02621 PRVB_MERMR 1 108 DBREF 1A75 B 1 108 UNP P02621 PRVB_MERMR 1 108 SEQRES 1 A 108 ALA PHE ALA GLY ILE LEU ALA ASP ALA ASP CYS ALA ALA SEQRES 2 A 108 ALA VAL LYS ALA CYS GLU ALA ALA ASP SER PHE SER TYR SEQRES 3 A 108 LYS ALA PHE PHE ALA LYS CYS GLY LEU SER GLY LYS SER SEQRES 4 A 108 ALA ASP ASP ILE LYS LYS ALA PHE VAL PHE ILE ASP GLN SEQRES 5 A 108 ASP LYS SER GLY PHE ILE GLU GLU ASP GLU LEU LYS LEU SEQRES 6 A 108 PHE LEU GLN VAL PHE LYS ALA GLY ALA ARG ALA LEU THR SEQRES 7 A 108 ASP ALA GLU THR LYS ALA PHE LEU LYS ALA GLY ASP SER SEQRES 8 A 108 ASP GLY ASP GLY ALA ILE GLY VAL GLU GLU TRP VAL ALA SEQRES 9 A 108 LEU VAL LYS ALA SEQRES 1 B 109 ACE ALA PHE ALA GLY ILE LEU ALA ASP ALA ASP CYS ALA SEQRES 2 B 109 ALA ALA VAL LYS ALA CYS GLU ALA ALA ASP SER PHE SER SEQRES 3 B 109 TYR LYS ALA PHE PHE ALA LYS CYS GLY LEU SER GLY LYS SEQRES 4 B 109 SER ALA ASP ASP ILE LYS LYS ALA PHE VAL PHE ILE ASP SEQRES 5 B 109 GLN ASP LYS SER GLY PHE ILE GLU GLU ASP GLU LEU LYS SEQRES 6 B 109 LEU PHE LEU GLN VAL PHE LYS ALA GLY ALA ARG ALA LEU SEQRES 7 B 109 THR ASP ALA GLU THR LYS ALA PHE LEU LYS ALA GLY ASP SEQRES 8 B 109 SER ASP GLY ASP GLY ALA ILE GLY VAL GLU GLU TRP VAL SEQRES 9 B 109 ALA LEU VAL LYS ALA HET ACE B 0 3 HET CA A 109 1 HET CA A 110 1 HET CA B 109 1 HET CA B 110 1 HETNAM ACE ACETYL GROUP HETNAM CA CALCIUM ION FORMUL 2 ACE C2 H4 O FORMUL 3 CA 4(CA 2+) FORMUL 7 HOH *235(H2 O) HELIX 1 1 ALA A 9 CYS A 18 1 10 HELIX 2 2 TYR A 26 CYS A 33 1 8 HELIX 3 3 ALA A 40 ILE A 50 1 11 HELIX 4 4 GLU A 60 PHE A 70 1 11 HELIX 5 5 ASP A 79 GLY A 89 1 11 HELIX 6 6 VAL A 99 VAL A 106 1 8 HELIX 7 7 ALA B 9 CYS B 18 1 10 HELIX 8 8 TYR B 26 CYS B 33 1 8 HELIX 9 9 ALA B 40 ILE B 50 1 11 HELIX 10 10 GLU B 60 PHE B 70 1 11 HELIX 11 11 ASP B 79 GLY B 89 1 11 HELIX 12 12 VAL B 99 VAL B 106 1 8 SHEET 1 A 2 ILE A 58 GLU A 59 0 SHEET 2 A 2 ALA A 96 ILE A 97 -1 O ILE A 97 N ILE A 58 SSBOND 1 CYS A 11 CYS A 33 1555 1555 2.02 SSBOND 2 CYS B 11 CYS B 33 1555 1555 2.04 LINK C ACE B 0 N ALA B 1 1555 1555 1.33 LINK OD1 ASP A 51 CA CA A 110 1555 1555 2.22 LINK OD1 ASP A 53 CA CA A 110 1555 1555 2.17 LINK OG SER A 55 CA CA A 110 1555 1555 2.48 LINK O PHE A 57 CA CA A 110 1555 1555 2.16 LINK OE1 GLU A 59 CA CA A 110 1555 1555 2.12 LINK OE2 GLU A 59 CA CA A 110 1555 1555 3.33 LINK OE2 GLU A 62 CA CA A 110 1555 1555 2.51 LINK OE1 GLU A 62 CA CA A 110 1555 1555 2.58 LINK OD1 ASP A 90 CA CA A 109 1555 1555 2.49 LINK OD1 ASP A 92 CA CA A 109 1555 1555 2.46 LINK OD1 ASP A 94 CA CA A 109 1555 1555 2.30 LINK O ALA A 96 CA CA A 109 1555 1555 2.18 LINK OE1 GLU A 101 CA CA A 109 1555 1555 2.30 LINK OE2 GLU A 101 CA CA A 109 1555 1555 2.76 LINK CA CA A 109 O HOH A 111 1555 1555 2.28 LINK OD1 ASP B 51 CA CA B 110 1555 1555 2.30 LINK OD1 ASP B 53 CA CA B 110 1555 1555 2.20 LINK OG SER B 55 CA CA B 110 1555 1555 2.56 LINK O PHE B 57 CA CA B 110 1555 1555 2.38 LINK OE1 GLU B 59 CA CA B 110 1555 1555 2.62 LINK OE2 GLU B 62 CA CA B 110 1555 1555 2.48 LINK OE1 GLU B 62 CA CA B 110 1555 1555 2.67 LINK OD1 ASP B 90 CA CA B 109 1555 1555 2.57 LINK OD1 ASP B 92 CA CA B 109 1555 1555 2.46 LINK OD2 ASP B 92 CA CA B 109 1555 1555 3.37 LINK OD1 ASP B 94 CA CA B 109 1555 1555 2.08 LINK O ALA B 96 CA CA B 109 1555 1555 2.49 LINK OE1 GLU B 101 CA CA B 109 1555 1555 2.43 LINK OE2 GLU B 101 CA CA B 109 1555 1555 2.85 LINK CA CA B 109 O HOH B 111 1555 1555 2.11 SITE 1 CDA 6 ASP A 51 ASP A 53 SER A 55 PHE A 57 SITE 2 CDA 6 GLU A 59 GLU A 62 SITE 1 CDB 6 ASP B 51 ASP B 53 SER B 55 PHE B 57 SITE 2 CDB 6 GLU B 59 GLU B 62 SITE 1 EFA 6 ASP A 90 ASP A 92 ASP A 94 ALA A 96 SITE 2 EFA 6 GLU A 101 HOH A 111 SITE 1 EFB 6 ASP B 90 ASP B 92 ASP B 94 ALA B 96 SITE 2 EFB 6 GLU B 101 HOH B 111 SITE 1 AC1 6 ASP A 90 ASP A 92 ASP A 94 ALA A 96 SITE 2 AC1 6 GLU A 101 HOH A 111 SITE 1 AC2 6 ASP A 51 ASP A 53 SER A 55 PHE A 57 SITE 2 AC2 6 GLU A 59 GLU A 62 SITE 1 AC3 6 ASP B 90 ASP B 92 ASP B 94 ALA B 96 SITE 2 AC3 6 GLU B 101 HOH B 111 SITE 1 AC4 6 ASP B 51 ASP B 53 SER B 55 PHE B 57 SITE 2 AC4 6 GLU B 59 GLU B 62 CRYST1 34.730 27.590 98.510 90.00 91.49 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 0.028794 0.000000 0.000749 0.00000 SCALE2 0.000000 0.036245 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010155 0.00000 MTRIX1 1 0.999800 -0.018400 0.001200 18.79200 1 MTRIX2 1 -0.018300 -0.996600 -0.080100 37.60200 1 MTRIX3 1 0.002700 0.080100 -0.996800 146.16600 1