PDB Short entry for 2YV7 HEADER METAL TRANSPORT 10-APR-07 2YV7 TITLE CRYSTAL STRUCTURE OF THE CLIC HOMOLOG FROM DROSOPHILA MELANOGASTER COMPND MOL_ID: 1; COMPND 2 MOLECULE: CG10997-PA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: LD46306P, CLIC; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 3 ORGANISM_COMMON: FRUIT FLY; SOURCE 4 ORGANISM_TAXID: 7227; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CLIC, DMCLIC, CHLORIDE ION CHANNEL, GST FOLD, METAL TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR S.J.HARROP,D.R.LITTLER,P.M.G.CURMI REVDAT 4 25-OCT-23 2YV7 1 REMARK REVDAT 3 24-FEB-09 2YV7 1 VERSN REVDAT 2 26-FEB-08 2YV7 1 JRNL REVDAT 1 19-FEB-08 2YV7 0 JRNL AUTH D.R.LITTLER,S.J.HARROP,L.J.BROWN,G.J.PANKHURST,A.V.MYNOTT, JRNL AUTH 2 P.LUCIANI,R.A.MANDYAM,M.MAZZANTI,S.TANDA,M.A.BERRYMAN, JRNL AUTH 3 S.N.BREIT,P.M.G.CURMI JRNL TITL COMPARISON OF VERTEBRATE AND INVERTEBRATE CLIC PROTEINS: THE JRNL TITL 2 CRYSTAL STRUCTURES OF CAENORHABDITIS ELEGANS EXC-4 AND JRNL TITL 3 DROSOPHILA MELANOGASTER DMCLIC JRNL REF PROTEINS V. 71 364 2007 JRNL REFN ISSN 0887-3585 JRNL PMID 17985355 JRNL DOI 10.1002/PROT.21704 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 29884 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) : 0.218 REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1590 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1876 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.43 REMARK 3 BIN R VALUE (WORKING SET) : 0.2580 REMARK 3 BIN FREE R VALUE SET COUNT : 93 REMARK 3 BIN FREE R VALUE : 0.2850 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1909 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 95 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.12 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.08000 REMARK 3 B22 (A**2) : 1.24000 REMARK 3 B33 (A**2) : -1.32000 REMARK 3 B12 (A**2) : 0.00000 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): 0.114 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.115 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.101 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.088 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.937 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1948 ; 0.020 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2632 ; 1.765 ; 1.975 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 232 ; 5.742 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 89 ;32.186 ;24.607 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 364 ;14.584 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;16.218 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 301 ; 0.123 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1432 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 916 ; 0.211 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1365 ; 0.314 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 87 ; 0.134 ; 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): 28 ; 0.152 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 14 ; 0.136 ; 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): 1192 ; 3.300 ; 4.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1912 ; 4.717 ; 6.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 824 ; 3.280 ; 4.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 720 ; 3.532 ; 3.000 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): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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 : BABINET MODEL WITH MASK 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 2YV7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-APR-07. REMARK 100 THE DEPOSITION ID IS D_1000027175. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-APR-05 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.40 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : YES REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29963 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 57.070 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : 0.05900 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.23300 REMARK 200 R SYM FOR SHELL (I) : 0.23300 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.300 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: 1K0M REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, PH 7.40, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 19.69650 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 57.06100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.72550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 57.06100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.69650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.72550 REMARK 290 SMTRY3 4 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: 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 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 MET A 1 REMARK 465 SER A 2 REMARK 465 GLU A 3 REMARK 465 VAL A 4 REMARK 465 GLU A 5 REMARK 465 SER A 6 REMARK 465 GLN A 7 REMARK 465 GLN A 8 REMARK 465 SER A 9 REMARK 465 GLN A 10 REMARK 465 GLU A 11 REMARK 465 THR A 12 REMARK 465 ASN A 13 REMARK 465 PRO A 73 REMARK 465 ASP A 74 REMARK 465 PHE A 75 REMARK 465 ARG A 76 REMARK 465 THR A 77 REMARK 465 MET A 239 REMARK 465 LYS A 240 REMARK 465 LYS A 241 REMARK 465 HIS A 242 REMARK 465 GLU A 243 REMARK 465 SER A 259 REMARK 465 GLU A 260 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 186 NE - CZ - NH2 ANGL. DEV. = -3.0 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 GLU A 80 -114.63 68.30 REMARK 500 ASP A 118 88.43 -153.59 REMARK 500 THR A 252 -1.14 -140.44 REMARK 500 REMARK 500 REMARK: NULL 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 261 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 262 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K0M RELATED DB: PDB REMARK 900 RELATED ID: 2AHE RELATED DB: PDB REMARK 900 RELATED ID: 2YV9 RELATED DB: PDB DBREF 2YV7 A 1 260 UNP Q9VY78 Q9VY78_DROME 1 260 SEQRES 1 A 260 MET SER GLU VAL GLU SER GLN GLN SER GLN GLU THR ASN SEQRES 2 A 260 GLY SER SER LYS PHE ASP VAL PRO GLU ILE GLU LEU ILE SEQRES 3 A 260 ILE LYS ALA SER THR ILE ASP GLY ARG ARG LYS GLY ALA SEQRES 4 A 260 CYS LEU PHE CYS GLN GLU TYR PHE MET ASP LEU TYR LEU SEQRES 5 A 260 LEU ALA GLU LEU LYS THR ILE SER LEU LYS VAL THR THR SEQRES 6 A 260 VAL ASP MET GLN LYS PRO PRO PRO ASP PHE ARG THR ASN SEQRES 7 A 260 PHE GLU ALA THR HIS PRO PRO ILE LEU ILE ASP ASN GLY SEQRES 8 A 260 LEU ALA ILE LEU GLU ASN GLU LYS ILE GLU ARG HIS ILE SEQRES 9 A 260 MET LYS ASN ILE PRO GLY GLY TYR ASN LEU PHE VAL GLN SEQRES 10 A 260 ASP LYS GLU VAL ALA THR LEU ILE GLU ASN LEU TYR VAL SEQRES 11 A 260 LYS LEU LYS LEU MET LEU VAL LYS LYS ASP GLU ALA LYS SEQRES 12 A 260 ASN ASN ALA LEU LEU SER HIS LEU ARG LYS ILE ASN ASP SEQRES 13 A 260 HIS LEU SER ALA ARG ASN THR ARG PHE LEU THR GLY ASP SEQRES 14 A 260 THR MET CYS CYS PHE ASP CYS GLU LEU MET PRO ARG LEU SEQRES 15 A 260 GLN HIS ILE ARG VAL ALA GLY LYS TYR PHE VAL ASP PHE SEQRES 16 A 260 GLU ILE PRO THR HIS LEU THR ALA LEU TRP ARG TYR MET SEQRES 17 A 260 TYR HIS MET TYR GLN LEU ASP ALA PHE THR GLN SER CYS SEQRES 18 A 260 PRO ALA ASP GLN ASP ILE ILE ASN HIS TYR LYS LEU GLN SEQRES 19 A 260 GLN SER LEU LYS MET LYS LYS HIS GLU GLU LEU GLU THR SEQRES 20 A 260 PRO THR PHE THR THR TYR ILE PRO ILE ASP ILE SER GLU HET CA A 261 1 HET IOD A 262 1 HETNAM CA CALCIUM ION HETNAM IOD IODIDE ION FORMUL 2 CA CA 2+ FORMUL 3 IOD I 1- FORMUL 4 HOH *95(H2 O) HELIX 1 1 SER A 15 ASP A 19 5 5 HELIX 2 2 CYS A 40 LEU A 56 1 17 HELIX 3 3 GLU A 96 ILE A 108 1 13 HELIX 4 4 GLY A 110 PHE A 115 1 6 HELIX 5 5 ASP A 118 GLU A 126 1 9 HELIX 6 6 ASN A 127 VAL A 137 1 11 HELIX 7 7 ASP A 140 ASN A 162 1 23 HELIX 8 8 CYS A 172 ASP A 194 1 23 HELIX 9 9 LEU A 201 GLN A 213 1 13 HELIX 10 10 LEU A 214 CYS A 221 1 8 HELIX 11 11 ALA A 223 SER A 236 1 14 SHEET 1 A 4 SER A 60 VAL A 66 0 SHEET 2 A 4 GLU A 22 LYS A 28 1 N ILE A 23 O SER A 60 SHEET 3 A 4 ILE A 86 ASP A 89 -1 O ILE A 88 N GLU A 24 SHEET 4 A 4 LEU A 92 ILE A 94 -1 O ILE A 94 N LEU A 87 CISPEP 1 PRO A 84 PRO A 85 0 0.26 SITE 1 AC1 4 HIS A 83 PRO A 85 LEU A 95 ASN A 97 SITE 1 AC2 2 ARG A 152 HIS A 200 CRYST1 39.393 63.451 114.122 90.00 90.00 90.00 P 21 21 21 4 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 0.025385 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015760 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008763 0.00000