HEADER METAL TRANSPORT 03-MAY-00 1EXR TITLE THE 1.0 ANGSTROM CRYSTAL STRUCTURE OF CA+2 BOUND CALMODULIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALMODULIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PARAMECIUM TETRAURELIA; SOURCE 3 ORGANISM_TAXID: 5888; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PKK233-3 KEYWDS CALMODULIN, HIGH RESOLUTION, DISORDER, METAL TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR M.A.WILSON,A.T.BRUNGER REVDAT 6 03-APR-24 1EXR 1 REMARK REVDAT 5 07-FEB-24 1EXR 1 REMARK LINK REVDAT 4 24-JUL-19 1EXR 1 REMARK REVDAT 3 24-FEB-09 1EXR 1 VERSN REVDAT 2 09-SEP-03 1EXR 1 JRNL REMARK DBREF MASTER REVDAT 1 20-SEP-00 1EXR 0 JRNL AUTH M.A.WILSON,A.T.BRUNGER JRNL TITL THE 1.0 A CRYSTAL STRUCTURE OF CA(2+)-BOUND CALMODULIN: AN JRNL TITL 2 ANALYSIS OF DISORDER AND IMPLICATIONS FOR FUNCTIONALLY JRNL TITL 3 RELEVANT PLASTICITY JRNL REF J.MOL.BIOL. V. 301 1237 2000 JRNL REFN ISSN 0022-2836 JRNL PMID 10966818 JRNL DOI 10.1006/JMBI.2000.4029 REMARK 2 REMARK 2 RESOLUTION. 1.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 500.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.136 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.134 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.163 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 7782 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 77150 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.124 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.122 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.151 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 6361 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 63169 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1150 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 178 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1327.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1089.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 36 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 14894 REMARK 3 NUMBER OF RESTRAINTS : 22732 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 ANGLE DISTANCES (A) : 0.030 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.023 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.070 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.080 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.080 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.050 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.100 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91 (1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY 9% REMARK 4 REMARK 4 1EXR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1000011001. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUL-99 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 2 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) : 0.886 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 78247 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.50600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: UNPUBLISHED 1.1 A PARAMECIUM TETRAURELIA REMARK 200 CALMODULIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, CALCIUM CHLORIDE, SODIUM REMARK 280 CACODYLATE, PH 5.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 278K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 ALA A 1 REMARK 465 LYS A 148 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 GLU A 54 OE1 - CD - OE2 ANGL. DEV. = 12.9 DEGREES REMARK 500 LEU A 69 CA - CB - CG ANGL. DEV. = 14.1 DEGREES REMARK 500 ARG A 74 CD - NE - CZ ANGL. DEV. = 16.7 DEGREES REMARK 500 ARG A 74 NE - CZ - NH1 ANGL. DEV. = 8.4 DEGREES REMARK 500 ARG A 74 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 GLU A 78 OE1 - CD - OE2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ASP A 119 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ASP A 122 CB - CG - OD1 ANGL. DEV. = 6.1 DEGREES REMARK 500 ARG A 126 NE - CZ - NH2 ANGL. DEV. = -4.7 DEGREES REMARK 500 ARG A 143 CG - CD - NE ANGL. DEV. = 29.0 DEGREES REMARK 500 ARG A 143 CD - NE - CZ ANGL. DEV. = 17.1 DEGREES REMARK 500 ARG A 143 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 143 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 SER A 147 CA - C - O ANGL. DEV. = 15.0 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 GLN A 3 -70.65 -175.69 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 A1000 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 20 OD1 REMARK 620 2 ASP A 22 OD1 82.9 REMARK 620 3 ASP A 24 OD1 84.9 82.2 REMARK 620 4 THR A 26 O 80.2 156.1 79.6 REMARK 620 5 GLU A 31 OE1 112.7 126.8 146.3 75.8 REMARK 620 6 GLU A 31 OE2 98.7 75.0 156.2 124.2 53.0 REMARK 620 7 HOH A2122 O 164.1 86.7 81.8 105.7 83.1 90.1 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A1003 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 47 OE1 REMARK 620 2 GLU A 47 OE2 52.8 REMARK 620 3 ASP A 58 OD2 169.7 128.9 REMARK 620 4 HOH A2123 O 85.4 133.3 88.5 REMARK 620 5 HOH A2124 O 91.1 118.9 95.5 76.2 REMARK 620 6 HOH A2125 O 86.9 76.7 84.0 81.6 157.8 REMARK 620 7 HOH A2126 O 110.5 74.4 78.8 148.9 77.0 124.3 REMARK 620 N 1 2 3 4 5 6 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 ASP A 56 OD1 REMARK 620 2 ASP A 58 OD1 77.6 REMARK 620 3 ASN A 60 OD1 85.9 76.5 REMARK 620 4 THR A 62 O 79.3 147.6 79.5 REMARK 620 5 GLU A 67 OE1 103.1 125.8 157.1 81.6 REMARK 620 6 GLU A 67 OE2 87.4 74.6 151.1 126.7 51.5 REMARK 620 7 HOH A2011 O 143.3 123.8 73.0 67.7 88.0 124.9 REMARK 620 8 HOH A2127 O 152.8 75.7 92.7 127.2 88.5 80.7 60.1 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A1004 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 93 OD1 REMARK 620 2 ASP A 95 OD1 86.8 REMARK 620 3 ASN A 97 OD1 87.5 77.4 REMARK 620 4 LEU A 99 O 86.9 155.4 78.7 REMARK 620 5 GLU A 104 OE1 98.6 126.8 155.2 77.7 REMARK 620 6 GLU A 104 OE2 100.3 74.6 150.3 130.0 52.3 REMARK 620 7 HOH A2128 O 174.2 88.4 88.3 96.2 86.9 81.5 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A1002 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 129 OD1 REMARK 620 2 ASP A 131 OD1 83.6 REMARK 620 3 ASP A 133 OD1 93.5 78.1 REMARK 620 4 HIS A 135 O 89.4 153.5 76.9 REMARK 620 5 GLU A 140 OE1 108.7 126.8 147.3 79.6 REMARK 620 6 GLU A 140 OE2 81.8 80.4 158.4 123.9 52.3 REMARK 620 7 HOH A2129 O 166.2 83.4 79.2 100.2 83.0 100.6 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 1000 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1004 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CLM RELATED DB: PDB REMARK 900 1.8 ANGSTROM STRUCTURE OF WILD TYPE PARAMECIUM TETRAURELIA REMARK 900 CALMODULIN REMARK 900 RELATED ID: 1OSA RELATED DB: PDB REMARK 900 1.68 ANGSTROM STRUCTURE OF RECOMBINANT PARAMECIUM TETRAURELIA REMARK 900 CALMODULIN DBREF 1EXR A 1 148 UNP P07463 CALM_PARTE 2 149 SEQRES 1 A 148 ALA GLU GLN LEU THR GLU GLU GLN ILE ALA GLU PHE LYS SEQRES 2 A 148 GLU ALA PHE ALA LEU PHE ASP LYS ASP GLY ASP GLY THR SEQRES 3 A 148 ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER LEU SEQRES 4 A 148 GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE SEQRES 5 A 148 ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE SEQRES 6 A 148 PRO GLU PHE LEU SER LEU MET ALA ARG LYS MET LYS GLU SEQRES 7 A 148 GLN ASP SER GLU GLU GLU LEU ILE GLU ALA PHE LYS VAL SEQRES 8 A 148 PHE ASP ARG ASP GLY ASN GLY LEU ILE SER ALA ALA GLU SEQRES 9 A 148 LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR SEQRES 10 A 148 ASP ASP GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE SEQRES 11 A 148 ASP GLY ASP GLY HIS ILE ASN TYR GLU GLU PHE VAL ARG SEQRES 12 A 148 MET MET VAL SER LYS HET CA A1000 1 HET CA A1001 1 HET CA A1002 1 HET CA A1003 1 HET CA A1004 1 HETNAM CA CALCIUM ION FORMUL 2 CA 5(CA 2+) FORMUL 7 HOH *178(H2 O) HELIX 1 1 THR A 5 ASP A 20 1 16 HELIX 2 2 THR A 28 LEU A 39 1 12 HELIX 3 3 THR A 44 GLU A 54 1 11 HELIX 4 4 PHE A 65 ASP A 93 1 29 HELIX 5 5 SER A 101 LEU A 112 1 12 HELIX 6 6 THR A 117 ASP A 129 1 13 HELIX 7 7 ASN A 137 SER A 147 1 11 SHEET 1 A 2 THR A 26 ILE A 27 0 SHEET 2 A 2 ILE A 63 ASP A 64 -1 N ILE A 63 O ILE A 27 LINK OD1 ASP A 20 CA CA A1000 1555 1555 2.31 LINK OD1 ASP A 22 CA CA A1000 1555 1555 2.44 LINK OD1 ASP A 24 CA CA A1000 1555 1555 2.35 LINK O THR A 26 CA CA A1000 1555 1555 2.36 LINK OE1 GLU A 31 CA CA A1000 1555 1555 2.47 LINK OE2 GLU A 31 CA CA A1000 1555 1555 2.48 LINK OE1 GLU A 47 CA CA A1003 1555 1555 2.50 LINK OE2 GLU A 47 CA CA A1003 1555 1555 2.45 LINK OD1 ASP A 56 CA CA A1001 1555 1555 2.34 LINK OD1 ASP A 58 CA CA A1001 1555 1555 2.44 LINK OD2 ASP A 58 CA CA A1003 1545 1555 2.38 LINK OD1 ASN A 60 CA CA A1001 1555 1555 2.40 LINK O THR A 62 CA CA A1001 1555 1555 2.41 LINK OE1 GLU A 67 CA CA A1001 1555 1555 2.47 LINK OE2 GLU A 67 CA CA A1001 1555 1555 2.60 LINK OD1 ASP A 93 CA CA A1004 1555 1555 2.30 LINK OD1 ASP A 95 CA CA A1004 1555 1555 2.33 LINK OD1 ASN A 97 CA CA A1004 1555 1555 2.42 LINK O LEU A 99 CA CA A1004 1555 1555 2.28 LINK OE1 GLU A 104 CA CA A1004 1555 1555 2.46 LINK OE2 GLU A 104 CA CA A1004 1555 1555 2.54 LINK OD1 ASP A 129 CA CA A1002 1555 1555 2.30 LINK OD1 ASP A 131 CA CA A1002 1555 1555 2.35 LINK OD1 ASP A 133 CA CA A1002 1555 1555 2.39 LINK O HIS A 135 CA CA A1002 1555 1555 2.35 LINK OE1 GLU A 140 CA CA A1002 1555 1555 2.44 LINK OE2 GLU A 140 CA CA A1002 1555 1555 2.55 LINK CA CA A1000 O HOH A2122 1555 1555 2.35 LINK CA CA A1001 O HOH A2011 1555 1555 2.90 LINK CA CA A1001 O HOH A2127 1555 1555 2.42 LINK CA CA A1002 O HOH A2129 1555 1555 2.42 LINK CA CA A1003 O HOH A2123 1555 1555 2.41 LINK CA CA A1003 O HOH A2124 1555 1555 2.41 LINK CA CA A1003 O HOH A2125 1555 1555 2.40 LINK CA CA A1003 O HOH A2126 1555 1555 2.36 LINK CA CA A1004 O HOH A2128 1555 1555 2.37 SITE 1 AC1 6 ASP A 20 ASP A 22 ASP A 24 THR A 26 SITE 2 AC1 6 GLU A 31 HOH A2122 SITE 1 AC2 7 ASP A 56 ASP A 58 ASN A 60 THR A 62 SITE 2 AC2 7 GLU A 67 HOH A2011 HOH A2127 SITE 1 AC3 6 ASP A 129 ASP A 131 ASP A 133 HIS A 135 SITE 2 AC3 6 GLU A 140 HOH A2129 SITE 1 AC4 6 GLU A 47 ASP A 58 HOH A2123 HOH A2124 SITE 2 AC4 6 HOH A2125 HOH A2126 SITE 1 AC5 6 ASP A 93 ASP A 95 ASN A 97 LEU A 99 SITE 2 AC5 6 GLU A 104 HOH A2128 CRYST1 25.015 29.415 52.761 89.54 86.10 82.39 P 1 1 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 0.039976 -0.005341 -0.002731 0.00000 SCALE2 0.000000 0.034298 0.000034 0.00000 SCALE3 0.000000 0.000000 0.018997 0.00000