HEADER ISOMERASE 09-FEB-12 4DOK TITLE CRYSTAL STRUCTURE OF ARABIDOPSIS THALIANA CHALCONE-ISOMERASE LIKE TITLE 2 PROTEIN AT5G05270 (ATCHIL) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIMILARITY TO CHALCONE-FLAVONONE ISOMERASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 3 ORGANISM_COMMON: MOUSE-EAR CRESS,THALE-CRESS; SOURCE 4 ORGANISM_TAXID: 3702; SOURCE 5 GENE: AT5G05270; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PHIS8 KEYWDS CHALCONE-ISOMERASE LIKE PROTEIN, CHALCONE-ISOMERASE LIKE FOLD, KEYWDS 2 ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.P.NOEL,G.V.LOUIE,M.E.BOWMAN REVDAT 3 28-FEB-24 4DOK 1 REMARK SEQADV LINK REVDAT 2 06-JUN-12 4DOK 1 JRNL REVDAT 1 09-MAY-12 4DOK 0 JRNL AUTH M.N.NGAKI,G.V.LOUIE,R.N.PHILIPPE,G.MANNING,F.POJER, JRNL AUTH 2 M.E.BOWMAN,L.LI,E.LARSEN,E.S.WURTELE,J.P.NOEL JRNL TITL EVOLUTION OF THE CHALCONE-ISOMERASE FOLD FROM FATTY-ACID JRNL TITL 2 BINDING TO STEREOSPECIFIC CATALYSIS. JRNL REF NATURE V. 485 530 2012 JRNL REFN ISSN 0028-0836 JRNL PMID 22622584 JRNL DOI 10.1038/NATURE11009 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.22 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) (%) : 89.1 REMARK 3 NUMBER OF REFLECTIONS : 46244 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) : 0.192 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.500 REMARK 3 FREE R VALUE TEST SET COUNT : 2341 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 : 46 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.71 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 872 REMARK 3 BIN R VALUE (WORKING SET) : 0.2925 REMARK 3 BIN FREE R VALUE : 0.3505 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 40 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 : 3258 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 356 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.67 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.85600 REMARK 3 B22 (A**2) : 0.15900 REMARK 3 B33 (A**2) : 2.69700 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -2.01000 REMARK 3 B23 (A**2) : 0.00000 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) : 1.232 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.737 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.541 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.001 ; 2.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.554 ; 4.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 37.33 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ACT.PAR REMARK 3 PARAMETER FILE 4 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MAXIMUM LIKELIHOOD REMARK 4 REMARK 4 4DOK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-FEB-12. REMARK 100 THE DEPOSITION ID IS D_1000070587. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-APR-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM Q315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA 3.2.21 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49989 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 37.222 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.1 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : 0.06200 REMARK 200 FOR THE DATA SET : 11.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.45100 REMARK 200 R SYM FOR SHELL (I) : 0.45100 REMARK 200 FOR SHELL : 1.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD, MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP, SOLVE 2.11 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM TAPS, 28% (W/V) PEG 8000, REMARK 280 0.2 M CALCIUM ACETATE, 2 MM DITHIOTHREITOL, PH 8.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 57.99850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.93450 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 57.99850 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 32.93450 REMARK 290 SMTRY3 4 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 CA CA B 301 LIES ON A SPECIAL POSITION. 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 THR A 19 -103.37 -105.79 REMARK 500 GLU A 120 -169.69 -107.79 REMARK 500 ASN A 142 1.92 81.53 REMARK 500 THR B 19 -114.54 -107.42 REMARK 500 HIS B 36 -121.97 58.75 REMARK 500 TYR B 119 76.12 -112.10 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 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 121 OE2 REMARK 620 2 GLU A 121 OE1 52.7 REMARK 620 3 GLU A 122 OE2 77.4 108.3 REMARK 620 4 GLU A 122 OE1 72.5 68.1 48.0 REMARK 620 5 HOH A 475 O 146.1 160.5 79.3 108.5 REMARK 620 6 HOH A 479 O 133.8 82.0 132.8 101.4 80.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 120 OE2 REMARK 620 2 GLU B 120 OE1 49.6 REMARK 620 3 ACT B 302 O 112.7 65.5 REMARK 620 4 HOH B 483 O 101.8 80.1 80.8 REMARK 620 N 1 2 3 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4DOI RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF ARABIDOPSIS THALIANA CHALCONE ISOMERASE REMARK 900 AT3G55120 (ATCHI) DBREF 4DOK A 5 209 UNP Q9FLC7 Q9FLC7_ARATH 1 205 DBREF 4DOK B 5 209 UNP Q9FLC7 Q9FLC7_ARATH 1 205 SEQADV 4DOK SER A 2 UNP Q9FLC7 EXPRESSION TAG SEQADV 4DOK THR A 3 UNP Q9FLC7 EXPRESSION TAG SEQADV 4DOK GLY A 4 UNP Q9FLC7 EXPRESSION TAG SEQADV 4DOK SER B 2 UNP Q9FLC7 EXPRESSION TAG SEQADV 4DOK THR B 3 UNP Q9FLC7 EXPRESSION TAG SEQADV 4DOK GLY B 4 UNP Q9FLC7 EXPRESSION TAG SEQRES 1 A 208 SER THR GLY MET VAL MET VAL HIS GLU VAL PRO PHE PRO SEQRES 2 A 208 PRO GLN ILE ILE THR SER LYS PRO LEU SER LEU LEU GLY SEQRES 3 A 208 GLN GLY ILE THR ASP ILE GLU ILE HIS PHE LEU GLN VAL SEQRES 4 A 208 LYS PHE THR ALA ILE GLY VAL TYR LEU ASP PRO SER ASP SEQRES 5 A 208 VAL LYS THR HIS LEU ASP ASN TRP LYS GLY LYS THR GLY SEQRES 6 A 208 LYS GLU LEU ALA GLY ASP ASP ASP PHE PHE ASP ALA LEU SEQRES 7 A 208 ALA SER ALA GLU MET GLU LYS VAL ILE ARG VAL VAL VAL SEQRES 8 A 208 ILE LYS GLU ILE LYS GLY ALA GLN TYR GLY VAL GLN LEU SEQRES 9 A 208 GLU ASN THR VAL ARG ASP ARG LEU ALA GLU GLU ASP LYS SEQRES 10 A 208 TYR GLU GLU GLU GLU GLU THR GLU LEU GLU LYS VAL VAL SEQRES 11 A 208 GLY PHE PHE GLN SER LYS TYR PHE LYS ALA ASN SER VAL SEQRES 12 A 208 ILE THR TYR HIS PHE SER ALA LYS ASP GLY ILE CYS GLU SEQRES 13 A 208 ILE GLY PHE GLU THR GLU GLY LYS GLU GLU GLU LYS LEU SEQRES 14 A 208 LYS VAL GLU ASN ALA ASN VAL VAL GLY MET MET GLN ARG SEQRES 15 A 208 TRP TYR LEU SER GLY SER ARG GLY VAL SER PRO SER THR SEQRES 16 A 208 ILE VAL SER ILE ALA ASP SER ILE SER ALA VAL LEU THR SEQRES 1 B 208 SER THR GLY MET VAL MET VAL HIS GLU VAL PRO PHE PRO SEQRES 2 B 208 PRO GLN ILE ILE THR SER LYS PRO LEU SER LEU LEU GLY SEQRES 3 B 208 GLN GLY ILE THR ASP ILE GLU ILE HIS PHE LEU GLN VAL SEQRES 4 B 208 LYS PHE THR ALA ILE GLY VAL TYR LEU ASP PRO SER ASP SEQRES 5 B 208 VAL LYS THR HIS LEU ASP ASN TRP LYS GLY LYS THR GLY SEQRES 6 B 208 LYS GLU LEU ALA GLY ASP ASP ASP PHE PHE ASP ALA LEU SEQRES 7 B 208 ALA SER ALA GLU MET GLU LYS VAL ILE ARG VAL VAL VAL SEQRES 8 B 208 ILE LYS GLU ILE LYS GLY ALA GLN TYR GLY VAL GLN LEU SEQRES 9 B 208 GLU ASN THR VAL ARG ASP ARG LEU ALA GLU GLU ASP LYS SEQRES 10 B 208 TYR GLU GLU GLU GLU GLU THR GLU LEU GLU LYS VAL VAL SEQRES 11 B 208 GLY PHE PHE GLN SER LYS TYR PHE LYS ALA ASN SER VAL SEQRES 12 B 208 ILE THR TYR HIS PHE SER ALA LYS ASP GLY ILE CYS GLU SEQRES 13 B 208 ILE GLY PHE GLU THR GLU GLY LYS GLU GLU GLU LYS LEU SEQRES 14 B 208 LYS VAL GLU ASN ALA ASN VAL VAL GLY MET MET GLN ARG SEQRES 15 B 208 TRP TYR LEU SER GLY SER ARG GLY VAL SER PRO SER THR SEQRES 16 B 208 ILE VAL SER ILE ALA ASP SER ILE SER ALA VAL LEU THR HET CA A 301 1 HET CA A 302 1 HET CA B 301 1 HET ACT B 302 4 HETNAM CA CALCIUM ION HETNAM ACT ACETATE ION FORMUL 3 CA 3(CA 2+) FORMUL 6 ACT C2 H3 O2 1- FORMUL 7 HOH *356(H2 O) HELIX 1 1 ASP A 50 LEU A 58 1 9 HELIX 2 2 ASP A 59 LYS A 62 5 4 HELIX 3 3 THR A 65 GLY A 71 1 7 HELIX 4 4 ASP A 72 ALA A 82 1 11 HELIX 5 5 GLY A 98 GLU A 116 1 19 HELIX 6 6 GLU A 120 SER A 136 1 17 HELIX 7 7 ASN A 174 LEU A 186 1 13 HELIX 8 8 SER A 193 THR A 209 1 17 HELIX 9 9 ASP B 50 LEU B 58 1 9 HELIX 10 10 ASP B 59 LYS B 62 5 4 HELIX 11 11 THR B 65 GLY B 71 1 7 HELIX 12 12 ASP B 72 ALA B 82 1 11 HELIX 13 13 GLY B 98 GLU B 116 1 19 HELIX 14 14 GLU B 120 SER B 136 1 17 HELIX 15 15 ASN B 174 LEU B 186 1 13 HELIX 16 16 SER B 193 THR B 209 1 17 SHEET 1 A 2 VAL A 6 VAL A 8 0 SHEET 2 A 2 VAL A 11 PHE A 13 -1 O VAL A 11 N VAL A 8 SHEET 1 B 7 GLN A 16 ILE A 18 0 SHEET 2 B 7 PRO A 22 ILE A 35 -1 O LEU A 23 N ILE A 17 SHEET 3 B 7 LEU A 38 LEU A 49 -1 O ILE A 45 N GLY A 29 SHEET 4 B 7 LYS A 86 VAL A 92 -1 O VAL A 87 N TYR A 48 SHEET 5 B 7 VAL A 144 PHE A 149 -1 O ILE A 145 N VAL A 90 SHEET 6 B 7 CYS A 156 GLU A 161 -1 O GLU A 161 N VAL A 144 SHEET 7 B 7 GLU A 168 VAL A 172 -1 O VAL A 172 N CYS A 156 SHEET 1 C 2 ILE A 96 LYS A 97 0 SHEET 2 C 2 TYR A 138 PHE A 139 -1 O PHE A 139 N ILE A 96 SHEET 1 D 2 VAL B 6 VAL B 8 0 SHEET 2 D 2 VAL B 11 PHE B 13 -1 O PHE B 13 N VAL B 6 SHEET 1 E 7 GLN B 16 ILE B 18 0 SHEET 2 E 7 PRO B 22 ILE B 35 -1 O LEU B 23 N ILE B 17 SHEET 3 E 7 LEU B 38 LEU B 49 -1 O ILE B 45 N GLY B 29 SHEET 4 E 7 LYS B 86 VAL B 92 -1 O VAL B 87 N TYR B 48 SHEET 5 E 7 VAL B 144 PHE B 149 -1 O ILE B 145 N VAL B 90 SHEET 6 E 7 CYS B 156 GLU B 161 -1 O GLU B 161 N VAL B 144 SHEET 7 E 7 GLU B 168 VAL B 172 -1 O VAL B 172 N CYS B 156 SHEET 1 F 2 ILE B 96 LYS B 97 0 SHEET 2 F 2 TYR B 138 PHE B 139 -1 O PHE B 139 N ILE B 96 LINK OE2 GLU A 121 CA CA A 301 1555 1555 2.30 LINK OE1 GLU A 121 CA CA A 301 1555 1555 2.61 LINK OE2 GLU A 121 CA CA A 302 1555 1555 2.38 LINK OE2 GLU A 122 CA CA A 301 1555 1555 2.58 LINK OE1 GLU A 122 CA CA A 301 1555 1555 2.79 LINK CA CA A 301 O HOH A 475 1555 1555 2.38 LINK CA CA A 301 O HOH A 479 1555 1555 2.61 LINK OE2 GLU B 120 CA CA B 301 1555 1555 2.49 LINK OE1 GLU B 120 CA CA B 301 1555 1555 2.71 LINK CA CA B 301 O ACT B 302 1555 1555 2.35 LINK CA CA B 301 O HOH B 483 1555 1555 2.27 SITE 1 AC1 6 GLU A 121 GLU A 122 HOH A 475 HOH A 479 SITE 2 AC1 6 ACT B 302 HOH B 426 SITE 1 AC2 6 GLU A 121 ASP B 117 GLU B 120 GLU B 121 SITE 2 AC2 6 ACT B 302 HOH B 455 SITE 1 AC3 3 GLU B 120 ACT B 302 HOH B 483 SITE 1 AC4 10 GLU A 121 GLU A 122 CA A 301 CA A 302 SITE 2 AC4 10 ASP B 117 GLU B 120 CA B 301 HOH B 426 SITE 3 AC4 10 HOH B 455 HOH B 483 CRYST1 115.997 65.869 70.245 90.00 117.15 90.00 C 1 2 1 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 0.008621 0.000000 0.004421 0.00000 SCALE2 0.000000 0.015182 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015999 0.00000