HEADER OXIDOREDUCTASE 24-APR-12 4ETL TITLE CRYSTALLOGRAPHIC STRUCTURE OF PHENYLALANINE HYDROXYLASE FROM TITLE 2 CHROMOBACTERIUM VIOLACEUM F258A MUTATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHENYLALANINE-4-HYDROXYLASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PAH, PHE-4-MONOOXYGENASE; COMPND 5 EC: 1.14.16.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CHROMOBACTERIUM VIOLACEUM; SOURCE 3 ORGANISM_TAXID: 243365; SOURCE 4 STRAIN: ATCC 12472 / DSM 30191 / JCM 1249 / NBRC 12614 / NCIMB 9131 SOURCE 5 / NCTC 9757; SOURCE 6 GENE: PHHA, CV_3180; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: ROSETTA2; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PGEX-6P1 KEYWDS MUTATION, MIXED ALPHA HELIX-BETA SHEET, HYDROXYLASE, PHENYLALANINE, KEYWDS 2 5, 6, 7, 8-TETRAHYDROBIOPTERIN, FE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.A.RONAU,L.P.PAUL,I.R.CORN,K.T.WAGNER,M.M.ABU-OMAR,C.DAS REVDAT 5 13-SEP-23 4ETL 1 REMARK LINK REVDAT 4 20-NOV-19 4ETL 1 SEQADV LINK REVDAT 3 28-AUG-13 4ETL 1 JRNL REVDAT 2 31-JUL-13 4ETL 1 JRNL REVDAT 1 08-MAY-13 4ETL 0 JRNL AUTH J.A.RONAU,L.N.PAUL,J.E.FUCHS,I.R.CORN,K.T.WAGNER,K.R.LIEDL, JRNL AUTH 2 M.M.ABU-OMAR,C.DAS JRNL TITL AN ADDITIONAL SUBSTRATE BINDING SITE IN A BACTERIAL JRNL TITL 2 PHENYLALANINE HYDROXYLASE. JRNL REF EUR.BIOPHYS.J. V. 42 691 2013 JRNL REFN ISSN 0175-7571 JRNL PMID 23860686 JRNL DOI 10.1007/S00249-013-0919-8 REMARK 2 REMARK 2 RESOLUTION. 1.49 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 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) : 1.49 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.68 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 36920 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) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1876 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) : 1.49 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.53 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1770 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 62.43 REMARK 3 BIN R VALUE (WORKING SET) : 0.2300 REMARK 3 BIN FREE R VALUE SET COUNT : 86 REMARK 3 BIN FREE R VALUE : 0.3170 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2212 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 183 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.56 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.03000 REMARK 3 B22 (A**2) : 0.04000 REMARK 3 B33 (A**2) : 0.03000 REMARK 3 B12 (A**2) : 0.13000 REMARK 3 B13 (A**2) : -0.01000 REMARK 3 B23 (A**2) : -0.10000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.110 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.088 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.065 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.923 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.967 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.952 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2301 ; 0.007 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3141 ; 1.248 ; 1.962 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 282 ; 5.309 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 109 ;34.441 ;23.578 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 362 ;13.482 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 15 ;14.854 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 340 ; 0.090 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1795 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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): 2301 ; 1.735 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 54 ;27.651 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 2365 ;18.638 ; 5.000 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 4ETL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-12. REMARK 100 THE DEPOSITION ID IS D_1000072052. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-MAR-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.033 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 300 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36922 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.490 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : 0.05900 REMARK 200 FOR THE DATA SET : 20.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.49 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.52 REMARK 200 COMPLETENESS FOR SHELL (%) : 59.7 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1LTU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M NA-HEPES, 0.001M MAGNESIUM REMARK 280 CHLORIDE HEXAHYDRATE, 0.005M NICKEL (II) CHLORIDE HEXAHYDRATE, REMARK 280 15% W/V PEG 3,350, PH 7.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K 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 GLY A -4 REMARK 465 LEU A -3 REMARK 465 PRO A -2 REMARK 465 GLY A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 ASN A 2 REMARK 465 ASP A 3 REMARK 465 ARG A 4 REMARK 465 ALA A 5 REMARK 465 ASP A 6 REMARK 465 ASN A 284 REMARK 465 ALA A 285 REMARK 465 GLY A 286 REMARK 465 ASP A 287 REMARK 465 HIS A 288 REMARK 465 GLN A 289 REMARK 465 GLY A 290 REMARK 465 TRP A 291 REMARK 465 ALA A 292 REMARK 465 ASP A 293 REMARK 465 THR A 294 REMARK 465 GLU A 295 REMARK 465 ASP A 296 REMARK 465 VAL A 297 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 ASP A 267 CG OD1 OD2 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 ARG A 58 -56.52 -123.25 REMARK 500 TYR A 130 137.19 -172.00 REMARK 500 THR A 182 -79.35 -120.29 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 CO A 302 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 22 NE2 REMARK 620 2 GLU A 68 OE2 45.9 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO A 301 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 138 NE2 REMARK 620 2 HIS A 143 NE2 95.2 REMARK 620 3 GLU A 184 OE1 99.0 92.8 REMARK 620 4 GLU A 184 OE2 158.0 94.4 60.7 REMARK 620 5 HOH A 404 O 96.4 90.4 163.9 103.3 REMARK 620 6 HOH A 481 O 87.3 174.6 91.6 84.9 84.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3TCY RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH A MUTATION IN THE DISTAL PHENYLALANINE REMARK 900 BINDING SITE REMARK 900 RELATED ID: 4ESM RELATED DB: PDB REMARK 900 CRYSTALLOGRAPHIC STRUCTURE OF PHENYLALANINE HYDROXYLASE FROM REMARK 900 CHROMOBACTERIUM VIOLACEUM Y155A MUTATION DBREF 4ETL A 1 297 UNP P30967 PH4H_CHRVO 1 297 SEQADV 4ETL GLY A -4 UNP P30967 EXPRESSION TAG SEQADV 4ETL LEU A -3 UNP P30967 EXPRESSION TAG SEQADV 4ETL PRO A -2 UNP P30967 EXPRESSION TAG SEQADV 4ETL GLY A -1 UNP P30967 EXPRESSION TAG SEQADV 4ETL SER A 0 UNP P30967 EXPRESSION TAG SEQADV 4ETL LEU A 64 UNP P30967 MET 64 CONFLICT SEQADV 4ETL GLU A 85 UNP P30967 GLN 85 CONFLICT SEQADV 4ETL ALA A 258 UNP P30967 PHE 258 ENGINEERED MUTATION SEQADV 4ETL ILE A 276 UNP P30967 VAL 276 CONFLICT SEQADV 4ETL HIS A 288 UNP P30967 ARG 288 CONFLICT SEQRES 1 A 302 GLY LEU PRO GLY SER MET ASN ASP ARG ALA ASP PHE VAL SEQRES 2 A 302 VAL PRO ASP ILE THR THR ARG LYS ASN VAL GLY LEU SER SEQRES 3 A 302 HIS ASP ALA ASN ASP PHE THR LEU PRO GLN PRO LEU ASP SEQRES 4 A 302 ARG TYR SER ALA GLU ASP HIS ALA THR TRP ALA THR LEU SEQRES 5 A 302 TYR GLN ARG GLN CYS LYS LEU LEU PRO GLY ARG ALA CYS SEQRES 6 A 302 ASP GLU PHE LEU GLU GLY LEU GLU ARG LEU GLU VAL ASP SEQRES 7 A 302 ALA ASP ARG VAL PRO ASP PHE ASN LYS LEU ASN GLU LYS SEQRES 8 A 302 LEU MET ALA ALA THR GLY TRP LYS ILE VAL ALA VAL PRO SEQRES 9 A 302 GLY LEU ILE PRO ASP ASP VAL PHE PHE GLU HIS LEU ALA SEQRES 10 A 302 ASN ARG ARG PHE PRO VAL THR TRP TRP LEU ARG GLU PRO SEQRES 11 A 302 HIS GLN LEU ASP TYR LEU GLN GLU PRO ASP VAL PHE HIS SEQRES 12 A 302 ASP LEU PHE GLY HIS VAL PRO LEU LEU ILE ASN PRO VAL SEQRES 13 A 302 PHE ALA ASP TYR LEU GLU ALA TYR GLY LYS GLY GLY VAL SEQRES 14 A 302 LYS ALA LYS ALA LEU GLY ALA LEU PRO MET LEU ALA ARG SEQRES 15 A 302 LEU TYR TRP TYR THR VAL GLU PHE GLY LEU ILE ASN THR SEQRES 16 A 302 PRO ALA GLY MET ARG ILE TYR GLY ALA GLY ILE LEU SER SEQRES 17 A 302 SER LYS SER GLU SER ILE TYR CYS LEU ASP SER ALA SER SEQRES 18 A 302 PRO ASN ARG VAL GLY PHE ASP LEU MET ARG ILE MET ASN SEQRES 19 A 302 THR ARG TYR ARG ILE ASP THR PHE GLN LYS THR TYR PHE SEQRES 20 A 302 VAL ILE ASP SER PHE LYS GLN LEU PHE ASP ALA THR ALA SEQRES 21 A 302 PRO ASP ALA ALA PRO LEU TYR LEU GLN LEU ALA ASP ALA SEQRES 22 A 302 GLN PRO TRP GLY ALA GLY ASP ILE ALA PRO ASP ASP LEU SEQRES 23 A 302 VAL LEU ASN ALA GLY ASP HIS GLN GLY TRP ALA ASP THR SEQRES 24 A 302 GLU ASP VAL HET CO A 301 1 HET CO A 302 1 HETNAM CO COBALT (II) ION FORMUL 2 CO 2(CO 2+) FORMUL 4 HOH *183(H2 O) HELIX 1 1 ASP A 11 ASN A 17 1 7 HELIX 2 2 PRO A 32 TYR A 36 5 5 HELIX 3 3 SER A 37 LEU A 55 1 19 HELIX 4 4 CYS A 60 LEU A 70 1 11 HELIX 5 5 ASP A 79 GLY A 92 1 14 HELIX 6 6 PRO A 103 ASN A 113 1 11 HELIX 7 7 GLU A 124 LEU A 128 5 5 HELIX 8 8 ASP A 135 VAL A 144 1 10 HELIX 9 9 PRO A 145 ILE A 148 5 4 HELIX 10 10 ASN A 149 GLY A 162 1 14 HELIX 11 11 GLY A 162 LEU A 169 1 8 HELIX 12 12 ALA A 171 THR A 182 1 12 HELIX 13 13 GLY A 198 SER A 203 1 6 HELIX 14 14 SER A 206 SER A 214 1 9 HELIX 15 15 ASP A 223 ASN A 229 1 7 HELIX 16 16 SER A 246 ALA A 255 1 10 HELIX 17 17 ALA A 258 ASP A 267 1 10 SHEET 1 A 2 LYS A 94 VAL A 98 0 SHEET 2 A 2 ARG A 115 THR A 119 1 O PHE A 116 N LYS A 94 SHEET 1 B 4 ARG A 195 ILE A 196 0 SHEET 2 B 4 LEU A 187 ILE A 188 -1 N ILE A 188 O ARG A 195 SHEET 3 B 4 THR A 240 ILE A 244 1 O ILE A 244 N LEU A 187 SHEET 4 B 4 ASN A 218 GLY A 221 1 N VAL A 220 O VAL A 243 LINK NE2 HIS A 22 CO CO A 302 1555 1555 2.04 LINK OE2 GLU A 68 CO CO A 302 1555 1455 2.11 LINK NE2 HIS A 138 CO CO A 301 1555 1555 1.98 LINK NE2 HIS A 143 CO CO A 301 1555 1555 2.09 LINK OE1 GLU A 184 CO CO A 301 1555 1555 2.22 LINK OE2 GLU A 184 CO CO A 301 1555 1555 2.10 LINK CO CO A 301 O HOH A 404 1555 1555 2.11 LINK CO CO A 301 O HOH A 481 1555 1555 2.10 SITE 1 AC1 5 HIS A 138 HIS A 143 GLU A 184 HOH A 404 SITE 2 AC1 5 HOH A 481 SITE 1 AC2 3 HIS A 22 GLU A 68 HOH A 495 CRYST1 36.780 38.553 48.044 76.47 73.00 85.36 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 0.027189 -0.002208 -0.008025 0.00000 SCALE2 0.000000 0.026024 -0.005887 0.00000 SCALE3 0.000000 0.000000 0.022316 0.00000