HEADER METAL BINDING PROTEIN 16-FEB-07 2OWS TITLE CRYSTAL STRUCTURE OF BORDETELLA PERTUSSIS HOLO FERRIC TITLE 2 BINDING PROTEIN BOUND WITH TWO SYNERGISTIC OXALATE ANIONS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE IRON BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BORDETELLA PERTUSSIS TOHAMA I; SOURCE 3 ORGANISM_TAXID: 257313; SOURCE 4 STRAIN: TOHAMA I; SOURCE 5 GENE: BFBPA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); 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: PET28A KEYWDS ALPHA-BETA-ALPHA UNITS, ANTI-PARALLEL BETA-STRANDS HINGE KEYWDS 2 REGION, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.A.L.TOM-YEW,M.E.P.MURPHY REVDAT 2 24-FEB-09 2OWS 1 VERSN REVDAT 1 26-FEB-08 2OWS 0 JRNL AUTH S.A.L.TOM-YEW,B.H.SHILTON,E.G.BEKKER,E.I.TOCHEVA, JRNL AUTH 2 M.E.P.MURPHY JRNL TITL ANION-DEPENDENT HINGE MOTION IN FERRIC BINDING JRNL TITL 2 PROTEINS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.49 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON 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) : 35.74 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.6 REMARK 3 NUMBER OF REFLECTIONS : 45900 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) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2474 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) : 3069 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.72 REMARK 3 BIN R VALUE (WORKING SET) : 0.2180 REMARK 3 BIN FREE R VALUE SET COUNT : 163 REMARK 3 BIN FREE R VALUE : 0.2320 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2436 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 254 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.02 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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): 0.080 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.079 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.042 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.080 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.949 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.941 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2494 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3385 ; 1.238 ; 1.970 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 322 ; 5.370 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 106 ;34.175 ;24.057 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 423 ;14.033 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 18 ;16.293 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 380 ; 0.077 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1898 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1262 ; 0.202 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1753 ; 0.306 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 207 ; 0.094 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.100 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 46 ; 0.212 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 23 ; 0.081 ; 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): 1619 ; 0.721 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2537 ; 1.184 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 982 ; 1.938 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 848 ; 2.957 ; 4.500 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 : 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 REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 2OWS COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-FEB-07. REMARK 100 THE RCSB ID CODE IS RCSB041681. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-FEB-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL1-5 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97944 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL, SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48404 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.490 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 (%) : 91.6 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.2000 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) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.18400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.300 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 26% PEG 2000, 0.1M MES, 3.6 MM REMARK 280 OXALATE , VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 294.15K 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 29.61850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.48850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.72650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.48850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.61850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.72650 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 300 REMARK: THE BIOLOGICAL UNIT IS THE MONOMER. 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 GLY A 1 REMARK 465 SER A 2 REMARK 465 HIS A 3 REMARK 465 MET A 4 REMARK 465 SER A 5 REMARK 465 THR A 229 REMARK 465 ALA A 230 REMARK 465 LYS A 231 REMARK 465 ASP A 232 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OE1 GLU A 314 O HOH A 573 2.16 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 ASP A 63 126.49 90.21 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 FE A 324 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 143 OH REMARK 620 2 TYR A 200 OH 92.6 REMARK 620 3 OXL A 326 O2 90.0 102.7 REMARK 620 4 OXL A 325 O2 179.4 87.4 89.4 REMARK 620 5 OXL A 326 O1 93.4 173.8 75.6 86.5 REMARK 620 6 OXL A 325 O1 105.9 91.1 158.5 74.7 88.9 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 FE A 324 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXL A 325 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXL A 326 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Y9U RELATED DB: PDB REMARK 900 APO FORM OF SAME PROTEIN DBREF 2OWS A 5 323 UNP Q7VXW9 Q7VXW9_BORPE 31 349 SEQADV 2OWS GLY A 1 UNP Q7VXW9 EXPRESSION TAG SEQADV 2OWS SER A 2 UNP Q7VXW9 EXPRESSION TAG SEQADV 2OWS HIS A 3 UNP Q7VXW9 EXPRESSION TAG SEQADV 2OWS MET A 4 UNP Q7VXW9 EXPRESSION TAG SEQRES 1 A 323 GLY SER HIS MET SER ASP GLU VAL SER LEU TYR THR THR SEQRES 2 A 323 ARG GLU PRO LYS LEU ILE GLN PRO LEU LEU ASP ALA PHE SEQRES 3 A 323 ALA LYS ASP SER GLY ILE LYS VAL ASN THR VAL PHE VAL SEQRES 4 A 323 LYS ASP GLY LEU LEU GLU ARG VAL ARG ALA GLU GLY ASP SEQRES 5 A 323 LYS SER PRO ALA ASP VAL LEU MET THR VAL ASP ILE GLY SEQRES 6 A 323 ASN LEU ILE ASP LEU VAL ASN GLY GLY VAL THR GLN LYS SEQRES 7 A 323 ILE GLN SER GLN THR LEU ASP SER VAL VAL PRO ALA ASN SEQRES 8 A 323 LEU ARG GLY ALA GLU GLY SER TRP TYR ALA LEU SER LEU SEQRES 9 A 323 ARG ASP ARG VAL LEU TYR VAL GLU LYS ASP LEU LYS LEU SEQRES 10 A 323 ASP SER PHE ARG TYR GLY ASP LEU ALA ASP PRO LYS TRP SEQRES 11 A 323 LYS GLY LYS VAL CYS ILE ARG SER GLY GLN HIS PRO TYR SEQRES 12 A 323 ASN THR ALA LEU VAL ALA ALA MET ILE ALA HIS ASP GLY SEQRES 13 A 323 ALA GLU ALA THR GLU LYS TRP LEU ARG GLY VAL LYS ALA SEQRES 14 A 323 ASN LEU ALA ARG LYS ALA ALA GLY GLY ASP ARG ASP VAL SEQRES 15 A 323 ALA ARG ASP ILE LEU GLY GLY ILE CYS ASP ILE GLY LEU SEQRES 16 A 323 ALA ASN ALA TYR TYR VAL GLY HIS MET LYS ASN ALA GLU SEQRES 17 A 323 PRO GLY THR ASP ALA ARG LYS TRP GLY ASP ALA ILE LYS SEQRES 18 A 323 VAL VAL ARG PRO THR PHE ALA THR ALA LYS ASP GLY GLY SEQRES 19 A 323 THR HIS VAL ASN ILE SER GLY ALA ALA VAL ALA ALA HIS SEQRES 20 A 323 ALA PRO ASN LYS ALA ASN ALA VAL LYS LEU LEU GLU TYR SEQRES 21 A 323 LEU VAL SER GLU PRO ALA GLN THR LEU TYR ALA GLN ALA SEQRES 22 A 323 ASN TYR GLU TYR PRO VAL ARG ALA GLY VAL LYS LEU ASP SEQRES 23 A 323 ALA VAL VAL ALA SER PHE GLY PRO LEU LYS VAL ASP THR SEQRES 24 A 323 LEU PRO VAL ALA GLU ILE ALA LYS TYR ARG LYS GLN ALA SEQRES 25 A 323 SER GLU LEU VAL ASP LYS VAL GLY PHE ASP ASN HET FE A 324 1 HET OXL A 325 6 HET OXL A 326 6 HETNAM FE FE (III) ION HETNAM OXL OXALATE ION FORMUL 2 FE FE 3+ FORMUL 3 OXL 2(C2 O4 2-) FORMUL 5 HOH *254(H2 O) HELIX 1 1 GLU A 15 LEU A 18 5 4 HELIX 2 2 ILE A 19 GLY A 31 1 13 HELIX 3 3 GLY A 42 GLY A 51 1 10 HELIX 4 4 ASP A 52 SER A 54 5 3 HELIX 5 5 ASP A 63 GLY A 73 1 11 HELIX 6 6 SER A 81 VAL A 88 1 8 HELIX 7 7 PRO A 89 ARG A 93 5 5 HELIX 8 8 GLY A 94 SER A 98 5 5 HELIX 9 9 ARG A 121 LYS A 131 5 11 HELIX 10 10 HIS A 141 GLY A 156 1 16 HELIX 11 11 GLY A 156 LEU A 171 1 16 HELIX 12 12 ASP A 179 GLY A 188 1 10 HELIX 13 13 ALA A 198 ASN A 206 1 9 HELIX 14 14 THR A 211 ALA A 219 1 9 HELIX 15 15 ASN A 250 VAL A 262 1 13 HELIX 16 16 SER A 263 ASN A 274 1 12 HELIX 17 17 ASP A 286 PHE A 292 1 7 HELIX 18 18 VAL A 302 VAL A 319 1 18 SHEET 1 A 5 LYS A 33 PHE A 38 0 SHEET 2 A 5 GLU A 7 THR A 12 1 N LEU A 10 O VAL A 37 SHEET 3 A 5 VAL A 58 VAL A 62 1 O VAL A 58 N TYR A 11 SHEET 4 A 5 VAL A 237 ALA A 245 -1 O ALA A 243 N LEU A 59 SHEET 5 A 5 THR A 76 GLN A 77 -1 N GLN A 77 O VAL A 244 SHEET 1 B 6 LYS A 33 PHE A 38 0 SHEET 2 B 6 GLU A 7 THR A 12 1 N LEU A 10 O VAL A 37 SHEET 3 B 6 VAL A 58 VAL A 62 1 O VAL A 58 N TYR A 11 SHEET 4 B 6 VAL A 237 ALA A 245 -1 O ALA A 243 N LEU A 59 SHEET 5 B 6 TYR A 100 GLU A 112 -1 N ARG A 105 O ASN A 238 SHEET 6 B 6 ILE A 220 VAL A 223 -1 O VAL A 223 N LEU A 109 SHEET 1 C 7 LYS A 33 PHE A 38 0 SHEET 2 C 7 GLU A 7 THR A 12 1 N LEU A 10 O VAL A 37 SHEET 3 C 7 VAL A 58 VAL A 62 1 O VAL A 58 N TYR A 11 SHEET 4 C 7 VAL A 237 ALA A 245 -1 O ALA A 243 N LEU A 59 SHEET 5 C 7 TYR A 100 GLU A 112 -1 N ARG A 105 O ASN A 238 SHEET 6 C 7 ILE A 193 ASN A 197 -1 O GLY A 194 N TYR A 110 SHEET 7 C 7 VAL A 134 CYS A 135 1 N CYS A 135 O ILE A 193 SHEET 1 D 6 LYS A 33 PHE A 38 0 SHEET 2 D 6 GLU A 7 THR A 12 1 N LEU A 10 O VAL A 37 SHEET 3 D 6 VAL A 58 VAL A 62 1 O VAL A 58 N TYR A 11 SHEET 4 D 6 VAL A 237 ALA A 245 -1 O ALA A 243 N LEU A 59 SHEET 5 D 6 TYR A 100 GLU A 112 -1 N ARG A 105 O ASN A 238 SHEET 6 D 6 TYR A 277 PRO A 278 -1 O TYR A 277 N LEU A 104 SSBOND 1 CYS A 135 CYS A 191 1555 1555 2.07 LINK OH TYR A 143 FE FE A 324 1555 1555 2.05 LINK OH TYR A 200 FE FE A 324 1555 1555 1.86 LINK FE FE A 324 O2 OXL A 326 1555 1555 2.10 LINK FE FE A 324 O2 OXL A 325 1555 1555 2.19 LINK FE FE A 324 O1 OXL A 326 1555 1555 2.20 LINK FE FE A 324 O1 OXL A 325 1555 1555 2.17 SITE 1 AC1 2 TYR A 143 TYR A 200 SITE 1 AC2 8 ARG A 137 TYR A 143 GLY A 178 ASP A 179 SITE 2 AC2 8 ARG A 180 TYR A 200 HOH A 339 HOH A 519 SITE 1 AC3 6 ARG A 14 TYR A 143 TYR A 200 HOH A 384 SITE 2 AC3 6 HOH A 501 HOH A 546 CRYST1 59.237 71.453 74.977 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 0.016881 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013995 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013337 0.00000