HEADER IRON TRANSPORT 14-MAY-97 1MRP TITLE FERRIC-BINDING PROTEIN FROM HAEMOPHILUS INFLUENZAE COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERRIC IRON BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FBP, HITA, HFBP, MAJOR IRON REGULATED PROTEIN, MIRP; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HAEMOPHILUS INFLUENZAE; SOURCE 3 ORGANISM_TAXID: 727; SOURCE 4 CELLULAR_LOCATION: PERIPLASMIC SPACE; SOURCE 5 GENE: HITA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: H-1443; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PBSJ1; SOURCE 10 EXPRESSION_SYSTEM_GENE: HITA KEYWDS FERRIC IRON BINDING PROTEIN, PERIPLASMIC BINDING PROTEIN, IRON KEYWDS 2 TRANSPORT, TRANSFERRIN SUPERFAMILY EXPDTA X-RAY DIFFRACTION AUTHOR C.M.BRUNS,A.J.NOWALK,A.S.ARVAI,M.A.MCTIGUE,K.G.VAUGHAN,T.A.MIETZNER, AUTHOR 2 D.E.MCREE REVDAT 4 14-FEB-24 1MRP 1 REMARK LINK REVDAT 3 24-FEB-09 1MRP 1 VERSN REVDAT 2 01-APR-03 1MRP 1 JRNL REVDAT 1 28-JAN-98 1MRP 0 JRNL AUTH C.M.BRUNS,A.J.NOWALK,A.S.ARVAI,M.A.MCTIGUE,K.G.VAUGHAN, JRNL AUTH 2 T.A.MIETZNER,D.E.MCREE JRNL TITL STRUCTURE OF HAEMOPHILUS INFLUENZAE FE(+3)-BINDING PROTEIN JRNL TITL 2 REVEALS CONVERGENT EVOLUTION WITHIN A SUPERFAMILY. JRNL REF NAT.STRUCT.BIOL. V. 4 919 1997 JRNL REFN ISSN 1072-8368 JRNL PMID 9360608 JRNL DOI 10.1038/NSB1197-919 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.ADHIKARI,S.D.KIRBY,A.J.NOWALK,K.L.VERALDI,A.B.SCHRYVERS, REMARK 1 AUTH 2 T.A.MIETZNER REMARK 1 TITL BIOCHEMICAL CHARACTERIZATION OF A HAEMOPHILUS INFLUENZAE REMARK 1 TITL 2 PERIPLASMIC IRON TRANSPORT OPERON REMARK 1 REF J.BIOL.CHEM. V. 270 25142 1995 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.J.NOWALK,S.B.TENCZA,T.A.MIETZNER REMARK 1 TITL COORDINATION OF IRON BY THE FERRIC IRON-BINDING PROTEIN OF REMARK 1 TITL 2 PATHOGENIC NEISSERIA IS HOMOLOGOUS TO THE TRANSFERRINS REMARK 1 REF BIOCHEMISTRY V. 33 12769 1994 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT 5E REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.3 REMARK 3 NUMBER OF REFLECTIONS : 36442 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT, EXCEPT FINAL REMARK 3 ROUND OF REFINEMENT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.174 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.700 REMARK 3 FREE R VALUE TEST SET COUNT : 3163 REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.1790 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.1740 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 8.70 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 3163 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 36442 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2382 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 166 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.015 ; 0.800 ; 2526 REMARK 3 BOND ANGLES (DEGREES) : 2.120 ; 1.500 ; 3404 REMARK 3 TORSION ANGLES (DEGREES) : 16.390; 0.000 ; 1529 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.015 ; 1.000 ; 70 REMARK 3 GENERAL PLANES (A) : 0.020 ; 3.000 ; 360 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 4.240 ; 1.300 ; 2522 REMARK 3 NON-BONDED CONTACTS (A) : 0.027 ; 10.000; 54 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : BABINET SCALING REMARK 3 KSOL : 0.79 REMARK 3 BSOL : 182.5 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT PROTGEO REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL V1.0 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MRP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000175136. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : DEC-96 REMARK 200 TEMPERATURE (KELVIN) : 292 REMARK 200 PH : 6.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36442 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 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 (%) : 93.0 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07200 REMARK 200 FOR THE DATA SET : 27.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 54.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.54 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.28200 REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: PHASES REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 4000, 400 MM IMIDAZOLE/MALATE REMARK 280 PH 6.6, 200 MM NACL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 66.09700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.22450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 66.09700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.22450 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: DIMERIC 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 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 52.44900 REMARK 350 BIOMT3 2 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 HOH A 469 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 21 CD GLU A 21 OE2 0.069 REMARK 500 GLU A 23 CD GLU A 23 OE2 0.066 REMARK 500 GLU A 167 CD GLU A 167 OE2 0.067 REMARK 500 GLU A 304 CD GLU A 304 OE2 0.075 REMARK 500 REMARK 500 REMARK: NULL 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 ASP A 1 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 1 CB - CG - OD2 ANGL. DEV. = -7.3 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = -6.3 DEGREES REMARK 500 ASP A 64 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ASP A 64 CB - CG - OD2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ASP A 108 CB - CG - OD1 ANGL. DEV. = 5.9 DEGREES REMARK 500 ASP A 108 CB - CG - OD2 ANGL. DEV. = -7.5 DEGREES REMARK 500 ASP A 116 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ASP A 247 CB - CG - OD1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ASP A 247 CB - CG - OD2 ANGL. DEV. = -7.8 DEGREES REMARK 500 ARG A 262 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ASP A 270 CB - CG - OD1 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP A 270 CB - CG - OD2 ANGL. DEV. = -6.1 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 LYS A 111 -16.17 -142.00 REMARK 500 ALA A 125 47.63 -93.21 REMARK 500 ARG A 217 -161.24 53.36 REMARK 500 ARG A 217 -161.24 62.26 REMARK 500 ASN A 238 68.24 -106.58 REMARK 500 ASN A 238 64.70 -114.13 REMARK 500 ALA A 263 47.27 -76.85 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 310 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 9 NE2 REMARK 620 2 GLU A 57 OE1 82.2 REMARK 620 3 TYR A 195 OH 91.3 83.4 REMARK 620 4 TYR A 196 OH 91.8 168.7 106.5 REMARK 620 5 PO4 A 311 O4 168.3 86.7 91.2 98.4 REMARK 620 6 HOH A 404 O 88.6 89.5 172.9 80.7 87.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: FE REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: FERRIC ION BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: PO4 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: PHOSPHATE ION BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 310 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 311 DBREF 1MRP A 1 309 UNP P35755 FBPA_HAEIN 24 332 SEQRES 1 A 309 ASP ILE THR VAL TYR ASN GLY GLN HIS LYS GLU ALA ALA SEQRES 2 A 309 THR ALA VAL ALA LYS ALA PHE GLU GLN GLU THR GLY ILE SEQRES 3 A 309 LYS VAL THR LEU ASN SER GLY LYS SER GLU GLN LEU ALA SEQRES 4 A 309 GLY GLN LEU LYS GLU GLU GLY ASP LYS THR PRO ALA ASP SEQRES 5 A 309 VAL PHE TYR THR GLU GLN THR ALA THR PHE ALA ASP LEU SEQRES 6 A 309 SER GLU ALA GLY LEU LEU ALA PRO ILE SER GLU GLN THR SEQRES 7 A 309 ILE GLN GLN THR ALA GLN LYS GLY VAL PRO LEU ALA PRO SEQRES 8 A 309 LYS LYS ASP TRP ILE ALA LEU SER GLY ARG SER ARG VAL SEQRES 9 A 309 VAL VAL TYR ASP HIS THR LYS LEU SER GLU LYS ASP MET SEQRES 10 A 309 GLU LYS SER VAL LEU ASP TYR ALA THR PRO LYS TRP LYS SEQRES 11 A 309 GLY LYS ILE GLY TYR VAL SER THR SER GLY ALA PHE LEU SEQRES 12 A 309 GLU GLN VAL VAL ALA LEU SER LYS MET LYS GLY ASP LYS SEQRES 13 A 309 VAL ALA LEU ASN TRP LEU LYS GLY LEU LYS GLU ASN GLY SEQRES 14 A 309 LYS LEU TYR ALA LYS ASN SER VAL ALA LEU GLN ALA VAL SEQRES 15 A 309 GLU ASN GLY GLU VAL PRO ALA ALA LEU ILE ASN ASN TYR SEQRES 16 A 309 TYR TRP TYR ASN LEU ALA LYS GLU LYS GLY VAL GLU ASN SEQRES 17 A 309 LEU LYS SER ARG LEU TYR PHE VAL ARG HIS GLN ASP PRO SEQRES 18 A 309 GLY ALA LEU VAL SER TYR SER GLY ALA ALA VAL LEU LYS SEQRES 19 A 309 ALA SER LYS ASN GLN ALA GLU ALA GLN LYS PHE VAL ASP SEQRES 20 A 309 PHE LEU ALA SER LYS LYS GLY GLN GLU ALA LEU VAL ALA SEQRES 21 A 309 ALA ARG ALA GLU TYR PRO LEU ARG ALA ASP VAL VAL SER SEQRES 22 A 309 PRO PHE ASN LEU GLU PRO TYR GLU LYS LEU GLU ALA PRO SEQRES 23 A 309 VAL VAL SER ALA THR THR ALA GLN ASP LYS GLU HIS ALA SEQRES 24 A 309 ILE LYS LEU ILE GLU GLU ALA GLY LEU LYS HET FE A 310 1 HET PO4 A 311 5 HETNAM FE FE (III) ION HETNAM PO4 PHOSPHATE ION FORMUL 2 FE FE 3+ FORMUL 3 PO4 O4 P 3- FORMUL 4 HOH *166(H2 O) HELIX 1 1 LYS A 10 THR A 24 1 15 HELIX 2 2 SER A 35 LYS A 48 1 14 HELIX 3 3 THR A 59 GLU A 67 5 9 HELIX 4 4 GLU A 76 THR A 82 1 7 HELIX 5 5 GLU A 114 ASP A 116 5 3 HELIX 6 6 VAL A 121 TYR A 124 5 4 HELIX 7 7 PRO A 127 TRP A 129 5 3 HELIX 8 8 GLY A 140 LYS A 153 1 14 HELIX 9 9 ASP A 155 ASN A 168 1 14 HELIX 10 10 ASN A 175 GLU A 183 1 9 HELIX 11 11 ASN A 194 LYS A 204 5 11 HELIX 12 12 VAL A 206 ASN A 208 5 3 HELIX 13 13 PRO A 221 ALA A 223 5 3 HELIX 14 14 GLN A 239 ALA A 250 1 12 HELIX 15 15 LYS A 252 ALA A 261 1 10 HELIX 16 16 TYR A 280 LEU A 283 5 4 HELIX 17 17 ALA A 293 GLU A 305 1 13 SHEET 1 A 5 VAL A 28 SER A 32 0 SHEET 2 A 5 ILE A 2 ASN A 6 1 N ILE A 2 O THR A 29 SHEET 3 A 5 VAL A 53 THR A 56 1 N VAL A 53 O TYR A 5 SHEET 4 A 5 VAL A 225 VAL A 232 -1 N ALA A 231 O PHE A 54 SHEET 5 A 5 ILE A 96 SER A 102 -1 N ARG A 101 O SER A 226 SHEET 1 B 3 ALA A 189 ASN A 193 0 SHEET 2 B 3 ARG A 103 ASP A 108 -1 N VAL A 106 O ALA A 190 SHEET 3 B 3 SER A 211 TYR A 214 -1 N TYR A 214 O VAL A 105 SHEET 1 C 2 ILE A 133 TYR A 135 0 SHEET 2 C 2 GLY A 169 LEU A 171 1 N LYS A 170 O ILE A 133 LINK NE2 HIS A 9 FE FE A 310 1555 1555 2.19 LINK OE1 GLU A 57 FE FE A 310 1555 1555 2.08 LINK OH TYR A 195 FE FE A 310 1555 1555 1.78 LINK OH TYR A 196 FE FE A 310 1555 1555 1.92 LINK FE FE A 310 O4 PO4 A 311 1555 1555 2.09 LINK FE FE A 310 O HOH A 404 1555 1555 2.02 SITE 1 FE 6 HIS A 9 GLU A 57 TYR A 195 TYR A 196 SITE 2 FE 6 PO4 A 311 HOH A 405 SITE 1 PO4 10 GLN A 58 SER A 139 GLY A 140 ALA A 141 SITE 2 PO4 10 ASN A 193 TYR A 195 FE A 310 HOH A 405 SITE 3 PO4 10 HOH A 471 HOH A 505 SITE 1 AC1 6 HIS A 9 GLU A 57 TYR A 195 TYR A 196 SITE 2 AC1 6 PO4 A 311 HOH A 404 SITE 1 AC2 13 GLU A 57 GLN A 58 ARG A 101 SER A 139 SITE 2 AC2 13 GLY A 140 ALA A 141 ASN A 175 ASN A 193 SITE 3 AC2 13 TYR A 195 TYR A 196 FE A 310 HOH A 404 SITE 4 AC2 13 HOH A 540 CRYST1 132.194 52.449 41.255 90.00 90.00 90.00 P 21 21 2 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 0.007565 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019066 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024239 0.00000