HEADER OXYGEN TRANSPORT 12-MAR-98 1A7E TITLE HYDROXOMET MYOHEMERYTHRIN FROM THEMISTE ZOSTERICOLA COMPND MOL_ID: 1; COMPND 2 MOLECULE: MYOHEMERYTHRIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: CONTAINS A HYDROXY-DIIRON-OXO (FE1-O-FE2) MOIETY COMPND 7 (CFO). SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THEMISTE ZOSTERICOLA; SOURCE 3 ORGANISM_TAXID: 6437; SOURCE 4 CELL_LINE: BL21; SOURCE 5 TISSUE: RETRACTOR MUSCLES; 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_PLASMID: PL103N KEYWDS NONHEME IRON OXYGEN CARRIER, OXYGEN TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR L.J.MARTINS,C.P.HILL,W.R.ELLIS JUNIOR REVDAT 4 03-NOV-21 1A7E 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1A7E 1 VERSN REVDAT 2 01-APR-03 1A7E 1 JRNL REVDAT 1 14-OCT-98 1A7E 0 JRNL AUTH L.J.MARTINS,C.P.HILL,W.R.ELLIS JR. JRNL TITL STRUCTURES OF WILD-TYPE CHLOROMET AND L103N HYDROXOMET JRNL TITL 2 THEMISTE ZOSTERICOLA MYOHEMERYTHRINS AT 1.8 A RESOLUTION. JRNL REF BIOCHEMISTRY V. 36 7044 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9188702 JRNL DOI 10.1021/BI9630422 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 87.3 REMARK 3 NUMBER OF REFLECTIONS : 10508 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) : 0.186 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1087 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 63.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 680 REMARK 3 BIN R VALUE (WORKING SET) : 0.2360 REMARK 3 BIN FREE R VALUE : 0.2830 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 69 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.034 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 973 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 204 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.10 REMARK 3 LOW RESOLUTION CUTOFF (A) : 10.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.03 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.017 REMARK 3 BOND ANGLES (DEGREES) : 2.660 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.460 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.760 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.110 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.710 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.680 ; 2.500 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1A7E 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_1000170485. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : AUG-88 REMARK 200 TEMPERATURE (KELVIN) : 119 REMARK 200 PH : 7.0 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 : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : R-AXIS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11853 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.740 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.2 REMARK 200 DATA REDUNDANCY : 8.600 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.8 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 27% PEG 6K, 100MM HEPES, 1.0M LICL (PH REMARK 280 7.0) 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 20.94250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 18.34250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.58500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 18.34250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.94250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.58500 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: 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 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 HH TYR A 98 H2 HOH A 125 0.93 REMARK 500 H2 HOH A 156 H1 HOH A 237 0.97 REMARK 500 HG1 THR A 110 H1 HOH A 262 0.98 REMARK 500 H LYS A 94 H2 HOH A 300 1.10 REMARK 500 H ALA A 89 H1 HOH A 169 1.18 REMARK 500 HD1 HIS A 106 H1 HOH A 185 1.24 REMARK 500 HD1 HIS A 73 H2 HOH A 261 1.25 REMARK 500 HZ1 LYS A 78 H2 HOH A 371 1.26 REMARK 500 H2 HOH A 136 H1 HOH A 256 1.28 REMARK 500 H2 HOH A 138 H2 HOH A 386 1.32 REMARK 500 HD22 ASN A 105 H2 HOH A 291 1.33 REMARK 500 HG1 THR A 110 O HOH A 262 1.59 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 H2 HOH A 318 H2 HOH A 319 2565 1.33 REMARK 500 REMARK 500 REMARK: NULL 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 HIS A 54 NE2 HIS A 54 CD2 -0.075 REMARK 500 HIS A 57 NE2 HIS A 57 CD2 -0.070 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 TRP A 2 CD1 - CG - CD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 TRP A 2 CE2 - CD2 - CG ANGL. DEV. = -5.5 DEGREES REMARK 500 TRP A 10 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP A 10 CE2 - CD2 - CG ANGL. DEV. = -6.4 DEGREES REMARK 500 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 GLU A 23 OE1 - CD - OE2 ANGL. DEV. = 9.8 DEGREES REMARK 500 TRP A 102 CD1 - CG - CD2 ANGL. DEV. = 8.1 DEGREES REMARK 500 TRP A 102 CB - CG - CD1 ANGL. DEV. = -8.0 DEGREES REMARK 500 TRP A 102 CG - CD1 - NE1 ANGL. DEV. = -6.6 DEGREES REMARK 500 TRP A 102 CE2 - CD2 - CG ANGL. DEV. = -6.3 DEGREES 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 OFO A 119 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 25 NE2 REMARK 620 2 OFO A 119 O 163.9 REMARK 620 3 OFO A 119 OH 79.3 84.5 REMARK 620 4 HIS A 54 NE2 79.7 101.0 92.0 REMARK 620 5 GLU A 58 OE2 105.0 91.2 175.3 87.0 REMARK 620 6 ASP A 111 OD2 87.7 94.1 96.0 163.6 86.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 OFO A 119 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 58 OE1 REMARK 620 2 OFO A 119 O 90.6 REMARK 620 3 HIS A 73 NE2 82.3 172.5 REMARK 620 4 HIS A 77 NE2 89.5 99.8 82.8 REMARK 620 5 HIS A 106 NE2 175.7 91.5 95.4 93.8 REMARK 620 6 ASP A 111 OD1 91.1 94.9 82.8 165.3 85.0 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 CL A 132 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OFO A 119 DBREF 1A7E A 1 118 UNP P02247 HEMTM_THEZO 1 118 SEQADV 1A7E ASN A 103 UNP P02247 LEU 103 ENGINEERED MUTATION SEQRES 1 A 118 GLY TRP GLU ILE PRO GLU PRO TYR VAL TRP ASP GLU SER SEQRES 2 A 118 PHE ARG VAL PHE TYR GLU GLN LEU ASP GLU GLU HIS LYS SEQRES 3 A 118 LYS ILE PHE LYS GLY ILE PHE ASP CYS ILE ARG ASP ASN SEQRES 4 A 118 SER ALA PRO ASN LEU ALA THR LEU VAL LYS VAL THR THR SEQRES 5 A 118 ASN HIS PHE THR HIS GLU GLU ALA MET MET ASP ALA ALA SEQRES 6 A 118 LYS TYR SER GLU VAL VAL PRO HIS LYS LYS MET HIS LYS SEQRES 7 A 118 ASP PHE LEU GLU LYS ILE GLY GLY LEU SER ALA PRO VAL SEQRES 8 A 118 ASP ALA LYS ASN VAL ASP TYR CYS LYS GLU TRP ASN VAL SEQRES 9 A 118 ASN HIS ILE LYS GLY THR ASP PHE LYS TYR LYS GLY LYS SEQRES 10 A 118 LEU HET CL A 132 1 HET CL A 402 1 HET OFO A 119 5 HETNAM CL CHLORIDE ION HETNAM OFO HYDROXY DIIRON-OXO MOIETY FORMUL 2 CL 2(CL 1-) FORMUL 4 OFO FE2 H O2 FORMUL 5 HOH *204(H2 O) HELIX 1 1 GLU A 12 PHE A 14 5 3 HELIX 2 2 GLU A 19 ARG A 37 1 19 HELIX 3 3 ALA A 41 ALA A 64 1 24 HELIX 4 4 VAL A 70 GLY A 86 1 17 HELIX 5 5 ALA A 93 GLY A 109 1 17 HELIX 6 6 ASP A 111 TYR A 114 5 4 LINK NE2 HIS A 25 FE2 OFO A 119 1555 1555 2.20 LINK NE2 HIS A 54 FE2 OFO A 119 1555 1555 2.19 LINK OE1 GLU A 58 FE1 OFO A 119 1555 1555 2.09 LINK OE2 GLU A 58 FE2 OFO A 119 1555 1555 2.12 LINK NE2 HIS A 73 FE1 OFO A 119 1555 1555 2.24 LINK NE2 HIS A 77 FE1 OFO A 119 1555 1555 2.20 LINK NE2 HIS A 106 FE1 OFO A 119 1555 1555 2.18 LINK OD1 ASP A 111 FE1 OFO A 119 1555 1555 2.14 LINK OD2 ASP A 111 FE2 OFO A 119 1555 1555 2.07 CISPEP 1 GLU A 6 PRO A 7 0 -6.59 CISPEP 2 ALA A 89 PRO A 90 0 -5.85 SITE 1 AC1 2 GLU A 19 LYS A 108 SITE 1 AC2 4 ASP A 92 ASN A 95 LYS A 117 HOH A 195 SITE 1 AC3 10 HIS A 25 HIS A 54 PHE A 55 GLU A 58 SITE 2 AC3 10 HIS A 73 HIS A 77 HIS A 106 ILE A 107 SITE 3 AC3 10 ASP A 111 HOH A 355 CRYST1 41.885 81.170 36.685 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 0.023875 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012320 0.000000 0.00000 SCALE3 0.000000 0.000000 0.027259 0.00000