HEADER OXIDOREDUCTASE 23-MAY-14 4UN1 TITLE SIROHAEM DECARBOXYLASE AHBA/B - AN ENZYME WITH STRUCTURAL HOMOLOGY TO TITLE 2 THE LRP/ASNC TRANSCRIPTION FACTOR FAMILY THAT IS PART OF THE TITLE 3 ALTERNATIVE HAEM BIOSYNTHESIS PATHWAY. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE TRANSCRIPTIONAL REGULATOR, ASNC FAMILY; COMPND 3 CHAIN: A, C; COMPND 4 SYNONYM: AHBA DECARBOXYLASE A CHAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PUTATIVE TRANSCRIPTIONAL REGULATOR, ASNC FAMILY; COMPND 8 CHAIN: B, D; COMPND 9 SYNONYM: AHBB DECARBOXYLASE B CHAIN; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO DESULFURICANS; SOURCE 3 ORGANISM_TAXID: 876; SOURCE 4 ATCC: 27774; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET3A; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: DESULFOVIBRIO DESULFURICANS; SOURCE 12 ORGANISM_TAXID: 876; SOURCE 13 ATCC: 27774; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_VECTOR: PET3A KEYWDS OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR D.J.PALMER,D.G.BROWN,M.J.WARREN,R.W.PICKERSGILL REVDAT 3 10-JAN-24 4UN1 1 REMARK LINK REVDAT 2 30-JUL-14 4UN1 1 JRNL REVDAT 1 11-JUN-14 4UN1 0 JRNL AUTH D.J.PALMER,S.SCHROEDER,A.D.LAWRENCE,E.DEERY,S.A.LOBO, JRNL AUTH 2 L.M.SARAIVA,K.J.MCLEAN,A.W.MUNRO,S.J.FERGUSON, JRNL AUTH 3 R.W.PICKERSGILL,D.G.BROWN,M.J.WARREN JRNL TITL THE STRUCTURE, FUNCTION AND PROPERTIES OF SIROHAEM JRNL TITL 2 DECARBOXYLASE - AN ENZYME WITH STRUCTURAL HOMOLOGY TO A JRNL TITL 3 TRANSCRIPTION FACTOR FAMILY THAT IS PART OF THE ALTERNATIVE JRNL TITL 4 HAEM BIOSYNTHESIS PATHWAY. JRNL REF MOL.MICROBIOL. V. 93 247 2014 JRNL REFN ISSN 0950-382X JRNL PMID 24865947 JRNL DOI 10.1111/MMI.12656 REMARK 2 REMARK 2 RESOLUTION. 1.97 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0032 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) : 1.97 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.23 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 44314 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) : 0.205 REMARK 3 R VALUE (WORKING SET) : 0.202 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2333 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) : 1.97 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3136 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.00 REMARK 3 BIN R VALUE (WORKING SET) : 0.2590 REMARK 3 BIN FREE R VALUE SET COUNT : 165 REMARK 3 BIN FREE R VALUE : 0.3180 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4681 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 114 REMARK 3 SOLVENT ATOMS : 324 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.41 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.40000 REMARK 3 B22 (A**2) : 0.83000 REMARK 3 B33 (A**2) : -0.43000 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): 0.188 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.176 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.125 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.646 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.912 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4903 ; 0.018 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 4681 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 6677 ; 2.235 ; 1.995 REMARK 3 BOND ANGLES OTHERS (DEGREES): 10759 ; 0.981 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 596 ; 6.868 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 212 ;36.777 ;23.538 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 825 ;18.025 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 38 ;16.836 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 738 ; 0.136 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5538 ; 0.010 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 1104 ; 0.004 ; 0.020 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): 2396 ; 2.769 ; 2.621 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 2395 ; 2.768 ; 2.620 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2988 ; 4.243 ; 3.910 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2507 ; 3.412 ; 3.035 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): 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 : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 22 A 166 REMARK 3 ORIGIN FOR THE GROUP (A): -22.0220 8.4560 20.0290 REMARK 3 T TENSOR REMARK 3 T11: 0.0499 T22: 0.0566 REMARK 3 T33: 0.0946 T12: 0.0100 REMARK 3 T13: 0.0029 T23: 0.0132 REMARK 3 L TENSOR REMARK 3 L11: 0.6821 L22: 2.2974 REMARK 3 L33: 1.0640 L12: 1.0563 REMARK 3 L13: 0.3395 L23: 0.9972 REMARK 3 S TENSOR REMARK 3 S11: 0.0162 S12: 0.0856 S13: -0.0100 REMARK 3 S21: -0.1347 S22: 0.0304 S23: -0.0626 REMARK 3 S31: -0.0847 S32: -0.0086 S33: -0.0465 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 1 B 159 REMARK 3 ORIGIN FOR THE GROUP (A): -26.0990 13.7440 21.2710 REMARK 3 T TENSOR REMARK 3 T11: 0.0788 T22: 0.1018 REMARK 3 T33: 0.0554 T12: 0.0318 REMARK 3 T13: 0.0189 T23: -0.0060 REMARK 3 L TENSOR REMARK 3 L11: 0.5342 L22: 2.9796 REMARK 3 L33: 0.7398 L12: -0.1077 REMARK 3 L13: -0.0140 L23: -0.2833 REMARK 3 S TENSOR REMARK 3 S11: 0.0619 S12: 0.0695 S13: 0.0603 REMARK 3 S21: -0.2609 S22: -0.0308 S23: -0.0486 REMARK 3 S31: -0.1321 S32: -0.1105 S33: -0.0311 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : C 24 C 162 REMARK 3 ORIGIN FOR THE GROUP (A): -2.4890 -12.7260 20.8370 REMARK 3 T TENSOR REMARK 3 T11: 0.0469 T22: 0.1174 REMARK 3 T33: 0.0657 T12: 0.0552 REMARK 3 T13: 0.0092 T23: 0.0186 REMARK 3 L TENSOR REMARK 3 L11: 0.3708 L22: 2.1539 REMARK 3 L33: 1.0547 L12: 0.6538 REMARK 3 L13: 0.1975 L23: 0.7260 REMARK 3 S TENSOR REMARK 3 S11: -0.0845 S12: -0.0469 S13: 0.0325 REMARK 3 S21: -0.1158 S22: 0.1351 S23: 0.0174 REMARK 3 S31: 0.0309 S32: 0.0618 S33: -0.0505 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : D 3 D 159 REMARK 3 ORIGIN FOR THE GROUP (A): 2.3900 -19.0230 20.0860 REMARK 3 T TENSOR REMARK 3 T11: 0.0482 T22: 0.0744 REMARK 3 T33: 0.0924 T12: 0.0038 REMARK 3 T13: -0.0044 T23: 0.0325 REMARK 3 L TENSOR REMARK 3 L11: 0.2418 L22: 2.0432 REMARK 3 L33: 0.7391 L12: -0.2034 REMARK 3 L13: -0.2252 L23: 1.1517 REMARK 3 S TENSOR REMARK 3 S11: -0.0303 S12: -0.0057 S13: 0.0360 REMARK 3 S21: -0.0401 S22: 0.0181 S23: -0.0447 REMARK 3 S31: -0.0023 S32: 0.0150 S33: 0.0122 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 ADDED IN THE RIDING REMARK 3 POSITIONS. U VALUES WITH TLS ADDED. CHAINS C & D NCS OF A AND B, REMARK 3 DATA NOT SUBMITTED DUE TO TIME CONSTRAINTS. REMARK 4 REMARK 4 4UN1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 23-MAY-14. REMARK 100 THE DEPOSITION ID IS D_1290060740. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-APR-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9729978 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46648 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.970 REMARK 200 RESOLUTION RANGE LOW (A) : 44.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.3800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.97 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.90 REMARK 200 R MERGE FOR SHELL (I) : 0.80000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 4CZD REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.77 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM ACETATE PH5, 0.2M AMMONIUM REMARK 280 ACETATE, 30% PEG 4000, 0.01M BACL2, PH 5.0 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 27.65000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 75.15000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.30000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 75.15000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.65000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.30000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6680 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14960 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -33.3 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -29.9 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 MET A 1 REMARK 465 THR A 2 REMARK 465 THR A 3 REMARK 465 GLN A 4 REMARK 465 THR A 5 REMARK 465 SER A 6 REMARK 465 ALA A 7 REMARK 465 ALA A 8 REMARK 465 THR A 9 REMARK 465 GLY A 10 REMARK 465 SER A 11 REMARK 465 PRO A 12 REMARK 465 THR A 13 REMARK 465 GLN A 14 REMARK 465 GLN A 15 REMARK 465 ASN A 16 REMARK 465 ASN A 17 REMARK 465 ALA A 18 REMARK 465 ALA A 19 REMARK 465 LEU A 20 REMARK 465 ALA A 21 REMARK 465 PHE A 167 REMARK 465 ARG A 168 REMARK 465 MET A 169 REMARK 465 ASP A 170 REMARK 465 ASN A 171 REMARK 465 ASP A 172 REMARK 465 SER A 173 REMARK 465 MET B -19 REMARK 465 GLY B -18 REMARK 465 SER B -17 REMARK 465 SER B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 SER B -9 REMARK 465 SER B -8 REMARK 465 GLY B -7 REMARK 465 LEU B -6 REMARK 465 VAL B -5 REMARK 465 PRO B -4 REMARK 465 ARG B -3 REMARK 465 GLY B -2 REMARK 465 SER B -1 REMARK 465 HIS B 0 REMARK 465 MET C 1 REMARK 465 THR C 2 REMARK 465 THR C 3 REMARK 465 GLN C 4 REMARK 465 THR C 5 REMARK 465 SER C 6 REMARK 465 ALA C 7 REMARK 465 ALA C 8 REMARK 465 THR C 9 REMARK 465 GLY C 10 REMARK 465 SER C 11 REMARK 465 PRO C 12 REMARK 465 THR C 13 REMARK 465 GLN C 14 REMARK 465 GLN C 15 REMARK 465 ASN C 16 REMARK 465 ASN C 17 REMARK 465 ALA C 18 REMARK 465 ALA C 19 REMARK 465 LEU C 20 REMARK 465 ALA C 21 REMARK 465 ASP C 22 REMARK 465 MET C 23 REMARK 465 ILE C 163 REMARK 465 ARG C 164 REMARK 465 VAL C 165 REMARK 465 ASP C 166 REMARK 465 PHE C 167 REMARK 465 ARG C 168 REMARK 465 MET C 169 REMARK 465 ASP C 170 REMARK 465 ASN C 171 REMARK 465 ASP C 172 REMARK 465 SER C 173 REMARK 465 MET D -19 REMARK 465 GLY D -18 REMARK 465 SER D -17 REMARK 465 SER D -16 REMARK 465 HIS D -15 REMARK 465 HIS D -14 REMARK 465 HIS D -13 REMARK 465 HIS D -12 REMARK 465 HIS D -11 REMARK 465 HIS D -10 REMARK 465 SER D -9 REMARK 465 SER D -8 REMARK 465 GLY D -7 REMARK 465 LEU D -6 REMARK 465 VAL D -5 REMARK 465 PRO D -4 REMARK 465 ARG D -3 REMARK 465 GLY D -2 REMARK 465 SER D -1 REMARK 465 HIS D 0 REMARK 465 MET D 1 REMARK 465 SER D 2 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 22 CG OD1 OD2 REMARK 470 ARG A 164 CG CD NE CZ NH1 NH2 REMARK 470 VAL A 165 CG1 CG2 REMARK 470 ASP A 166 CG OD1 OD2 REMARK 470 HIS B 63 CG ND1 CD2 CE1 NE2 REMARK 470 GLN B 64 CG CD OE1 NE2 REMARK 470 LYS B 65 CG CD CE NZ REMARK 470 THR B 66 OG1 CG2 REMARK 470 TRP B 68 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP B 68 CZ3 CH2 REMARK 470 LYS C 70 CG CD CE NZ REMARK 470 LYS C 83 CG CD CE NZ REMARK 470 LYS C 162 CG CD CE NZ REMARK 470 HIS D 3 CG ND1 CD2 CE1 NE2 REMARK 470 LYS D 62 CG CD CE NZ 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 O HOH B 2004 O HOH B 2005 1.81 REMARK 500 O HOH A 2051 O HOH B 2061 1.84 REMARK 500 O HOH B 2042 O HOH B 2043 1.93 REMARK 500 O HOH C 2048 O HOH D 2048 2.01 REMARK 500 O HOH A 2021 O HOH D 2012 2.11 REMARK 500 NE ARG D 120 O HOH D 2055 2.15 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 ARG B 55 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG B 102 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG B 134 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG C 74 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG C 74 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG C 134 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG C 134 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG D 120 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG D 120 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG D 145 CG - CD - NE ANGL. DEV. = -12.8 DEGREES REMARK 500 ARG D 145 NE - CZ - NH1 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG D 145 NE - CZ - NH2 ANGL. DEV. = -4.7 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 162 119.55 76.11 REMARK 500 ALA B 18 -84.41 -97.61 REMARK 500 THR B 25 53.80 -141.26 REMARK 500 HIS B 63 -145.63 44.03 REMARK 500 LYS B 65 91.10 19.71 REMARK 500 THR B 66 54.10 -68.65 REMARK 500 TRP B 68 -61.26 15.40 REMARK 500 THR B 69 158.60 176.93 REMARK 500 HIS B 70 111.91 69.37 REMARK 500 ARG B 120 -75.16 -123.72 REMARK 500 ALA B 123 1.87 -68.41 REMARK 500 LYS B 139 -73.23 -135.82 REMARK 500 LEU B 144 69.16 -107.27 REMARK 500 LYS C 70 19.30 54.11 REMARK 500 TYR C 123 86.99 -68.31 REMARK 500 LEU C 155 68.43 -117.82 REMARK 500 PHE C 161 -74.04 -99.00 REMARK 500 GLN D 4 -153.29 -142.15 REMARK 500 ALA D 18 -91.25 -104.52 REMARK 500 LYS D 62 94.82 -61.07 REMARK 500 LYS D 139 -63.37 -137.85 REMARK 500 LEU D 144 71.83 -108.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2084 DISTANCE = 6.37 ANGSTROMS REMARK 525 HOH A2085 DISTANCE = 6.15 ANGSTROMS REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 ENZYMATICALLY SYNTHESISED USING METHODS AS REMARK 600 DESCRIBED IN SCHUBERT ET AT EMBO J 21:2068-2075 (2002) 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 OBV B1160 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 115 NE2 REMARK 620 2 OBV B1160 NC 92.6 REMARK 620 3 OBV B1160 ND 88.7 90.2 REMARK 620 4 OBV B1160 NB 91.3 89.4 179.7 REMARK 620 5 OBV B1160 NA 87.0 179.3 89.3 91.0 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OBV C 1163 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OBV B 1160 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4CZD RELATED DB: PDB REMARK 900 SIROHAEM DECARBOXYLASE AHBA/B - AN ENZYME WITH STRUCTURAL HOMOLOGY REMARK 900 TO THE LRP/ASNC TRANSCRIPTION FACTOR FAMILY THAT IS PART OF THE REMARK 900 ALTERNATIVE HAEM BIOSYNTHESIS PATHWAY. DBREF 4UN1 A 1 173 UNP B8J364 B8J364_DESDA 1 173 DBREF 4UN1 B 1 159 UNP B8J3A4 B8J3A4_DESDA 1 159 DBREF 4UN1 C 1 173 UNP B8J364 B8J364_DESDA 1 173 DBREF 4UN1 D 1 159 UNP B8J3A4 B8J3A4_DESDA 1 159 SEQADV 4UN1 MET B -19 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 GLY B -18 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER B -17 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER B -16 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS B -15 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS B -14 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS B -13 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS B -12 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS B -11 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS B -10 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER B -9 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER B -8 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 GLY B -7 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 LEU B -6 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 VAL B -5 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 PRO B -4 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 ARG B -3 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 GLY B -2 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER B -1 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS B 0 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 MET D -19 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 GLY D -18 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER D -17 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER D -16 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS D -15 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS D -14 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS D -13 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS D -12 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS D -11 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS D -10 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER D -9 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER D -8 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 GLY D -7 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 LEU D -6 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 VAL D -5 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 PRO D -4 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 ARG D -3 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 GLY D -2 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 SER D -1 UNP B8J3A4 EXPRESSION TAG SEQADV 4UN1 HIS D 0 UNP B8J3A4 EXPRESSION TAG SEQRES 1 A 173 MET THR THR GLN THR SER ALA ALA THR GLY SER PRO THR SEQRES 2 A 173 GLN GLN ASN ASN ALA ALA LEU ALA ASP MET ASP SER MET SEQRES 3 A 173 ASP ARG GLN LEU LEU ASP ILE ILE GLN THR GLY PHE PRO SEQRES 4 A 173 LEU SER PRO ARG PRO TYR ALA GLU LEU GLY GLN ARG LEU SEQRES 5 A 173 GLY LEU ASP GLU GLN GLU VAL LEU ASP ARG VAL ARG GLY SEQRES 6 A 173 LEU LYS ALA ARG LYS ILE ILE ARG ARG LEU GLY ALA ASN SEQRES 7 A 173 PHE GLN SER ALA LYS LEU GLY PHE VAL SER THR LEU CYS SEQRES 8 A 173 ALA ALA LYS VAL PRO GLN ASP LYS MET ASP ALA PHE VAL SEQRES 9 A 173 ALA GLU VAL ASN ALA LYS PRO GLY VAL THR HIS ASN TYR SEQRES 10 A 173 LEU ARG GLU HIS ASP TYR ASN ILE TRP PHE THR LEU ILE SEQRES 11 A 173 SER PRO SER ARG GLU GLU THR GLN ALA ILE LEU ASP GLY SEQRES 12 A 173 ILE THR GLN ALA THR GLY VAL PRO ILE LEU ASN LEU PRO SEQRES 13 A 173 ALA THR LYS LEU PHE LYS ILE ARG VAL ASP PHE ARG MET SEQRES 14 A 173 ASP ASN ASP SER SEQRES 1 B 179 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 B 179 LEU VAL PRO ARG GLY SER HIS MET SER HIS GLN PHE SER SEQRES 3 B 179 PRO GLU GLU GLN ALA VAL LEU ARG ILE VAL GLN ALA ASN SEQRES 4 B 179 LEU PRO ASP SER LEU THR PRO TYR ALA ASP LEU ALA GLU SEQRES 5 B 179 GLN ALA GLY MET THR GLU ALA GLN VAL LEU GLU LEU LEU SEQRES 6 B 179 GLY ARG LEU LYS ALA SER GLY ALA ILE ARG ARG PHE GLY SEQRES 7 B 179 ALA SER ILE LYS HIS GLN LYS THR GLY TRP THR HIS ASN SEQRES 8 B 179 ALA MET VAL ALA TRP LYS VAL THR PRO ASP GLN VAL ASP SEQRES 9 B 179 ASP CYS GLY ARG LYS ALA ALA GLU HIS SER HIS ILE SER SEQRES 10 B 179 HIS VAL TYR TYR ARG PRO SER SER ALA PRO ASP TRP PRO SEQRES 11 B 179 TYR GLU MET TYR THR MET ILE HIS GLY ARG SER GLU ALA SEQRES 12 B 179 GLU CYS LEU GLY VAL VAL GLU ASP VAL LYS ARG THR THR SEQRES 13 B 179 SER LEU LYS GLU HIS ALA ILE LEU ARG SER LEU LYS GLU SEQRES 14 B 179 LEU LYS LYS THR SER MET THR TYR PHE THR SEQRES 1 C 173 MET THR THR GLN THR SER ALA ALA THR GLY SER PRO THR SEQRES 2 C 173 GLN GLN ASN ASN ALA ALA LEU ALA ASP MET ASP SER MET SEQRES 3 C 173 ASP ARG GLN LEU LEU ASP ILE ILE GLN THR GLY PHE PRO SEQRES 4 C 173 LEU SER PRO ARG PRO TYR ALA GLU LEU GLY GLN ARG LEU SEQRES 5 C 173 GLY LEU ASP GLU GLN GLU VAL LEU ASP ARG VAL ARG GLY SEQRES 6 C 173 LEU LYS ALA ARG LYS ILE ILE ARG ARG LEU GLY ALA ASN SEQRES 7 C 173 PHE GLN SER ALA LYS LEU GLY PHE VAL SER THR LEU CYS SEQRES 8 C 173 ALA ALA LYS VAL PRO GLN ASP LYS MET ASP ALA PHE VAL SEQRES 9 C 173 ALA GLU VAL ASN ALA LYS PRO GLY VAL THR HIS ASN TYR SEQRES 10 C 173 LEU ARG GLU HIS ASP TYR ASN ILE TRP PHE THR LEU ILE SEQRES 11 C 173 SER PRO SER ARG GLU GLU THR GLN ALA ILE LEU ASP GLY SEQRES 12 C 173 ILE THR GLN ALA THR GLY VAL PRO ILE LEU ASN LEU PRO SEQRES 13 C 173 ALA THR LYS LEU PHE LYS ILE ARG VAL ASP PHE ARG MET SEQRES 14 C 173 ASP ASN ASP SER SEQRES 1 D 179 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 D 179 LEU VAL PRO ARG GLY SER HIS MET SER HIS GLN PHE SER SEQRES 3 D 179 PRO GLU GLU GLN ALA VAL LEU ARG ILE VAL GLN ALA ASN SEQRES 4 D 179 LEU PRO ASP SER LEU THR PRO TYR ALA ASP LEU ALA GLU SEQRES 5 D 179 GLN ALA GLY MET THR GLU ALA GLN VAL LEU GLU LEU LEU SEQRES 6 D 179 GLY ARG LEU LYS ALA SER GLY ALA ILE ARG ARG PHE GLY SEQRES 7 D 179 ALA SER ILE LYS HIS GLN LYS THR GLY TRP THR HIS ASN SEQRES 8 D 179 ALA MET VAL ALA TRP LYS VAL THR PRO ASP GLN VAL ASP SEQRES 9 D 179 ASP CYS GLY ARG LYS ALA ALA GLU HIS SER HIS ILE SER SEQRES 10 D 179 HIS VAL TYR TYR ARG PRO SER SER ALA PRO ASP TRP PRO SEQRES 11 D 179 TYR GLU MET TYR THR MET ILE HIS GLY ARG SER GLU ALA SEQRES 12 D 179 GLU CYS LEU GLY VAL VAL GLU ASP VAL LYS ARG THR THR SEQRES 13 D 179 SER LEU LYS GLU HIS ALA ILE LEU ARG SER LEU LYS GLU SEQRES 14 D 179 LEU LYS LYS THR SER MET THR TYR PHE THR HET OBV B1160 57 HET OBV C1163 57 HETNAM OBV 12,18-DIDECARBOXY-SIROHEME FORMUL 5 OBV 2(C40 H44 FE N4 O12 2+) FORMUL 7 HOH *324(H2 O) HELIX 1 1 ASP A 24 PHE A 38 1 15 HELIX 2 2 ARG A 43 GLY A 53 1 11 HELIX 3 3 ASP A 55 ARG A 69 1 15 HELIX 4 4 SER A 81 GLY A 85 5 5 HELIX 5 5 LYS A 99 ALA A 109 1 11 HELIX 6 6 SER A 133 GLY A 149 1 17 HELIX 7 7 SER B 6 GLN B 17 1 12 HELIX 8 8 THR B 25 ALA B 34 1 10 HELIX 9 9 THR B 37 GLY B 52 1 16 HELIX 10 10 THR B 79 ASP B 81 5 3 HELIX 11 11 GLN B 82 GLU B 92 1 11 HELIX 12 12 SER B 121 THR B 136 1 16 HELIX 13 13 ASP C 24 PHE C 38 1 15 HELIX 14 14 ARG C 43 LEU C 52 1 10 HELIX 15 15 ASP C 55 ARG C 69 1 15 HELIX 16 16 SER C 81 GLY C 85 5 5 HELIX 17 17 PRO C 96 ASP C 98 5 3 HELIX 18 18 LYS C 99 ALA C 109 1 11 HELIX 19 19 SER C 133 GLY C 149 1 17 HELIX 20 20 SER D 6 GLN D 17 1 12 HELIX 21 21 THR D 25 GLY D 35 1 11 HELIX 22 22 THR D 37 SER D 51 1 15 HELIX 23 23 THR D 79 ASP D 81 5 3 HELIX 24 24 GLN D 82 GLU D 92 1 11 HELIX 25 25 SER D 121 THR D 136 1 16 SHEET 1 AA 2 ILE A 72 PHE A 79 0 SHEET 2 AA 2 ILE B 54 ILE B 61 -1 N ARG B 55 O ASN A 78 SHEET 1 AB 5 LEU A 153 ASN A 154 0 SHEET 2 AB 5 VAL A 87 ALA A 93 -1 O ALA A 92 N LEU A 153 SHEET 3 AB 5 ILE A 125 SER A 131 -1 O ILE A 125 N ALA A 93 SHEET 4 AB 5 HIS A 115 ARG A 119 -1 O HIS A 115 N THR A 128 SHEET 5 AB 5 SER B 146 LYS B 152 -1 N LEU B 147 O LEU A 118 SHEET 1 AC 5 LYS A 159 PHE A 161 0 SHEET 2 AC 5 ILE B 96 TYR B 101 -1 O VAL B 99 N PHE A 161 SHEET 3 AC 5 MET B 113 GLY B 119 -1 O TYR B 114 N TYR B 100 SHEET 4 AC 5 THR B 69 TRP B 76 -1 O THR B 69 N GLY B 119 SHEET 5 AC 5 HIS B 141 ILE B 143 -1 O ALA B 142 N ALA B 75 SHEET 1 CA 2 ILE C 72 PHE C 79 0 SHEET 2 CA 2 ILE D 54 ILE D 61 -1 N ARG D 55 O ASN C 78 SHEET 1 CB 5 ILE C 152 LEU C 155 0 SHEET 2 CB 5 VAL C 87 ALA C 93 -1 O LEU C 90 N LEU C 155 SHEET 3 CB 5 ILE C 125 SER C 131 -1 O ILE C 125 N ALA C 93 SHEET 4 CB 5 VAL C 113 ARG C 119 -1 O HIS C 115 N THR C 128 SHEET 5 CB 5 SER D 146 LYS D 152 -1 N LEU D 147 O LEU C 118 SHEET 1 CC 5 LYS C 159 LEU C 160 0 SHEET 2 CC 5 ILE D 96 TYR D 101 -1 N TYR D 101 O LYS C 159 SHEET 3 CC 5 MET D 113 GLY D 119 -1 O TYR D 114 N TYR D 100 SHEET 4 CC 5 HIS D 70 TRP D 76 -1 O HIS D 70 N GLY D 119 SHEET 5 CC 5 HIS D 141 ILE D 143 -1 O ALA D 142 N ALA D 75 LINK NE2 HIS A 115 FE OBV B1160 1555 1555 2.47 SITE 1 AC1 16 SER C 81 THR C 114 HIS C 115 ARG C 119 SITE 2 AC1 16 ILE C 130 HOH C2038 HOH C2048 ASN D 71 SITE 3 AC1 16 HIS D 98 TYR D 100 ARG D 102 MET D 116 SITE 4 AC1 16 LYS D 152 THR D 153 SER D 154 HOH D2048 SITE 1 AC2 14 SER A 88 THR A 114 HIS A 115 TYR A 117 SITE 2 AC2 14 ARG A 119 ILE A 130 ASN B 71 HIS B 98 SITE 3 AC2 14 TYR B 100 MET B 116 LYS B 152 MET B 155 SITE 4 AC2 14 TYR B 157 HOH B2053 CRYST1 55.300 78.600 150.300 90.00 90.00 90.00 P 21 21 21 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 0.018083 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012723 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006653 0.00000