HEADER OXIDOREDUCTASE 09-JUL-97 1AOQ TITLE CYTOCHROME CD1 NITRITE REDUCTASE WITH SUBSTRATE AND PRODUCT BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRITE REDUCTASE; COMPND 3 CHAIN: A, B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PARACOCCUS PANTOTROPHUS; SOURCE 3 ORGANISM_TAXID: 82367; SOURCE 4 CELLULAR_LOCATION: PERIPLASM KEYWDS OXIDOREDUCTASE, ENZYME, NITRITE REDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR P.A.WILLIAMS,V.FULOP REVDAT 4 23-OCT-24 1AOQ 1 REMARK REVDAT 3 05-JUN-24 1AOQ 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1AOQ 1 VERSN REVDAT 1 04-FEB-98 1AOQ 0 JRNL AUTH P.A.WILLIAMS,V.FULOP,E.F.GARMAN,N.F.SAUNDERS,S.J.FERGUSON, JRNL AUTH 2 J.HAJDU JRNL TITL HAEM-LIGAND SWITCHING DURING CATALYSIS IN CRYSTALS OF A JRNL TITL 2 NITROGEN-CYCLE ENZYME. JRNL REF NATURE V. 389 406 1997 JRNL REFN ISSN 0028-0836 JRNL PMID 9311786 JRNL DOI 10.1038/38775 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) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.0 REMARK 3 NUMBER OF REFLECTIONS : 101286 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) : 0.176 REMARK 3 FREE R VALUE : 0.197 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4081 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2463 REMARK 3 BIN R VALUE (WORKING SET) : 0.1785 REMARK 3 BIN FREE R VALUE : 0.2202 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 105 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 8641 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 189 REMARK 3 SOLVENT ATOMS : 1108 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : CONSTRAINED 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19X.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AOQ 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_1000171071. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-APR-95 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 : ESRF REMARK 200 BEAMLINE : ID09 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.88 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL 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 : 101329 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 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 (%) : 94.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.02900 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.07200 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 (%): 48.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.3 M AMMONIUM SULFATE 50MM POTASSIUM REMARK 280 PHOSPHATE PH 7.0 CRYSTALS WERE REDUCED USING 16MM SODIUM REMARK 280 DITHIONITE. CRYSTAL 2 SOAKED IN NITRITE. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 30.30000 REMARK 290 SMTRY3 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7880 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 37020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 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 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 GLN A 1 REMARK 465 GLU A 2 REMARK 465 GLN A 3 REMARK 465 VAL A 4 REMARK 465 ALA A 5 REMARK 465 PRO A 6 REMARK 465 PRO A 7 REMARK 465 LYS A 8 REMARK 465 ASP A 9 REMARK 465 PRO A 10 REMARK 465 ALA A 11 REMARK 465 ALA A 12 REMARK 465 ALA A 13 REMARK 465 LEU A 14 REMARK 465 GLU A 15 REMARK 465 ASP A 16 REMARK 465 GLN B 1 REMARK 465 GLU B 2 REMARK 465 GLN B 3 REMARK 465 VAL B 4 REMARK 465 ALA B 5 REMARK 465 PRO B 6 REMARK 465 PRO B 7 REMARK 465 LYS B 8 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 ALA A 360 N - CA - C ANGL. DEV. = -17.2 DEGREES REMARK 500 GLY A 390 N - CA - C ANGL. DEV. = -16.8 DEGREES REMARK 500 GLY B 390 N - CA - C ANGL. DEV. = -16.9 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 ALA A 76 -109.82 -133.44 REMARK 500 ALA A 101 -162.58 95.17 REMARK 500 ASN A 108 -37.78 75.08 REMARK 500 ARG A 174 -74.21 -37.50 REMARK 500 ALA A 198 87.67 36.88 REMARK 500 GLU A 297 58.13 -142.82 REMARK 500 ALA A 301 -125.77 -103.33 REMARK 500 LYS A 317 -74.12 -51.13 REMARK 500 ASN A 332 76.59 -107.70 REMARK 500 ALA A 340 -101.45 -122.79 REMARK 500 PHE A 343 33.53 76.90 REMARK 500 HIS A 345 -93.00 -132.58 REMARK 500 THR A 386 69.85 60.77 REMARK 500 ALA A 437 -145.05 -114.66 REMARK 500 ALA A 458 45.09 -149.32 REMARK 500 GLN A 507 103.83 56.30 REMARK 500 THR A 554 -100.26 -127.84 REMARK 500 TYR B 25 31.95 -98.06 REMARK 500 ALA B 76 -105.58 -134.02 REMARK 500 ALA B 101 -169.73 91.54 REMARK 500 ASN B 108 -44.90 72.74 REMARK 500 LEU B 173 77.31 -107.95 REMARK 500 ARG B 174 -81.22 -31.75 REMARK 500 ALA B 198 118.57 -29.61 REMARK 500 ALA B 301 -126.95 -101.61 REMARK 500 LYS B 317 -74.77 -50.68 REMARK 500 ASN B 332 73.11 -109.69 REMARK 500 ALA B 340 -102.52 -124.62 REMARK 500 PHE B 343 35.49 73.71 REMARK 500 HIS B 345 -90.27 -133.92 REMARK 500 THR B 386 71.39 60.55 REMARK 500 ALA B 437 -143.41 -114.29 REMARK 500 ALA B 458 48.13 -152.16 REMARK 500 GLN B 502 79.79 -110.01 REMARK 500 GLN B 507 105.59 56.04 REMARK 500 THR B 554 -99.75 -128.79 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 HEM A 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 17 NE2 REMARK 620 2 HEM A 601 NA 84.8 REMARK 620 3 HEM A 601 NB 86.4 88.5 REMARK 620 4 HEM A 601 NC 93.9 177.3 89.1 REMARK 620 5 HEM A 601 ND 92.3 91.2 178.7 91.2 REMARK 620 6 HIS A 69 NE2 177.6 94.3 91.3 86.9 90.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 DHE A 602 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 200 NE2 REMARK 620 2 DHE A 602 NA 88.4 REMARK 620 3 DHE A 602 NB 89.0 90.5 REMARK 620 4 DHE A 602 NC 91.4 178.7 90.8 REMARK 620 5 DHE A 602 ND 91.1 90.1 179.3 88.6 REMARK 620 6 2NO A 603 N 176.5 89.2 88.6 91.1 91.4 REMARK 620 7 2NO A 603 O1 158.8 106.5 105.5 73.4 74.3 24.6 REMARK 620 8 2NO A 603 O2 156.7 72.2 78.7 108.3 101.5 20.0 44.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 17 NE2 REMARK 620 2 HEM B 601 NA 89.0 REMARK 620 3 HEM B 601 NB 87.7 89.4 REMARK 620 4 HEM B 601 NC 90.1 178.5 91.7 REMARK 620 5 HEM B 601 ND 90.6 89.9 178.2 89.0 REMARK 620 6 HIS B 69 NE2 178.3 92.7 92.2 88.2 89.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 DHE B 602 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 200 NE2 REMARK 620 2 DHE B 602 NA 88.7 REMARK 620 3 DHE B 602 NB 88.1 90.7 REMARK 620 4 DHE B 602 NC 92.1 178.9 90.0 REMARK 620 5 DHE B 602 ND 91.1 90.1 178.8 89.1 REMARK 620 6 NO B 603 N 177.5 88.8 91.7 90.4 89.3 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 HEM A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DHE A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2NO A 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DHE B 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO B 603 DBREF 1AOQ A 1 567 UNP P72181 NIRS_PARPN 30 596 DBREF 1AOQ B 1 567 UNP P72181 NIRS_PARPN 30 596 SEQADV 1AOQ MET A 160 UNP P72181 GLU 189 CONFLICT SEQADV 1AOQ SER A 185 UNP P72181 THR 214 CONFLICT SEQADV 1AOQ THR A 191 UNP P72181 SER 220 CONFLICT SEQADV 1AOQ ASN A 331 UNP P72181 ASP 360 CONFLICT SEQADV 1AOQ MET B 160 UNP P72181 GLU 189 CONFLICT SEQADV 1AOQ SER B 185 UNP P72181 THR 214 CONFLICT SEQADV 1AOQ THR B 191 UNP P72181 SER 220 CONFLICT SEQADV 1AOQ ASN B 331 UNP P72181 ASP 360 CONFLICT SEQRES 1 A 567 GLN GLU GLN VAL ALA PRO PRO LYS ASP PRO ALA ALA ALA SEQRES 2 A 567 LEU GLU ASP HIS LYS THR ARG THR ASP ASN ARG TYR GLU SEQRES 3 A 567 PRO SER LEU ASP ASN LEU ALA GLN GLN ASP VAL ALA ALA SEQRES 4 A 567 PRO GLY ALA PRO GLU GLY VAL THR ALA LEU SER ASP ALA SEQRES 5 A 567 GLN TYR ASN GLU ALA ASN LYS ILE TYR PHE GLU ARG CYS SEQRES 6 A 567 ALA GLY CYS HIS GLY VAL LEU ARG LYS GLY ALA THR GLY SEQRES 7 A 567 LYS ALA LEU THR PRO ASP LEU THR ARG ASP LEU GLY PHE SEQRES 8 A 567 ASP TYR LEU GLN SER PHE ILE THR TYR ALA SER PRO ALA SEQRES 9 A 567 GLY MET PRO ASN TRP GLY THR SER GLY GLU LEU SER ALA SEQRES 10 A 567 GLU GLN VAL ASP LEU MET ALA ASN TYR LEU LEU LEU ASP SEQRES 11 A 567 PRO ALA ALA PRO PRO GLU PHE GLY MET LYS GLU MET ARG SEQRES 12 A 567 GLU SER TRP LYS VAL HIS VAL ALA PRO GLU ASP ARG PRO SEQRES 13 A 567 THR GLN GLN MET ASN ASP TRP ASP LEU GLU ASN LEU PHE SEQRES 14 A 567 SER VAL THR LEU ARG ASP ALA GLY GLN ILE ALA LEU ILE SEQRES 15 A 567 ASP GLY SER THR TYR GLU ILE LYS THR VAL LEU ASP THR SEQRES 16 A 567 GLY TYR ALA VAL HIS ILE SER ARG LEU SER ALA SER GLY SEQRES 17 A 567 ARG TYR LEU PHE VAL ILE GLY ARG ASP GLY LYS VAL ASN SEQRES 18 A 567 MET ILE ASP LEU TRP MET LYS GLU PRO THR THR VAL ALA SEQRES 19 A 567 GLU ILE LYS ILE GLY SER GLU ALA ARG SER ILE GLU THR SEQRES 20 A 567 SER LYS MET GLU GLY TRP GLU ASP LYS TYR ALA ILE ALA SEQRES 21 A 567 GLY ALA TYR TRP PRO PRO GLN TYR VAL ILE MET ASP GLY SEQRES 22 A 567 GLU THR LEU GLU PRO LYS LYS ILE GLN SER THR ARG GLY SEQRES 23 A 567 MET THR TYR ASP GLU GLN GLU TYR HIS PRO GLU PRO ARG SEQRES 24 A 567 VAL ALA ALA ILE LEU ALA SER HIS TYR ARG PRO GLU PHE SEQRES 25 A 567 ILE VAL ASN VAL LYS GLU THR GLY LYS ILE LEU LEU VAL SEQRES 26 A 567 ASP TYR THR ASP LEU ASN ASN LEU LYS THR THR GLU ILE SEQRES 27 A 567 SER ALA GLU ARG PHE LEU HIS ASP GLY GLY LEU ASP GLY SEQRES 28 A 567 SER HIS ARG TYR PHE ILE THR ALA ALA ASN ALA ARG ASN SEQRES 29 A 567 LYS LEU VAL VAL ILE ASP THR LYS GLU GLY LYS LEU VAL SEQRES 30 A 567 ALA ILE GLU ASP THR GLY GLY GLN THR PRO HIS PRO GLY SEQRES 31 A 567 ARG GLY ALA ASN PHE VAL HIS PRO THR PHE GLY PRO VAL SEQRES 32 A 567 TRP ALA THR SER HIS MET GLY ASP ASP SER VAL ALA LEU SEQRES 33 A 567 ILE GLY THR ASP PRO GLU GLY HIS PRO ASP ASN ALA TRP SEQRES 34 A 567 LYS ILE LEU ASP SER PHE PRO ALA LEU GLY GLY GLY SER SEQRES 35 A 567 LEU PHE ILE LYS THR HIS PRO ASN SER GLN TYR LEU TYR SEQRES 36 A 567 VAL ASP ALA THR LEU ASN PRO GLU ALA GLU ILE SER GLY SEQRES 37 A 567 SER VAL ALA VAL PHE ASP ILE LYS ALA MET THR GLY ASP SEQRES 38 A 567 GLY SER ASP PRO GLU PHE LYS THR LEU PRO ILE ALA GLU SEQRES 39 A 567 TRP ALA GLY ILE THR GLU GLY GLN PRO ARG VAL VAL GLN SEQRES 40 A 567 GLY GLU PHE ASN LYS ASP GLY THR GLU VAL TRP PHE SER SEQRES 41 A 567 VAL TRP ASN GLY LYS ASP GLN GLU SER ALA LEU VAL VAL SEQRES 42 A 567 VAL ASP ASP LYS THR LEU GLU LEU LYS HIS VAL ILE LYS SEQRES 43 A 567 ASP GLU ARG LEU VAL THR PRO THR GLY LYS PHE ASN VAL SEQRES 44 A 567 TYR ASN THR MET THR ASP THR TYR SEQRES 1 B 567 GLN GLU GLN VAL ALA PRO PRO LYS ASP PRO ALA ALA ALA SEQRES 2 B 567 LEU GLU ASP HIS LYS THR ARG THR ASP ASN ARG TYR GLU SEQRES 3 B 567 PRO SER LEU ASP ASN LEU ALA GLN GLN ASP VAL ALA ALA SEQRES 4 B 567 PRO GLY ALA PRO GLU GLY VAL THR ALA LEU SER ASP ALA SEQRES 5 B 567 GLN TYR ASN GLU ALA ASN LYS ILE TYR PHE GLU ARG CYS SEQRES 6 B 567 ALA GLY CYS HIS GLY VAL LEU ARG LYS GLY ALA THR GLY SEQRES 7 B 567 LYS ALA LEU THR PRO ASP LEU THR ARG ASP LEU GLY PHE SEQRES 8 B 567 ASP TYR LEU GLN SER PHE ILE THR TYR ALA SER PRO ALA SEQRES 9 B 567 GLY MET PRO ASN TRP GLY THR SER GLY GLU LEU SER ALA SEQRES 10 B 567 GLU GLN VAL ASP LEU MET ALA ASN TYR LEU LEU LEU ASP SEQRES 11 B 567 PRO ALA ALA PRO PRO GLU PHE GLY MET LYS GLU MET ARG SEQRES 12 B 567 GLU SER TRP LYS VAL HIS VAL ALA PRO GLU ASP ARG PRO SEQRES 13 B 567 THR GLN GLN MET ASN ASP TRP ASP LEU GLU ASN LEU PHE SEQRES 14 B 567 SER VAL THR LEU ARG ASP ALA GLY GLN ILE ALA LEU ILE SEQRES 15 B 567 ASP GLY SER THR TYR GLU ILE LYS THR VAL LEU ASP THR SEQRES 16 B 567 GLY TYR ALA VAL HIS ILE SER ARG LEU SER ALA SER GLY SEQRES 17 B 567 ARG TYR LEU PHE VAL ILE GLY ARG ASP GLY LYS VAL ASN SEQRES 18 B 567 MET ILE ASP LEU TRP MET LYS GLU PRO THR THR VAL ALA SEQRES 19 B 567 GLU ILE LYS ILE GLY SER GLU ALA ARG SER ILE GLU THR SEQRES 20 B 567 SER LYS MET GLU GLY TRP GLU ASP LYS TYR ALA ILE ALA SEQRES 21 B 567 GLY ALA TYR TRP PRO PRO GLN TYR VAL ILE MET ASP GLY SEQRES 22 B 567 GLU THR LEU GLU PRO LYS LYS ILE GLN SER THR ARG GLY SEQRES 23 B 567 MET THR TYR ASP GLU GLN GLU TYR HIS PRO GLU PRO ARG SEQRES 24 B 567 VAL ALA ALA ILE LEU ALA SER HIS TYR ARG PRO GLU PHE SEQRES 25 B 567 ILE VAL ASN VAL LYS GLU THR GLY LYS ILE LEU LEU VAL SEQRES 26 B 567 ASP TYR THR ASP LEU ASN ASN LEU LYS THR THR GLU ILE SEQRES 27 B 567 SER ALA GLU ARG PHE LEU HIS ASP GLY GLY LEU ASP GLY SEQRES 28 B 567 SER HIS ARG TYR PHE ILE THR ALA ALA ASN ALA ARG ASN SEQRES 29 B 567 LYS LEU VAL VAL ILE ASP THR LYS GLU GLY LYS LEU VAL SEQRES 30 B 567 ALA ILE GLU ASP THR GLY GLY GLN THR PRO HIS PRO GLY SEQRES 31 B 567 ARG GLY ALA ASN PHE VAL HIS PRO THR PHE GLY PRO VAL SEQRES 32 B 567 TRP ALA THR SER HIS MET GLY ASP ASP SER VAL ALA LEU SEQRES 33 B 567 ILE GLY THR ASP PRO GLU GLY HIS PRO ASP ASN ALA TRP SEQRES 34 B 567 LYS ILE LEU ASP SER PHE PRO ALA LEU GLY GLY GLY SER SEQRES 35 B 567 LEU PHE ILE LYS THR HIS PRO ASN SER GLN TYR LEU TYR SEQRES 36 B 567 VAL ASP ALA THR LEU ASN PRO GLU ALA GLU ILE SER GLY SEQRES 37 B 567 SER VAL ALA VAL PHE ASP ILE LYS ALA MET THR GLY ASP SEQRES 38 B 567 GLY SER ASP PRO GLU PHE LYS THR LEU PRO ILE ALA GLU SEQRES 39 B 567 TRP ALA GLY ILE THR GLU GLY GLN PRO ARG VAL VAL GLN SEQRES 40 B 567 GLY GLU PHE ASN LYS ASP GLY THR GLU VAL TRP PHE SER SEQRES 41 B 567 VAL TRP ASN GLY LYS ASP GLN GLU SER ALA LEU VAL VAL SEQRES 42 B 567 VAL ASP ASP LYS THR LEU GLU LEU LYS HIS VAL ILE LYS SEQRES 43 B 567 ASP GLU ARG LEU VAL THR PRO THR GLY LYS PHE ASN VAL SEQRES 44 B 567 TYR ASN THR MET THR ASP THR TYR HET HEM A 601 43 HET DHE A 602 49 HET 2NO A 603 3 HET HEM B 601 43 HET DHE B 602 49 HET NO B 603 2 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM DHE HEME D HETNAM 2NO NITROGEN DIOXIDE HETNAM NO NITRIC OXIDE HETSYN HEM HEME HETSYN NO NITROGEN MONOXIDE FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 DHE 2(C34 H32 FE N4 O10) FORMUL 5 2NO N O2 FORMUL 8 NO N O FORMUL 9 HOH *1108(H2 O) HELIX 1 1 LEU A 32 GLN A 34 5 3 HELIX 2 2 ASP A 51 ARG A 64 1 14 HELIX 3 3 ALA A 66 HIS A 69 1 4 HELIX 4 4 PRO A 83 LEU A 89 1 7 HELIX 5 5 PHE A 91 TYR A 100 1 10 HELIX 6 6 ALA A 117 LEU A 128 1 12 HELIX 7 7 MET A 139 SER A 145 1 7 HELIX 8 8 PRO A 152 ASP A 154 5 3 HELIX 9 9 LEU A 165 ASN A 167 5 3 HELIX 10 10 ARG A 174 ALA A 176 5 3 HELIX 11 11 ASN A 361 ARG A 363 5 3 HELIX 12 12 ALA A 464 SER A 467 1 4 HELIX 13 13 ILE A 475 ALA A 477 5 3 HELIX 14 14 ILE A 492 ALA A 496 1 5 HELIX 15 15 VAL A 559 MET A 563 1 5 HELIX 16 16 PRO B 10 ASP B 16 5 7 HELIX 17 17 LEU B 32 GLN B 34 5 3 HELIX 18 18 ASP B 51 ARG B 64 1 14 HELIX 19 19 ALA B 66 HIS B 69 1 4 HELIX 20 20 PRO B 83 LEU B 89 1 7 HELIX 21 21 PHE B 91 TYR B 100 1 10 HELIX 22 22 ALA B 117 LEU B 128 1 12 HELIX 23 23 MET B 139 SER B 145 1 7 HELIX 24 24 PRO B 152 ASP B 154 5 3 HELIX 25 25 LEU B 165 ASN B 167 5 3 HELIX 26 26 ASN B 361 ARG B 363 5 3 HELIX 27 27 PRO B 425 ASN B 427 5 3 HELIX 28 28 ALA B 464 SER B 467 1 4 HELIX 29 29 ILE B 475 ALA B 477 5 3 HELIX 30 30 ILE B 492 ALA B 496 1 5 HELIX 31 31 VAL B 559 MET B 563 1 5 SHEET 1 A 4 LYS A 556 ASN A 558 0 SHEET 2 A 4 LEU A 168 LEU A 173 -1 N SER A 170 O PHE A 557 SHEET 3 A 4 GLN A 178 ASP A 183 -1 N ILE A 182 O PHE A 169 SHEET 4 A 4 ILE A 189 ASP A 194 -1 N LEU A 193 O ILE A 179 SHEET 1 B 4 VAL A 199 LEU A 204 0 SHEET 2 B 4 TYR A 210 GLY A 215 -1 N ILE A 214 O HIS A 200 SHEET 3 B 4 LYS A 219 ASP A 224 -1 N ILE A 223 O LEU A 211 SHEET 4 B 4 THR A 232 LYS A 237 -1 N ILE A 236 O VAL A 220 SHEET 1 C 4 SER A 244 THR A 247 0 SHEET 2 C 4 TYR A 257 ALA A 262 -1 N GLY A 261 O SER A 244 SHEET 3 C 4 GLN A 267 ASP A 272 -1 N MET A 271 O ALA A 258 SHEET 4 C 4 PRO A 278 SER A 283 -1 N GLN A 282 O TYR A 268 SHEET 1 D 4 ILE A 303 ALA A 305 0 SHEET 2 D 4 GLU A 311 VAL A 316 -1 N ILE A 313 O LEU A 304 SHEET 3 D 4 LYS A 321 ASP A 326 -1 N VAL A 325 O PHE A 312 SHEET 4 D 4 THR A 335 SER A 339 -1 N ILE A 338 O ILE A 322 SHEET 1 E 4 GLY A 347 LEU A 349 0 SHEET 2 E 4 TYR A 355 ALA A 360 -1 N ILE A 357 O GLY A 348 SHEET 3 E 4 LYS A 365 ASP A 370 -1 N ILE A 369 O PHE A 356 SHEET 4 E 4 LYS A 375 ASP A 381 -1 N GLU A 380 O LEU A 366 SHEET 1 F 4 ALA A 393 HIS A 397 0 SHEET 2 F 4 GLY A 401 SER A 407 -1 N ALA A 405 O ALA A 393 SHEET 3 F 4 SER A 413 GLY A 418 -1 N ILE A 417 O TRP A 404 SHEET 4 F 4 ILE A 431 PRO A 436 -1 N PHE A 435 O VAL A 414 SHEET 1 G 3 TYR A 453 ASP A 457 0 SHEET 2 G 3 VAL A 470 ASP A 474 -1 N PHE A 473 O LEU A 454 SHEET 3 G 3 PHE A 487 LEU A 490 -1 N LEU A 490 O VAL A 470 SHEET 1 H 4 ARG A 504 VAL A 506 0 SHEET 2 H 4 GLU A 516 TRP A 522 -1 N TRP A 522 O ARG A 504 SHEET 3 H 4 ALA A 530 ASP A 535 -1 N VAL A 534 O VAL A 517 SHEET 4 H 4 GLU A 540 ILE A 545 -1 N ILE A 545 O LEU A 531 SHEET 1 I 4 LYS B 556 ASN B 558 0 SHEET 2 I 4 PHE B 169 LEU B 173 -1 N SER B 170 O PHE B 557 SHEET 3 I 4 GLN B 178 ILE B 182 -1 N ILE B 182 O PHE B 169 SHEET 4 I 4 ILE B 189 ASP B 194 -1 N LEU B 193 O ILE B 179 SHEET 1 J 4 VAL B 199 LEU B 204 0 SHEET 2 J 4 TYR B 210 GLY B 215 -1 N ILE B 214 O HIS B 200 SHEET 3 J 4 LYS B 219 ASP B 224 -1 N ILE B 223 O LEU B 211 SHEET 4 J 4 THR B 232 LYS B 237 -1 N ILE B 236 O VAL B 220 SHEET 1 K 4 SER B 244 THR B 247 0 SHEET 2 K 4 TYR B 257 ALA B 262 -1 N GLY B 261 O SER B 244 SHEET 3 K 4 GLN B 267 ASP B 272 -1 N MET B 271 O ALA B 258 SHEET 4 K 4 PRO B 278 SER B 283 -1 N GLN B 282 O TYR B 268 SHEET 1 L 4 ILE B 303 ALA B 305 0 SHEET 2 L 4 GLU B 311 VAL B 316 -1 N ILE B 313 O LEU B 304 SHEET 3 L 4 LYS B 321 ASP B 326 -1 N VAL B 325 O PHE B 312 SHEET 4 L 4 THR B 335 SER B 339 -1 N ILE B 338 O ILE B 322 SHEET 1 M 4 GLY B 347 LEU B 349 0 SHEET 2 M 4 TYR B 355 ALA B 360 -1 N ILE B 357 O GLY B 348 SHEET 3 M 4 LYS B 365 ASP B 370 -1 N ILE B 369 O PHE B 356 SHEET 4 M 4 LYS B 375 ASP B 381 -1 N GLU B 380 O LEU B 366 SHEET 1 N 4 ALA B 393 HIS B 397 0 SHEET 2 N 4 GLY B 401 SER B 407 -1 N ALA B 405 O ALA B 393 SHEET 3 N 4 SER B 413 GLY B 418 -1 N ILE B 417 O TRP B 404 SHEET 4 N 4 ILE B 431 PRO B 436 -1 N PHE B 435 O VAL B 414 SHEET 1 O 3 TYR B 453 VAL B 456 0 SHEET 2 O 3 VAL B 470 ASP B 474 -1 N PHE B 473 O LEU B 454 SHEET 3 O 3 PHE B 487 LEU B 490 -1 N LEU B 490 O VAL B 470 SHEET 1 P 4 ARG B 504 VAL B 506 0 SHEET 2 P 4 GLU B 516 TRP B 522 -1 N TRP B 522 O ARG B 504 SHEET 3 P 4 ALA B 530 ASP B 535 -1 N VAL B 534 O VAL B 517 SHEET 4 P 4 GLU B 540 ILE B 545 -1 N ILE B 545 O LEU B 531 LINK SG CYS A 65 CAB HEM A 601 1555 1555 1.81 LINK SG CYS A 68 CAC HEM A 601 1555 1555 1.79 LINK SG CYS B 65 CAB HEM B 601 1555 1555 1.81 LINK SG CYS B 68 CAC HEM B 601 1555 1555 1.80 LINK NE2 HIS A 17 FE HEM A 601 1555 1555 2.01 LINK NE2 HIS A 69 FE HEM A 601 1555 1555 1.99 LINK NE2 HIS A 200 FE DHE A 602 1555 1555 1.96 LINK FE DHE A 602 N 2NO A 603 1555 1555 2.00 LINK FE DHE A 602 O1 2NO A 603 1555 1555 2.69 LINK FE DHE A 602 O2 2NO A 603 1555 1555 2.90 LINK NE2 HIS B 17 FE HEM B 601 1555 1555 2.01 LINK NE2 HIS B 69 FE HEM B 601 1555 1555 2.00 LINK NE2 HIS B 200 FE DHE B 602 1555 1555 1.98 LINK FE DHE B 602 N NO B 603 1555 1555 2.02 CISPEP 1 TRP A 264 PRO A 265 0 -0.55 CISPEP 2 TRP B 264 PRO B 265 0 -0.98 SITE 1 AC1 14 HIS A 17 ASN A 23 ARG A 64 CYS A 65 SITE 2 AC1 14 CYS A 68 HIS A 69 GLY A 78 LYS A 79 SITE 3 AC1 14 LEU A 89 TYR A 93 LEU A 94 PHE A 97 SITE 4 AC1 14 SER A 102 PRO A 103 SITE 1 AC2 30 TYR A 25 PRO A 27 SER A 28 MET A 106 SITE 2 AC2 30 TRP A 109 ARG A 174 HIS A 200 ILE A 201 SITE 3 AC2 30 ARG A 203 ARG A 216 ARG A 243 SER A 244 SITE 4 AC2 30 TYR A 263 ALA A 302 ILE A 303 HIS A 345 SITE 5 AC2 30 ARG A 391 PHE A 444 GLN A 507 TRP A 522 SITE 6 AC2 30 THR A 554 GLY A 555 PHE A 557 2NO A 603 SITE 7 AC2 30 HOH A 613 HOH A 637 HOH A 719 HOH A 835 SITE 8 AC2 30 HOH A 870 HOH A 974 SITE 1 AC3 3 HIS A 345 HIS A 388 DHE A 602 SITE 1 AC4 19 ASP B 16 HIS B 17 ASN B 23 ARG B 64 SITE 2 AC4 19 CYS B 65 CYS B 68 HIS B 69 GLY B 78 SITE 3 AC4 19 LYS B 79 LEU B 81 LEU B 89 TYR B 93 SITE 4 AC4 19 LEU B 94 PHE B 97 SER B 102 PRO B 103 SITE 5 AC4 19 HOH B 885 HOH B 914 HOH B1011 SITE 1 AC5 31 TYR B 25 PRO B 27 SER B 28 MET B 106 SITE 2 AC5 31 TRP B 109 ARG B 174 HIS B 200 ILE B 201 SITE 3 AC5 31 ARG B 203 ARG B 216 ARG B 243 SER B 244 SITE 4 AC5 31 TYR B 263 ALA B 302 ILE B 303 HIS B 345 SITE 5 AC5 31 ARG B 391 PHE B 444 GLN B 507 TRP B 522 SITE 6 AC5 31 THR B 554 GLY B 555 PHE B 557 NO B 603 SITE 7 AC5 31 HOH B 630 HOH B 735 HOH B 737 HOH B 769 SITE 8 AC5 31 HOH B 798 HOH B 907 HOH B 962 SITE 1 AC6 3 HIS B 345 HIS B 388 DHE B 602 CRYST1 106.700 60.600 100.100 90.00 112.30 90.00 P 1 21 1 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 0.009372 0.000000 0.003844 0.00000 SCALE2 0.000000 0.016502 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010798 0.00000 MTRIX1 1 0.718110 0.540276 0.438658 -29.30421 1 MTRIX2 1 0.547106 -0.827834 0.123960 5.38927 1 MTRIX3 1 0.430108 0.150976 -0.890064 106.88339 1