HEADER OXYGEN TRANSPORT 30-AUG-10 3ONZ TITLE HUMAN TETRAMERIC HEMOGLOBIN: PROXIMAL NITRITE LIGAND AT BETA COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN SUBUNIT ALPHA; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: HEMOGLOBIN CHAIN A; COMPND 5 SYNONYM: HEMOGLOBIN ALPHA CHAIN, ALPHA-GLOBIN; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: HEMOGLOBIN SUBUNIT BETA; COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: HEMOGLOBIN CHAIN B; COMPND 10 SYNONYM: HEMOGLOBIN BETA CHAIN, BETA-GLOBIN, LVV-HEMORPHIN-7 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 STRAIN: HUMAN; SOURCE 6 OTHER_DETAILS: BLOOD; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 9 ORGANISM_COMMON: HUMAN; SOURCE 10 ORGANISM_TAXID: 9606; SOURCE 11 STRAIN: HUMAN; SOURCE 12 OTHER_DETAILS: BLOOD KEYWDS NITRITE, HUMAN HEMOGLOBIN, OXYGEN TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR J.YI,L.M.THORMAS,M.K.SAFO,F.N.MUSAYEV,G.B.RICHTER-ADDO REVDAT 3 06-SEP-23 3ONZ 1 REMARK LINK REVDAT 2 12-OCT-11 3ONZ 1 JRNL REVDAT 1 07-SEP-11 3ONZ 0 JRNL AUTH J.YI,L.M.THOMAS,F.N.MUSAYEV,M.K.SAFO,G.B.RICHTER-ADDO JRNL TITL CRYSTALLOGRAPHIC TRAPPING OF HEME LOSS INTERMEDIATES DURING JRNL TITL 2 THE NITRITE-INDUCED DEGRADATION OF HUMAN HEMOGLOBIN. JRNL REF BIOCHEMISTRY V. 50 8323 2011 JRNL REFN ISSN 0006-2960 JRNL PMID 21863786 JRNL DOI 10.1021/BI2009322 REMARK 2 REMARK 2 RESOLUTION. 2.09 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.6_289) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.09 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.64 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.420 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 3 NUMBER OF REFLECTIONS : 16540 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.221 REMARK 3 R VALUE (WORKING SET) : 0.218 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.180 REMARK 3 FREE R VALUE TEST SET COUNT : 856 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 26.6372 - 3.7894 0.97 2903 137 0.2063 0.2618 REMARK 3 2 3.7894 - 3.0091 0.96 2693 134 0.1966 0.2390 REMARK 3 3 3.0091 - 2.6291 0.95 2625 147 0.2165 0.2879 REMARK 3 4 2.6291 - 2.3889 0.95 2519 167 0.2195 0.3089 REMARK 3 5 2.3889 - 2.2178 0.94 2510 131 0.2364 0.3246 REMARK 3 6 2.2178 - 2.0871 0.90 2434 140 0.2589 0.3447 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.37 REMARK 3 B_SOL : 71.09 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.350 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.470 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) : -0.68420 REMARK 3 B22 (A**2) : -0.68420 REMARK 3 B33 (A**2) : 1.36830 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 2261 REMARK 3 ANGLE : 1.060 3093 REMARK 3 CHIRALITY : 0.064 334 REMARK 3 PLANARITY : 0.005 384 REMARK 3 DIHEDRAL : 18.428 745 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3ONZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-AUG-10. REMARK 100 THE DEPOSITION ID IS D_1000061355. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-OCT-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.1 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : OSMIC REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16567 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.090 REMARK 200 RESOLUTION RANGE LOW (A) : 46.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 200 DATA REDUNDANCY : 9.400 REMARK 200 R MERGE (I) : NULL 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) : 2.09 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.7 REMARK 200 DATA REDUNDANCY IN SHELL : 9.40 REMARK 200 R MERGE FOR SHELL (I) : 0.40500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.600 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: 1LJW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM PHOSPAHTE, POTASSIUM PHOSPHATE, REMARK 280 TOLUENE, NITRITE, HEMOGLOBIN, PH 7.1, LIQUID DIFFUSION, REMARK 280 TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 96.81000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 26.63500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 26.63500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.40500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 26.63500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 26.63500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 145.21500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 26.63500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 26.63500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.40500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 26.63500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 26.63500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 145.21500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 96.81000 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 12000 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -65.0 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 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 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 210 LIES ON A SPECIAL POSITION. 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 ARG A 141 REMARK 465 LEU B 88 REMARK 465 SER B 89 REMARK 465 GLU B 90 REMARK 465 LEU B 91 REMARK 465 CYS B 93 REMARK 465 ASP B 94 REMARK 465 LYS B 95 REMARK 465 LEU B 96 REMARK 465 HIS B 97 REMARK 465 LYS B 144 REMARK 465 TYR B 145 REMARK 465 HIS B 146 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG B 40 CZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ASP A 75 41.43 -141.18 REMARK 500 LYS A 139 54.94 -109.58 REMARK 500 PHE B 45 -5.86 -47.70 REMARK 500 LEU B 48 39.35 -141.95 REMARK 500 ALA B 76 32.55 -95.06 REMARK 500 HIS B 77 28.74 -162.92 REMARK 500 PRO B 100 -35.68 -37.37 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 143 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 143 NA 82.3 REMARK 620 3 HEM A 143 NB 85.1 89.3 REMARK 620 4 HEM A 143 NC 97.0 178.7 89.5 REMARK 620 5 HEM A 143 ND 94.2 89.7 178.9 91.4 REMARK 620 6 NO2 A 142 O1 170.6 89.7 89.8 90.8 90.7 REMARK 620 7 NO2 A 142 N 157.0 109.7 75.7 70.6 105.1 24.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 148 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 63 NE2 REMARK 620 2 HEM B 148 NA 106.4 REMARK 620 3 HEM B 148 NB 86.5 90.9 REMARK 620 4 HEM B 148 NC 68.3 172.9 84.1 REMARK 620 5 HEM B 148 ND 87.4 91.5 173.8 93.0 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 HEM A 143 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 148 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO2 A 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO2 B 147 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MBN B 149 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MBN B 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MBN A 144 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MBN A 145 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3OO4 RELATED DB: PDB REMARK 900 RELATED ID: 3OO5 RELATED DB: PDB DBREF 3ONZ A 1 141 UNP P69905 HBA_HUMAN 2 142 DBREF 3ONZ B 1 146 UNP P68871 HBB_HUMAN 2 147 SEQRES 1 A 141 VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA SEQRES 2 A 141 TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA SEQRES 3 A 141 GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR SEQRES 4 A 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER SEQRES 5 A 141 ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 A 141 LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN SEQRES 7 A 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU SEQRES 8 A 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 A 141 LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE SEQRES 10 A 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SEQRES 11 A 141 SER VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 B 146 VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA SEQRES 2 B 146 LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU SEQRES 3 B 146 ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 B 146 ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS SEQRES 6 B 146 LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU SEQRES 7 B 146 ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU SEQRES 8 B 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG SEQRES 9 B 146 LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS SEQRES 10 B 146 PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR SEQRES 11 B 146 GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS SEQRES 12 B 146 LYS TYR HIS HET HEM A 143 43 HET NO2 A 142 3 HET MBN A 144 7 HET MBN A 145 7 HET HEM B 148 44 HET NO2 B 147 3 HET MBN B 149 7 HET MBN B 150 7 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM NO2 NITRITE ION HETNAM MBN TOLUENE HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 NO2 2(N O2 1-) FORMUL 5 MBN 4(C7 H8) FORMUL 11 HOH *95(H2 O) HELIX 1 1 SER A 3 GLY A 18 1 16 HELIX 2 2 HIS A 20 PHE A 36 1 17 HELIX 3 3 PRO A 37 PHE A 43 5 7 HELIX 4 4 SER A 52 HIS A 72 1 21 HELIX 5 5 ASP A 75 LEU A 80 1 6 HELIX 6 6 LEU A 80 LYS A 90 1 11 HELIX 7 7 PRO A 95 LEU A 113 1 19 HELIX 8 8 THR A 118 THR A 137 1 20 HELIX 9 9 THR B 4 GLY B 16 1 13 HELIX 10 10 GLU B 22 TYR B 35 1 14 HELIX 11 11 PRO B 36 PHE B 42 5 7 HELIX 12 12 THR B 50 GLY B 56 1 7 HELIX 13 13 ASN B 57 ALA B 76 1 20 HELIX 14 14 ASP B 99 GLY B 119 1 21 HELIX 15 15 LYS B 120 PHE B 122 5 3 HELIX 16 16 THR B 123 ALA B 142 1 20 LINK NE2 HIS A 87 FE HEM A 143 1555 1555 2.13 LINK O1 NO2 A 142 FE HEM A 143 1555 1555 1.92 LINK N NO2 A 142 FE HEM A 143 1555 1555 2.67 LINK NE2 HIS B 63 FE AHEM B 148 1555 1555 2.29 SITE 1 AC1 19 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC1 19 HIS A 58 LYS A 61 ALA A 65 LEU A 83 SITE 3 AC1 19 LEU A 86 HIS A 87 VAL A 93 ASN A 97 SITE 4 AC1 19 PHE A 98 LEU A 101 LEU A 136 NO2 A 142 SITE 5 AC1 19 HOH A 154 HOH A 165 HOH A 188 SITE 1 AC2 9 VAL A 1 SER A 3 PRO A 4 LYS A 139 SITE 2 AC2 9 PHE B 42 HIS B 63 HIS B 92 NO2 B 147 SITE 3 AC2 9 MBN B 150 SITE 1 AC3 4 LEU A 29 HIS A 58 VAL A 62 HEM A 143 SITE 1 AC4 1 HEM B 148 SITE 1 AC5 4 PHE B 71 PHE B 103 LEU B 106 LEU B 141 SITE 1 AC6 5 HIS B 92 ASN B 102 PHE B 103 LEU B 106 SITE 2 AC6 5 HEM B 148 SITE 1 AC7 6 VAL A 10 TRP A 14 THR A 67 VAL A 70 SITE 2 AC7 6 LEU A 125 MBN A 145 SITE 1 AC8 5 TYR A 24 LEU A 66 LEU A 105 LEU A 109 SITE 2 AC8 5 MBN A 144 CRYST1 53.270 53.270 193.620 90.00 90.00 90.00 P 41 21 2 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 0.018772 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018772 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005165 0.00000