HEADER OXYGEN TRANSPORT 06-AUG-13 4M4A TITLE HUMAN HEMOGLOBIN NITROMETHANE MODIFIED COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN SUBUNIT ALPHA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALPHA-GLOBIN, HEMOGLOBIN ALPHA CHAIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN SUBUNIT BETA; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: BETA-GLOBIN, HEMOGLOBIN BETA CHAIN, 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 R-STATE, HUMAN HEMOGLOBIN, NITROMETHANE MODIFIED, OXYGEN TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR J.YI,Y.GUAN,L.M.THOMAS,G.B.RICHTER-ADDO REVDAT 2 20-SEP-23 4M4A 1 REMARK LINK REVDAT 1 16-JUL-14 4M4A 0 JRNL AUTH J.YI,G.YE,L.M.THOMAS,G.B.RICHTER-ADDO JRNL TITL DEGRADATION OF HUMAN HEMOGLOBIN BY ORGANIC C-NITROSO JRNL TITL 2 COMPOUNDS. JRNL REF CHEM.COMMUN.(CAMB.) V. 49 11179 2013 JRNL REFN ISSN 1359-7345 JRNL PMID 24149619 JRNL DOI 10.1039/C3CC46174B REMARK 2 REMARK 2 RESOLUTION. 2.05 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) : 2.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 21.40 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 17985 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.227 REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.040 REMARK 3 FREE R VALUE TEST SET COUNT : 906 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 21.4000 - 3.7198 0.99 3118 161 0.2017 0.2405 REMARK 3 2 3.7198 - 2.9549 0.98 2874 155 0.2228 0.2927 REMARK 3 3 2.9549 - 2.5821 0.97 2806 156 0.2486 0.3143 REMARK 3 4 2.5821 - 2.3464 0.98 2787 164 0.2482 0.3192 REMARK 3 5 2.3464 - 2.1784 0.98 2810 124 0.2488 0.3207 REMARK 3 6 2.1784 - 2.0500 0.95 2684 146 0.2329 0.2662 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 : 0.36 REMARK 3 B_SOL : 50.88 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.660 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 50.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.05380 REMARK 3 B22 (A**2) : 0.05380 REMARK 3 B33 (A**2) : -0.10760 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 : 0.008 2357 REMARK 3 ANGLE : 1.088 3226 REMARK 3 CHIRALITY : 0.065 349 REMARK 3 PLANARITY : 0.006 400 REMARK 3 DIHEDRAL : 16.553 793 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 4M4A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-AUG-13. REMARK 100 THE DEPOSITION ID IS D_1000081447. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-JAN-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.8 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 RUH3R 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 IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18023 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.050 REMARK 200 RESOLUTION RANGE LOW (A) : 21.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 6.130 REMARK 200 R MERGE (I) : 0.08700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.44 REMARK 200 R MERGE FOR SHELL (I) : 0.23000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.800 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 3D7O REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM PHOSPHATE, POTASSIUM PHOSPHATE, REMARK 280 TOLUENE, PH 6.8, LIQUID DIFFUSION, 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 95.93500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 26.78650 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 26.78650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 47.96750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 26.78650 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 26.78650 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 143.90250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 26.78650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 26.78650 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 47.96750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 26.78650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 26.78650 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 143.90250 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 95.93500 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: 13420 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23290 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -102.0 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 364 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 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 54.41 -149.88 REMARK 500 TYR B 35 72.29 -119.14 REMARK 500 ASN B 80 62.96 -152.47 REMARK 500 CYS B 93 -64.57 -96.08 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 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 201 NA 90.1 REMARK 620 3 HEM A 201 NB 86.5 90.1 REMARK 620 4 HEM A 201 NC 89.7 176.9 86.8 REMARK 620 5 HEM A 201 ND 93.3 92.8 177.2 90.4 REMARK 620 6 NSM A 202 N 170.1 98.0 87.8 81.9 92.0 REMARK 620 7 NSM A 202 O1 164.1 83.3 107.9 97.7 72.7 25.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 92 NE2 REMARK 620 2 HEM B 201 NA 87.3 REMARK 620 3 HEM B 201 NB 82.9 88.9 REMARK 620 4 HEM B 201 NC 87.1 174.2 88.5 REMARK 620 5 HEM B 201 ND 94.7 95.6 174.8 86.7 REMARK 620 6 NSM B 202 N 168.1 93.2 85.2 91.8 97.1 REMARK 620 7 NSM B 202 O1 165.8 86.4 109.8 99.4 73.3 25.6 REMARK 620 N 1 2 3 4 5 6 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NSM A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NSM B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4M4B RELATED DB: PDB DBREF 4M4A A 1 141 UNP P69905 HBA_HUMAN 2 142 DBREF 4M4A 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 201 43 HET NSM A 202 3 HET GOL A 203 6 HET GOL A 204 6 HET HEM B 201 43 HET NSM B 202 3 HET GOL B 203 6 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM NSM NITROSOMETHANE HETNAM GOL GLYCEROL HETSYN HEM HEME HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 NSM 2(C H3 N O) FORMUL 5 GOL 3(C3 H8 O3) FORMUL 10 HOH *144(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 GLY B 46 5 11 HELIX 12 12 THR B 50 GLY B 56 1 7 HELIX 13 13 ASN B 57 HIS B 77 1 21 HELIX 14 14 ASN B 80 ASP B 94 1 15 HELIX 15 15 PRO B 100 GLY B 119 1 20 HELIX 16 16 LYS B 120 PHE B 122 5 3 HELIX 17 17 THR B 123 ALA B 142 1 20 HELIX 18 18 HIS B 143 HIS B 146 5 4 LINK NE2 HIS A 87 FE HEM A 201 1555 1555 2.11 LINK FE HEM A 201 N NSM A 202 1555 1555 2.02 LINK FE HEM A 201 O1 NSM A 202 1555 1555 2.70 LINK NE2 HIS B 92 FE HEM B 201 1555 1555 2.18 LINK FE HEM B 201 N NSM B 202 1555 1555 2.02 LINK FE HEM B 201 O1 NSM B 202 1555 1555 2.68 SITE 1 AC1 16 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC1 16 HIS A 58 LYS A 61 LEU A 83 LEU A 86 SITE 3 AC1 16 HIS A 87 LEU A 91 VAL A 93 ASN A 97 SITE 4 AC1 16 PHE A 98 LEU A 101 LEU A 136 NSM A 202 SITE 1 AC2 5 PHE A 43 HIS A 58 VAL A 62 LEU A 101 SITE 2 AC2 5 HEM A 201 SITE 1 AC3 8 GLU A 27 GLU A 30 GLY A 51 SER A 52 SITE 2 AC3 8 VAL A 55 LYS A 56 HOH A 328 HOH A 330 SITE 1 AC4 8 PHE A 43 PRO A 44 PHE A 46 ASP A 47 SITE 2 AC4 8 ASP A 64 THR A 67 HOH A 325 HOH A 337 SITE 1 AC5 15 PRO A 4 THR B 38 PHE B 41 PHE B 42 SITE 2 AC5 15 HIS B 63 LYS B 66 PHE B 71 HIS B 92 SITE 3 AC5 15 LEU B 96 ASN B 102 LEU B 141 NSM B 202 SITE 4 AC5 15 HOH B 316 HOH B 320 HOH B 322 SITE 1 AC6 5 PHE B 42 HIS B 63 VAL B 67 LEU B 106 SITE 2 AC6 5 HEM B 201 SITE 1 AC7 3 ASN B 139 HIS B 143 HIS B 146 CRYST1 53.573 53.573 191.870 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 0.018666 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018666 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005212 0.00000