HEADER OXIDOREDUCTASE 23-JUL-02 1M7Z TITLE STRUCTURE OF NITRIC OXIDE SYNTHASE HEME PROTEIN FROM BACILLUS SUBTILIS TITLE 2 WITH N-HYDROXY-ARGININE AND TETRAHYDROFOLATE BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NITRIC-OXIDE SYNTHETASE, NO SYNTHASE, ENDOTHELIUM-DERIVED COMPND 5 RELAXATION FACTOR-FORMING ENZYME, ENDOTHELIUM-DERIVED RELAXINGFACTOR COMPND 6 SYNTHASE; COMPND 7 EC: 1.14.13.39; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL-21 (DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS OXYGENASE, TETRAHYDROFOLATE, PTERIN, BACTERIA, HEME, HYDROXY KEYWDS 2 ARGININE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.PANT,A.M.BILWES,S.ADAK,D.J.STUEHR,B.R.CRANE REVDAT 3 14-FEB-24 1M7Z 1 REMARK REVDAT 2 24-FEB-09 1M7Z 1 VERSN REVDAT 1 30-OCT-02 1M7Z 0 JRNL AUTH K.PANT,A.M.BILWES,S.ADAK,D.J.STUEHR,B.R.CRANE JRNL TITL STRUCTURE OF A NITRIC OXIDE SYNTHASE HEME PROTEIN FROM JRNL TITL 2 BACILLUS SUBTILIS. JRNL REF BIOCHEMISTRY V. 41 11071 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12220171 JRNL DOI 10.1021/BI0263715 REMARK 2 REMARK 2 RESOLUTION. 2.14 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.14 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.74 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1428377.040 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 37880 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) : 0.212 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1276 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.14 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.27 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3846 REMARK 3 BIN R VALUE (WORKING SET) : 0.3210 REMARK 3 BIN FREE R VALUE : 0.3550 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 189 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.026 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2933 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 88 REMARK 3 SOLVENT ATOMS : 204 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -14.82000 REMARK 3 B22 (A**2) : -4.95000 REMARK 3 B33 (A**2) : 19.77000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.33 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.33 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.550 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.200 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.020 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.890 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.930 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 23.37 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN.PARAM REMARK 3 PARAMETER FILE 2 : PARAM19X.HEME REMARK 3 PARAMETER FILE 3 : WATER.PARAM REMARK 3 PARAMETER FILE 4 : THF-8.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 4 : THF-6.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE GLUTAMATE MOIETY OF REMARK 3 TETRAHYDROFOLATE IS NOT WELL ORDERED AND LIKELY HAS ALTERNATE REMARK 3 CONFORMATIONS REMARK 4 REMARK 4 1M7Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUL-02. REMARK 100 THE DEPOSITION ID IS D_1000016709. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-MAY-02 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 : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.916 REMARK 200 MONOCHROMATOR : SI REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37880 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.140 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08600 REMARK 200 FOR THE DATA SET : 10.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.14 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.46700 REMARK 200 FOR SHELL : 8.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1DWW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8K, POTASSIUM ACETATE, PH 7.0, REMARK 280 VAPOR DIFFUSION, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 40.54250 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.53400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.54250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.53400 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 300 REMARK: THE SECOND HALF OF THE BIOLOGICAL DIMER IS GENERATED BY REMARK 300 ROTATION ABOUT THE CRYSTALLOGRAPHIC TWO-FOLD AXIS -X, -Y, Z 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 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 93.06800 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 A1202 LIES ON A SPECIAL POSITION. 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 MET A 0 CG SD CE REMARK 470 GLU A 1 CG CD OE1 OE2 REMARK 470 GLN A 16 CG CD OE1 NE2 REMARK 470 GLU A 21 CG CD OE1 OE2 REMARK 470 LYS A 25 CG CD CE NZ REMARK 470 ARG A 138 CG CD NE CZ NH1 NH2 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 GLY A 233 N - CA - C ANGL. DEV. = -15.5 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 GLU A 113 -75.17 -89.24 REMARK 500 LYS A 114 50.28 -109.52 REMARK 500 ALA A 229 77.76 -153.60 REMARK 500 ARG A 243 -66.15 -122.98 REMARK 500 ARG A 250 -127.28 -119.67 REMARK 500 ASN A 344 38.39 -88.92 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 901 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 62 SG REMARK 620 2 HEM A 901 NA 104.2 REMARK 620 3 HEM A 901 NB 93.0 87.4 REMARK 620 4 HEM A 901 NC 97.8 158.0 90.5 REMARK 620 5 HEM A 901 ND 101.4 89.9 165.5 86.8 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 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HAR A 909 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE THG A 1999 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1M7V RELATED DB: PDB REMARK 900 STRUCTURE OF A NITRIC OXIDE SYNTHASE HEME PROTEIN FROM BACILLUS REMARK 900 SUBTILIS WITH TETRAHYDROFOLATE AND ARGININE BOUND REMARK 900 RELATED ID: 1DWW RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER N- REMARK 900 HYDROXYARGININE AND DIHYDROBIOPTERIN REMARK 999 REMARK 999 SEQUENCE AT THE TIME OF PROCESSING, THIS SEQUENCE OF CHAIN A HAS REMARK 999 NOT YET BEEN DEPOSITED IN A SEQUENCE DATABASE. AUTHOR ALSO REMARK 999 STATES THAT THERE WAS NO COVALENT/PEPTIDE BOND AND ELECTRON REMARK 999 DENSITY BETWEEN RESIDUES 133 AND 136. DBREF 1M7Z A 24 359 UNP O34453 NOSO_BACSU 1 336 SEQRES 1 A 361 GLY SER HIS MET GLU ILE LEU TRP ASN GLU ALA LYS ALA SEQRES 2 A 361 PHE ILE ALA GLU CYS TYR GLN GLU LEU GLY LYS GLU GLU SEQRES 3 A 361 GLU VAL LYS ASP ARG LEU ASP SER ILE LYS SER GLU ILE SEQRES 4 A 361 ASP ARG THR GLY SER TYR VAL HIS THR LYS GLU GLU LEU SEQRES 5 A 361 GLU HIS GLY ALA LYS MET ALA TRP ARG ASN SER ASN ARG SEQRES 6 A 361 CYS ILE GLY ARG LEU PHE TRP ASN SER LEU ASN VAL ILE SEQRES 7 A 361 ASP ARG ARG ASP VAL ARG THR LYS GLU ASP VAL ARG ASP SEQRES 8 A 361 ALA LEU PHE HIS HIS ILE GLU THR ALA THR ASN ASN GLY SEQRES 9 A 361 LYS ILE ARG PRO SER ILE THR ILE PHE PRO PRO GLU GLU SEQRES 10 A 361 LYS GLY GLU LYS GLN VAL GLU ILE TRP ASN HIS GLN LEU SEQRES 11 A 361 ILE ARG TYR ALA GLY TYR GLU GLY GLU ARG ILE GLY ASP SEQRES 12 A 361 PRO ALA SER ARG SER LEU THR ALA ALA CYS GLU GLN LEU SEQRES 13 A 361 GLY TRP ARG GLY GLU ARG THR ASP PHE ASP LEU LEU PRO SEQRES 14 A 361 LEU ILE PHE ARG MET ARG GLY ASP GLU GLN PRO VAL TRP SEQRES 15 A 361 TYR GLU LEU PRO ARG SER LEU VAL ILE GLU VAL PRO ILE SEQRES 16 A 361 THR HIS PRO ASP ILE GLU ALA PHE SER ASP LEU GLU LEU SEQRES 17 A 361 LYS TRP TYR GLY VAL PRO ILE ILE SER ASP MET LYS LEU SEQRES 18 A 361 GLU VAL GLY GLY ILE HIS TYR ASN ALA ALA PRO PHE ASN SEQRES 19 A 361 GLY TRP TYR MET GLY THR GLU ILE GLY ALA ARG ASN LEU SEQRES 20 A 361 ALA ASP GLU LYS ARG TYR ASP LYS LEU LYS LYS VAL ALA SEQRES 21 A 361 SER VAL ILE GLY ILE SER THR ASN TYR ASN THR ASP LEU SEQRES 22 A 361 TRP LYS ASP GLN ALA LEU VAL GLU LEU ASN LYS ALA VAL SEQRES 23 A 361 LEU TYR SER TYR LYS LYS GLN GLY VAL SER ILE VAL ASP SEQRES 24 A 361 HIS HIS THR ALA ALA SER GLN PHE LYS ARG PHE GLU GLU SEQRES 25 A 361 GLN GLU GLU GLU ALA GLY ARG LYS LEU THR GLY ASP TRP SEQRES 26 A 361 THR TRP LEU ILE PRO PRO ILE SER PRO ALA ALA THR HIS SEQRES 27 A 361 ILE PHE HIS ARG SER TYR ASP ASN SER ILE VAL LYS PRO SEQRES 28 A 361 ASN TYR PHE TYR GLN ASP LYS PRO TYR GLU HET HEM A 901 43 HET HAR A 909 13 HET THG A1999 32 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM HAR N-OMEGA-HYDROXY-L-ARGININE HETNAM THG (6S)-5,6,7,8-TETRAHYDROFOLATE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HAR C6 H14 N4 O3 FORMUL 4 THG C19 H23 N7 O6 FORMUL 5 HOH *204(H2 O) HELIX 1 1 ILE A 2 TYR A 15 1 14 HELIX 2 2 GLU A 17 GLY A 19 5 3 HELIX 3 3 ASP A 26 THR A 38 1 13 HELIX 4 4 THR A 44 ASN A 58 1 15 HELIX 5 5 GLY A 64 LEU A 71 5 8 HELIX 6 6 THR A 81 ASN A 98 1 18 HELIX 7 7 ASN A 99 LYS A 101 5 3 HELIX 8 8 ASP A 141 ALA A 143 5 3 HELIX 9 9 SER A 144 GLN A 153 1 10 HELIX 10 10 ILE A 198 GLU A 205 5 8 HELIX 11 11 GLY A 237 ALA A 242 1 6 HELIX 12 12 LYS A 253 ILE A 261 1 9 HELIX 13 13 TYR A 267 ASP A 270 5 4 HELIX 14 14 LEU A 271 GLN A 291 1 21 HELIX 15 15 ASP A 297 ALA A 315 1 19 HELIX 16 16 ASP A 322 ILE A 327 1 6 HELIX 17 17 SER A 331 THR A 335 5 5 SHEET 1 A 4 ASN A 72 ASP A 75 0 SHEET 2 A 4 SER A 105 ILE A 108 1 O ILE A 106 N ILE A 74 SHEET 3 A 4 PHE A 231 ASN A 232 -1 O ASN A 232 N SER A 105 SHEET 4 A 4 ILE A 213 ILE A 214 -1 N ILE A 214 O PHE A 231 SHEET 1 B 3 VAL A 119 ILE A 121 0 SHEET 2 B 3 LEU A 168 MET A 172 -1 O ARG A 171 N GLU A 120 SHEET 3 B 3 VAL A 179 TYR A 181 -1 O TYR A 181 N LEU A 168 SHEET 1 C 2 GLU A 190 PRO A 192 0 SHEET 2 C 2 LYS A 207 TYR A 209 -1 O TRP A 208 N VAL A 191 SHEET 1 D 3 ILE A 224 TYR A 226 0 SHEET 2 D 3 LYS A 218 VAL A 221 -1 N LEU A 219 O TYR A 226 SHEET 3 D 3 ASN A 350 PHE A 352 -1 O PHE A 352 N LYS A 218 SHEET 1 E 2 TYR A 235 MET A 236 0 SHEET 2 E 2 ILE A 295 VAL A 296 1 O VAL A 296 N TYR A 235 LINK SG CYS A 62 FE HEM A 901 1555 1555 2.51 CISPEP 1 LYS A 348 PRO A 349 0 -0.32 SITE 1 AC1 18 TRP A 56 SER A 59 ARG A 61 CYS A 62 SITE 2 AC1 18 PHE A 231 ASN A 232 GLY A 233 TRP A 234 SITE 3 AC1 18 GLU A 239 TRP A 325 TYR A 351 TYR A 353 SITE 4 AC1 18 HAR A 909 HOH A 957 HOH A 975 HOH A 991 SITE 5 AC1 18 HOH A1029 THG A1999 SITE 1 AC2 13 GLN A 125 ARG A 128 TYR A 209 ILE A 214 SITE 2 AC2 13 GLY A 233 TRP A 234 TYR A 235 GLU A 239 SITE 3 AC2 13 ASN A 244 HEM A 901 HOH A 945 HOH A1015 SITE 4 AC2 13 HOH A1198 SITE 1 AC3 12 ARG A 243 TRP A 323 THR A 324 TRP A 325 SITE 2 AC3 12 PHE A 338 ARG A 340 TYR A 342 HEM A 901 SITE 3 AC3 12 HOH A1149 HOH A1182 HOH A1187 HOH A1194 CRYST1 81.085 93.068 62.769 90.00 90.00 90.00 P 21 21 2 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 0.012333 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010745 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015931 0.00000