HEADER OXIDOREDUCTASE 23-JUL-02 1M7Z TITLE STRUCTURE OF NITRIC OXIDE SYNTHASE HEME PROTEIN FROM TITLE 2 BACILLUS SUBTILIS WITH N-HYDROXY-ARGININE AND TITLE 3 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- COMPND 5 DERIVED RELAXATION FACTOR-FORMING ENZYME, ENDOTHELIUM- COMPND 6 DERIVED RELAXINGFACTOR 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, KEYWDS 2 HYDROXY ARGININE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.PANT,A.M.BILWES,S.ADAK,D.J.STUEHR,B.R.CRANE 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 JRNL TITL 2 FROM BACILLUS SUBTILIS. JRNL REF BIOCHEMISTRY V. 41 11071 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12220171 JRNL DOI 10.1021/BI0263715 REMARK 1 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) : 1.50 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.55 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. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUL-02. REMARK 100 THE RCSB ID CODE IS RCSB016709. 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 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 A1006 DISTANCE = 5.27 ANGSTROMS REMARK 525 HOH A1048 DISTANCE = 5.71 ANGSTROMS REMARK 525 HOH A1120 DISTANCE = 5.26 ANGSTROMS 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 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HAR A 909 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 REMARK 900 BACILLUS 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