HEADER OXIDOREDUCTASE 22-JUL-02 1M7V TITLE STRUCTURE OF A NITRIC OXIDE SYNTHASE HEME PROTEIN FROM TITLE 2 BACILLUS SUBTILIS WITH TETRAHYDROFOLATE AND ARGININE BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITRIC OXIDE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.14.13.39; COMPND 5 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 PTERIN OXYGENASE, BACTERIA, NITRIC OXIDE, HEME, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.PANT,A.M.BILWES,S.ADAK,D.J.STUEHR,B.R.CRANE REVDAT 2 24-FEB-09 1M7V 1 VERSN REVDAT 1 30-OCT-02 1M7V 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. 1.95 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) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1406462.310 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 44343 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) : 0.225 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1748 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5496 REMARK 3 BIN R VALUE (WORKING SET) : 0.3220 REMARK 3 BIN FREE R VALUE : 0.3330 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 276 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 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 : 87 REMARK 3 SOLVENT ATOMS : 258 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -12.57000 REMARK 3 B22 (A**2) : 0.21000 REMARK 3 B33 (A**2) : 12.36000 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.27 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) : 0.30 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.30 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) : 0.980 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.670 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.410 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.200 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 27.16 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 : ARG.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : TOPH19X.HEME REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : THF-6.TOP REMARK 3 TOPOLOGY FILE 5 : ARG.TOP REMARK 3 TOPOLOGY FILE 6 : 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 1M7V COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-JUL-02. REMARK 100 THE RCSB ID CODE IS RCSB016705. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-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 : 44343 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.940 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 (%) : 99.7 REMARK 200 DATA REDUNDANCY : 8.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05900 REMARK 200 FOR THE DATA SET : 27.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.94 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.98 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.39900 REMARK 200 FOR SHELL : 2.500 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 (%): 56.17 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.81 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 40.57750 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.27650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.57750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.27650 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 BIOLOGICALLY ACTIVE DIMER IS REMARK 300 GENERATED BY 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 92.55300 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 A2329 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 SER A 134 REMARK 465 ASP A 135 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: 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 -62.65 -98.40 REMARK 500 ALA A 229 72.24 -157.72 REMARK 500 ARG A 243 -69.46 -127.07 REMARK 500 ARG A 250 -129.93 -119.48 REMARK 500 ASN A 344 44.00 -89.06 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 A2216 DISTANCE = 5.54 ANGSTROMS REMARK 525 HOH A2226 DISTANCE = 6.79 ANGSTROMS REMARK 525 HOH A2306 DISTANCE = 8.54 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ARG A 2000 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 901 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: 1DWW RELATED DB: PDB REMARK 900 MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER N- REMARK 900 HYDROXYARGININE AND DIHYDROBIOPTERIN REMARK 900 RELATED ID: 1M7Z RELATED DB: PDB REMARK 900 STRUCTURE OF NITRIC OXIDE SYNTHASE HEME PROTEIN FROM REMARK 900 BACILLUS SUBTILIS WITH N-HYDROXY-ARGININE AND REMARK 900 TETRAHYDROFOLATE BOUND 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. DBREF 1M7V A 24 359 UNP O34453 NOSO_BACSU 1 336 SEQRES 1 A 363 GLY SER HIS MET GLU ILE LEU TRP ASN GLU ALA LYS ALA SEQRES 2 A 363 PHE ILE ALA GLU CYS TYR GLN GLU LEU GLY LYS GLU GLU SEQRES 3 A 363 GLU VAL LYS ASP ARG LEU ASP SER ILE LYS SER GLU ILE SEQRES 4 A 363 ASP ARG THR GLY SER TYR VAL HIS THR LYS GLU GLU LEU SEQRES 5 A 363 GLU HIS GLY ALA LYS MET ALA TRP ARG ASN SER ASN ARG SEQRES 6 A 363 CYS ILE GLY ARG LEU PHE TRP ASN SER LEU ASN VAL ILE SEQRES 7 A 363 ASP ARG ARG ASP VAL ARG THR LYS GLU ASP VAL ARG ASP SEQRES 8 A 363 ALA LEU PHE HIS HIS ILE GLU THR ALA THR ASN ASN GLY SEQRES 9 A 363 LYS ILE ARG PRO SER ILE THR ILE PHE PRO PRO GLU GLU SEQRES 10 A 363 LYS GLY GLU LYS GLN VAL GLU ILE TRP ASN HIS GLN LEU SEQRES 11 A 363 ILE ARG TYR ALA GLY TYR GLU SER ASP GLY GLU ARG ILE SEQRES 12 A 363 GLY ASP PRO ALA SER ARG SER LEU THR ALA ALA CYS GLU SEQRES 13 A 363 GLN LEU GLY TRP ARG GLY GLU ARG THR ASP PHE ASP LEU SEQRES 14 A 363 LEU PRO LEU ILE PHE ARG MET ARG GLY ASP GLU GLN PRO SEQRES 15 A 363 VAL TRP TYR GLU LEU PRO ARG SER LEU VAL ILE GLU VAL SEQRES 16 A 363 PRO ILE THR HIS PRO ASP ILE GLU ALA PHE SER ASP LEU SEQRES 17 A 363 GLU LEU LYS TRP TYR GLY VAL PRO ILE ILE SER ASP MET SEQRES 18 A 363 LYS LEU GLU VAL GLY GLY ILE HIS TYR ASN ALA ALA PRO SEQRES 19 A 363 PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY ALA ARG SEQRES 20 A 363 ASN LEU ALA ASP GLU LYS ARG TYR ASP LYS LEU LYS LYS SEQRES 21 A 363 VAL ALA SER VAL ILE GLY ILE SER THR ASN TYR ASN THR SEQRES 22 A 363 ASP LEU TRP LYS ASP GLN ALA LEU VAL GLU LEU ASN LYS SEQRES 23 A 363 ALA VAL LEU TYR SER TYR LYS LYS GLN GLY VAL SER ILE SEQRES 24 A 363 VAL ASP HIS HIS THR ALA ALA SER GLN PHE LYS ARG PHE SEQRES 25 A 363 GLU GLU GLN GLU GLU GLU ALA GLY ARG LYS LEU THR GLY SEQRES 26 A 363 ASP TRP THR TRP LEU ILE PRO PRO ILE SER PRO ALA ALA SEQRES 27 A 363 THR HIS ILE PHE HIS ARG SER TYR ASP ASN SER ILE VAL SEQRES 28 A 363 LYS PRO ASN TYR PHE TYR GLN ASP LYS PRO TYR GLU HET ARG A2000 12 HET HEM A 901 43 HET THG A1999 32 HETNAM ARG ARGININE HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM THG (6S)-5,6,7,8-TETRAHYDROFOLATE HETSYN HEM HEME FORMUL 2 ARG C6 H15 N4 O2 1+ FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 THG C19 H23 N7 O6 FORMUL 5 HOH *258(H2 O) HELIX 1 1 GLY A -3 GLY A 19 1 23 HELIX 2 2 LYS A 20 GLU A 22 5 3 HELIX 3 3 GLU A 23 THR A 38 1 16 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 SER A 144 GLN A 153 1 10 HELIX 9 9 ILE A 198 GLU A 205 5 8 HELIX 10 10 GLY A 237 ALA A 242 1 6 HELIX 11 11 LYS A 253 ILE A 261 1 9 HELIX 12 12 TYR A 267 ASP A 270 5 4 HELIX 13 13 LEU A 271 GLY A 292 1 22 HELIX 14 14 ASP A 297 ALA A 315 1 19 HELIX 15 15 ASP A 322 ILE A 327 1 6 HELIX 16 16 SER A 331 ARG A 340 5 10 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 GLY A 131 TYR A 132 0 SHEET 2 C 2 ILE A 139 GLY A 140 -1 O ILE A 139 N TYR A 132 SHEET 1 D 2 GLU A 190 PRO A 192 0 SHEET 2 D 2 LYS A 207 TYR A 209 -1 O TRP A 208 N VAL A 191 SHEET 1 E 3 ILE A 224 TYR A 226 0 SHEET 2 E 3 LYS A 218 VAL A 221 -1 N LEU A 219 O TYR A 226 SHEET 3 E 3 ASN A 350 PHE A 352 -1 O PHE A 352 N LYS A 218 SHEET 1 F 2 TYR A 235 MET A 236 0 SHEET 2 F 2 ILE A 295 VAL A 296 1 O VAL A 296 N TYR A 235 LINK OXT ARG A2000 ND2 ASN A 244 1555 1555 2.67 LINK SG CYS A 62 FE HEM A 901 1555 1555 2.44 CISPEP 1 LYS A 348 PRO A 349 0 -0.38 SITE 1 AC1 11 GLN A 125 ARG A 128 TYR A 209 ILE A 214 SITE 2 AC1 11 TRP A 234 TYR A 235 GLU A 239 ASN A 244 SITE 3 AC1 11 HEM A 901 HOH A2007 HOH A2045 SITE 1 AC2 17 TRP A 56 SER A 59 CYS A 62 PHE A 231 SITE 2 AC2 17 ASN A 232 GLY A 233 TRP A 234 GLU A 239 SITE 3 AC2 17 TRP A 325 TYR A 351 TYR A 353 THG A1999 SITE 4 AC2 17 ARG A2000 HOH A2051 HOH A2082 HOH A2148 SITE 5 AC2 17 HOH A2220 SITE 1 AC3 13 ARG A 243 ASP A 322 TRP A 323 THR A 324 SITE 2 AC3 13 TRP A 325 PHE A 338 ARG A 340 SER A 341 SITE 3 AC3 13 TYR A 342 ASN A 344 HEM A 901 HOH A2301 SITE 4 AC3 13 HOH A2325 CRYST1 81.155 92.553 62.939 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 0.012322 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010805 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015888 0.00000