HEADER TRANSPORT PROTEIN 24-AUG-05 2AT5 TITLE 1.22 A CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS TITLE 2 PROLIXUS CONTAINING FE(III) DEUTEROPORPHYRIN IX COMPLEXED TITLE 3 WITH NITRIC OXIDE AT PH 5.6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROPHORIN 4; COMPND 3 CHAIN: X; COMPND 4 SYNONYM: NP4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODNIUS PROLIXUS; SOURCE 3 ORGANISM_TAXID: 13249; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS LIPOCALIN, BETA BARREL, FERROUS, HEME ANALOG, FE(III) KEYWDS 2 DEUTEROPORPHYRIN IX, NITRIC OXIDE, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.M.AMOIA,W.R.MONTFORT REVDAT 3 24-FEB-09 2AT5 1 VERSN REVDAT 2 12-FEB-08 2AT5 3 ATOM REVDAT 1 22-AUG-06 2AT5 0 JRNL AUTH A.M.AMOIA,W.R.MONTFORT JRNL TITL HEME DISTORTION IN NITROPHORIN 4: HIGH RESOLUTION JRNL TITL 2 STRUCTURES OF MUTATED POSITIONS L123V AND L133V JRNL TITL 3 AND HEME ALTERED PROTEINS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.22 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.22 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.38 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.7 REMARK 3 NUMBER OF REFLECTIONS : 44644 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.118 REMARK 3 R VALUE (WORKING SET) : 0.118 REMARK 3 FREE R VALUE : 0.148 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2233 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.22 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.25 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3139 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.90 REMARK 3 BIN R VALUE (WORKING SET) : 0.1360 REMARK 3 BIN FREE R VALUE SET COUNT : 163 REMARK 3 BIN FREE R VALUE : 0.1700 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1714 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 85 REMARK 3 SOLVENT ATOMS : 307 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 11.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 7.58 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.15000 REMARK 3 B22 (A**2) : 0.06000 REMARK 3 B33 (A**2) : -0.21000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.044 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.041 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.020 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.984 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.971 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.957 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1822 ; 0.014 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1522 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2515 ; 1.674 ; 2.025 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3594 ; 0.927 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 243 ; 7.387 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 77 ;37.030 ;29.091 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 299 ;12.556 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 2 ; 9.032 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 264 ; 0.109 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2158 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 353 ; 0.003 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 450 ; 0.470 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1610 ; 0.230 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 846 ; 0.192 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1020 ; 0.089 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 206 ; 0.137 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): 1 ; 0.016 ; 0.200 REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.225 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 20 ; 0.212 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 64 ; 0.252 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 40 ; 0.170 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1429 ; 1.738 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 458 ; 0.608 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1827 ; 2.095 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 856 ; 3.130 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 686 ; 3.809 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 4029 ; 1.423 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 309 ; 7.737 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 3282 ; 2.867 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE REMARK 3 R. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS REMARK 4 REMARK 4 2AT5 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-SEP-05. REMARK 100 THE RCSB ID CODE IS RCSB034281. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JUL-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : BENT GE(111) REMARK 200 OPTICS : BENT CONICAL SI-MIRROR (RH REMARK 200 COATING) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR V. 1.3 D*TREK REMARK 200 (MSC/RIGAKU) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44702 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.220 REMARK 200 RESOLUTION RANGE LOW (A) : 20.380 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 200 DATA REDUNDANCY : 5.930 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : 0.06000 REMARK 200 FOR THE DATA SET : 24.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.22 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.26 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.8 REMARK 200 DATA REDUNDANCY IN SHELL : 5.74 REMARK 200 R MERGE FOR SHELL (I) : 0.18000 REMARK 200 R SYM FOR SHELL (I) : 0.18000 REMARK 200 FOR SHELL : 10.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 1X8O REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 22.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM PHOSPHATE, PH 5.6, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 300.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 35.10500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.33300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 35.10500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 21.33300 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 BIOLOGICAL ASSEMBLY IS A MONOMER CONSISTING OF CHAIN REMARK 300 X AND THE FE(III) DEUTEROPORPHYRIN IX, AND CAN BE GENERATED BY REMARK 300 THE IDENTITY OPERATION: 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: X 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 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 X 267 LIES ON A SPECIAL POSITION. REMARK 375 HOH X 323 LIES ON A SPECIAL POSITION. REMARK 375 HOH X 426 LIES ON A SPECIAL POSITION. REMARK 375 HOH X 446 LIES ON A SPECIAL POSITION. 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 PHE X 18 57.91 -91.35 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 X 349 DISTANCE = 5.18 ANGSTROMS REMARK 525 HOH X 489 DISTANCE = 5.02 ANGSTROMS REMARK 600 REMARK 600 HETEROGEN REMARK 600 FE(III) DEUTEROPORPHYRIN IX IS DISORDERED BY A ROTATION REMARK 600 OF 180 DEGREES AROUND THE CHA-FE-CHC AXIS WHICH IS REMARK 600 REFLECTED IN CONFORMATION A AND CONFORMATION B OF THE REMARK 600 LIGAND. REMARK 600 NITRIC OXIDE OCCUPIES THE SIXTH COORDINATION POSITION OF REMARK 600 THE FE(III) DEUTEROPORPHYRIN IX. 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 FDE X 185 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS X 59 NE2 REMARK 620 2 NO X 186 N 175.2 REMARK 620 3 HIS X 59 NE2 0.0 175.2 REMARK 620 4 NO X 186 N 175.2 0.0 175.2 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 X 187 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FDE X 185 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO X 186 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2AT4 RELATED DB: PDB REMARK 900 NITROPHORIN 4 CONTAINING FE(III) DEUTEROPORPHYRIN IX REMARK 900 COMPLEXED WITH AMMONIA AT PH 7.5 REMARK 900 RELATED ID: 2AT6 RELATED DB: PDB REMARK 900 NITROPHORIN 4 CONTAINING FE(III) DEUTEROPORPHYRIN IX REMARK 900 COMPLEXED WITH WATER AT PH 5.6 REMARK 900 RELATED ID: 2AT8 RELATED DB: PDB REMARK 900 NITROPHORIN 4 CONTAINING FE(III) 2,4 DIMETHYL REMARK 900 DEUTEROPORPHYRIN IX COMPLEXED WITH NITRIC OXIDE AT PH 5.6 REMARK 900 RELATED ID: 1YWB RELATED DB: PDB REMARK 900 NITROPHORIN 4 COMPLEXED WITH NITRIC OXIDE AT PH 5.6 (FE(II) REMARK 900 HEME) REMARK 900 RELATED ID: 1X8O RELATED DB: PDB REMARK 900 NITROPHORIN 4 COMPLEXED WITH NITRIC OXIDE AT PH 5.6 REMARK 900 (FERRIC(III) HEME) DBREF 2AT5 X 1 184 UNP Q94734 NP4_RHOPR 22 205 SEQRES 1 X 184 ALA CYS THR LYS ASN ALA ILE ALA GLN THR GLY PHE ASN SEQRES 2 X 184 LYS ASP LYS TYR PHE ASN GLY ASP VAL TRP TYR VAL THR SEQRES 3 X 184 ASP TYR LEU ASP LEU GLU PRO ASP ASP VAL PRO LYS ARG SEQRES 4 X 184 TYR CYS ALA ALA LEU ALA ALA GLY THR ALA SER GLY LYS SEQRES 5 X 184 LEU LYS GLU ALA LEU TYR HIS TYR ASP PRO LYS THR GLN SEQRES 6 X 184 ASP THR PHE TYR ASP VAL SER GLU LEU GLN VAL GLU SER SEQRES 7 X 184 LEU GLY LYS TYR THR ALA ASN PHE LYS LYS VAL ASP LYS SEQRES 8 X 184 ASN GLY ASN VAL LYS VAL ALA VAL THR ALA GLY ASN TYR SEQRES 9 X 184 TYR THR PHE THR VAL MET TYR ALA ASP ASP SER SER ALA SEQRES 10 X 184 LEU ILE HIS THR CYS LEU HIS LYS GLY ASN LYS ASP LEU SEQRES 11 X 184 GLY ASP LEU TYR ALA VAL LEU ASN ARG ASN LYS ASP ALA SEQRES 12 X 184 ALA ALA GLY ASP LYS VAL LYS SER ALA VAL SER ALA ALA SEQRES 13 X 184 THR LEU GLU PHE SER LYS PHE ILE SER THR LYS GLU ASN SEQRES 14 X 184 ASN CYS ALA TYR ASP ASN ASP SER LEU LYS SER LEU LEU SEQRES 15 X 184 THR LYS HET PO4 X 187 5 HET FDE X 185 78 HET NO X 186 2 HETNAM PO4 PHOSPHATE ION HETNAM FDE FE(III) DEUTEROPORPHYRIN IX HETNAM NO NITRIC OXIDE HETSYN NO NITROGEN MONOXIDE FORMUL 2 PO4 O4 P 3- FORMUL 3 FDE C30 H28 FE N4 O4 FORMUL 4 NO N O FORMUL 5 HOH *294(H2 O) HELIX 1 1 ASN X 13 PHE X 18 1 6 HELIX 2 2 GLU X 32 VAL X 36 5 5 HELIX 3 3 GLY X 146 ALA X 156 1 11 HELIX 4 4 GLU X 159 PHE X 163 5 5 HELIX 5 5 ASP X 174 LEU X 182 1 9 SHEET 1 A 7 VAL X 95 VAL X 97 0 SHEET 2 A 7 LYS X 87 VAL X 89 -1 N LYS X 88 O LYS X 96 SHEET 3 A 7 THR X 67 SER X 78 -1 N VAL X 71 O LYS X 87 SHEET 4 A 7 LYS X 52 TYR X 60 -1 N GLU X 55 O SER X 72 SHEET 5 A 7 CYS X 41 ALA X 49 -1 N GLY X 47 O LYS X 54 SHEET 6 A 7 ASN X 19 ASP X 30 -1 N TRP X 23 O LEU X 44 SHEET 7 A 7 ILE X 164 SER X 165 -1 O ILE X 164 N TYR X 28 SHEET 1 B 9 VAL X 95 VAL X 97 0 SHEET 2 B 9 LYS X 87 VAL X 89 -1 N LYS X 88 O LYS X 96 SHEET 3 B 9 THR X 67 SER X 78 -1 N VAL X 71 O LYS X 87 SHEET 4 B 9 LYS X 81 ASN X 85 -1 O THR X 83 N GLN X 75 SHEET 5 B 9 ASN X 103 ALA X 112 -1 O TYR X 105 N ALA X 84 SHEET 6 B 9 SER X 116 LYS X 125 -1 O HIS X 124 N TYR X 104 SHEET 7 B 9 LYS X 128 ASN X 138 -1 O LEU X 137 N ALA X 117 SHEET 8 B 9 ASN X 19 ASP X 30 -1 N LEU X 29 O TYR X 134 SHEET 9 B 9 ILE X 164 SER X 165 -1 O ILE X 164 N TYR X 28 SSBOND 1 CYS X 2 CYS X 122 1555 1555 2.02 SSBOND 2 CYS X 41 CYS X 171 1555 1555 2.01 LINK NE2 HIS X 59 FE AFDE X 185 1555 1555 2.10 LINK N NO X 186 FE AFDE X 185 1555 1555 1.78 LINK NE2 HIS X 59 FE BFDE X 185 1555 1555 2.10 LINK N NO X 186 FE BFDE X 185 1555 1555 1.78 SITE 1 AC1 8 THR X 10 GLY X 11 PRO X 37 LYS X 38 SITE 2 AC1 8 ARG X 39 LYS X 63 HOH X 410 HOH X 417 SITE 1 AC2 18 VAL X 25 PRO X 37 TYR X 40 LEU X 57 SITE 2 AC2 18 HIS X 59 ASP X 70 PHE X 86 LYS X 88 SITE 3 AC2 18 TYR X 105 ILE X 119 LEU X 123 LYS X 125 SITE 4 AC2 18 LYS X 128 LEU X 130 LEU X 133 NO X 186 SITE 5 AC2 18 HOH X 279 HOH X 351 SITE 1 AC3 4 LEU X 123 LEU X 130 LEU X 133 FDE X 185 CRYST1 70.210 42.666 53.005 90.00 94.27 90.00 C 1 2 1 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 0.014243 0.000000 0.001063 0.00000 SCALE2 0.000000 0.023438 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018919 0.00000 MASTER 326 0 3 5 16 0 8 6 0 0 0 15 END