HEADER TRANSPORT PROTEIN 24-AUG-05 2AT5 TITLE 1.22 A CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS TITLE 2 CONTAINING FE(III) DEUTEROPORPHYRIN IX COMPLEXED WITH NITRIC OXIDE AT TITLE 3 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 5 30-OCT-24 2AT5 1 REMARK REVDAT 4 23-AUG-23 2AT5 1 REMARK LINK 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 STRUCTURES JRNL TITL 2 OF MUTATED POSITIONS L123V AND L133V AND HEME ALTERED JRNL TITL 3 PROTEINS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.22 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN 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 : 1428 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 46 REMARK 3 SOLVENT ATOMS : 294 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 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 856 ; 3.130 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 686 ; 3.809 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 R. REMARK 3 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS REMARK 4 REMARK 4 2AT5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-SEP-05. REMARK 100 THE DEPOSITION ID IS D_1000034281. 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 : D*TREK 7.2SSIBETA, CRYSTALCLEAR REMARK 200 V. 1.3 D*TREK (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 : 10.60 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 X REMARK 300 AND THE FE(III) DEUTEROPORPHYRIN IX, AND CAN BE GENERATED BY THE REMARK 300 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 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 FDE X 185 NA 85.8 REMARK 620 3 FDE X 185 NB 89.0 90.6 REMARK 620 4 FDE X 185 NC 88.6 174.0 91.5 REMARK 620 5 FDE X 185 ND 87.2 89.0 176.2 88.4 REMARK 620 6 NO X 186 N 175.2 89.5 92.0 96.1 91.8 REMARK 620 N 1 2 3 4 5 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 FDE X 185 NA 85.8 REMARK 620 3 FDE X 185 NB 89.0 90.6 REMARK 620 4 FDE X 185 NC 88.6 174.0 91.5 REMARK 620 5 FDE X 185 ND 87.2 89.0 176.2 88.4 REMARK 620 6 NO X 186 N 175.2 89.5 92.0 96.1 91.8 REMARK 620 N 1 2 3 4 5 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 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FDE X 185 REMARK 800 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 COMPLEXED WITH REMARK 900 AMMONIA AT PH 7.5 REMARK 900 RELATED ID: 2AT6 RELATED DB: PDB REMARK 900 NITROPHORIN 4 CONTAINING FE(III) DEUTEROPORPHYRIN IX COMPLEXED WITH REMARK 900 WATER AT PH 5.6 REMARK 900 RELATED ID: 2AT8 RELATED DB: PDB REMARK 900 NITROPHORIN 4 CONTAINING FE(III) 2,4 DIMETHYL DEUTEROPORPHYRIN IX REMARK 900 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) HEME) REMARK 900 RELATED ID: 1X8O RELATED DB: PDB REMARK 900 NITROPHORIN 4 COMPLEXED WITH NITRIC OXIDE AT PH 5.6 (FERRIC(III) REMARK 900 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 NE2 HIS X 59 FE BFDE X 185 1555 1555 2.10 LINK FE AFDE X 185 N NO X 186 1555 1555 1.78 LINK FE BFDE X 185 N NO X 186 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