HEADER SIGNALING PROTEIN 05-AUG-14 4U9B TITLE CRYSTAL STRUCTURE OF AN H-NOX PROTEIN FROM S. ONEIDENSIS IN THE TITLE 2 FE(II)NO LIGATION STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NO-BINDING HEME-DEPENDENT SENSOR PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SHEWANELLA ONEIDENSIS; SOURCE 3 ORGANISM_TAXID: 211586; SOURCE 4 STRAIN: MR-1; SOURCE 5 GENE: SO_2144; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: RP523(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET20 KEYWDS H-NOX, HEMOPROTEIN, GAS SENSOR, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.A.HERZIK JR.,R.JONNALAGADDA,J.KURIYAN,M.A.MARLETTA REVDAT 4 27-SEP-23 4U9B 1 SOURCE KEYWDS JRNL REMARK REVDAT 3 15-OCT-14 4U9B 1 JRNL REVDAT 2 08-OCT-14 4U9B 1 JRNL REVDAT 1 01-OCT-14 4U9B 0 JRNL AUTH M.A.HERZIK,R.JONNALAGADDA,J.KURIYAN,M.A.MARLETTA JRNL TITL STRUCTURAL INSIGHTS INTO THE ROLE OF IRON-HISTIDINE BOND JRNL TITL 2 CLEAVAGE IN NITRIC OXIDE-INDUCED ACTIVATION OF H-NOX GAS JRNL TITL 3 SENSOR PROTEINS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 111 E4156 2014 JRNL REFN ESSN 1091-6490 JRNL PMID 25253889 JRNL DOI 10.1073/PNAS.1416936111 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.9_1692) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.82 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 45550 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.169 REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : 0.203 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.050 REMARK 3 FREE R VALUE TEST SET COUNT : 2302 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 33.8251 - 4.1554 0.98 2654 166 0.1551 0.1923 REMARK 3 2 4.1554 - 3.2992 0.97 2657 148 0.1454 0.1722 REMARK 3 3 3.2992 - 2.8824 0.97 2689 138 0.1521 0.1868 REMARK 3 4 2.8824 - 2.6189 0.99 2668 153 0.1534 0.1796 REMARK 3 5 2.6189 - 2.4313 0.99 2710 161 0.1504 0.1846 REMARK 3 6 2.4313 - 2.2880 0.99 2735 144 0.1489 0.2065 REMARK 3 7 2.2880 - 2.1734 0.99 2740 135 0.1570 0.2219 REMARK 3 8 2.1734 - 2.0788 0.99 2680 153 0.1590 0.2014 REMARK 3 9 2.0788 - 1.9988 0.99 2756 117 0.1753 0.1829 REMARK 3 10 1.9988 - 1.9298 0.99 2755 144 0.1871 0.2243 REMARK 3 11 1.9298 - 1.8695 0.99 2721 133 0.1929 0.2401 REMARK 3 12 1.8695 - 1.8161 0.99 2743 133 0.2223 0.2665 REMARK 3 13 1.8161 - 1.7683 0.99 2716 116 0.2455 0.3020 REMARK 3 14 1.7683 - 1.7251 0.99 2761 132 0.2653 0.2792 REMARK 3 15 1.7251 - 1.6859 0.99 2672 195 0.3037 0.3197 REMARK 3 16 1.6859 - 1.6500 0.94 2591 134 0.3303 0.3877 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.00 REMARK 3 SHRINKAGE RADIUS : 0.60 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.910 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.019 1543 REMARK 3 ANGLE : 0.864 2092 REMARK 3 CHIRALITY : 0.029 223 REMARK 3 PLANARITY : 0.003 266 REMARK 3 DIHEDRAL : 13.749 557 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4U9B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-AUG-14. REMARK 100 THE DEPOSITION ID IS D_1000203030. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUL-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.11 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45550 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 33.818 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.02900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.48700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 4U99 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: OBTAINED BY EQUILIBRATING A 2 OR 4 UL REMARK 280 DROP OF 1:1 PROTEIN: RESERVOIR AGAINST 700 UL RESERVOIR REMARK 280 CONTAINING 0.7 M NAH2PO4, 0.9 M K2HPO4. CRYOPROTECTION WAS REMARK 280 ACHIEVED BY CAREFULLY ADDING EQUAL DROP VOLUME OF MOTHER LIQUOR REMARK 280 CONTAINING 50% GLYCEROL. CRYSTALS WERE THEN TRANSFERRED INTO REMARK 280 MOTHER LIQUOR CONTAINING 30% GLYCEROL AND FLASH FROZEN IN LIQUID REMARK 280 NITROGEN. ALL CRYSTAL GROWTH AND MANIPULATION WAS PERFORMED REMARK 280 ANAEROBICALLY., VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 33.81800 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.35800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.81800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.35800 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 ASP A 181 REMARK 465 GLU A 182 REMARK 465 ASN A 183 REMARK 465 LEU A 184 REMARK 465 TYR A 185 REMARK 465 PHE A 186 REMARK 465 GLN A 187 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 HZ1 LYS A 40 O HOH A 302 1.49 REMARK 500 O HOH A 354 O HOH A 413 1.82 REMARK 500 O HOH A 417 O HOH A 418 1.87 REMARK 500 O HOH A 348 O HOH A 359 1.99 REMARK 500 O HOH A 402 O HOH A 403 2.06 REMARK 500 OE1 GLU A 24 O HOH A 301 2.14 REMARK 500 O HOH A 380 O HOH A 393 2.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 325 O HOH A 340 1554 2.17 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 LEU A 138 40.47 -106.86 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 A 380 DISTANCE = 5.84 ANGSTROMS 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 ZN A 203 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 139 SG REMARK 620 2 HIS A 161 NE2 113.9 REMARK 620 3 CYS A 164 SG 111.1 105.2 REMARK 620 4 CYS A 172 SG 101.8 107.3 117.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 NO A 202 N REMARK 620 2 HEM A 201 NA 94.6 REMARK 620 3 HEM A 201 NB 99.0 90.8 REMARK 620 4 HEM A 201 NC 95.2 170.2 87.6 REMARK 620 5 HEM A 201 ND 94.1 88.5 166.9 90.9 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NO A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PO4 A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 205 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4U99 RELATED DB: PDB REMARK 900 RELATED ID: 4U9G RELATED DB: PDB REMARK 900 RELATED ID: 4U9J RELATED DB: PDB REMARK 900 RELATED ID: 4U9K RELATED DB: PDB REMARK 900 RELATED ID: 2KII RELATED DB: PDB REMARK 900 RELATED ID: 2KIL RELATED DB: PDB DBREF 4U9B A 1 181 UNP Q8EF49 Q8EF49_SHEON 1 181 SEQADV 4U9B GLU A 182 UNP Q8EF49 EXPRESSION TAG SEQADV 4U9B ASN A 183 UNP Q8EF49 EXPRESSION TAG SEQADV 4U9B LEU A 184 UNP Q8EF49 EXPRESSION TAG SEQADV 4U9B TYR A 185 UNP Q8EF49 EXPRESSION TAG SEQADV 4U9B PHE A 186 UNP Q8EF49 EXPRESSION TAG SEQADV 4U9B GLN A 187 UNP Q8EF49 EXPRESSION TAG SEQRES 1 A 187 MET LYS GLY ILE ILE PHE ASN VAL LEU GLU ASP MET VAL SEQRES 2 A 187 VAL ALA GLN CYS GLY MET SER VAL TRP ASN GLU LEU LEU SEQRES 3 A 187 GLU LYS HIS ALA PRO LYS ASP ARG VAL TYR VAL SER ALA SEQRES 4 A 187 LYS SER TYR ALA GLU SER GLU LEU PHE SER ILE VAL GLN SEQRES 5 A 187 ASP VAL ALA GLN ARG LEU ASN MET PRO ILE GLN ASP VAL SEQRES 6 A 187 VAL LYS ALA PHE GLY GLN PHE LEU PHE ASN GLY LEU ALA SEQRES 7 A 187 SER ARG HIS THR ASP VAL VAL ASP LYS PHE ASP ASP PHE SEQRES 8 A 187 THR SER LEU VAL MET GLY ILE HIS ASP VAL ILE HIS LEU SEQRES 9 A 187 GLU VAL ASN LYS LEU TYR HIS GLU PRO SER LEU PRO HIS SEQRES 10 A 187 ILE ASN GLY GLN LEU LEU PRO ASN ASN GLN ILE ALA LEU SEQRES 11 A 187 ARG TYR SER SER PRO ARG ARG LEU CYS PHE CYS ALA GLU SEQRES 12 A 187 GLY LEU LEU PHE GLY ALA ALA GLN HIS PHE GLN GLN LYS SEQRES 13 A 187 ILE GLN ILE SER HIS ASP THR CYS MET HIS THR GLY ALA SEQRES 14 A 187 ASP HIS CYS MET LEU ILE ILE GLU LEU GLN ASN ASP GLU SEQRES 15 A 187 ASN LEU TYR PHE GLN HET HEM A 201 73 HET NO A 202 2 HET ZN A 203 1 HET PO4 A 204 5 HET GOL A 205 14 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM NO NITRIC OXIDE HETNAM ZN ZINC ION HETNAM PO4 PHOSPHATE ION HETNAM GOL GLYCEROL HETSYN HEM HEME HETSYN NO NITROGEN MONOXIDE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 NO N O FORMUL 4 ZN ZN 2+ FORMUL 5 PO4 O4 P 3- FORMUL 6 GOL C3 H8 O3 FORMUL 7 HOH *121(H2 O) HELIX 1 AA1 LYS A 2 GLY A 18 1 17 HELIX 2 AA2 GLY A 18 ALA A 30 1 13 HELIX 3 AA3 ALA A 43 ASN A 59 1 17 HELIX 4 AA4 PRO A 61 HIS A 81 1 21 HELIX 5 AA5 HIS A 81 ASP A 86 1 6 HELIX 6 AA6 ASP A 90 GLY A 97 1 8 HELIX 7 AA7 ASP A 100 TYR A 110 1 11 HELIX 8 AA8 LEU A 138 PHE A 153 1 16 HELIX 9 AA9 CYS A 164 GLY A 168 5 5 SHEET 1 AA1 4 HIS A 117 LEU A 122 0 SHEET 2 AA1 4 ILE A 128 SER A 133 -1 O SER A 133 N HIS A 117 SHEET 3 AA1 4 CYS A 172 GLN A 179 -1 O ILE A 176 N ILE A 128 SHEET 4 AA1 4 LYS A 156 THR A 163 -1 N SER A 160 O ILE A 175 LINK SG CYS A 139 ZN ZN A 203 1555 1555 2.33 LINK NE2 HIS A 161 ZN ZN A 203 1555 1555 2.13 LINK SG CYS A 164 ZN ZN A 203 1555 1555 2.26 LINK SG CYS A 172 ZN ZN A 203 1555 1555 2.31 LINK FE HEM A 201 N NO A 202 1555 1555 1.80 SITE 1 AC1 20 MET A 1 LYS A 2 LEU A 77 HIS A 81 SITE 2 AC1 20 LEU A 94 ILE A 98 ILE A 102 VAL A 106 SITE 3 AC1 20 PRO A 113 SER A 114 PRO A 116 TYR A 132 SITE 4 AC1 20 SER A 134 ARG A 136 LEU A 138 LEU A 145 SITE 5 AC1 20 LEU A 146 NO A 202 HOH A 362 HOH A 375 SITE 1 AC2 2 LEU A 115 HEM A 201 SITE 1 AC3 4 CYS A 139 HIS A 161 CYS A 164 CYS A 172 SITE 1 AC4 3 HIS A 99 HIS A 117 ASN A 119 SITE 1 AC5 8 GLN A 63 ASN A 107 LYS A 108 LEU A 109 SITE 2 AC5 8 ARG A 137 HIS A 166 HOH A 304 HOH A 312 CRYST1 67.636 86.716 33.822 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 0.014785 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011532 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029567 0.00000