HEADER DNA BINDING PROTEIN 13-NOV-24 9EBR TITLE THE STRUCTURE OF NIAR FROM THERMOTOGA MARITIMA BOUND TO NICOTINIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE TRANSCRIPTION REPRESSOR NIAR; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA; SOURCE 3 ORGANISM_TAXID: 2336; SOURCE 4 GENE: NIAR, TM_1602; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS COREPRESSOR, REGULATORY PROTEIN, METALLOPROTEIN, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.GLASFELD,D.W.C.CHENG,Y.LI REVDAT 3 02-APR-25 9EBR 1 JRNL REVDAT 2 19-FEB-25 9EBR 1 JRNL REVDAT 1 22-JAN-25 9EBR 0 SPRSDE 22-JAN-25 9EBR 9BUL JRNL AUTH W.C.D.CHENG,Y.LI,M.NAKASHIMA,P.MOENNE-LOCCOZ,K.W.RUSH, JRNL AUTH 2 A.GLASFELD JRNL TITL THE ACTIVATION OF THE METAL-CONTAINING REGULATORY PROTEIN JRNL TITL 2 NIAR FROM THERMOTOGA MARITIMA BY ITS EFFECTOR, NICOTINIC JRNL TITL 3 ACID. JRNL REF J.BIOL.INORG.CHEM. V. 30 169 2025 JRNL REFN ESSN 1432-1327 JRNL PMID 39899144 JRNL DOI 10.1007/S00775-025-02096-Y REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.33 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 12205 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.220 REMARK 3 R VALUE (WORKING SET) : 0.217 REMARK 3 FREE R VALUE : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.030 REMARK 3 FREE R VALUE TEST SET COUNT : 614 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 35.3300 - 3.6500 1.00 2993 162 0.1704 0.2197 REMARK 3 2 3.6500 - 2.9000 1.00 2865 167 0.2936 0.3206 REMARK 3 3 2.9000 - 2.5300 1.00 2874 140 0.2756 0.3055 REMARK 3 4 2.5300 - 2.3000 1.00 2859 145 0.3463 0.4072 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.328 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 35.414 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 65.89 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 86.35 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 : 0.008 1353 REMARK 3 ANGLE : 0.971 1822 REMARK 3 CHIRALITY : 0.052 215 REMARK 3 PLANARITY : 0.009 234 REMARK 3 DIHEDRAL : 16.549 530 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 6 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ( CHAIN A AND RESID 6:48 ) REMARK 3 ORIGIN FOR THE GROUP (A): -23.257 -20.269 11.175 REMARK 3 T TENSOR REMARK 3 T11: 0.6976 T22: 0.5137 REMARK 3 T33: 0.5215 T12: 0.0086 REMARK 3 T13: 0.0227 T23: 0.0474 REMARK 3 L TENSOR REMARK 3 L11: 9.5825 L22: 8.2463 REMARK 3 L33: 9.0972 L12: -2.6555 REMARK 3 L13: 0.0197 L23: -6.7882 REMARK 3 S TENSOR REMARK 3 S11: -0.7871 S12: -0.4278 S13: -0.2220 REMARK 3 S21: 0.4050 S22: 0.1423 S23: -0.5265 REMARK 3 S31: -0.3373 S32: 0.9195 S33: 0.6646 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: ( CHAIN A AND RESID 49:68 ) REMARK 3 ORIGIN FOR THE GROUP (A): -14.064 -18.841 5.198 REMARK 3 T TENSOR REMARK 3 T11: 0.7671 T22: 0.8698 REMARK 3 T33: 0.8530 T12: -0.0488 REMARK 3 T13: 0.0497 T23: 0.1089 REMARK 3 L TENSOR REMARK 3 L11: 9.0745 L22: 9.8775 REMARK 3 L33: 8.9896 L12: -3.5494 REMARK 3 L13: -3.6410 L23: 6.1759 REMARK 3 S TENSOR REMARK 3 S11: 0.3955 S12: -0.7022 S13: 0.8565 REMARK 3 S21: -0.7894 S22: -0.0990 S23: -1.6794 REMARK 3 S31: -1.0686 S32: 0.8257 S33: -0.3992 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: ( CHAIN A AND RESID 69:98 ) REMARK 3 ORIGIN FOR THE GROUP (A): 13.013 -33.472 6.624 REMARK 3 T TENSOR REMARK 3 T11: 0.8725 T22: 0.6124 REMARK 3 T33: 0.6996 T12: -0.2740 REMARK 3 T13: -0.2834 T23: 0.0763 REMARK 3 L TENSOR REMARK 3 L11: 6.4567 L22: 6.3242 REMARK 3 L33: 8.0828 L12: -0.4820 REMARK 3 L13: 1.7420 L23: -0.3560 REMARK 3 S TENSOR REMARK 3 S11: 0.3477 S12: -0.9946 S13: -0.5726 REMARK 3 S21: 1.0222 S22: -0.0967 S23: -0.5123 REMARK 3 S31: 0.4475 S32: -0.0985 S33: -0.1047 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: ( CHAIN A AND RESID 99:112 ) REMARK 3 ORIGIN FOR THE GROUP (A): 19.446 -25.603 -6.594 REMARK 3 T TENSOR REMARK 3 T11: 0.6514 T22: 0.5946 REMARK 3 T33: 0.6812 T12: -0.2545 REMARK 3 T13: -0.1656 T23: 0.0490 REMARK 3 L TENSOR REMARK 3 L11: 9.0675 L22: 2.7161 REMARK 3 L33: 7.5233 L12: 5.0325 REMARK 3 L13: -7.5515 L23: -3.9897 REMARK 3 S TENSOR REMARK 3 S11: 0.6531 S12: 0.5631 S13: 0.4035 REMARK 3 S21: 0.1742 S22: 0.3921 S23: -0.2133 REMARK 3 S31: -0.6161 S32: -0.4656 S33: -0.9191 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: ( CHAIN A AND RESID 113:133 ) REMARK 3 ORIGIN FOR THE GROUP (A): 6.121 -38.491 -1.368 REMARK 3 T TENSOR REMARK 3 T11: 0.8226 T22: 0.6912 REMARK 3 T33: 0.7978 T12: -0.3452 REMARK 3 T13: -0.2474 T23: 0.0871 REMARK 3 L TENSOR REMARK 3 L11: 2.4424 L22: 6.9328 REMARK 3 L33: 6.6991 L12: -1.7774 REMARK 3 L13: 0.9015 L23: -1.9419 REMARK 3 S TENSOR REMARK 3 S11: 0.5116 S12: -0.3512 S13: -1.3050 REMARK 3 S21: 0.2471 S22: -0.3172 S23: 0.2709 REMARK 3 S31: 1.1941 S32: -0.7693 S33: -0.2209 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: ( CHAIN A AND RESID 134:173 ) REMARK 3 ORIGIN FOR THE GROUP (A): 16.417 -31.052 7.135 REMARK 3 T TENSOR REMARK 3 T11: 0.9268 T22: 0.7973 REMARK 3 T33: 0.7777 T12: -0.2895 REMARK 3 T13: -0.3454 T23: 0.0657 REMARK 3 L TENSOR REMARK 3 L11: 9.5408 L22: 5.6765 REMARK 3 L33: 7.8144 L12: -1.7422 REMARK 3 L13: 3.9315 L23: 0.0735 REMARK 3 S TENSOR REMARK 3 S11: -0.0816 S12: -1.1695 S13: 0.5480 REMARK 3 S21: 1.9581 S22: -0.1672 S23: -0.9653 REMARK 3 S31: 0.1898 S32: 0.0143 S33: 0.0508 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 9EBR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-NOV-24. REMARK 100 THE DEPOSITION ID IS D_1000290129. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-FEB-22 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 : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : .97946 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12235 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 35.330 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 10.00 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 35.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M L-PROLINE, 0.1 M HEPES PH 7.5, REMARK 280 10% (W/V) PEG 3350, .001 M NICOTINIC ACID, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 44.55867 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 22.27933 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 22.27933 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 44.55867 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -40.0 KCAL/MOL 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -22.27933 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 MET A 1 REMARK 465 HIS A 2 REMARK 465 MET A 3 REMARK 465 LYS A 4 REMARK 465 THR A 5 REMARK 465 GLU A 174 REMARK 465 GLY A 175 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 ILE A 115 -56.18 -121.85 REMARK 500 MET A 132 -165.28 -76.01 REMARK 500 REMARK 500 REMARK: NULL 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 FE2 A 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 79 NE2 REMARK 620 2 GLU A 87 OE1 92.9 REMARK 620 3 GLU A 87 OE2 77.8 53.5 REMARK 620 4 HIS A 146 NE2 97.4 160.3 112.6 REMARK 620 5 HIS A 148 NE2 172.8 81.4 95.3 86.9 REMARK 620 6 NIO A 202 N 107.9 95.8 149.3 96.8 77.1 REMARK 620 N 1 2 3 4 5 DBREF 9EBR A 1 175 UNP Q9X1T8 NIAR_THEMA 1 175 SEQRES 1 A 175 MET HIS MET LYS THR VAL ARG GLN GLU ARG LEU LYS SER SEQRES 2 A 175 ILE VAL ARG ILE LEU GLU ARG SER LYS GLU PRO VAL SER SEQRES 3 A 175 GLY ALA GLN LEU ALA GLU GLU LEU SER VAL SER ARG GLN SEQRES 4 A 175 VAL ILE VAL GLN ASP ILE ALA TYR LEU ARG SER LEU GLY SEQRES 5 A 175 TYR ASN ILE VAL ALA THR PRO ARG GLY TYR VAL LEU ALA SEQRES 6 A 175 GLY GLY LYS SER GLY VAL SER ARG LEU VAL ALA VAL LYS SEQRES 7 A 175 HIS ALA PRO GLU GLU ILE LYS GLU GLU LEU LEU CYS VAL SEQRES 8 A 175 VAL ARG ASN GLY GLY ARG ILE VAL ASP VAL ILE VAL GLU SEQRES 9 A 175 HIS PRO VAL TYR GLY GLU ILE ARG GLY ILE ILE ASP VAL SEQRES 10 A 175 SER SER GLU GLU GLU VAL LEU LYS PHE VAL ASN LEU MET SEQRES 11 A 175 GLU MET ALA LYS THR GLU PRO LEU LEU THR LEU SER GLY SEQRES 12 A 175 GLY VAL HIS LEU HIS THR ILE GLU ALA PRO ASP GLU GLU SEQRES 13 A 175 THR MET GLU ARG ILE MET ARG GLU LEU LYS LYS LYS GLY SEQRES 14 A 175 PHE LEU ILE GLU GLU GLY HET FE2 A 201 1 HET NIO A 202 13 HET PRO A 203 8 HETNAM FE2 FE (II) ION HETNAM NIO NICOTINIC ACID HETNAM PRO PROLINE FORMUL 2 FE2 FE 2+ FORMUL 3 NIO C6 H5 N O2 FORMUL 4 PRO C5 H9 N O2 FORMUL 5 HOH *9(H2 O) HELIX 1 AA1 VAL A 6 SER A 21 1 16 HELIX 2 AA2 SER A 26 SER A 35 1 10 HELIX 3 AA3 SER A 37 GLY A 52 1 16 HELIX 4 AA4 ALA A 80 GLU A 82 5 3 HELIX 5 AA5 GLU A 83 ASN A 94 1 12 HELIX 6 AA6 SER A 119 GLU A 131 1 13 HELIX 7 AA7 PRO A 137 LEU A 141 5 5 HELIX 8 AA8 ASP A 154 LYS A 168 1 15 SHEET 1 AA1 2 ASN A 54 THR A 58 0 SHEET 2 AA1 2 GLY A 61 ALA A 65 -1 O ALA A 65 N ASN A 54 SHEET 1 AA2 4 VAL A 71 LYS A 78 0 SHEET 2 AA2 4 VAL A 145 ALA A 152 -1 O ILE A 150 N ARG A 73 SHEET 3 AA2 4 ARG A 97 HIS A 105 -1 N ILE A 102 O LEU A 147 SHEET 4 AA2 4 GLY A 109 VAL A 117 -1 O GLY A 109 N HIS A 105 LINK NE2 HIS A 79 FE FE2 A 201 1555 1555 2.24 LINK OE1 GLU A 87 FE FE2 A 201 1555 1555 2.17 LINK OE2 GLU A 87 FE FE2 A 201 1555 1555 2.58 LINK NE2 HIS A 146 FE FE2 A 201 1555 1555 2.30 LINK NE2 HIS A 148 FE FE2 A 201 1555 1555 2.26 LINK FE FE2 A 201 N NIO A 202 1555 1555 2.39 CRYST1 83.243 83.243 66.838 90.00 90.00 120.00 P 32 2 1 6 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 0.012013 0.006936 0.000000 0.00000 SCALE2 0.000000 0.013871 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014962 0.00000 CONECT 571 1322 CONECT 635 1322 CONECT 636 1322 CONECT 1094 1322 CONECT 1112 1322 CONECT 1322 571 635 636 1094 CONECT 1322 1112 1323 CONECT 1323 1322 1324 1328 CONECT 1324 1323 1325 1332 CONECT 1325 1324 1326 1329 CONECT 1326 1325 1327 1333 CONECT 1327 1326 1328 1334 CONECT 1328 1323 1327 1335 CONECT 1329 1325 1330 1331 CONECT 1330 1329 CONECT 1331 1329 CONECT 1332 1324 CONECT 1333 1326 CONECT 1334 1327 CONECT 1335 1328 MASTER 345 0 3 8 6 0 0 6 1341 1 20 14 END