HEADER HYDROLASE 07-NOV-06 2NTK TITLE CRYSTAL STRUCTURE OF PURO/IMP FROM METHANOTHERMOBACTER TITLE 2 THERMOAUTOTROPHICUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: IMP CYCLOHYDROLASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: INOSINICASE, IMP SYNTHETASE; COMPND 5 EC: 3.5.4.10; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOTHERMOBACTER THERMAUTOTROPHICUS; SOURCE 3 ORGANISM_TAXID: 145262; SOURCE 4 GENE: PURO; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS ALPHA-BETA-BETA-ALPHA NTN HYDROLASE FOLD, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.N.KANG,A.TRAN,R.H.WHITE,S.E.EALICK REVDAT 4 30-AUG-23 2NTK 1 REMARK SEQADV REVDAT 3 24-FEB-09 2NTK 1 VERSN REVDAT 2 08-MAY-07 2NTK 1 JRNL REVDAT 1 24-APR-07 2NTK 0 JRNL AUTH Y.N.KANG,A.TRAN,R.H.WHITE,S.E.EALICK JRNL TITL A NOVEL FUNCTION FOR THE N-TERMINAL NUCLEOPHILE HYDROLASE JRNL TITL 2 FOLD DEMONSTRATED BY THE STRUCTURE OF AN ARCHAEAL INOSINE JRNL TITL 3 MONOPHOSPHATE CYCLOHYDROLASE. JRNL REF BIOCHEMISTRY V. 46 5050 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17407260 JRNL DOI 10.1021/BI061637J REMARK 2 REMARK 2 RESOLUTION. 2.03 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.03 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.45 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 862209.910 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.6 REMARK 3 NUMBER OF REFLECTIONS : 59591 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) : 0.218 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 6017 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 2.03 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.16 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 82.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 8195 REMARK 3 BIN R VALUE (WORKING SET) : 0.2810 REMARK 3 BIN FREE R VALUE : 0.3080 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 958 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6179 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 92 REMARK 3 SOLVENT ATOMS : 200 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 8.32000 REMARK 3 B22 (A**2) : 8.32000 REMARK 3 B33 (A**2) : -16.64000 REMARK 3 B12 (A**2) : 6.91000 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) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.23 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) : 0.27 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.780 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) : 3.120 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.870 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.830 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.030 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 67.75 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_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : IMP_P REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : IMP_P REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2NTK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-NOV-06. REMARK 100 THE DEPOSITION ID IS D_1000040284. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-MAR-05 REMARK 200 TEMPERATURE (KELVIN) : 100 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 : 8-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97949 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 65280 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.030 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04300 REMARK 200 FOR THE DATA SET : 26.9900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.03 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.21500 REMARK 200 FOR SHELL : 6.270 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1KUU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.76 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25-30% MPD, 0.2M AMMONIUM ACETATE, REMARK 280 0.1M SODIUM CITRATE BUFFER, PH 5.6, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 295.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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 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 82.96133 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 41.48067 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9090 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 29440 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 MET A -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 MET B -19 REMARK 465 GLY B -18 REMARK 465 SER B -17 REMARK 465 SER B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 SER B -9 REMARK 465 SER B -8 REMARK 465 GLY B -7 REMARK 465 LEU B -6 REMARK 465 VAL B -5 REMARK 465 PRO B -4 REMARK 465 ARG B -3 REMARK 465 GLY B -2 REMARK 465 SER B -1 REMARK 465 HIS B 0 REMARK 465 MET C -19 REMARK 465 GLY C -18 REMARK 465 SER C -17 REMARK 465 SER C -16 REMARK 465 HIS C -15 REMARK 465 HIS C -14 REMARK 465 HIS C -13 REMARK 465 HIS C -12 REMARK 465 HIS C -11 REMARK 465 HIS C -10 REMARK 465 SER C -9 REMARK 465 SER C -8 REMARK 465 GLY C -7 REMARK 465 LEU C -6 REMARK 465 VAL C -5 REMARK 465 PRO C -4 REMARK 465 ARG C -3 REMARK 465 GLY C -2 REMARK 465 SER C -1 REMARK 465 HIS C 0 REMARK 465 MET D -19 REMARK 465 GLY D -18 REMARK 465 SER D -17 REMARK 465 SER D -16 REMARK 465 HIS D -15 REMARK 465 HIS D -14 REMARK 465 HIS D -13 REMARK 465 HIS D -12 REMARK 465 HIS D -11 REMARK 465 HIS D -10 REMARK 465 SER D -9 REMARK 465 SER D -8 REMARK 465 GLY D -7 REMARK 465 LEU D -6 REMARK 465 VAL D -5 REMARK 465 PRO D -4 REMARK 465 ARG D -3 REMARK 465 GLY D -2 REMARK 465 SER D -1 REMARK 465 HIS D 0 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 ASP A 102 -179.11 66.44 REMARK 500 ASP A 106 -167.45 -115.51 REMARK 500 ASN A 118 -165.59 -125.60 REMARK 500 GLU A 149 -69.80 71.76 REMARK 500 ALA A 160 142.93 179.42 REMARK 500 VAL A 183 -61.54 -123.41 REMARK 500 ASP B 102 -178.45 66.49 REMARK 500 ASP B 106 -166.68 -115.45 REMARK 500 ASN B 118 -166.84 -127.19 REMARK 500 GLU B 149 -71.42 71.46 REMARK 500 ALA B 160 142.61 179.61 REMARK 500 VAL B 183 -60.27 -122.74 REMARK 500 ASP C 102 -178.78 66.53 REMARK 500 ASP C 106 -166.45 -114.29 REMARK 500 ASN C 118 -166.89 -125.41 REMARK 500 GLU C 149 -71.25 72.72 REMARK 500 ALA C 160 142.51 -179.91 REMARK 500 VAL C 183 -60.11 -123.63 REMARK 500 ASP D 102 -178.71 66.54 REMARK 500 ASP D 106 -167.39 -115.68 REMARK 500 ASN D 118 -164.60 -126.08 REMARK 500 GLU D 149 -71.22 71.43 REMARK 500 ALA D 160 144.37 179.85 REMARK 500 VAL D 183 -60.36 -124.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMP A 205 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMP B 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMP C 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMP D 208 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2NTL RELATED DB: PDB REMARK 900 RELATED ID: 2NTM RELATED DB: PDB DBREF 2NTK A 1 202 UNP O27099 PURO_METTH 1 202 DBREF 2NTK B 1 202 UNP O27099 PURO_METTH 1 202 DBREF 2NTK C 1 202 UNP O27099 PURO_METTH 1 202 DBREF 2NTK D 1 202 UNP O27099 PURO_METTH 1 202 SEQADV 2NTK MET A -19 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY A -18 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER A -17 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER A -16 UNP O27099 CLONING ARTIFACT SEQADV 2NTK HIS A -15 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS A -14 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS A -13 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS A -12 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS A -11 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS A -10 UNP O27099 EXPRESSION TAG SEQADV 2NTK SER A -9 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER A -8 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY A -7 UNP O27099 CLONING ARTIFACT SEQADV 2NTK LEU A -6 UNP O27099 CLONING ARTIFACT SEQADV 2NTK VAL A -5 UNP O27099 CLONING ARTIFACT SEQADV 2NTK PRO A -4 UNP O27099 CLONING ARTIFACT SEQADV 2NTK ARG A -3 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY A -2 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER A -1 UNP O27099 CLONING ARTIFACT SEQADV 2NTK HIS A 0 UNP O27099 CLONING ARTIFACT SEQADV 2NTK MET B -19 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY B -18 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER B -17 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER B -16 UNP O27099 CLONING ARTIFACT SEQADV 2NTK HIS B -15 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS B -14 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS B -13 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS B -12 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS B -11 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS B -10 UNP O27099 EXPRESSION TAG SEQADV 2NTK SER B -9 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER B -8 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY B -7 UNP O27099 CLONING ARTIFACT SEQADV 2NTK LEU B -6 UNP O27099 CLONING ARTIFACT SEQADV 2NTK VAL B -5 UNP O27099 CLONING ARTIFACT SEQADV 2NTK PRO B -4 UNP O27099 CLONING ARTIFACT SEQADV 2NTK ARG B -3 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY B -2 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER B -1 UNP O27099 CLONING ARTIFACT SEQADV 2NTK HIS B 0 UNP O27099 CLONING ARTIFACT SEQADV 2NTK MET C -19 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY C -18 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER C -17 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER C -16 UNP O27099 CLONING ARTIFACT SEQADV 2NTK HIS C -15 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS C -14 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS C -13 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS C -12 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS C -11 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS C -10 UNP O27099 EXPRESSION TAG SEQADV 2NTK SER C -9 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER C -8 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY C -7 UNP O27099 CLONING ARTIFACT SEQADV 2NTK LEU C -6 UNP O27099 CLONING ARTIFACT SEQADV 2NTK VAL C -5 UNP O27099 CLONING ARTIFACT SEQADV 2NTK PRO C -4 UNP O27099 CLONING ARTIFACT SEQADV 2NTK ARG C -3 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY C -2 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER C -1 UNP O27099 CLONING ARTIFACT SEQADV 2NTK HIS C 0 UNP O27099 CLONING ARTIFACT SEQADV 2NTK MET D -19 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY D -18 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER D -17 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER D -16 UNP O27099 CLONING ARTIFACT SEQADV 2NTK HIS D -15 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS D -14 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS D -13 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS D -12 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS D -11 UNP O27099 EXPRESSION TAG SEQADV 2NTK HIS D -10 UNP O27099 EXPRESSION TAG SEQADV 2NTK SER D -9 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER D -8 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY D -7 UNP O27099 CLONING ARTIFACT SEQADV 2NTK LEU D -6 UNP O27099 CLONING ARTIFACT SEQADV 2NTK VAL D -5 UNP O27099 CLONING ARTIFACT SEQADV 2NTK PRO D -4 UNP O27099 CLONING ARTIFACT SEQADV 2NTK ARG D -3 UNP O27099 CLONING ARTIFACT SEQADV 2NTK GLY D -2 UNP O27099 CLONING ARTIFACT SEQADV 2NTK SER D -1 UNP O27099 CLONING ARTIFACT SEQADV 2NTK HIS D 0 UNP O27099 CLONING ARTIFACT SEQRES 1 A 222 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 222 LEU VAL PRO ARG GLY SER HIS MET TYR LEU GLY ARG ILE SEQRES 3 A 222 LEU ALA VAL GLY ARG ASN SER ASN GLY SER PHE VAL ALA SEQRES 4 A 222 TYR ARG VAL SER SER ARG SER PHE PRO ASN ARG THR THR SEQRES 5 A 222 SER ILE GLN GLU GLU ARG VAL ALA VAL VAL PRO VAL GLU SEQRES 6 A 222 GLY HIS GLU ARG ASP VAL PHE ARG ASN PRO TYR ILE ALA SEQRES 7 A 222 TYR ASN CYS ILE ARG ILE VAL GLY ASP THR ALA VAL VAL SEQRES 8 A 222 SER ASN GLY SER HIS THR ASP THR ILE ALA ASP LYS VAL SEQRES 9 A 222 ALA LEU GLY MET ASN LEU ARG ASP ALA ILE GLY LEU SER SEQRES 10 A 222 LEU LEU ALA MET ASP TYR GLU LYS ASP GLU LEU ASN THR SEQRES 11 A 222 PRO ARG ILE ALA ALA ALA ILE ASN GLY SER GLU ALA PHE SEQRES 12 A 222 ILE GLY ILE VAL THR ALA ASP GLY LEU MET VAL SER ARG SEQRES 13 A 222 VAL PRO GLU GLU THR PRO VAL TYR ILE SER THR TYR GLU SEQRES 14 A 222 GLN THR GLU PRO ALA ALA THR GLU PHE LYS ALA GLY SER SEQRES 15 A 222 PRO GLU GLU ALA ALA GLU PHE ILE LEU LYS GLY GLY GLU SEQRES 16 A 222 PHE ALA ALA PHE THR HIS PRO VAL THR ALA ALA ALA ALA SEQRES 17 A 222 PHE ASN ASP GLY GLU GLY TRP ASN LEU ALA THR ARG GLU SEQRES 18 A 222 MET SEQRES 1 B 222 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 B 222 LEU VAL PRO ARG GLY SER HIS MET TYR LEU GLY ARG ILE SEQRES 3 B 222 LEU ALA VAL GLY ARG ASN SER ASN GLY SER PHE VAL ALA SEQRES 4 B 222 TYR ARG VAL SER SER ARG SER PHE PRO ASN ARG THR THR SEQRES 5 B 222 SER ILE GLN GLU GLU ARG VAL ALA VAL VAL PRO VAL GLU SEQRES 6 B 222 GLY HIS GLU ARG ASP VAL PHE ARG ASN PRO TYR ILE ALA SEQRES 7 B 222 TYR ASN CYS ILE ARG ILE VAL GLY ASP THR ALA VAL VAL SEQRES 8 B 222 SER ASN GLY SER HIS THR ASP THR ILE ALA ASP LYS VAL SEQRES 9 B 222 ALA LEU GLY MET ASN LEU ARG ASP ALA ILE GLY LEU SER SEQRES 10 B 222 LEU LEU ALA MET ASP TYR GLU LYS ASP GLU LEU ASN THR SEQRES 11 B 222 PRO ARG ILE ALA ALA ALA ILE ASN GLY SER GLU ALA PHE SEQRES 12 B 222 ILE GLY ILE VAL THR ALA ASP GLY LEU MET VAL SER ARG SEQRES 13 B 222 VAL PRO GLU GLU THR PRO VAL TYR ILE SER THR TYR GLU SEQRES 14 B 222 GLN THR GLU PRO ALA ALA THR GLU PHE LYS ALA GLY SER SEQRES 15 B 222 PRO GLU GLU ALA ALA GLU PHE ILE LEU LYS GLY GLY GLU SEQRES 16 B 222 PHE ALA ALA PHE THR HIS PRO VAL THR ALA ALA ALA ALA SEQRES 17 B 222 PHE ASN ASP GLY GLU GLY TRP ASN LEU ALA THR ARG GLU SEQRES 18 B 222 MET SEQRES 1 C 222 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 C 222 LEU VAL PRO ARG GLY SER HIS MET TYR LEU GLY ARG ILE SEQRES 3 C 222 LEU ALA VAL GLY ARG ASN SER ASN GLY SER PHE VAL ALA SEQRES 4 C 222 TYR ARG VAL SER SER ARG SER PHE PRO ASN ARG THR THR SEQRES 5 C 222 SER ILE GLN GLU GLU ARG VAL ALA VAL VAL PRO VAL GLU SEQRES 6 C 222 GLY HIS GLU ARG ASP VAL PHE ARG ASN PRO TYR ILE ALA SEQRES 7 C 222 TYR ASN CYS ILE ARG ILE VAL GLY ASP THR ALA VAL VAL SEQRES 8 C 222 SER ASN GLY SER HIS THR ASP THR ILE ALA ASP LYS VAL SEQRES 9 C 222 ALA LEU GLY MET ASN LEU ARG ASP ALA ILE GLY LEU SER SEQRES 10 C 222 LEU LEU ALA MET ASP TYR GLU LYS ASP GLU LEU ASN THR SEQRES 11 C 222 PRO ARG ILE ALA ALA ALA ILE ASN GLY SER GLU ALA PHE SEQRES 12 C 222 ILE GLY ILE VAL THR ALA ASP GLY LEU MET VAL SER ARG SEQRES 13 C 222 VAL PRO GLU GLU THR PRO VAL TYR ILE SER THR TYR GLU SEQRES 14 C 222 GLN THR GLU PRO ALA ALA THR GLU PHE LYS ALA GLY SER SEQRES 15 C 222 PRO GLU GLU ALA ALA GLU PHE ILE LEU LYS GLY GLY GLU SEQRES 16 C 222 PHE ALA ALA PHE THR HIS PRO VAL THR ALA ALA ALA ALA SEQRES 17 C 222 PHE ASN ASP GLY GLU GLY TRP ASN LEU ALA THR ARG GLU SEQRES 18 C 222 MET SEQRES 1 D 222 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 D 222 LEU VAL PRO ARG GLY SER HIS MET TYR LEU GLY ARG ILE SEQRES 3 D 222 LEU ALA VAL GLY ARG ASN SER ASN GLY SER PHE VAL ALA SEQRES 4 D 222 TYR ARG VAL SER SER ARG SER PHE PRO ASN ARG THR THR SEQRES 5 D 222 SER ILE GLN GLU GLU ARG VAL ALA VAL VAL PRO VAL GLU SEQRES 6 D 222 GLY HIS GLU ARG ASP VAL PHE ARG ASN PRO TYR ILE ALA SEQRES 7 D 222 TYR ASN CYS ILE ARG ILE VAL GLY ASP THR ALA VAL VAL SEQRES 8 D 222 SER ASN GLY SER HIS THR ASP THR ILE ALA ASP LYS VAL SEQRES 9 D 222 ALA LEU GLY MET ASN LEU ARG ASP ALA ILE GLY LEU SER SEQRES 10 D 222 LEU LEU ALA MET ASP TYR GLU LYS ASP GLU LEU ASN THR SEQRES 11 D 222 PRO ARG ILE ALA ALA ALA ILE ASN GLY SER GLU ALA PHE SEQRES 12 D 222 ILE GLY ILE VAL THR ALA ASP GLY LEU MET VAL SER ARG SEQRES 13 D 222 VAL PRO GLU GLU THR PRO VAL TYR ILE SER THR TYR GLU SEQRES 14 D 222 GLN THR GLU PRO ALA ALA THR GLU PHE LYS ALA GLY SER SEQRES 15 D 222 PRO GLU GLU ALA ALA GLU PHE ILE LEU LYS GLY GLY GLU SEQRES 16 D 222 PHE ALA ALA PHE THR HIS PRO VAL THR ALA ALA ALA ALA SEQRES 17 D 222 PHE ASN ASP GLY GLU GLY TRP ASN LEU ALA THR ARG GLU SEQRES 18 D 222 MET HET IMP A 205 23 HET IMP B 206 23 HET IMP C 207 23 HET IMP D 208 23 HETNAM IMP INOSINIC ACID FORMUL 5 IMP 4(C10 H13 N4 O8 P) FORMUL 9 HOH *200(H2 O) HELIX 1 1 HIS A 47 ARG A 53 5 7 HELIX 2 2 SER A 75 LEU A 86 1 12 HELIX 3 3 ASN A 89 ASP A 102 1 14 HELIX 4 4 SER A 162 GLY A 173 1 12 HELIX 5 5 GLY A 174 PHE A 179 5 6 HELIX 6 6 HIS B 47 ARG B 53 5 7 HELIX 7 7 SER B 75 LEU B 86 1 12 HELIX 8 8 ASN B 89 ASP B 102 1 14 HELIX 9 9 SER B 162 GLY B 173 1 12 HELIX 10 10 GLY B 174 PHE B 179 5 6 HELIX 11 11 HIS C 47 ARG C 53 5 7 HELIX 12 12 SER C 75 LEU C 86 1 12 HELIX 13 13 ASN C 89 ASP C 102 1 14 HELIX 14 14 SER C 162 GLY C 173 1 12 HELIX 15 15 GLY C 174 PHE C 179 5 6 HELIX 16 16 HIS D 47 ARG D 53 5 7 HELIX 17 17 SER D 75 LEU D 86 1 12 HELIX 18 18 ASN D 89 ASP D 102 1 14 HELIX 19 19 SER D 162 GLY D 173 1 12 HELIX 20 20 GLY D 174 PHE D 179 5 6 SHEET 1 A 6 ALA A 154 ALA A 155 0 SHEET 2 A 6 VAL A 143 SER A 146 -1 N TYR A 144 O ALA A 154 SHEET 3 A 6 ILE A 6 ASN A 12 -1 N VAL A 9 O VAL A 143 SHEET 4 A 6 GLY A 15 SER A 23 -1 O ARG A 21 N ILE A 6 SHEET 5 A 6 PRO A 182 ASN A 190 -1 O THR A 184 N VAL A 22 SHEET 6 A 6 TRP A 195 GLU A 201 -1 O ASN A 196 N PHE A 189 SHEET 1 B14 ARG A 30 GLN A 35 0 SHEET 2 B14 ARG A 38 PRO A 43 -1 O ARG A 38 N GLN A 35 SHEET 3 B14 TYR A 59 VAL A 65 -1 O TYR A 59 N VAL A 41 SHEET 4 B14 THR A 68 SER A 72 -1 O THR A 68 N VAL A 65 SHEET 5 B14 ARG A 112 ILE A 117 -1 O ALA A 115 N VAL A 71 SHEET 6 B14 ALA A 122 THR A 128 -1 O GLY A 125 N ALA A 114 SHEET 7 B14 GLY A 131 ARG A 136 -1 O SER A 135 N ILE A 124 SHEET 8 B14 GLY B 131 ARG B 136 -1 O LEU B 132 N VAL A 134 SHEET 9 B14 ALA B 122 THR B 128 -1 N ILE B 124 O SER B 135 SHEET 10 B14 ARG B 112 ILE B 117 -1 N ALA B 114 O GLY B 125 SHEET 11 B14 THR B 68 SER B 72 -1 N ALA B 69 O ILE B 117 SHEET 12 B14 TYR B 59 VAL B 65 -1 N ARG B 63 O VAL B 70 SHEET 13 B14 ARG B 38 PRO B 43 -1 N VAL B 41 O TYR B 59 SHEET 14 B14 ARG B 30 GLN B 35 -1 N SER B 33 O ALA B 40 SHEET 1 C 6 ALA B 154 ALA B 155 0 SHEET 2 C 6 VAL B 143 SER B 146 -1 N TYR B 144 O ALA B 154 SHEET 3 C 6 ILE B 6 ASN B 12 -1 N VAL B 9 O VAL B 143 SHEET 4 C 6 GLY B 15 SER B 23 -1 O ARG B 21 N ILE B 6 SHEET 5 C 6 PRO B 182 ASN B 190 -1 O THR B 184 N VAL B 22 SHEET 6 C 6 TRP B 195 GLU B 201 -1 O ASN B 196 N PHE B 189 SHEET 1 D 6 ALA C 154 ALA C 155 0 SHEET 2 D 6 VAL C 143 SER C 146 -1 N TYR C 144 O ALA C 154 SHEET 3 D 6 ILE C 6 ASN C 12 -1 N VAL C 9 O VAL C 143 SHEET 4 D 6 GLY C 15 SER C 23 -1 O ARG C 21 N ILE C 6 SHEET 5 D 6 PRO C 182 ASN C 190 -1 O THR C 184 N VAL C 22 SHEET 6 D 6 TRP C 195 GLU C 201 -1 O ASN C 196 N PHE C 189 SHEET 1 E14 ARG C 30 GLN C 35 0 SHEET 2 E14 ARG C 38 PRO C 43 -1 O ALA C 40 N SER C 33 SHEET 3 E14 TYR C 59 VAL C 65 -1 O TYR C 59 N VAL C 41 SHEET 4 E14 THR C 68 SER C 72 -1 O THR C 68 N VAL C 65 SHEET 5 E14 ARG C 112 ILE C 117 -1 O ALA C 115 N VAL C 71 SHEET 6 E14 ALA C 122 THR C 128 -1 O GLY C 125 N ALA C 114 SHEET 7 E14 GLY C 131 ARG C 136 -1 O SER C 135 N ILE C 124 SHEET 8 E14 GLY D 131 ARG D 136 -1 O VAL D 134 N LEU C 132 SHEET 9 E14 ALA D 122 THR D 128 -1 N ILE D 124 O SER D 135 SHEET 10 E14 ARG D 112 ILE D 117 -1 N ALA D 114 O GLY D 125 SHEET 11 E14 THR D 68 SER D 72 -1 N VAL D 71 O ALA D 115 SHEET 12 E14 TYR D 59 VAL D 65 -1 N VAL D 65 O THR D 68 SHEET 13 E14 ARG D 38 PRO D 43 -1 N VAL D 41 O TYR D 59 SHEET 14 E14 ARG D 30 GLN D 35 -1 N SER D 33 O ALA D 40 SHEET 1 F 6 ALA D 154 ALA D 155 0 SHEET 2 F 6 VAL D 143 SER D 146 -1 N TYR D 144 O ALA D 154 SHEET 3 F 6 ILE D 6 ASN D 12 -1 N VAL D 9 O VAL D 143 SHEET 4 F 6 GLY D 15 SER D 23 -1 O GLY D 15 N ASN D 12 SHEET 5 F 6 PRO D 182 ASN D 190 -1 O THR D 184 N VAL D 22 SHEET 6 F 6 TRP D 195 GLU D 201 -1 O ASN D 196 N PHE D 189 SITE 1 AC1 14 TYR A 2 ARG A 5 SER A 24 ARG A 25 SITE 2 AC1 14 SER A 26 ARG A 30 ASN A 54 TYR A 56 SITE 3 AC1 14 TYR A 59 ASN A 73 GLU A 104 ASP A 106 SITE 4 AC1 14 THR A 110 TYR A 148 SITE 1 AC2 15 TYR B 2 ARG B 5 SER B 24 ARG B 25 SITE 2 AC2 15 SER B 26 ARG B 30 ASN B 54 TYR B 56 SITE 3 AC2 15 TYR B 59 ASN B 73 GLU B 104 ASP B 106 SITE 4 AC2 15 THR B 110 TYR B 148 HOH B 371 SITE 1 AC3 15 TYR C 2 ARG C 5 SER C 24 ARG C 25 SITE 2 AC3 15 SER C 26 ARG C 30 ASN C 54 TYR C 56 SITE 3 AC3 15 TYR C 59 ASN C 73 GLU C 104 ASP C 106 SITE 4 AC3 15 THR C 110 TYR C 148 HOH C 315 SITE 1 AC4 16 TYR D 2 ARG D 5 SER D 24 ARG D 25 SITE 2 AC4 16 SER D 26 ARG D 30 ASN D 54 TYR D 56 SITE 3 AC4 16 TYR D 59 ASN D 73 GLU D 104 ASP D 106 SITE 4 AC4 16 THR D 110 TYR D 148 HOH D 300 HOH D 489 CRYST1 85.975 85.975 124.442 90.00 90.00 120.00 P 32 12 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 0.011631 0.006715 0.000000 0.00000 SCALE2 0.000000 0.013431 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008036 0.00000