HEADER LYASE 04-NOV-06 2NSL TITLE E. COLI PURE H45N MUTANT COMPLEXED WITH CAIR COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHORIBOSYLAMINOIMIDAZOLE CARBOXYLASE CATALYTIC SUBUNIT; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: AIR CARBOXYLASE, AIRC; COMPND 5 EC: 4.1.1.21; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PURE; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CENTRAL THREE LAYER ALPHA-BETA-ALPHA SANDWICH, KINKED C-TERMINAL KEYWDS 2 HELIX, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR S.E.EALICK,M.MORAR REVDAT 5 30-AUG-23 2NSL 1 REMARK REVDAT 4 20-OCT-21 2NSL 1 REMARK SEQADV HETSYN ATOM REVDAT 3 13-JUL-11 2NSL 1 VERSN REVDAT 2 24-FEB-09 2NSL 1 VERSN REVDAT 1 24-APR-07 2NSL 0 JRNL AUTH A.A.HOSKINS,M.MORAR,T.J.KAPPOCK,I.I.MATHEWS,J.B.ZAUGG, JRNL AUTH 2 T.E.BARDER,P.PENG,A.OKAMOTO,S.E.EALICK,J.STUBBE JRNL TITL N(5)-CAIR MUTASE: ROLE OF A CO(2) BINDING SITE AND SUBSTRATE JRNL TITL 2 MOVEMENT IN CATALYSIS. JRNL REF BIOCHEMISTRY V. 46 2842 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17298082 JRNL DOI 10.1021/BI602436G REMARK 2 REMARK 2 RESOLUTION. 2.00 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 150438.810 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 10410 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) : 0.181 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.400 REMARK 3 FREE R VALUE TEST SET COUNT : 1082 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1450 REMARK 3 BIN R VALUE (WORKING SET) : 0.2280 REMARK 3 BIN FREE R VALUE : 0.2530 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 185 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1196 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 122 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.44000 REMARK 3 B22 (A**2) : 2.44000 REMARK 3 B33 (A**2) : -4.87000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.17 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) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.17 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.800 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) : 1.140 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.630 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.090 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.960 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 54.06 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 : H45N.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : H45N.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2NSL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-NOV-06. REMARK 100 THE DEPOSITION ID IS D_1000040250. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-MAY-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.542 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10410 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 35.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.13 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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 2ATE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG400, 0.2M MAGNESIUM CHLORIDE, REMARK 280 0.1M TRIS, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 2 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 11555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 12555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 13555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 14555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 15555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 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 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 55.65850 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 55.65850 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 24.60000 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 55.65850 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 55.65850 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 24.60000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 55.65850 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 55.65850 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 24.60000 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 55.65850 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 55.65850 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 24.60000 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 55.65850 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 55.65850 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 24.60000 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 55.65850 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 55.65850 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 24.60000 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 55.65850 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 55.65850 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 24.60000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 55.65850 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 55.65850 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 24.60000 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: OCTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 37230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 38790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -206.0 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 5 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 5 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 5 0.000000 0.000000 -1.000000 -49.20000 REMARK 350 BIOMT1 6 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 6 0.000000 0.000000 -1.000000 -49.20000 REMARK 350 BIOMT1 7 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 7 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 7 0.000000 0.000000 -1.000000 -49.20000 REMARK 350 BIOMT1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 8 0.000000 0.000000 -1.000000 -49.20000 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 A 362 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 388 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 415 LIES ON A SPECIAL POSITION. 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 SER A 2 REMARK 465 SER A 3 REMARK 465 ARG A 4 REMARK 465 ASN A 5 REMARK 465 ASN A 6 REMARK 465 ALA A 169 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 GLN A 109 46.06 -76.10 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 C2R A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ATE RELATED DB: PDB REMARK 900 ECPURE-NITROAIR COMPLEX REMARK 900 RELATED ID: 2NSH RELATED DB: PDB REMARK 900 ECPURE-H45Q-NITROAIR COMPLEX REMARK 900 RELATED ID: 2NSJ RELATED DB: PDB REMARK 900 ECPURE-H45Q-CAIR COMPLEX DBREF 2NSL A 1 169 UNP P0AG18 PUR6_ECOLI 0 168 SEQADV 2NSL ASN A 45 UNP P0AG18 HIS 44 ENGINEERED MUTATION SEQRES 1 A 169 MET SER SER ARG ASN ASN PRO ALA ARG VAL ALA ILE VAL SEQRES 2 A 169 MET GLY SER LYS SER ASP TRP ALA THR MET GLN PHE ALA SEQRES 3 A 169 ALA GLU ILE PHE GLU ILE LEU ASN VAL PRO HIS HIS VAL SEQRES 4 A 169 GLU VAL VAL SER ALA ASN ARG THR PRO ASP LYS LEU PHE SEQRES 5 A 169 SER PHE ALA GLU SER ALA GLU GLU ASN GLY TYR GLN VAL SEQRES 6 A 169 ILE ILE ALA GLY ALA GLY GLY ALA ALA HIS LEU PRO GLY SEQRES 7 A 169 MET ILE ALA ALA LYS THR LEU VAL PRO VAL LEU GLY VAL SEQRES 8 A 169 PRO VAL GLN SER ALA ALA LEU SER GLY VAL ASP SER LEU SEQRES 9 A 169 TYR SER ILE VAL GLN MET PRO ARG GLY ILE PRO VAL GLY SEQRES 10 A 169 THR LEU ALA ILE GLY LYS ALA GLY ALA ALA ASN ALA ALA SEQRES 11 A 169 LEU LEU ALA ALA GLN ILE LEU ALA THR HIS ASP LYS GLU SEQRES 12 A 169 LEU HIS GLN ARG LEU ASN ASP TRP ARG LYS ALA GLN THR SEQRES 13 A 169 ASP GLU VAL LEU GLU ASN PRO ASP PRO ARG GLY ALA ALA HET C2R A 300 22 HETNAM C2R 5-AMINO-1-(5-O-PHOSPHONO-BETA-D-RIBOFURANOSYL)-1H- HETNAM 2 C2R IMIDAZOLE-4-CARBOXYLIC ACID HETSYN C2R CAIR; 4-CARBOXY-5-AMINOIMIDAZOLE RIBONUCLEOTIDE FORMUL 2 C2R C9 H14 N3 O9 P FORMUL 3 HOH *122(H2 O) HELIX 1 1 SER A 16 SER A 18 5 3 HELIX 2 2 ASP A 19 LEU A 33 1 15 HELIX 3 3 THR A 47 SER A 57 1 11 HELIX 4 4 HIS A 75 LYS A 83 1 9 HELIX 5 5 GLY A 100 GLN A 109 1 10 HELIX 6 6 GLY A 122 THR A 139 1 18 HELIX 7 7 ASP A 141 GLU A 161 1 21 SHEET 1 A 5 HIS A 37 VAL A 41 0 SHEET 2 A 5 VAL A 10 MET A 14 1 N ILE A 12 O HIS A 38 SHEET 3 A 5 VAL A 65 ALA A 70 1 O ILE A 67 N VAL A 13 SHEET 4 A 5 VAL A 88 PRO A 92 1 O LEU A 89 N ILE A 66 SHEET 5 A 5 GLY A 117 THR A 118 1 O GLY A 117 N GLY A 90 SITE 1 AC1 17 SER A 16 SER A 18 ASP A 19 SER A 43 SITE 2 AC1 17 ALA A 44 ASN A 45 ARG A 46 ALA A 70 SITE 3 AC1 17 GLY A 71 ALA A 73 ALA A 74 HIS A 75 SITE 4 AC1 17 LEU A 76 PRO A 111 HOH A 324 HOH A 345 SITE 5 AC1 17 HOH A 420 CRYST1 111.317 111.317 49.200 90.00 90.00 90.00 I 4 2 2 16 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 0.008983 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008983 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020325 0.00000