HEADER RNA 18-FEB-07 2EES TITLE GUANINE RIBOSWITCH A21U, U75A MUTANT BOUND TO HYPOXANTHINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANINE RIBOSWITCH; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE WAS ENGINEERED BASED ON THE SOURCE 4 GUANINE RIBOSWITCH FOUND IN THE 5'UTR OF THE XPT-PBUX GENE SOURCE 5 IN BACILLUS SUBTILIS(BACTERIA). KEYWDS MRNA, RIBOSWITCH, GUANINE, HYPOXANTHINE, RNA-LIGAND COMPLEX, KEYWDS 2 DOUBLE HELIX, THREE-WAY JUNCTION EXPDTA X-RAY DIFFRACTION AUTHOR S.D.GILBERT,A.L.EDWARDS,R.T.BATEY REVDAT 3 24-FEB-09 2EES 1 VERSN REVDAT 2 27-NOV-07 2EES 1 JRNL REVDAT 1 13-NOV-07 2EES 0 JRNL AUTH S.D.GILBERT,C.E.LOVE,A.L.EDWARDS,R.T.BATEY JRNL TITL MUTATIONAL ANALYSIS OF THE PURINE RIBOSWITCH JRNL TITL 2 APTAMER DOMAIN JRNL REF BIOCHEMISTRY V. 46 13297 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17960911 JRNL DOI 10.1021/BI700410G REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.75 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.91 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1061848.470 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.5 REMARK 3 NUMBER OF REFLECTIONS : 19108 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) : 0.207 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1402 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 74.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2292 REMARK 3 BIN R VALUE (WORKING SET) : 0.3000 REMARK 3 BIN FREE R VALUE : 0.3130 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 160 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 1422 REMARK 3 HETEROGEN ATOMS : 98 REMARK 3 SOLVENT ATOMS : 261 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.46000 REMARK 3 B22 (A**2) : 0.46000 REMARK 3 B33 (A**2) : -0.92000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.17000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.14 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) : 0.15 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.021 REMARK 3 BOND ANGLES (DEGREES) : 2.10 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.44 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 25.00 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP_REVISE.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : COHEX_REP.PARAM REMARK 3 PARAMETER FILE 5 : ACETATE.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA_REP_REVISE.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : COHEX_REP.TOP REMARK 3 TOPOLOGY FILE 5 : ACETATE.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2EES COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 02-MAR-07. REMARK 100 THE RCSB ID CODE IS RCSB026575. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-JUN-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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) : 1.5418 REMARK 200 MONOCHROMATOR : NICKEL FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19129 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 3.420 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04800 REMARK 200 FOR THE DATA SET : 15.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.81 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.17000 REMARK 200 FOR SHELL : 4.100 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 1U8D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% POLYETHYLENE GLYCOL 3000, 640MM REMARK 280 AMMONIUM ACETATE, 10MM COBALT HEXAMMINE CHLORIDE, 10MM K(+)- REMARK 280 HEPES, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 66.27000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 17.98000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 66.27000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 17.98000 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 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 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 N2 NCO A 105 O HOH A 268 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 G A 29 C2 G A 29 N2 0.068 REMARK 500 G A 31 N7 G A 31 C8 0.043 REMARK 500 G A 31 N9 G A 31 C4 0.052 REMARK 500 G A 31 C2 G A 31 N2 0.063 REMARK 500 G A 32 C2 G A 32 N3 0.058 REMARK 500 A A 33 O3' U A 34 P -0.075 REMARK 500 G A 37 C6 G A 37 N1 0.045 REMARK 500 G A 37 C2 G A 37 N2 0.077 REMARK 500 C A 39 O5' C A 39 C5' -0.106 REMARK 500 C A 39 C2 C A 39 O2 0.089 REMARK 500 A A 40 C8 A A 40 N9 0.055 REMARK 500 C A 43 C4 C A 43 N4 0.063 REMARK 500 U A 51 O5' U A 51 C5' -0.055 REMARK 500 G A 57 N7 G A 57 C8 0.043 REMARK 500 C A 58 C4 C A 58 N4 0.056 REMARK 500 C A 60 C2 C A 60 O2 0.055 REMARK 500 C A 60 C4 C A 60 N4 0.057 REMARK 500 C A 61 C4 C A 61 N4 0.057 REMARK 500 A A 66 C6 A A 66 N1 0.046 REMARK 500 G A 72 C6 G A 72 O6 0.055 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 U A 25 O5' - P - OP2 ANGL. DEV. = -5.5 DEGREES REMARK 500 C A 39 O5' - P - OP2 ANGL. DEV. = -11.3 DEGREES REMARK 500 C A 39 C5' - C4' - C3' ANGL. DEV. = 25.1 DEGREES REMARK 500 C A 50 C2' - C3' - O3' ANGL. DEV. = 14.5 DEGREES REMARK 500 C A 54 O5' - P - OP2 ANGL. DEV. = -5.5 DEGREES REMARK 500 C A 54 C5' - C4' - C3' ANGL. DEV. = 21.0 DEGREES REMARK 500 U A 63 C2' - C3' - O3' ANGL. DEV. = 12.7 DEGREES REMARK 500 A A 64 O3' - P - OP1 ANGL. DEV. = 9.0 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 U A 34 0.09 SIDE_CHAIN REMARK 500 G A 38 0.10 SIDE_CHAIN REMARK 500 A A 40 0.07 SIDE_CHAIN REMARK 500 A A 45 0.08 SIDE_CHAIN REMARK 500 G A 46 0.06 SIDE_CHAIN REMARK 500 C A 61 0.07 SIDE_CHAIN 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 ACT A 96 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 101 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 102 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 103 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 104 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 105 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 106 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 107 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 108 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 109 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 110 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 111 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 112 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HPA A 90 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1U8D RELATED DB: PDB REMARK 900 GUANINE RIBOSWITCH BOUND TO HYPOXANTHINE REMARK 900 RELATED ID: 2EET RELATED DB: PDB REMARK 900 GUANINE RIBOSWITCH A21G, U75C MUTANT BOUND TO HYPOXANTHINE REMARK 900 RELATED ID: 2EEU RELATED DB: PDB REMARK 900 GUANINE RIBOSWITCH U22A, A52U MUTANT BOUND TO HYPOXANTHINE REMARK 900 RELATED ID: 2EEV RELATED DB: PDB REMARK 900 GUANINE RIBOSWITCH U22C, A52G MUTANT BOUND TO HYPOXANTHINE REMARK 900 RELATED ID: 2EEW RELATED DB: PDB REMARK 900 GUANINE RIBOSWITCH U47C MUTANT BOUND TO HYPOXANTHINE REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUES U21 AND A75 WERE ENGINEERED FROM A AND U, REMARK 999 RESPECTIVELY, BASED ON THE GUANINE RIBOSWITCH FOUND REMARK 999 IN THE 5'UTR OF THE XPT-PBUX GENE IN BACILLUS SUBTILIS. DBREF 2EES A 15 81 PDB PDB 2EES 1 67 SEQRES 1 A 67 G G A C A U U U A A U C G SEQRES 2 A 67 C G U G G A U A U G G C A SEQRES 3 A 67 C G C A A G U U U C U A C SEQRES 4 A 67 C G G G C A C C G U A A A SEQRES 5 A 67 U G U C C G A C A A U G U SEQRES 6 A 67 C C HET ACT A 96 4 HET NCO A 101 7 HET NCO A 102 7 HET NCO A 103 7 HET NCO A 104 7 HET NCO A 105 7 HET NCO A 106 7 HET NCO A 107 7 HET NCO A 108 7 HET NCO A 109 7 HET NCO A 110 7 HET NCO A 111 7 HET NCO A 112 7 HET HPA A 90 10 HETNAM ACT ACETATE ION HETNAM NCO COBALT HEXAMMINE(III) HETNAM HPA HYPOXANTHINE FORMUL 2 ACT C2 H3 O2 1- FORMUL 3 NCO 12(CO H18 N6 3+) FORMUL 15 HPA C5 H4 N4 O FORMUL 16 HOH *261(H2 O) SITE 1 AC1 7 G A 32 A A 33 G A 38 C A 39 SITE 2 AC1 7 A A 66 U A 67 HOH A 125 SITE 1 AC2 11 G A 29 U A 30 A A 66 U A 67 SITE 2 AC2 11 HOH A 137 HOH A 149 HOH A 165 HOH A 182 SITE 3 AC2 11 HOH A 307 HOH A 329 HOH A 348 SITE 1 AC3 13 G A 38 C A 39 G A 56 G A 57 SITE 2 AC3 13 C A 58 HOH A 164 HOH A 211 HOH A 213 SITE 3 AC3 13 HOH A 241 HOH A 279 HOH A 293 HOH A 335 SITE 4 AC3 13 HOH A 365 SITE 1 AC4 10 C A 39 G A 55 G A 56 G A 57 SITE 2 AC4 10 G A 68 U A 69 HOH A 197 HOH A 239 SITE 3 AC4 10 HOH A 260 HOH A 289 SITE 1 AC5 9 U A 30 G A 31 G A 32 A A 65 SITE 2 AC5 9 A A 66 NCO A 106 HOH A 117 HOH A 133 SITE 3 AC5 9 HOH A 215 SITE 1 AC6 10 G A 37 G A 38 G A 57 HOH A 186 SITE 2 AC6 10 HOH A 188 HOH A 203 HOH A 259 HOH A 261 SITE 3 AC6 10 HOH A 268 HOH A 349 SITE 1 AC7 7 C A 26 G A 27 U A 30 G A 31 SITE 2 AC7 7 NCO A 104 HOH A 215 HOH A 253 SITE 1 AC8 5 C A 41 G A 42 C A 53 C A 54 SITE 2 AC8 5 HOH A 113 SITE 1 AC9 4 G A 46 U A 47 C A 50 HOH A 232 SITE 1 BC1 5 A A 24 C A 71 HOH A 195 HOH A 240 SITE 2 BC1 5 HOH A 323 SITE 1 BC2 2 U A 21 U A 22 SITE 1 BC3 4 G A 32 A A 33 HOH A 181 HOH A 184 SITE 1 BC4 6 U A 36 G A 42 C A 43 G A 72 SITE 2 BC4 6 A A 73 HOH A 249 SITE 1 BC5 8 U A 21 U A 22 U A 47 U A 51 SITE 2 BC5 8 A A 52 C A 74 A A 75 HOH A 131 CRYST1 132.540 35.960 41.470 90.00 91.31 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 0.007545 0.000000 0.000173 0.00000 SCALE2 0.000000 0.027809 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024120 0.00000