HEADER RNA 06-AUG-10 2XNZ TITLE XPT-PBUX C74U RIBOSWITCH FROM B. SUBTILIS BOUND TO ACETOGUANAMINE TITLE 2 IDENTIFIED BY VIRTUAL SCREENING COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANINE RIBOSWITCH; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: APTAMER DOMAIN, RESIDUES 15-81; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 4 ORGANISM_TAXID: 1423 KEYWDS RNA, APTAMER, RNA-LIGAND COMPLEX, MRNA EXPDTA X-RAY DIFFRACTION AUTHOR P.DALDROP,F.E.REYES,D.A.ROBINSON,C.M.HAMMOND,D.M.J.LILLEY,R.T.BATEY, AUTHOR 2 R.BRENK REVDAT 3 20-DEC-23 2XNZ 1 REMARK LINK REVDAT 2 06-JUN-18 2XNZ 1 TITLE COMPND JRNL REMARK REVDAT 1 06-APR-11 2XNZ 0 JRNL AUTH P.DALDROP,F.E.REYES,D.A.ROBINSON,C.M.HAMMOND,D.M.LILLEY, JRNL AUTH 2 R.T.BATEY,R.BRENK JRNL TITL NOVEL LIGANDS FOR A PURINE RIBOSWITCH DISCOVERED BY JRNL TITL 2 RNA-LIGAND DOCKING. JRNL REF CHEM. BIOL. V. 18 324 2011 JRNL REFN ISSN 1879-1301 JRNL PMID 21439477 JRNL DOI 10.1016/J.CHEMBIOL.2010.12.020 REMARK 2 REMARK 2 RESOLUTION. 1.59 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.59 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 66.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 23956 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 + TEST SET) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1280 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.59 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.64 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1599 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.16 REMARK 3 BIN R VALUE (WORKING SET) : 0.3110 REMARK 3 BIN FREE R VALUE SET COUNT : 92 REMARK 3 BIN FREE R VALUE : 0.3670 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 1382 REMARK 3 HETEROGEN ATOMS : 61 REMARK 3 SOLVENT ATOMS : 216 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 0.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.44 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.87000 REMARK 3 B22 (A**2) : -0.59000 REMARK 3 B33 (A**2) : -0.28000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.11000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.100 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.101 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.067 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.947 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.948 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1589 ; 0.009 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2494 ; 1.546 ; 3.000 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 325 ; 0.073 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 680 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 3 ; 0.744 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2 ; 1.135 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1586 ; 1.271 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2492 ; 1.806 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. U VALUES REFINED INDIVIDUALLY. RESIDUES 15 AND 81 ARE REMARK 3 NOT MODELLED BECAUSE UNORDERED REMARK 4 REMARK 4 2XNZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 06-AUG-10. REMARK 100 THE DEPOSITION ID IS D_1290044983. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-NOV-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.93344 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25334 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 66.080 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 30.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.40000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 2G9C REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10MM K-HEPES PH 7.5, 12MM COBALT REMARK 280 HEXAMMINE, 800MM AMMONIUM ACETATE, 25% PEG 4000 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 66.08250 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 17.53400 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 66.08250 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 17.53400 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 G A 15 REMARK 465 C A 81 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 34 N1 - C1' - C2' ANGL. DEV. = -7.4 DEGREES REMARK 500 U A 47 O4' - C1' - N1 ANGL. DEV. = 4.6 DEGREES REMARK 500 U A 51 O4' - C1' - N1 ANGL. DEV. = 4.5 DEGREES REMARK 500 A A 65 C3' - O3' - P ANGL. DEV. = 7.2 DEGREES REMARK 500 U A 74 O4' - C1' - N1 ANGL. DEV. = 4.4 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 NCO A 1084 REMARK 615 NCO A 1086 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 K A1089 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 57 OP1 REMARK 620 2 C A 58 OP2 108.8 REMARK 620 3 HOH A2142 O 84.1 57.6 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A1091 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A2008 O REMARK 620 2 HOH A2079 O 161.5 REMARK 620 3 HOH A2084 O 86.0 84.0 REMARK 620 4 HOH A2091 O 81.6 88.3 114.3 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 1081 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 1082 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 1083 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 1084 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 1085 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 1086 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 1087 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3AW A 1088 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1089 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1091 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1094 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2XNW RELATED DB: PDB REMARK 900 XPT-PBUX C74U RIBOSWITCH FROM B. SUBTILIS BOUND TO A TRIAZOLO- REMARK 900 TRIAZOLE-DIAMINE LIGAND IDENTIFIED BY VIRTUAL SCREENING REMARK 900 RELATED ID: 2XO0 RELATED DB: PDB REMARK 900 XPT-PBUX C74U RIBOSWITCH FROM B. SUBTILIS BOUND TO 24-DIAMINO-1,3,5- REMARK 900 TRIAZINE IDENTIFIED BY VIRTUAL SCREENING REMARK 900 RELATED ID: 2XO1 RELATED DB: PDB REMARK 900 XPT-PBUX C74U RIBOSWITCH FROM B. SUBTILIS BOUND TO N6-METHYLADENINE REMARK 900 RELATED ID: 2G9C RELATED DB: PDB REMARK 900 MODIFIED PYRIMIDINES SPECIFICALLY BIND THE PURINE RIBOSWITCH REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUE 74 C WAS ENGINEERED TO U. DBREF 2XNZ A 15 81 PDB 2XNZ 2XNZ 15 81 SEQRES 1 A 67 G G A C A U A 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 U U A U G U SEQRES 6 A 67 C C HET NCO A1081 7 HET NCO A1082 7 HET NCO A1083 7 HET NCO A1084 7 HET NCO A1085 7 HET NCO A1086 7 HET ACT A1087 4 HET 3AW A1088 9 HET K A1089 1 HET K A1090 1 HET K A1091 1 HET K A1092 1 HET K A1093 1 HET K A1094 1 HETNAM NCO COBALT HEXAMMINE(III) HETNAM ACT ACETATE ION HETNAM 3AW 6-METHYL-1,3,5-TRIAZINE-2,4-DIAMINE HETNAM K POTASSIUM ION HETSYN 3AW ACETOGUANAMINE FORMUL 2 NCO 6(CO H18 N6 3+) FORMUL 8 ACT C2 H3 O2 1- FORMUL 9 3AW C4 H7 N5 FORMUL 10 K 6(K 1+) FORMUL 16 HOH *216(H2 O) LINK OP1 G A 57 K K A1089 4545 1555 3.19 LINK OP2 C A 58 K K A1089 4545 1555 2.67 LINK K K A1089 O HOH A2142 1555 4545 3.05 LINK K K A1091 O HOH A2008 1555 4555 3.15 LINK K K A1091 O HOH A2079 1555 1555 2.66 LINK K K A1091 O HOH A2084 1555 1555 2.41 LINK K K A1091 O HOH A2091 1555 4555 3.24 LINK K K A1092 O HOH A2204 1555 1555 3.49 LINK K K A1094 O HOH A2166 1555 4556 2.10 SITE 1 AC1 7 G A 29 U A 30 A A 66 U A 67 SITE 2 AC1 7 HOH A2037 HOH A2169 HOH A2206 SITE 1 AC2 11 C A 39 G A 55 G A 56 G A 57 SITE 2 AC2 11 G A 68 U A 69 HOH A2131 HOH A2133 SITE 3 AC2 11 HOH A2137 HOH A2175 HOH A2207 SITE 1 AC3 10 U A 30 G A 31 G A 32 A A 65 SITE 2 AC3 10 A A 66 HOH A2050 HOH A2052 HOH A2170 SITE 3 AC3 10 HOH A2171 HOH A2209 SITE 1 AC4 6 U A 36 G A 42 C A 43 G A 72 SITE 2 AC4 6 A A 73 HOH A2103 SITE 1 AC5 11 G A 38 G A 56 G A 57 C A 58 SITE 2 AC5 11 HOH A2088 HOH A2129 HOH A2143 HOH A2210 SITE 3 AC5 11 HOH A2211 HOH A2212 HOH A2213 SITE 1 AC6 3 A A 24 C A 71 HOH A2195 SITE 1 AC7 7 G A 32 A A 33 G A 38 C A 39 SITE 2 AC7 7 A A 66 U A 67 HOH A2170 SITE 1 AC8 9 A A 21 U A 22 U A 47 U A 51 SITE 2 AC8 9 A A 52 A A 73 U A 74 U A 75 SITE 3 AC8 9 HOH A2216 SITE 1 AC9 4 A A 40 G A 57 C A 58 HOH A2142 SITE 1 BC1 2 HOH A2079 HOH A2084 SITE 1 BC2 1 HOH A2166 CRYST1 132.165 35.068 41.798 90.00 90.06 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 0.007566 0.000000 0.000008 0.00000 SCALE2 0.000000 0.028516 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023925 0.00000