HEADER RNA 21-MAR-11 2YDH TITLE CRYSTAL STRUCTURE OF THE SAM-I RIBOSWITCH A94G U34 G18U G19U VARIANT TITLE 2 IN COMPLEX WITH SAM COMPND MOL_ID: 1; COMPND 2 MOLECULE: SAM-I RIBOSWITCH; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: APTAMER DOMAIN SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: THERMOANAEROBACTER TENGCONGENSIS; SOURCE 4 ORGANISM_TAXID: 119072 KEYWDS RNA, K-TURN EXPDTA X-RAY DIFFRACTION AUTHOR K.T.SCHROEDER,P.DALDROP,D.M.J.LILLEY REVDAT 4 20-DEC-23 2YDH 1 REMARK LINK REVDAT 3 28-SEP-16 2YDH 1 TITLE REVDAT 2 21-SEP-11 2YDH 1 JRNL REVDAT 1 07-SEP-11 2YDH 0 JRNL AUTH K.T.SCHROEDER,P.DALDROP,D.M.J.LILLEY JRNL TITL RNA TERTIARY INTERACTIONS IN A RIBOSWITCH STABILIZE THE JRNL TITL 2 STRUCTURE OF A KINK TURN. JRNL REF STRUCTURE V. 19 1233 2011 JRNL REFN ISSN 0969-2126 JRNL PMID 21893284 JRNL DOI 10.1016/J.STR.2011.07.003 REMARK 2 REMARK 2 RESOLUTION. 2.90 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) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 57.62 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 6121 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) : 0.274 REMARK 3 R VALUE (WORKING SET) : 0.269 REMARK 3 FREE R VALUE : 0.321 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 666 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) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.98 REMARK 3 REFLECTION IN BIN (WORKING SET) : 304 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 62.29 REMARK 3 BIN R VALUE (WORKING SET) : 0.4390 REMARK 3 BIN FREE R VALUE SET COUNT : 28 REMARK 3 BIN FREE R VALUE : 0.5360 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 2024 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 2 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 88.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.89000 REMARK 3 B22 (A**2) : 3.89000 REMARK 3 B33 (A**2) : -7.78000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.573 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.925 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.893 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2287 ; 0.010 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 785 ; 0.000 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3564 ; 1.914 ; 3.000 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2047 ; 1.531 ; 3.000 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): 475 ; 0.074 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 996 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 202 ; 0.010 ; 0.020 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 REMARK 4 REMARK 4 2YDH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-MAR-11. REMARK 100 THE DEPOSITION ID IS D_1290047769. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-DEC-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6875 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.1 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 40.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 64.5 REMARK 200 DATA REDUNDANCY IN SHELL : 5.60 REMARK 200 R MERGE FOR SHELL (I) : 0.42000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.440 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: PDB ENTRY 3GX5 REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 40 MM NA-CACODYLATE (PH 7.0), 12 MM REMARK 280 SPERMINE-HCL, 12% (V/V) MPD, 80 MM KCL. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 78.81400 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 30.94950 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 30.94950 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 118.22100 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 30.94950 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 30.94950 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 39.40700 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 30.94950 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 30.94950 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 118.22100 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 30.94950 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 30.94950 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 39.40700 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 78.81400 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: 3210 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28870 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -104.3 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 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 78.81400 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 BA BA A1098 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED RESIDUE IN CHAIN A, G 18 TO U REMARK 400 ENGINEERED RESIDUE IN CHAIN A, G 19 TO U REMARK 400 ENGINEERED RESIDUE IN CHAIN A, U 34 TO C REMARK 400 ENGINEERED RESIDUE IN CHAIN A, A 94 TO G REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 A A 9 N7 C5 C6 N6 N1 C2 N3 REMARK 480 A A 9 C4 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 1 P G A 1 OP3 -0.119 REMARK 500 C A 8 O5' C A 8 C5' -0.056 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 G A 1 N1 - C6 - O6 ANGL. DEV. = 3.8 DEGREES REMARK 500 G A 1 C5 - C6 - O6 ANGL. DEV. = -3.8 DEGREES REMARK 500 C A 8 C3' - O3' - P ANGL. DEV. = 9.0 DEGREES REMARK 500 A A 9 C3' - O3' - P ANGL. DEV. = 8.4 DEGREES REMARK 500 A A 33 C3' - O3' - P ANGL. DEV. = 7.3 DEGREES REMARK 500 C A 40 O4' - C1' - N1 ANGL. DEV. = 5.2 DEGREES REMARK 500 G A 43 C3' - C2' - C1' ANGL. DEV. = 5.0 DEGREES REMARK 500 G A 50 C8 - N9 - C4 ANGL. DEV. = -2.5 DEGREES REMARK 500 G A 50 C6 - C5 - N7 ANGL. DEV. = -3.9 DEGREES REMARK 500 G A 50 N1 - C6 - O6 ANGL. DEV. = 4.8 DEGREES REMARK 500 G A 50 C5 - C6 - O6 ANGL. DEV. = -4.1 DEGREES REMARK 500 U A 54 O4' - C1' - N1 ANGL. DEV. = 4.8 DEGREES REMARK 500 G A 58 O5' - C5' - C4' ANGL. DEV. = -5.4 DEGREES REMARK 500 G A 58 O4' - C1' - N9 ANGL. DEV. = -5.9 DEGREES REMARK 500 A A 61 O4' - C1' - N9 ANGL. DEV. = 5.3 DEGREES REMARK 500 A A 62 C3' - C2' - C1' ANGL. DEV. = 5.0 DEGREES REMARK 500 C A 66 O4' - C1' - N1 ANGL. DEV. = 5.9 DEGREES REMARK 500 G A 68 C3' - O3' - P ANGL. DEV. = 8.4 DEGREES REMARK 500 A A 76 N9 - C1' - C2' ANGL. DEV. = 8.4 DEGREES REMARK 500 U A 81 O5' - C5' - C4' ANGL. DEV. = -5.4 DEGREES REMARK 500 U A 88 C4' - C3' - C2' ANGL. DEV. = -8.0 DEGREES REMARK 500 A A 90 C8 - N9 - C4 ANGL. DEV. = -2.7 DEGREES REMARK 500 A A 90 N9 - C4 - C5 ANGL. DEV. = 3.1 DEGREES REMARK 500 G A 94 N7 - C8 - N9 ANGL. DEV. = 3.2 DEGREES REMARK 500 G A 94 C8 - N9 - C4 ANGL. DEV. = -2.6 DEGREES REMARK 500 G A 94 N1 - C6 - O6 ANGL. DEV. = 4.3 DEGREES 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 BA A1097 BA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 9 O3' REMARK 620 2 A A 10 OP2 44.5 REMARK 620 3 U A 64 OP2 103.8 107.2 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BA A1095 BA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 27 O6 REMARK 620 2 G A 28 O6 64.1 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BA A1096 BA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U A 64 O2' REMARK 620 2 U A 64 O2 66.9 REMARK 620 3 U A 67 O4 135.2 122.2 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1095 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1096 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1097 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM A 1100 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2YGH RELATED DB: PDB REMARK 900 SAM-I RIBOSWITCH WITH A G2NA MUTATION IN THE KINK TURN IN COMPLEX REMARK 900 WITH S-ADENOSYLMETHIONINE REMARK 999 REMARK 999 SEQUENCE REMARK 999 MUTATIONS AT RESIDUES 18, 19, 34 AND 94. SEE REMARK 400 DBREF 2YDH A 1 94 PDB 2YDH 2YDH 1 94 SEQRES 1 A 94 G G C U U A U C A A G A G SEQRES 2 A 94 A G G U U U A G G G A C U SEQRES 3 A 94 G G C C C G A C G A A A C SEQRES 4 A 94 C C G G C A A C C A G A A SEQRES 5 A 94 A U G G U G C C A A U U C SEQRES 6 A 94 C U G C A G C G G A A A C SEQRES 7 A 94 G U U G A A A G A U G A G SEQRES 8 A 94 C C G HET BA A1095 1 HET BA A1096 1 HET BA A1097 1 HET BA A1098 1 HET BA A1099 1 HET SAM A1100 27 HETNAM BA BARIUM ION HETNAM SAM S-ADENOSYLMETHIONINE FORMUL 2 BA 5(BA 2+) FORMUL 7 SAM C15 H22 N6 O5 S FORMUL 8 HOH *2(H2 O) LINK O3' A A 9 BA BA A1097 1555 1555 3.48 LINK OP2 A A 10 BA BA A1097 1555 1555 2.87 LINK O6 G A 27 BA BA A1095 1555 1555 2.78 LINK O6 G A 28 BA BA A1095 1555 1555 3.58 LINK O2' U A 64 BA BA A1096 1555 1555 2.91 LINK O2 U A 64 BA BA A1096 1555 1555 3.35 LINK OP2 U A 64 BA BA A1097 1555 1555 2.45 LINK O4 U A 67 BA BA A1096 1555 1555 3.40 SITE 1 AC1 2 G A 27 G A 28 SITE 1 AC2 2 U A 64 U A 67 SITE 1 AC3 3 A A 9 A A 10 U A 64 SITE 1 AC4 11 A A 6 U A 7 C A 8 G A 11 SITE 2 AC4 11 A A 45 C A 47 U A 57 G A 58 SITE 3 AC4 11 C A 59 U A 88 G A 89 CRYST1 61.899 61.899 157.628 90.00 90.00 90.00 P 43 21 2 8 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 0.016155 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016155 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006344 0.00000