HEADER RNA 03-APR-08 3CQS TITLE A 3'-OH, 2',5'-PHOSPHODIESTER SUBSTITUTION IN THE HAIRPIN TITLE 2 RIBOZYME ACTIVE SITE REVEALS SIMILARITIES WITH PROTEIN TITLE 3 RIBONUCLEASES COMPND MOL_ID: 1; COMPND 2 MOLECULE: 13-MER SUBSTRATE STRAND WITH 3'-OH, 2',5'- COMPND 3 PHOSPHODIESTER COVALENTLY LINKING 5TH AND 6TH NUCLEOTIDES; COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: THE SCISSILE PHOSPHATE WAS REPLACED WITH A COMPND 7 2',5'-PHOSPHODIESTER LINK; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: 29-MER RIBOZYME STRAND WITH S9L SYNTHETIC LINKER COMPND 10 AT 13TH POSITION; COMPND 11 CHAIN: B; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: 19-MER RIBOZYME STRAND; COMPND 15 CHAIN: C; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: STRAND SYNTHESIZED BY FIDELITY SYSTEMS, INC SOURCE 4 (GAITHERSBURG, MD) USING MODIFIED ADENOSINE SOURCE 5 PHOSPHORAMIDITE TO CREATE 3'-OH, 2',5'-PHOSPHODIESTER SOURCE 6 LINKAGE BETWEEN POSITIONS 5 AND 6. SEQUENCE OCCURS SOURCE 7 NATURALLY IN TOBACCO RINGSPOT VIRUS SATELLITE RNA.; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 OTHER_DETAILS: STRAND SYNTHESIZED BY DHARMACON (FAYETTE, SOURCE 11 CO) AND INCLUDES S9L LINKING RESIDUE IN PLACE OF NATURALLY- SOURCE 12 OCCURRING ADENOSINE 14. SEQUENCE OTHERWISE OCCURS SOURCE 13 NATURALLY IN TOBACCO RINGSPOT VIRUS SATELLITE RNA.; SOURCE 14 MOL_ID: 3; SOURCE 15 SYNTHETIC: YES; SOURCE 16 OTHER_DETAILS: STRAND SYNTHESIZED BY DHARMACON (FAYETTE, SOURCE 17 CO). SEQUENCE OCCURS NATURALLY IN TOBACCO RINGSPOT VIRUS SOURCE 18 SATELLITE RNA. KEYWDS 2',5' PHOSPHODIESTER; HAIRPIN RIBOZYME; REACTION- KEYWDS 2 INTERMEDIATE; TRANSITION-STATE STABILIZATION; RIBONUCLEASE; KEYWDS 3 PHOSPHORYL-TRANSFER, RNA EXPDTA X-RAY DIFFRACTION AUTHOR A.T.TORELLI,R.C.SPITALE,J.KRUCINSKA,J.E.WEDEKIND REVDAT 2 24-FEB-09 3CQS 1 VERSN REVDAT 1 20-MAY-08 3CQS 0 JRNL AUTH A.T.TORELLI,R.C.SPITALE,J.KRUCINSKA,J.E.WEDEKIND JRNL TITL SHARED TRAITS ON THE REACTION COORDINATES OF JRNL TITL 2 RIBONUCLEASE AND AN RNA ENZYME JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 371 154 2008 JRNL REFN ISSN 0006-291X JRNL PMID 18423397 JRNL DOI 10.1016/J.BBRC.2008.04.036 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 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 : PARKINSON ET AL. ACTA CRYST. D, 52, 57-64 REMARK 3 (1996) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 889129.910 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 8446 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : TEST SET REFLECTIONS REMARK 3 MATCHED TO THOSE OF REMARK 3 STARTING MODEL. ADDITIONAL REMARK 3 REFLECTIONS FLAGGED AT REMARK 3 RANDOM TO EXCLUDE 7.4% REMARK 3 TOTAL. REMARK 3 R VALUE (WORKING SET) : 0.217 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.400 REMARK 3 FREE R VALUE TEST SET COUNT : 621 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 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) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.98 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1269 REMARK 3 BIN R VALUE (WORKING SET) : 0.5210 REMARK 3 BIN FREE R VALUE : 0.5240 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 101 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.052 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 1327 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 6 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 98.26 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 82.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -13.93000 REMARK 3 B22 (A**2) : -13.93000 REMARK 3 B33 (A**2) : 27.87000 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) : 0.48 REMARK 3 ESD FROM SIGMAA (A) : 0.96 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) : 0.52 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.91 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.50 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 18.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.83 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 : 0.35 REMARK 3 BSOL : 63.83 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 : DNA-RNAATT REMARK 3 PARAMETER FILE 2 : COBALT.PAR REMARK 3 PARAMETER FILE 3 : TO REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : DNA-RNAATT REMARK 3 TOPOLOGY FILE 2 : COBALT.TOP REMARK 3 TOPOLOGY FILE 3 : TO REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3CQS COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-APR-08. REMARK 100 THE RCSB ID CODE IS RCSB047100. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-APR-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC CONFOCAL OPTICS REMARK 200 OPTICS : CONFOCAL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8458 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 34.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 5.090 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05600 REMARK 200 FOR THE DATA SET : 15.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 4.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.44500 REMARK 200 FOR SHELL : 1.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 2P7F REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.86 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20.5% (W/V) PEG 2000 MME, 0.10 M NA REMARK 280 CACODYLATE BUFFER, 0.25 M LI2SO4, 2.5 MM CO(NH3)6CL3, 2 MM REMARK 280 SPERMIDINE-HCL, PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 43.01667 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 86.03333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 64.52500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 107.54167 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 21.50833 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 43.01667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 86.03333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 107.54167 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 64.52500 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 21.50833 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4700 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.2 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 S9L B 14 O3P 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 B 8 O3' A B 9 P 0.088 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 1 C3' - O3' - P ANGL. DEV. = -9.1 DEGREES REMARK 500 A B 9 O3' - P - OP2 ANGL. DEV. = 10.1 DEGREES REMARK 500 C C 39 C2' - C3' - O3' ANGL. DEV. = 18.4 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 1 0.06 SIDE_CHAIN REMARK 500 G B 8 0.06 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2P7E RELATED DB: PDB REMARK 900 THE SAME MINIMAL HAIRPIN RIBOZYME SEQUENCE CRYSTALLIZED REMARK 900 WITH VANADATE AS A TRANSITION-STATE MIMIC. REMARK 900 RELATED ID: 2P7F RELATED DB: PDB REMARK 900 THE SAME MINIMAL HAIRPIN RIBOZYME SEQUENCE CRYSTALLIZED REMARK 900 WITH A 3'-DEOXY, 2',5'-PHOSPHODIESTER SUBSTITUTION AT THE REMARK 900 SITE OF CLEAVAGE. REMARK 900 RELATED ID: 11BA RELATED DB: PDB REMARK 900 THE STRUCTURE OF BOVINE SEMINAL RIBONUCLEASE ALSO REMARK 900 CRYSTALLIZED WITH A 3'-OH, 2',5'-PHOSPHODIESTER SUBSTRATE REMARK 900 ANALOG. DBREF 3CQS A 1 13 PDB 3CQS 3CQS 1 13 DBREF 3CQS B 2 31 PDB 3CQS 3CQS 2 31 DBREF 3CQS C 31 49 PDB 3CQS 3CQS 31 49 SEQRES 1 A 13 U C C C A G U C C A C C G SEQRES 1 B 30 C G G U G A G A A G G G S9L SEQRES 2 B 30 G G C A G A G A A A C A C SEQRES 3 B 30 A C G A SEQRES 1 C 19 U C G U G G U A C A U U A SEQRES 2 C 19 C C U G C C HET S9L B 14 13 HET NCO B 1 7 HETNAM S9L 2-[2-(2-HYDROXYETHOXY)ETHOXY]ETHYL DIHYDROGEN HETNAM 2 S9L PHOSPHATE HETNAM NCO COBALT HEXAMMINE(III) FORMUL 2 S9L C6 H15 O7 P FORMUL 4 NCO CO H18 N6 3+ FORMUL 5 HOH *6(H2 O) LINK O2' A A 5 P G A 6 1555 1555 1.61 LINK O3' G B 13 P S9L B 14 1555 1555 1.59 LINK O3' S9L B 14 P G B 15 1555 1555 1.60 CRYST1 93.160 93.160 129.050 90.00 90.00 120.00 P 61 2 2 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 0.010734 0.006197 0.000000 0.00000 SCALE2 0.000000 0.012395 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007749 0.00000 MASTER 337 0 2 0 0 0 0 6 0 0 0 6 END