HEADER RNA 20-APR-05 1ZFT TITLE THE CRYSTAL STRUCTURE OF AN ALL-RNA MINIMAL HAIRPIN RIBOZYME WITH TITLE 2 MUTANT G8I AT THE CLEAVAGE SITE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-R(*UP*CP*CP*CP*(A2M)P*GP*UP*CP*CP*AP*CP*CP*G)-3'; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: 5'-R(*CP*GP*GP*UP*GP*AP*IP*AP*AP*GP*GP*G)-3'; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: 5'-R(*GP*GP*CP*AP*GP*AP*GP*AP*AP*AP*CP*AP*CP*AP*CP*GP*A)- COMPND 12 3'; COMPND 13 CHAIN: C; COMPND 14 ENGINEERED: YES; COMPND 15 MOL_ID: 4; COMPND 16 MOLECULE: 5'-R(*UP*CP*GP*UP*GP*GP*UP*AP*CP*AP*UP*UP*AP*CP*CP*UP*GP*CP COMPND 17 *C)-3'; COMPND 18 CHAIN: D; COMPND 19 ENGINEERED: YES; COMPND 20 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: DERIVED FROM SATELLITE TOBACCO RINGSPOT VIRUS; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 OTHER_DETAILS: DERIVED FROM SATELLITE TOBACCO RINGSPOT VIRUS; SOURCE 7 MOL_ID: 3; SOURCE 8 SYNTHETIC: YES; SOURCE 9 OTHER_DETAILS: DERIVED FROM SATELLITE TOBACCO RINGSPOT VIRUS; SOURCE 10 MOL_ID: 4; SOURCE 11 SYNTHETIC: YES; SOURCE 12 OTHER_DETAILS: DERIVED FROM SATELLITE TOBACCO RINGSPOT VIRUS KEYWDS HAIRPIN RIBOZYME, ALL-RNA, COBALT HEXAAMINE, MUTATION, INOSINE, U39C, KEYWDS 2 JUNCTIONLESS, LOW SALT, S-TURN, E-LOOP, RIBOSE ZIPPER, CATALYTIC KEYWDS 3 RNA, 2'-OME, RNA EXPDTA X-RAY DIFFRACTION AUTHOR J.E.WEDEKIND REVDAT 4 23-AUG-23 1ZFT 1 REMARK LINK REVDAT 3 13-JUL-11 1ZFT 1 VERSN REVDAT 2 24-FEB-09 1ZFT 1 VERSN REVDAT 1 14-FEB-06 1ZFT 0 JRNL AUTH J.SALTER,J.KRUCINSKA,S.ALAM,V.GRUM-TOKARS,J.E.WEDEKIND JRNL TITL WATER IN THE ACTIVE SITE OF AN ALL-RNA HAIRPIN RIBOZYME AND JRNL TITL 2 EFFECTS OF GUA8 BASE VARIANTS ON THE GEOMETRY OF PHOSPHORYL JRNL TITL 3 TRANSFER. JRNL REF BIOCHEMISTRY V. 45 686 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 16411744 JRNL DOI 10.1021/BI051887K REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH V.GRUM-TOKARS,M.MILOVANOVIC,J.E.WEDEKIND REMARK 1 TITL CRYSTALLIZATION AND X-RAY DIFFRACTION ANALYSIS OF AN ALL-RNA REMARK 1 TITL 2 U39C MUTANT OF THE MINIMAL HAIRPIN RIBOZYME REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 59 142 2003 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 2 REMARK 1 AUTH R.PINARD,K.J.HAMPEL,J.E.HECKMAN,D.LAMBERT,P.A.CHAN,F.MAJOR, REMARK 1 AUTH 2 J.M.BURKE REMARK 1 TITL FUNCTIONAL INVOLVEMENT OF G8 IN THE HAIRPIN RIBOZYME REMARK 1 TITL 2 CLEAVAGE MECHANISM REMARK 1 REF EMBO J. V. 20 6434 2001 REMARK 1 REFN ISSN 0261-4189 REMARK 2 REMARK 2 RESOLUTION. 2.33 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 : CNS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.33 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.46 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1649069.870 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 14997 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) : 0.227 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1191 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 : 4 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.33 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.56 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3330 REMARK 3 BIN R VALUE (WORKING SET) : 0.4290 REMARK 3 BIN FREE R VALUE : 0.4200 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 299 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.024 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 1294 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 33 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 65.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 66.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -11.20000 REMARK 3 B22 (A**2) : -11.20000 REMARK 3 B33 (A**2) : 22.39000 REMARK 3 B12 (A**2) : -6.94000 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) : 0.40 REMARK 3 ESD FROM SIGMAA (A) : 0.65 REMARK 3 LOW RESOLUTION CUTOFF (A) : 47.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.43 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.64 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 18.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.990 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) : 1.880 ; 2.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.930 ; 3.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.530 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.290 ; 4.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 41.29 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 : ION.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : COBALT.PAR REMARK 3 PARAMETER FILE 4 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 2 : COBALT.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : WATER.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MLI TARGET THROUGHOUT REMARK 4 REMARK 4 1ZFT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-MAY-05. REMARK 100 THE DEPOSITION ID IS D_1000032668. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-NOV-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.978 REMARK 200 MONOCHROMATOR : BENT TRIANGULAR ASYMMETRIC CUT REMARK 200 SI(111) MONOCHROMATOR REMARK 200 OPTICS : BENT TRIANGULAR ASYMMETRIC CUT REMARK 200 SI(111) MONOCHROMATOR (PROVIDES REMARK 200 HORIZONTAL FOCUSSING), RH-COATED REMARK 200 SI MIRROR FOR VERTICAL FOCUSING REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : ADSC REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR (MSC/RIGAKU) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15007 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.330 REMARK 200 RESOLUTION RANGE LOW (A) : 47.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -5.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 8.200 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04000 REMARK 200 FOR THE DATA SET : 26.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.33 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.41 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.44500 REMARK 200 FOR SHELL : 4.200 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: PDB ENTRY 1ZFR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 70.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 2000 MME, LITHIUM SULFATE, REMARK 280 SPERMIDINE, COBALT HEXAAMINE, PH 6.0, VAPOR DIFFUSION, HANGING REMARK 280 DROP, 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 43.83333 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 87.66667 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 65.75000 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 109.58333 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 21.91667 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 43.83333 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 87.66667 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 109.58333 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 65.75000 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 21.91667 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 300 REMARK: THE ASYMMETRIC UNIT COMPRISED OF CHAINS A,B,C AND D FORMS REMARK 300 THE BIOLOGICAL UNIT 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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: 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 C A 2 C4' - C3' - C2' ANGL. DEV. = 6.0 DEGREES REMARK 500 C A 2 O4' - C1' - N1 ANGL. DEV. = 5.1 DEGREES REMARK 500 A D 38 N9 - C1' - C2' ANGL. DEV. = 8.3 DEGREES 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 SO4 A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO D 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO B 102 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1X9C RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF AN ALL-RNA MINIMAL HAIRPIN RIBOZYME (G8, REMARK 900 U39C, LOW SALT CONDITIONS) REMARK 900 RELATED ID: 1X9K RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF AN ALL-RNA MINIMAL HAIRPIN RIBOZYME (G8, REMARK 900 U39C, HIGH SALT CONDITIONS) REMARK 900 RELATED ID: 1ZFR RELATED DB: PDB REMARK 900 AN ALL-RNA HAIRPIN RIBOZYME WITH MUTATION U39C AND 2MA AT A-1(LOW REMARK 900 SALT) REMARK 900 RELATED ID: 1ZFV RELATED DB: PDB REMARK 900 AN ALL-RNA HAIRPIN RIBOZYME WITH MUTATIONS G8A, U39C AND 2'-OH AT A- REMARK 900 1 (LOW SALT) REMARK 900 RELATED ID: 1ZFX RELATED DB: PDB REMARK 900 ALL-RNA HAIRPIN RIBOZYME WITH MUTATIONS G8U AND U39C (LOW SALT) DBREF 1ZFT A 1 13 PDB 1ZFT 1ZFT 1 13 DBREF 1ZFT B 2 13 PDB 1ZFT 1ZFT 2 13 DBREF 1ZFT C 15 31 PDB 1ZFT 1ZFT 15 31 DBREF 1ZFT D 31 49 PDB 1ZFT 1ZFT 31 49 SEQRES 1 A 13 U C C C A2M G U C C A C C G SEQRES 1 B 12 C G G U G A I A A G G G SEQRES 1 C 17 G G C A G A G A A A C A C SEQRES 2 C 17 A C G A SEQRES 1 D 19 U C G U G G U A C A U U A SEQRES 2 D 19 C C U G C C MODRES 1ZFT A2M A 5 A 2'-O-METHYL-ADENOSINE-5'-MONOPHOSPHATE HET A2M A 5 23 HET SO4 A 103 5 HET NCO B 102 7 HET NCO D 101 7 HETNAM A2M 2'-O-METHYLADENOSINE 5'-(DIHYDROGEN PHOSPHATE) HETNAM SO4 SULFATE ION HETNAM NCO COBALT HEXAMMINE(III) FORMUL 1 A2M C11 H16 N5 O7 P FORMUL 5 SO4 O4 S 2- FORMUL 6 NCO 2(CO H18 N6 3+) FORMUL 8 HOH *33(H2 O) LINK O3' C A 4 P A2M A 5 1555 1555 1.60 LINK O3' A2M A 5 P G A 6 1555 1555 1.61 SITE 1 AC1 2 C A 2 NCO B 102 SITE 1 AC2 4 A C 20 G C 21 A D 40 U D 41 SITE 1 AC3 4 SO4 A 103 G B 11 G B 12 G B 13 CRYST1 93.400 93.400 131.500 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 0.010707 0.006181 0.000000 0.00000 SCALE2 0.000000 0.012363 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007605 0.00000