HEADER RIBOZYME 22-AUG-96 1GID TITLE CRYSTAL STRUCTURE OF A GROUP I RIBOZYME DOMAIN: PRINCIPLES OF RNA TITLE 2 PACKING COMPND MOL_ID: 1; COMPND 2 MOLECULE: P4-P6 RNA RIBOZYME DOMAIN; COMPND 3 CHAIN: A, B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 OTHER_DETAILS: T7 TRANSCRIPT KEYWDS RNA, P4-P6 RIBOZYME DOMAIN OF THE TETRAHYMENA GROUP I INTRON, KEYWDS 2 RIBOZYME EXPDTA X-RAY DIFFRACTION AUTHOR J.H.CATE,A.R.GOODING,E.PODELL,K.ZHOU,B.L.GOLDEN,C.E.KUNDROT,T.R.CECH, AUTHOR 2 J.A.DOUDNA REVDAT 3 07-FEB-24 1GID 1 REMARK LINK REVDAT 2 24-FEB-09 1GID 1 VERSN REVDAT 1 31-DEC-96 1GID 0 JRNL AUTH J.H.CATE,A.R.GOODING,E.PODELL,K.ZHOU,B.L.GOLDEN,C.E.KUNDROT, JRNL AUTH 2 T.R.CECH,J.A.DOUDNA JRNL TITL CRYSTAL STRUCTURE OF A GROUP I RIBOZYME DOMAIN: PRINCIPLES JRNL TITL 2 OF RNA PACKING. JRNL REF SCIENCE V. 273 1678 1996 JRNL REFN ISSN 0036-8075 JRNL PMID 8781224 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.H.CATE,A.R.GOODING,E.PODELL,K.ZHOU,B.L.GOLDEN, REMARK 1 AUTH 2 A.A.SZEWCZAK,C.E.KUNDROT,T.R.CECH,J.A.DOUDNA REMARK 1 TITL RNA TERTIARY STRUCTURE MEDIATION BY ADENOSINE REMARK 1 REF SCIENCE V. 273 1696 1996 REMARK 1 REFN ISSN 0036-8075 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.H.CATE,J.A.DOUDNA REMARK 1 TITL METAL-BINDING SITES IN THE MAJOR GROOVE OF A LARGE RIBOZYME REMARK 1 TITL 2 DOMAIN REMARK 1 REF STRUCTURE V. 4 1221 1996 REMARK 1 REFN ISSN 0969-2126 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 73.5 REMARK 3 NUMBER OF REFLECTIONS : 35100 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.242 REMARK 3 FREE R VALUE : 0.285 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.400 REMARK 3 FREE R VALUE TEST SET COUNT : 1788 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.87 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 60.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1368 REMARK 3 BIN R VALUE (WORKING SET) : 0.3980 REMARK 3 BIN FREE R VALUE : 0.5100 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 72 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 6766 REMARK 3 HETEROGEN ATOMS : 52 REMARK 3 SOLVENT ATOMS : 6 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.40 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.270 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 13.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.200 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.780 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.870 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.980 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.590 ; NULL REMARK 3 REMARK 3 NCS MODEL : 14 GROUPS 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 2 : DNA-RNA-MULTI-ENDO.PARAM REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 2 : DNA-RNA-MULTI-ENDO.TOP REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NUCLEIC ACID RNA-DNA PARAMETER FILE: G. REMARK 3 PARKINSON,ET AL. (1996) ACTA CRYST. D52, 57-64 REMARK 4 REMARK 4 1GID COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000173583. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-DEC-95 REMARK 200 TEMPERATURE (KELVIN) : 110.00 REMARK 200 PH : 6.00 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) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4, SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36401 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 18.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 73.0 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04300 REMARK 200 FOR THE DATA SET : 23.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.77 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.26400 REMARK 200 FOR SHELL : 4.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD-SIR REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 71.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.00, VAPOR DIFFUSION REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 37.40000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 72.95000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 64.35000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 72.95000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 37.40000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 64.35000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 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 U A 106 O5' C5' C4' O4' C3' O3' C2' REMARK 480 U A 106 O2' C1' N1 C2 O2 N3 C4 REMARK 480 U A 106 O4 C5 C6 REMARK 480 U A 130 O5' C5' C4' O4' C3' O3' C2' REMARK 480 U A 130 O2' C1' N1 C2 O2 N3 C4 REMARK 480 U A 130 O4 C5 C6 REMARK 480 U A 236 N1 C2 O2 N3 C4 O4 C5 REMARK 480 U A 236 C6 REMARK 480 C A 237 N1 C2 O2 N3 C4 N4 C5 REMARK 480 C A 237 C6 REMARK 480 U A 238 N1 C2 O2 N3 C4 O4 C5 REMARK 480 U A 238 C6 REMARK 480 U B 106 O5' C5' C4' O4' C3' O3' C2' REMARK 480 U B 106 O2' C1' N1 C2 O2 N3 C4 REMARK 480 U B 106 O4 C5 C6 REMARK 480 A B 122 O5' C5' C4' O4' C3' O3' C2' REMARK 480 A B 122 O2' C1' N9 C8 N7 C5 C6 REMARK 480 A B 122 N6 N1 C2 N3 C4 REMARK 480 U B 130 O5' C5' C4' O4' C3' O3' C2' REMARK 480 U B 130 O2' C1' N1 C2 O2 N3 C4 REMARK 480 U B 130 O4 C5 C6 REMARK 480 U B 199 N1 C2 O2 N3 C4 O4 C5 REMARK 480 U B 199 C6 REMARK 480 U B 236 N1 C2 O2 N3 C4 O4 C5 REMARK 480 U B 236 C6 REMARK 480 C B 237 N1 C2 O2 N3 C4 N4 C5 REMARK 480 C B 237 C6 REMARK 480 U B 238 N1 C2 O2 N3 C4 O4 C5 REMARK 480 U B 238 C6 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 124 N1 - C1' - C2' ANGL. DEV. = -6.8 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 MG A 272 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 163 N7 REMARK 620 2 G A 164 O6 69.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 267 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 183 OP1 REMARK 620 2 A A 184 OP2 74.1 REMARK 620 3 A A 186 OP2 87.1 68.6 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 268 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 184 OP1 REMARK 620 2 A A 186 OP1 86.4 REMARK 620 3 A A 187 OP2 159.2 72.9 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 271 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G B 163 N7 REMARK 620 2 G B 164 O6 66.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 269 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 183 OP1 REMARK 620 2 A B 184 OP2 72.2 REMARK 620 3 A B 186 OP2 84.6 66.4 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 270 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 184 OP1 REMARK 620 2 A B 186 OP1 90.4 REMARK 620 3 A B 187 OP2 161.5 74.5 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 281 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 248 O2' REMARK 620 2 G B 250 OP2 83.8 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 265 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 266 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 267 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 268 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 271 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 272 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 274 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 275 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 276 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 277 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 279 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 281 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 282 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 284 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 285 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 286 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 287 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 288 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 261 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO A 262 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO B 263 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NCO B 264 REMARK 999 REMARK 999 SEQUENCE REMARK 999 REFERENCE: MURPHY, F.L., CECH, T.R. BIOCHEMISTRY 32, REMARK 999 5291 (1993). DBREF 1GID A 103 260 PDB 1GID 1GID 103 260 DBREF 1GID B 103 260 PDB 1GID 1GID 103 260 SEQRES 1 A 158 G A A U U G C G G G A A A SEQRES 2 A 158 G G G G U C A A C A G C C SEQRES 3 A 158 G U U C A G U A C C A A G SEQRES 4 A 158 U C U C A G G G G A A A C SEQRES 5 A 158 U U U G A G A U G G C C U SEQRES 6 A 158 U G C A A A G G G U A U G SEQRES 7 A 158 G U A A U A A G C U G A C SEQRES 8 A 158 G G A C A U G G U C C U A SEQRES 9 A 158 A C C A C G C A G C C A A SEQRES 10 A 158 G U C C U A A G U C A A C SEQRES 11 A 158 A G A U C U U C U G U U G SEQRES 12 A 158 A U A U G G A U G C A G U SEQRES 13 A 158 U C SEQRES 1 B 158 G A A U U G C G G G A A A SEQRES 2 B 158 G G G G U C A A C A G C C SEQRES 3 B 158 G U U C A G U A C C A A G SEQRES 4 B 158 U C U C A G G G G A A A C SEQRES 5 B 158 U U U G A G A U G G C C U SEQRES 6 B 158 U G C A A A G G G U A U G SEQRES 7 B 158 G U A A U A A G C U G A C SEQRES 8 B 158 G G A C A U G G U C C U A SEQRES 9 B 158 A C C A C G C A G C C A A SEQRES 10 B 158 G U C C U A A G U C A A C SEQRES 11 B 158 A G A U C U U C U G U U G SEQRES 12 B 158 A U A U G G A U G C A G U SEQRES 13 B 158 U C HET MG A 265 1 HET MG A 267 1 HET MG A 268 1 HET MG A 272 1 HET MG A 274 1 HET MG A 276 1 HET MG A 277 1 HET MG A 278 1 HET MG A 282 1 HET MG A 284 1 HET MG A 285 1 HET MG A 287 1 HET NCO A 261 7 HET NCO A 262 7 HET MG B 266 1 HET MG B 269 1 HET MG B 270 1 HET MG B 271 1 HET MG B 273 1 HET MG B 275 1 HET MG B 279 1 HET MG B 280 1 HET MG B 281 1 HET MG B 283 1 HET MG B 286 1 HET MG B 288 1 HET NCO B 263 7 HET NCO B 264 7 HETNAM MG MAGNESIUM ION HETNAM NCO COBALT HEXAMMINE(III) FORMUL 3 MG 24(MG 2+) FORMUL 15 NCO 4(CO H18 N6 3+) FORMUL 31 HOH *6(H2 O) LINK OP2 G A 112 MG MG A 285 1555 1555 2.25 LINK O4 U A 120 MG MG A 287 1555 1555 3.12 LINK N7 G A 163 MG MG A 272 1555 1555 2.58 LINK O6 G A 164 MG MG A 272 1555 1555 2.11 LINK OP2 A A 171 MG MG A 274 1555 1555 2.28 LINK OP2 A A 173 MG MG A 276 1555 1555 2.39 LINK OP1 A A 183 MG MG A 267 1555 1555 2.07 LINK OP2 A A 184 MG MG A 267 1555 1555 2.29 LINK OP1 A A 184 MG MG A 268 1555 1555 2.06 LINK OP2 A A 186 MG MG A 267 1555 1555 2.55 LINK OP1 A A 186 MG MG A 268 1555 1555 2.34 LINK OP2 A A 187 MG MG A 268 1555 1555 2.13 LINK O6 G A 188 MG MG A 265 1555 1555 2.05 LINK OP2 G A 250 MG MG A 282 1555 1555 2.29 LINK OP2 G B 112 MG MG B 279 1555 1555 2.31 LINK N7 G B 163 MG MG B 271 1555 1555 2.67 LINK O6 G B 164 MG MG B 271 1555 1555 2.15 LINK OP2 A B 171 MG MG B 275 1555 1555 2.32 LINK OP2 A B 173 MG MG B 280 1555 1555 2.25 LINK OP1 A B 183 MG MG B 269 1555 1555 2.12 LINK OP2 A B 184 MG MG B 269 1555 1555 2.32 LINK OP1 A B 184 MG MG B 270 1555 1555 2.00 LINK OP2 A B 186 MG MG B 269 1555 1555 2.59 LINK OP1 A B 186 MG MG B 270 1555 1555 2.25 LINK OP2 A B 187 MG MG B 270 1555 1555 2.21 LINK O6 G B 188 MG MG B 266 1555 1555 2.09 LINK O2' A B 248 MG MG B 281 1555 1555 2.89 LINK OP2 G B 250 MG MG B 281 1555 1555 2.31 SITE 1 AC1 1 G A 188 SITE 1 AC2 1 G B 188 SITE 1 AC3 3 A A 183 A A 184 A A 186 SITE 1 AC4 4 A A 183 A A 184 A A 186 A A 187 SITE 1 AC5 3 A B 183 A B 184 A B 186 SITE 1 AC6 4 A B 183 A B 184 A B 186 A B 187 SITE 1 AC7 2 G B 163 G B 164 SITE 1 AC8 2 G A 163 G A 164 SITE 1 AC9 1 A A 171 SITE 1 BC1 1 A B 171 SITE 1 BC2 1 A A 173 SITE 1 BC3 2 C A 213 C A 255 SITE 1 BC4 1 G B 112 SITE 1 BC5 1 A B 173 SITE 1 BC6 3 A B 248 U B 249 G B 250 SITE 1 BC7 3 A A 248 U A 249 G A 250 SITE 1 BC8 1 U A 155 SITE 1 BC9 1 G A 112 SITE 1 CC1 1 U B 205 SITE 1 CC2 1 U A 120 SITE 1 CC3 1 U B 120 SITE 1 CC4 6 A A 146 G A 147 G A 148 G A 149 SITE 2 CC4 6 U A 155 U A 156 SITE 1 CC5 4 G A 174 G A 175 G A 176 U A 177 SITE 1 CC6 6 A B 146 G B 147 G B 148 G B 149 SITE 2 CC6 6 U B 155 U B 156 SITE 1 CC7 4 G B 174 G B 175 G B 176 U B 177 CRYST1 74.800 128.700 145.900 90.00 90.00 90.00 P 21 21 21 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 0.013369 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007770 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006854 0.00000