HEADER RNA 14-MAR-06 2GCS TITLE PRE-CLEAVAGE STATE OF THE THERMOANAEROBACTER TENGCONGENSIS GLMS TITLE 2 RIBOZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLMS RIBOZYME AMINO RNA INHIBITOR; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: GLMS RIBOZYME RNA; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN THE SOURCE 4 THERMOANAEROBACTER TENGCONGENSIS GLMS RIBOZYME; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 OTHER_DETAILS: IN VITRO TRANSCRIPTION OF SEQUNCE FROM SOURCE 8 THERMOANAEROBACTER TENGCONGENSIS KEYWDS RNA; RIBOZYME; PSEUDOKNOT; HELIX, RNA EXPDTA X-RAY DIFFRACTION AUTHOR D.J.KLEIN,A.R.FERRE-D'AMARE REVDAT 5 14-FEB-24 2GCS 1 REMARK REVDAT 4 20-OCT-21 2GCS 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 2GCS 1 VERSN REVDAT 2 03-OCT-06 2GCS 1 JRNL REVDAT 1 26-SEP-06 2GCS 0 JRNL AUTH D.J.KLEIN,A.R.FERRE-D'AMARE JRNL TITL STRUCTURAL BASIS OF GLMS RIBOZYME ACTIVATION BY JRNL TITL 2 GLUCOSAMINE-6-PHOSPHATE JRNL REF SCIENCE V. 313 1752 2006 JRNL REFN ISSN 0036-8075 JRNL PMID 16990543 JRNL DOI 10.1126/SCIENCE.1129666 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 30740 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) : 0.221 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.400 REMARK 3 FREE R VALUE TEST SET COUNT : 2880 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 3077 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 201 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : 0.26 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.210 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 18.34 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.780 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) : 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 : A SOLVENT DENSITY LEVEL OF 0.35 AND SOLVENT B REMARK 3 -FACTOR OF 20 WERE USED FOR THE BULK SOLVENT REMARK 3 DURING REFINEMENT REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2GCS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-MAR-06. REMARK 100 THE DEPOSITION ID IS D_1000036962. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-FEB-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SINGLE CRYSTAL, CYLINDRICALLY REMARK 200 BENT, SI(220) 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 : 30830 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 14% PEG 4000, 1M LICL, 100MM MES-NAOH REMARK 280 PH 5.6, 5MM MGCL2, 4MM GLCN6P, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 90.59950 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.85650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 90.59950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 19.85650 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER 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 APPLY THE FOLLOWING TO CHAINS: A, 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 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 U A 21 REMARK 465 G A 22 REMARK 465 C A 23 REMARK 465 A A 24 REMARK 465 C A 25 REMARK 465 U A 26 REMARK 465 C B 21 REMARK 465 C B 22 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 U A 6 N1 C2 O2 N3 C4 O4 C5 REMARK 470 U A 6 C6 REMARK 470 U B 103 N1 C2 O2 N3 C4 O4 C5 REMARK 470 U B 103 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 5 C2' - C3' - O3' ANGL. DEV. = 15.4 DEGREES REMARK 500 G B 41 N9 - C1' - C2' ANGL. DEV. = 8.2 DEGREES REMARK 500 C B 57 C2' - C3' - O3' ANGL. DEV. = 14.5 DEGREES REMARK 500 G B 94 N9 - C1' - C2' ANGL. DEV. = 8.0 DEGREES REMARK 500 G B 94 O4' - C1' - N9 ANGL. DEV. = 4.8 DEGREES REMARK 500 U B 103 C2' - C3' - O3' ANGL. DEV. = 12.1 DEGREES REMARK 500 G B 130 N9 - C1' - C2' ANGL. DEV. = 9.2 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 G B 114 0.05 SIDE CHAIN 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 B 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 C A 2 OP2 REMARK 620 2 C B 36 OP2 174.3 REMARK 620 3 G B 37 OP2 89.0 90.1 REMARK 620 4 HOH B 261 O 94.2 91.4 87.4 REMARK 620 5 HOH B 288 O 85.5 88.9 90.2 177.5 REMARK 620 6 HOH B 289 O 92.0 89.4 175.1 87.8 94.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 504 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 56 O2' REMARK 620 2 HOH B 260 O 98.4 REMARK 620 3 HOH B 350 O 104.5 81.2 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 502 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A B 110 N7 REMARK 620 2 HOH B 235 O 109.1 REMARK 620 3 HOH B 266 O 99.3 86.1 REMARK 620 4 HOH B 374 O 150.7 99.5 75.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 505 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 211 O REMARK 620 2 HOH B 300 O 173.0 REMARK 620 3 HOH B 330 O 105.6 76.1 REMARK 620 4 HOH B 331 O 96.1 77.1 87.4 REMARK 620 5 HOH B 332 O 82.9 94.8 169.9 86.3 REMARK 620 6 HOH B 333 O 102.3 84.4 91.0 161.2 92.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 506 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 399 O REMARK 620 2 HOH B 400 O 134.3 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 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 506 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2GCV RELATED DB: PDB REMARK 900 RELATED ID: 2H0S RELATED DB: PDB REMARK 900 RELATED ID: 2H0W RELATED DB: PDB REMARK 900 RELATED ID: 2H0X RELATED DB: PDB REMARK 900 RELATED ID: 2H0Z RELATED DB: PDB DBREF 2GCS B 23 145 GB 20517198 AE013165 2582 2704 DBREF 2GCS A 0 26 PDB 2GCS 2GCS 0 26 SEQADV 2GCS C B 21 GB 20517198 INSERTION SEQADV 2GCS C B 22 GB 20517198 INSERTION SEQADV 2GCS A23 B 145 GB 20517198 A 2704 ENGINEERED MUTATION SEQRES 1 A 27 2AD G C G C C U G G A C U U SEQRES 2 A 27 A A A G C C A U U G C A C SEQRES 3 A 27 U SEQRES 1 B 125 C C G G C U U U A A G U U SEQRES 2 B 125 G A C G A G G G C A G G G SEQRES 3 B 125 U U U A U C G A G A C A U SEQRES 4 B 125 C G G C G G G U G C C C U SEQRES 5 B 125 G C G G U C U U C C U G C SEQRES 6 B 125 G A C C G U U A G A G G A SEQRES 7 B 125 C U G G U A A A A C C A C SEQRES 8 B 125 A G G C G A C U G U G G C SEQRES 9 B 125 A U A G A G C A G U C C G SEQRES 10 B 125 G G C A G G A A23 MODRES 2GCS A23 B 145 A HET 2AD A 0 19 HET A23 B 145 25 HET MG B 501 1 HET MG B 502 1 HET MG B 503 1 HET MG B 504 1 HET MG B 505 1 HET MG B 506 1 HETNAM 2AD 2'-AMINO-2'-DEOXYADENOSINE HETNAM A23 ADENOSINE-5'-PHOSPHATE-2',3'-CYCLIC PHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 1 2AD C10 H14 N6 O3 FORMUL 2 A23 C10 H13 N5 O9 P2 FORMUL 3 MG 6(MG 2+) FORMUL 9 HOH *201(H2 O) LINK O3' 2AD A 0 P G A 1 1555 1555 1.60 LINK O3' A B 144 P A23 B 145 1555 1555 1.61 LINK OP2 C A 2 MG MG B 501 1555 1555 2.22 LINK OP2 C B 36 MG MG B 501 1555 1555 2.06 LINK OP2 G B 37 MG MG B 501 1555 1555 2.26 LINK O2' A B 56 MG MG B 504 1555 1555 3.00 LINK N7 A B 110 MG MG B 502 1555 1555 2.42 LINK O HOH B 211 MG MG B 505 1555 1555 2.03 LINK O HOH B 235 MG MG B 502 1555 1555 2.44 LINK O HOH B 260 MG MG B 504 1555 1555 3.12 LINK O HOH B 261 MG MG B 501 1555 1555 2.13 LINK O HOH B 266 MG MG B 502 1555 1555 2.71 LINK O HOH B 288 MG MG B 501 1555 1555 2.10 LINK O HOH B 289 MG MG B 501 1555 1555 2.07 LINK O HOH B 300 MG MG B 505 1555 1555 2.20 LINK O HOH B 330 MG MG B 505 1555 1555 2.02 LINK O HOH B 331 MG MG B 505 1555 1555 2.05 LINK O HOH B 332 MG MG B 505 1555 1555 2.11 LINK O HOH B 333 MG MG B 505 1555 1555 2.17 LINK O HOH B 350 MG MG B 504 1555 1555 3.09 LINK O HOH B 374 MG MG B 502 1555 1555 2.78 LINK O HOH B 399 MG MG B 506 1555 1555 2.06 LINK O HOH B 400 MG MG B 506 1555 1555 2.29 SITE 1 AC1 8 G A 1 C A 2 A B 35 C B 36 SITE 2 AC1 8 G B 37 HOH B 261 HOH B 288 HOH B 289 SITE 1 AC2 4 A B 110 HOH B 235 HOH B 266 HOH B 374 SITE 1 AC3 3 U B 79 C B 81 C B 82 SITE 1 AC4 4 A B 56 C B 57 U B 59 HOH B 350 SITE 1 AC5 7 U B 100 HOH B 211 HOH B 300 HOH B 330 SITE 2 AC5 7 HOH B 331 HOH B 332 HOH B 333 SITE 1 AC6 3 G B 122 HOH B 399 HOH B 400 CRYST1 181.199 39.713 71.038 90.00 90.00 90.00 P 21 21 2 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 0.005519 0.000000 0.000000 0.00000 SCALE2 0.000000 0.025181 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014077 0.00000 HETATM 1 O5' 2AD A 0 40.360 7.625 22.348 1.00 39.12 O HETATM 2 C5' 2AD A 0 40.094 7.547 20.961 1.00 33.72 C HETATM 3 C4' 2AD A 0 41.380 7.629 20.185 1.00 32.55 C HETATM 4 O4' 2AD A 0 42.084 6.365 20.287 1.00 30.94 O HETATM 5 C3' 2AD A 0 41.080 7.825 18.698 1.00 31.14 C HETATM 6 O3' 2AD A 0 41.959 8.792 18.153 1.00 27.69 O HETATM 7 C2' 2AD A 0 41.159 6.441 18.066 1.00 32.65 C HETATM 8 C1' 2AD A 0 42.121 5.747 19.020 1.00 33.60 C HETATM 9 N9 2AD A 0 42.047 4.298 19.133 1.00 33.93 N HETATM 10 C8 2AD A 0 41.187 3.478 19.814 1.00 34.13 C HETATM 11 N7 2AD A 0 41.440 2.201 19.648 1.00 35.90 N HETATM 12 C5 2AD A 0 42.542 2.186 18.801 1.00 35.63 C HETATM 13 C6 2AD A 0 43.299 1.142 18.237 1.00 35.34 C HETATM 14 N6 2AD A 0 43.053 -0.154 18.444 1.00 34.49 N HETATM 15 N1 2AD A 0 44.336 1.482 17.439 1.00 39.03 N HETATM 16 C2 2AD A 0 44.590 2.782 17.228 1.00 34.52 C HETATM 17 N3 2AD A 0 43.954 3.845 17.697 1.00 34.82 N HETATM 18 C4 2AD A 0 42.927 3.472 18.484 1.00 35.49 C HETATM 19 N 2AD A 0 41.753 6.428 16.787 1.00 39.16 N