HEADER RNA 01-APR-09 3GX3 TITLE CRYSTAL STRUCTURE OF THE T. TENGCONGENSIS SAM-I RIBOSWITCH VARIANT TITLE 2 U34C/A94G BOUND WITH SAH COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (94-MER); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE SEQUENCE IS BASED ON A NATURALLY OCCURRING SOURCE 4 SEQUENCE FOUND IN T. TENGCONGENSIS KEYWDS KINK-TURN, FOUR-WAY JUNCTION, PSEUDOKNOT, RIBOSWITCH, RNA EXPDTA X-RAY DIFFRACTION AUTHOR R.K.MONTANGE,R.T.BATEY REVDAT 3 06-SEP-23 3GX3 1 REMARK LINK REVDAT 2 02-MAR-10 3GX3 1 JRNL REVDAT 1 12-JAN-10 3GX3 0 JRNL AUTH R.K.MONTANGE,E.MONDRAGON,D.VAN TYNE,A.D.GARST,P.CERES, JRNL AUTH 2 R.T.BATEY JRNL TITL DISCRIMINATION BETWEEN CLOSELY RELATED CELLULAR METABOLITES JRNL TITL 2 BY THE SAM-I RIBOSWITCH. JRNL REF J.MOL.BIOL. V. 396 761 2010 JRNL REFN ISSN 0022-2836 JRNL PMID 20006621 JRNL DOI 10.1016/J.JMB.2009.12.007 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.74 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 2.200 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 8977 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.237 REMARK 3 R VALUE (WORKING SET) : 0.231 REMARK 3 FREE R VALUE : 0.291 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.990 REMARK 3 FREE R VALUE TEST SET COUNT : 897 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 19.7417 - 4.8857 0.98 1443 161 0.1841 0.2202 REMARK 3 2 4.8857 - 3.8877 0.99 1363 151 0.1977 0.2785 REMARK 3 3 3.8877 - 3.3991 0.99 1337 149 0.2221 0.3203 REMARK 3 4 3.3991 - 3.0896 0.98 1330 147 0.2326 0.3326 REMARK 3 5 3.0896 - 2.8688 0.98 1309 145 0.3478 0.3488 REMARK 3 6 2.8688 - 2.7000 0.98 1298 144 0.4217 0.4553 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.25 REMARK 3 B_SOL : 23.38 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.540 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.490 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 54.60 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 2304 REMARK 3 ANGLE : 2.600 3592 REMARK 3 CHIRALITY : 0.232 475 REMARK 3 PLANARITY : 0.008 96 REMARK 3 DIHEDRAL : 30.065 1323 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3GX3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-APR-09. REMARK 100 THE DEPOSITION ID IS D_1000052414. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JAN-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 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) : 1.54 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : OSMIC MIRROR 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 : 8993 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 6.740 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.6 REMARK 200 DATA REDUNDANCY IN SHELL : 7.06 REMARK 200 R MERGE FOR SHELL (I) : 0.36900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRY 2GIS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20 MM MAGNESIUM CHLORIDE, 80 MM REMARK 280 POTASSIUM CHLORIDE, 12 MM SPERMINE, 10% MPD, 40 MM CACODYLATE, REMARK 280 PH 7.0, VAPOR DIFFUSION, HANGING DROP 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 79.11050 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 31.21350 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 31.21350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 118.66575 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 31.21350 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 31.21350 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 39.55525 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 31.21350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 31.21350 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 118.66575 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 31.21350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 31.21350 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 39.55525 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 79.11050 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: 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 N2 G A 94 N2 G A 94 8775 1.88 REMARK 500 REMARK 500 REMARK: NULL 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 -0.116 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 7 P - O5' - C5' ANGL. DEV. = -12.6 DEGREES REMARK 500 U A 7 O4' - C1' - N1 ANGL. DEV. = -6.0 DEGREES REMARK 500 U A 7 C5 - C6 - N1 ANGL. DEV. = 3.3 DEGREES REMARK 500 A A 9 O4' - C1' - N9 ANGL. DEV. = -7.0 DEGREES REMARK 500 A A 10 C3' - O3' - P ANGL. DEV. = -8.1 DEGREES REMARK 500 G A 13 N3 - C4 - N9 ANGL. DEV. = -4.7 DEGREES REMARK 500 G A 13 C8 - N9 - C1' ANGL. DEV. = 9.8 DEGREES REMARK 500 G A 13 C4 - N9 - C1' ANGL. DEV. = -9.5 DEGREES REMARK 500 A A 14 C3' - O3' - P ANGL. DEV. = 8.6 DEGREES REMARK 500 G A 15 P - O5' - C5' ANGL. DEV. = -10.3 DEGREES REMARK 500 G A 15 C3' - O3' - P ANGL. DEV. = -7.9 DEGREES REMARK 500 G A 16 C3' - O3' - P ANGL. DEV. = -11.9 DEGREES REMARK 500 G A 19 O3' - P - O5' ANGL. DEV. = -25.7 DEGREES REMARK 500 G A 19 O3' - P - OP2 ANGL. DEV. = -17.8 DEGREES REMARK 500 G A 19 O3' - P - OP1 ANGL. DEV. = -16.8 DEGREES REMARK 500 G A 19 O5' - P - OP2 ANGL. DEV. = 11.9 DEGREES REMARK 500 G A 19 C3' - O3' - P ANGL. DEV. = 8.6 DEGREES REMARK 500 A A 20 C3' - O3' - P ANGL. DEV. = 8.8 DEGREES REMARK 500 G A 21 N9 - C1' - C2' ANGL. DEV. = -9.5 DEGREES REMARK 500 G A 21 C3' - O3' - P ANGL. DEV. = -7.3 DEGREES REMARK 500 G A 27 O3' - P - O5' ANGL. DEV. = -19.7 DEGREES REMARK 500 G A 27 O3' - P - OP2 ANGL. DEV. = -17.1 DEGREES REMARK 500 G A 27 O3' - P - OP1 ANGL. DEV. = -22.9 DEGREES REMARK 500 G A 27 OP1 - P - OP2 ANGL. DEV. = 9.5 DEGREES REMARK 500 G A 27 O5' - P - OP2 ANGL. DEV. = 8.1 DEGREES REMARK 500 C A 30 O4' - C1' - N1 ANGL. DEV. = -5.8 DEGREES REMARK 500 C A 34 O4' - C1' - N1 ANGL. DEV. = -9.6 DEGREES REMARK 500 C A 39 O3' - P - O5' ANGL. DEV. = -16.6 DEGREES REMARK 500 C A 39 O3' - P - OP2 ANGL. DEV. = -17.7 DEGREES REMARK 500 C A 39 O3' - P - OP1 ANGL. DEV. = -22.3 DEGREES REMARK 500 C A 39 OP1 - P - OP2 ANGL. DEV. = 11.4 DEGREES REMARK 500 C A 39 O5' - P - OP2 ANGL. DEV. = 7.8 DEGREES REMARK 500 C A 40 O4' - C1' - N1 ANGL. DEV. = 4.8 DEGREES REMARK 500 C A 44 O3' - P - O5' ANGL. DEV. = -19.4 DEGREES REMARK 500 C A 44 O3' - P - OP2 ANGL. DEV. = -22.9 DEGREES REMARK 500 C A 44 O3' - P - OP1 ANGL. DEV. = -15.7 DEGREES REMARK 500 C A 44 O5' - P - OP2 ANGL. DEV. = 9.3 DEGREES REMARK 500 C A 47 P - O5' - C5' ANGL. DEV. = -14.7 DEGREES REMARK 500 C A 47 N1 - C1' - C2' ANGL. DEV. = -9.1 DEGREES REMARK 500 A A 53 O3' - P - O5' ANGL. DEV. = -16.6 DEGREES REMARK 500 A A 53 O3' - P - OP2 ANGL. DEV. = -22.1 DEGREES REMARK 500 A A 53 O3' - P - OP1 ANGL. DEV. = -19.3 DEGREES REMARK 500 A A 53 OP1 - P - OP2 ANGL. DEV. = 12.0 DEGREES REMARK 500 A A 53 O5' - P - OP2 ANGL. DEV. = 7.9 DEGREES REMARK 500 U A 63 C3' - O3' - P ANGL. DEV. = 16.0 DEGREES REMARK 500 U A 64 O3' - P - OP1 ANGL. DEV. = 7.7 DEGREES REMARK 500 C A 65 N1 - C1' - C2' ANGL. DEV. = -12.3 DEGREES REMARK 500 C A 65 O4' - C1' - N1 ANGL. DEV. = 6.0 DEGREES REMARK 500 C A 65 C3' - O3' - P ANGL. DEV. = -8.8 DEGREES REMARK 500 U A 67 C3' - O3' - P ANGL. DEV. = 7.8 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 61 ANGLE DEVIATIONS. 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 208 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 10 OP2 REMARK 620 2 U A 64 OP2 80.3 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 SAH A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 205 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 208 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 209 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 210 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3GX2 RELATED DB: PDB REMARK 900 RELATED ID: 3GX5 RELATED DB: PDB REMARK 900 RELATED ID: 3GX6 RELATED DB: PDB REMARK 900 RELATED ID: 3GX7 RELATED DB: PDB DBREF 3GX3 A 1 94 PDB 3GX3 3GX3 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 G G 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 SAH A 301 26 HET MG A 201 1 HET MG A 202 1 HET MG A 203 1 HET MG A 204 1 HET MG A 205 1 HET MG A 206 1 HET MG A 207 1 HET MG A 208 1 HET MG A 209 1 HET K A 210 1 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM MG MAGNESIUM ION HETNAM K POTASSIUM ION FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 MG 9(MG 2+) FORMUL 12 K K 1+ FORMUL 13 HOH *12(H2 O) LINK OP2 A A 10 MG MG A 208 1555 1555 2.15 LINK O6 G A 27 MG MG A 207 1555 1555 2.92 LINK OP2 A A 53 MG MG A 202 1555 1555 2.66 LINK O2 U A 64 MG MG A 205 1555 1555 2.84 LINK OP2 U A 64 MG MG A 208 1555 1555 2.71 LINK OP2 C A 65 MG MG A 209 1555 1555 2.74 LINK O HOH A 95 MG MG A 201 1555 1555 2.57 SITE 1 AC1 10 A A 6 U A 7 G A 11 A A 45 SITE 2 AC1 10 C A 47 U A 57 G A 58 C A 59 SITE 3 AC1 10 U A 88 G A 89 SITE 1 AC2 1 HOH A 95 SITE 1 AC3 3 G A 50 A A 52 A A 53 SITE 1 AC4 4 A A 70 G A 71 G A 79 U A 80 SITE 1 AC5 3 A A 24 U A 64 U A 67 SITE 1 AC6 1 HOH A 96 SITE 1 AC7 2 U A 26 G A 27 SITE 1 AC8 3 A A 10 G A 11 U A 64 SITE 1 AC9 4 A A 62 U A 63 U A 64 C A 65 SITE 1 BC1 2 U A 5 U A 88 CRYST1 62.427 62.427 158.221 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 0.016019 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016019 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006320 0.00000