HEADER RNA 11-JUL-11 3SUH TITLE CRYSTAL STRUCTURE OF THF RIBOSWITCH, BOUND WITH 5-FORMYL-THF COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBOSWITCH; COMPND 3 CHAIN: X; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: RNA (101-MER) SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: EUBACTERIUM SIRAEUM V10SC8A; SOURCE 4 ORGANISM_TAXID: 717961 KEYWDS THREE-WAY JUNCTION, PSEUDOKNOT, GENE REGULATOR, THF, RNA EXPDTA X-RAY DIFFRACTION AUTHOR L.HUANG,A.SERGANOV,D.J.PATEL REVDAT 4 13-SEP-23 3SUH 1 REMARK LINK REVDAT 3 29-OCT-14 3SUH 1 AUTHOR REVDAT 2 14-MAR-12 3SUH 1 JRNL REVDAT 1 14-SEP-11 3SUH 0 JRNL AUTH L.HUANG,S.ISHIBE-MURAKAMI,D.J.PATEL,A.SERGANOV JRNL TITL LONG-RANGE PSEUDOKNOT INTERACTIONS DICTATE THE REGULATORY JRNL TITL 2 RESPONSE IN THE TETRAHYDROFOLATE RIBOSWITCH. JRNL REF PROC.NATL.ACAD.SCI.USA V. 108 14801 2011 JRNL REFN ISSN 0027-8424 JRNL PMID 21873197 JRNL DOI 10.1073/PNAS.1111701108 REMARK 2 REMARK 2 RESOLUTION. 2.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 12889 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 + TEST SET) : 0.211 REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 670 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) : 2.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.72 REMARK 3 REFLECTION IN BIN (WORKING SET) : 932 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.4570 REMARK 3 BIN FREE R VALUE SET COUNT : 53 REMARK 3 BIN FREE R VALUE : 0.4600 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 2176 REMARK 3 HETEROGEN ATOMS : 36 REMARK 3 SOLVENT ATOMS : 21 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.277 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.202 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.943 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.920 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2474 ; 0.006 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3853 ; 1.145 ; 2.998 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1102 ; 0.012 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 884 ; 0.204 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1567 ; 0.287 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 74 ; 0.165 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 64 ; 0.180 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 17 ; 0.149 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3SUH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JUL-11. REMARK 100 THE DEPOSITION ID IS D_1000066666. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JUN-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C 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 : SI MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13605 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.650 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : 0.05800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 32.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.60 REMARK 200 R MERGE FOR SHELL (I) : 0.55300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: PDB ENTRY 3SUX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NA-CACODYLATE, PH 6.6 3.2M M NA REMARK 280 -FORMATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 63.29850 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 36.54541 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 49.72133 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 63.29850 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 36.54541 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 49.72133 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 63.29850 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 36.54541 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 49.72133 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 63.29850 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 36.54541 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 49.72133 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 63.29850 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 36.54541 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 49.72133 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 63.29850 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 36.54541 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 49.72133 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 73.09081 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 99.44267 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 73.09081 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 99.44267 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 73.09081 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 99.44267 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 73.09081 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 99.44267 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 73.09081 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 99.44267 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 73.09081 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 99.44267 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: X 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32110 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: X 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 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 73.09081 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 99.44267 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 NA X 201 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G X 76 O6 REMARK 620 2 U X 78 O4 84.5 REMARK 620 3 HOH X 107 O 113.7 49.6 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA X 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FFO X 103 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3SUX RELATED DB: PDB REMARK 900 RELATED ID: 3SUY RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE DATABASE REFERENCE CLOSEST TO THE CRYSTALLIZED SEQUENCE IS GB REMARK 999 291556121 (NUCLEOTIDES RANGE: 95183-95281). TO FACILITATE REMARK 999 CRYSTALLIZATION, NONCANONICAL BASE PAIRS WERE CONVERTED TO THEIR REMARK 999 WATSON CRICK COUNTERPARTS BY U14A, U65C, AND U85A MUTATIONS. DBREF 3SUH X 1 101 PDB 3SUH 3SUH 1 101 SEQRES 1 X 101 G G A C A G A G U A G G U SEQRES 2 X 101 A A A C G U G C G U A A A SEQRES 3 X 101 G U G C C U G A G G G A C SEQRES 4 X 101 G G G G A G U U G U C C U SEQRES 5 X 101 C A G G A C G A A C A C C SEQRES 6 X 101 G A A A G G U G G C G G U SEQRES 7 X 101 A C G U U U A C C G C A U SEQRES 8 X 101 C U C G C U G U U CCC MODRES 3SUH CCC X 101 C HET CCC X 101 23 HET NA X 201 1 HET NA X 202 1 HET FFO X 103 34 HETNAM CCC CYTIDINE-5'-PHOSPHATE-2',3'-CYCLIC PHOSPHATE HETNAM NA SODIUM ION HETNAM FFO N-[4-({[(6S)-2-AMINO-5-FORMYL-4-OXO-3,4,5,6,7,8- HETNAM 2 FFO HEXAHYDROPTERIDIN-6-YL]METHYL}AMINO)BENZOYL]-L- HETNAM 3 FFO GLUTAMIC ACID HETSYN FFO [6S]-5-FORMYL-TETRAHYDROFOLATE; 6S-FOLINIC ACID FORMUL 1 CCC C9 H13 N3 O10 P2 FORMUL 2 NA 2(NA 1+) FORMUL 4 FFO C20 H23 N7 O7 FORMUL 5 HOH *21(H2 O) LINK O3' U X 100 P CCC X 101 1555 1555 1.60 LINK O6 G X 76 NA NA X 201 1555 1555 2.54 LINK O4 U X 78 NA NA X 201 1555 1555 2.62 LINK O HOH X 107 NA NA X 201 1555 1555 2.68 SITE 1 AC1 3 G X 76 U X 78 HOH X 107 SITE 1 AC2 5 U X 28 G X 29 C X 58 G X 59 SITE 2 AC2 5 G X 77 CRYST1 126.597 126.597 149.164 90.00 90.00 120.00 H 3 2 18 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 0.007899 0.004561 0.000000 0.00000 SCALE2 0.000000 0.009121 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006704 0.00000