HEADER RNA 21-NOV-25 9TCG TITLE CRYSTAL STRUCTURE OF A PREBIOTIC TRNA ACCEPTOR STEM MIMIC COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (5'-R(P*AP*GP*CP*GP*A)-3'); COMPND 3 CHAIN: A, C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RNA (5'-R(*UP*CP*GP*CP*UP*UP*(5BU)P*CP*C)-3'); COMPND 7 CHAIN: B, D; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 8 ORGANISM_TAXID: 32630 KEYWDS ANOMALOUS SCATTERING; NUCLEIC ACIDS, PREBIOTIC TRNA ACCEPTOR STEM, KEYWDS 2 RNA TRIPLEX, RNA EXPDTA X-RAY DIFFRACTION AUTHOR D.BELLINI,Z.W.LIU,K.EL OMARI REVDAT 1 11-FEB-26 9TCG 0 JRNL AUTH Z.LIU,D.BELLINI,F.GORREC,A.WAGNER,K.EL OMARI,J.D.SUTHERLAND JRNL TITL CRYSTAL STRUCTURE OF A TRNA ACCEPTOR-STEM MIMIC AT 1.94 JRNL TITL 2 ANGSTROM RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 82 57 2026 JRNL REFN ESSN 2053-230X JRNL PMID 41608807 JRNL DOI 10.1107/S2053230X26000658 REMARK 2 REMARK 2 RESOLUTION. 2.52 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0431 (REFMACAT 0.4.105) REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.52 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.89 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 3396 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.258 REMARK 3 FREE R VALUE : 0.296 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.653 REMARK 3 FREE R VALUE TEST SET COUNT : 158 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) : 2.52 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.59 REMARK 3 REFLECTION IN BIN (WORKING SET) : 162 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 72.25 REMARK 3 BIN R VALUE (WORKING SET) : 2.6260 REMARK 3 BIN FREE R VALUE SET COUNT : 2 REMARK 3 BIN FREE R VALUE : 5.6700 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 604 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 83.24 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.22700 REMARK 3 B22 (A**2) : -0.22700 REMARK 3 B33 (A**2) : 0.73500 REMARK 3 B12 (A**2) : -0.11300 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.569 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.329 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.281 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 32.530 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.955 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 669 ; 0.005 ; 0.011 REMARK 3 BOND LENGTHS OTHERS (A): 280 ; 0.002 ; 0.019 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1033 ; 1.265 ; 1.840 REMARK 3 BOND ANGLES OTHERS (DEGREES): 684 ; 0.383 ; 1.657 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): 141 ; 0.056 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 333 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 106 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 82 ; 0.108 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 22 ; 0.236 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 250 ; 0.248 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 26 ; 0.169 ; 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 669 ; 4.442 ; 6.076 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 669 ; 4.442 ; 6.076 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1033 ; 6.846 ;11.056 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1034 ; 6.842 ;11.051 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 : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 5 REMARK 3 ORIGIN FOR THE GROUP (A): -3.2504 20.2703 7.4959 REMARK 3 T TENSOR REMARK 3 T11: 0.3286 T22: 0.1214 REMARK 3 T33: 0.3985 T12: -0.1203 REMARK 3 T13: -0.0403 T23: -0.0319 REMARK 3 L TENSOR REMARK 3 L11: 5.0293 L22: 13.9097 REMARK 3 L33: 10.8133 L12: -5.0486 REMARK 3 L13: 0.2602 L23: 9.3416 REMARK 3 S TENSOR REMARK 3 S11: 0.1350 S12: 0.4532 S13: 0.1837 REMARK 3 S21: -0.6285 S22: -0.5115 S23: 0.4924 REMARK 3 S31: -0.4586 S32: 0.0206 S33: 0.3765 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 1 B 9 REMARK 3 ORIGIN FOR THE GROUP (A): -4.6109 11.7662 11.4765 REMARK 3 T TENSOR REMARK 3 T11: 0.3593 T22: 0.2075 REMARK 3 T33: 0.2191 T12: -0.2088 REMARK 3 T13: -0.0916 T23: 0.0570 REMARK 3 L TENSOR REMARK 3 L11: 6.6558 L22: 6.0915 REMARK 3 L33: 6.6140 L12: 4.8549 REMARK 3 L13: 0.7395 L23: 4.4885 REMARK 3 S TENSOR REMARK 3 S11: -0.2078 S12: 0.3683 S13: 0.6554 REMARK 3 S21: 0.2590 S22: 0.0132 S23: 0.5187 REMARK 3 S31: 0.3112 S32: -0.0399 S33: 0.1946 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : C 1 C 5 REMARK 3 ORIGIN FOR THE GROUP (A): -1.8055 -0.6874 14.7249 REMARK 3 T TENSOR REMARK 3 T11: 0.2750 T22: 0.1122 REMARK 3 T33: 0.1471 T12: -0.0179 REMARK 3 T13: 0.0338 T23: -0.0250 REMARK 3 L TENSOR REMARK 3 L11: 7.9409 L22: 5.3290 REMARK 3 L33: 8.1383 L12: 5.9280 REMARK 3 L13: -3.1138 L23: -4.7020 REMARK 3 S TENSOR REMARK 3 S11: 0.0999 S12: -0.1758 S13: -0.1091 REMARK 3 S21: -0.1838 S22: -0.1233 S23: -0.0402 REMARK 3 S31: 0.4711 S32: 0.2931 S33: 0.0234 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : D 1 D 10 REMARK 3 ORIGIN FOR THE GROUP (A): 0.1424 9.6943 11.2273 REMARK 3 T TENSOR REMARK 3 T11: 0.4034 T22: 0.2005 REMARK 3 T33: 0.1578 T12: -0.1898 REMARK 3 T13: -0.0066 T23: -0.0672 REMARK 3 L TENSOR REMARK 3 L11: 1.7398 L22: 1.5333 REMARK 3 L33: 3.4224 L12: -0.0956 REMARK 3 L13: -1.7348 L23: -1.5092 REMARK 3 S TENSOR REMARK 3 S11: 0.2106 S12: -0.1550 S13: -0.1541 REMARK 3 S21: -0.0389 S22: -0.2300 S23: 0.1099 REMARK 3 S31: -0.1749 S32: 0.3461 S33: 0.0194 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.50 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 THEIR REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 9TCG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-NOV-25. REMARK 100 THE DEPOSITION ID IS D_1292152337. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-DEC-23 REMARK 200 TEMPERATURE (KELVIN) : 80 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.916 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : XDS 0.8.2 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 3624 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 46.890 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 33.20 REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 9.02 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 46.89 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 19.50 REMARK 200 R MERGE FOR SHELL (I) : 0.03500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 70.30 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: PHENIX 0.7.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: FUSION (MOLECULAR DIMENSIONS LTD) WAS REMARK 280 USED FOR SCREENING CRYSTALLIZATION CONDITIONS BY THE SITTING REMARK 280 DROP VAPOR DIFFUSION METHOD (GORREC & BELLINI, 2022). SOLUTIONS REMARK 280 CONTAINING THE RNA SAMPLES (1 MM) IN 100 MM HEPES BUFFER PH 8 REMARK 280 AND 10 MM MGCL2 WERE HEATED AT 65 DEGREES C FOR 2 MINUTES, THEN REMARK 280 COOLED SLOWLY TO ROOM TEMPERATURE. THE RNA SOLUTIONS WERE MIXED REMARK 280 WITH FUSION SOLUTION IN A 1:1 RATIO FOR CRYSTALLIZATION., VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 292K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 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+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 187.55533 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 93.77767 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 140.66650 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 46.88883 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 234.44417 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 187.55533 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 93.77767 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 46.88883 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 140.66650 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 234.44417 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5130 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -13.0 KCAL/MOL 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 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 A B 10 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 H22 G C 4 O2 C D 2 1.58 REMARK 500 REMARK 500 REMARK: NULL DBREF 9TCG A 1 5 PDB 9TCG 9TCG 1 5 DBREF 9TCG B 1 10 PDB 9TCG 9TCG 1 10 DBREF 9TCG C 1 5 PDB 9TCG 9TCG 1 5 DBREF 9TCG D 1 10 PDB 9TCG 9TCG 1 10 SEQRES 1 A 5 A G C G A SEQRES 1 B 10 U C G C U U 5BU C C A SEQRES 1 C 5 A G C G A SEQRES 1 D 10 U C G C U U 5BU C C A HET 5BU B 7 29 HET 5BU D 7 29 HETNAM 5BU 5-BROMO-URIDINE-5'-MONOPHOSPHATE FORMUL 2 5BU 2(C9 H12 BR N2 O9 P) LINK O3' U B 6 P 5BU B 7 1555 1555 1.61 LINK O3' 5BU B 7 P C B 8 1555 1555 1.61 LINK O3' U D 6 P 5BU D 7 1555 1555 1.61 LINK O3' 5BU D 7 P C D 8 1555 1555 1.61 CRYST1 32.007 32.007 281.333 90.00 90.00 120.00 P 65 2 2 24 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 0.031243 0.018038 0.000000 0.00000 SCALE2 0.000000 0.036077 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003555 0.00000 CONECT 318 339 CONECT 339 318 340 341 342 CONECT 340 339 CONECT 341 339 CONECT 342 339 343 CONECT 343 342 344 360 361 CONECT 344 343 345 346 362 CONECT 345 344 350 CONECT 346 344 347 348 363 CONECT 347 346 368 CONECT 348 346 349 350 364 CONECT 349 348 CONECT 350 345 348 351 365 CONECT 351 350 352 358 CONECT 352 351 353 354 CONECT 353 352 CONECT 354 352 355 366 CONECT 355 354 356 357 CONECT 356 355 CONECT 357 355 358 359 CONECT 358 351 357 367 CONECT 359 357 CONECT 360 343 CONECT 361 343 CONECT 362 344 CONECT 363 346 CONECT 364 348 CONECT 365 350 CONECT 366 354 CONECT 367 358 CONECT 368 347 CONECT 746 767 CONECT 767 746 768 769 770 CONECT 768 767 CONECT 769 767 CONECT 770 767 771 CONECT 771 770 772 788 789 CONECT 772 771 773 774 790 CONECT 773 772 778 CONECT 774 772 775 776 791 CONECT 775 774 796 CONECT 776 774 777 778 792 CONECT 777 776 CONECT 778 773 776 779 793 CONECT 779 778 780 786 CONECT 780 779 781 782 CONECT 781 780 CONECT 782 780 783 794 CONECT 783 782 784 785 CONECT 784 783 CONECT 785 783 786 787 CONECT 786 779 785 795 CONECT 787 785 CONECT 788 771 CONECT 789 771 CONECT 790 772 CONECT 791 774 CONECT 792 776 CONECT 793 778 CONECT 794 782 CONECT 795 786 CONECT 796 775 MASTER 366 0 2 0 0 0 0 6 604 4 62 4 END