HEADER RNA/CYCLOHEXENE-RNA HYBRID 12-NOV-09 3KNC TITLE CRYSTAL STRUCTURE OF THE CENA-RNA HYBRID OCTAMER CE(GCGTAGCG) TITLE 2 :R(CGCUACGC) COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*(XGR)P*(XCR)P*(XGR)P*(XTR)P*(XAR)P*(XGR)P*(XCR) COMPND 3 P*(XGR)P*(XGR))-3'; COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: CENA; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: 5'-R(*CP*GP*CP*UP*AP*CP*GP*C)-3'; COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES; COMPND 11 OTHER_DETAILS: RNA SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE CENA STRAND WAS SYNTHESIZED.; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 OTHER_DETAILS: THE RNA STRAND WAS SYNTHESIZED. KEYWDS CYCLOHEXENE, SUGAR MODIFICATION, RNA, RNA-CYCLOHEXENE-RNA HYBRID KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.OVAERE,L.VAN MEERVELT REVDAT 7 21-FEB-24 3KNC 1 REMARK REVDAT 6 13-OCT-21 3KNC 1 REMARK DBREF SEQADV LINK REVDAT 5 01-NOV-17 3KNC 1 REMARK REVDAT 4 01-FEB-12 3KNC 1 SEQADV VERSN REVDAT 3 13-JUL-11 3KNC 1 JRNL REVDAT 2 29-JUN-11 3KNC 1 JRNL REVDAT 1 08-DEC-10 3KNC 0 JRNL AUTH M.OVAERE,P.HERDEWIJN,L.VAN MEERVELT JRNL TITL THE CRYSTAL STRUCTURE OF THE CENA:RNA HYBRID JRNL TITL 2 CE(GCGTAGCG):R(CGCUACGC). JRNL REF CHEMISTRY V. 17 7823 2011 JRNL REFN ISSN 0947-6539 JRNL PMID 21618623 JRNL DOI 10.1002/CHEM.201003594 REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 2574 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) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.400 REMARK 3 FREE R VALUE TEST SET COUNT : 114 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) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.57 REMARK 3 REFLECTION IN BIN (WORKING SET) : 169 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.27 REMARK 3 BIN R VALUE (WORKING SET) : 0.3790 REMARK 3 BIN FREE R VALUE SET COUNT : 9 REMARK 3 BIN FREE R VALUE : 0.7330 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 341 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 47 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 61.05 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.49000 REMARK 3 B22 (A**2) : 4.49000 REMARK 3 B33 (A**2) : -6.73000 REMARK 3 B12 (A**2) : 2.24000 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): 0.310 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.237 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.190 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.838 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.970 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.958 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 396 ; 0.018 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 617 ; 2.247 ; 2.972 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): 63 ; 0.120 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 199 ; 0.010 ; 0.017 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): 1 ; 0.108 ; 1.500 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): 392 ; 2.812 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 605 ; 4.317 ; 4.500 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 : BABINET MODEL WITH 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: THE FRIEDEL PAIRS WERE USED IN PHASING REMARK 4 REMARK 4 3KNC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-NOV-09. REMARK 100 THE DEPOSITION ID IS D_1000056206. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-SEP-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06DA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.9 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 2575 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 36.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : 9.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04800 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 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: PHASER 2.1.4 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: THE STRUCTURE FACTOR FILE CONTAINS FRIEDEL PAIRS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.82 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M MAGNESIUM FORMATE, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-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 45.62933 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 22.81467 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 22.81467 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 45.62933 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: BIOLOGICAL UNIT IS THE SAME AS ASYMMETRIC UNIT 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1280 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11444 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.1 KCAL/MOL 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 MG MG A 200 LIES ON A SPECIAL POSITION. 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 XGR A 9 N1 C2 N2 N3 C4 C5 C6 REMARK 470 XGR A 9 O6 N7 C8 N9 C1' C2' C3' REMARK 470 XGR A 9 O3' C4' C5' C6' C7' 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 U B 4 C5' U B 4 C4' -0.043 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 100 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 101 O REMARK 620 2 HOH A 102 O 176.6 REMARK 620 3 HOH A 103 O 92.0 86.0 REMARK 620 4 HOH A 104 O 92.6 90.0 90.3 REMARK 620 5 HOH A 105 O 90.9 86.5 90.9 176.2 REMARK 620 6 HOH A 106 O 86.1 96.1 177.4 88.1 90.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 200 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 201 O REMARK 620 2 HOH A 202 O 179.4 REMARK 620 3 HOH A 203 O 89.5 90.0 REMARK 620 4 HOH A 204 O 90.8 88.8 88.5 REMARK 620 5 HOH A 205 O 89.1 91.3 92.6 178.9 REMARK 620 6 HOH A 206 O 93.2 87.2 176.4 89.0 89.9 REMARK 620 N 1 2 3 4 5 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 100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 200 DBREF 3KNC A 1 9 PDB 3KNC 3KNC 1 9 DBREF 3KNC B 1 8 PDB 3KNC 3KNC 1 8 SEQADV 3KNC XGR A 1 PDB 3KNC C 2 ENGINEERED MUTATION SEQADV 3KNC XCR A 2 PDB 3KNC G 3 ENGINEERED MUTATION SEQADV 3KNC XGR A 3 PDB 3KNC DT 4 ENGINEERED MUTATION SEQADV 3KNC XTR A 4 PDB 3KNC A 5 ENGINEERED MUTATION SEQADV 3KNC XAR A 5 PDB 3KNC G 6 ENGINEERED MUTATION SEQADV 3KNC XGR A 6 PDB 3KNC C 7 ENGINEERED MUTATION SEQADV 3KNC XCR A 7 PDB 3KNC G 8 ENGINEERED MUTATION SEQADV 3KNC XGR A 8 PDB 3KNC G 9 ENGINEERED MUTATION SEQADV 3KNC XGR A 9 PDB 3KNC G 10 ENGINEERED MUTATION SEQRES 1 A 9 XGR XCR XGR XTR XAR XGR XCR XGR XGR SEQRES 1 B 8 C G C U A C G C MODRES 3KNC XGR A 1 DG MODRES 3KNC XCR A 2 DC MODRES 3KNC XGR A 3 DG MODRES 3KNC XTR A 4 DT MODRES 3KNC XGR A 6 DG MODRES 3KNC XCR A 7 DC MODRES 3KNC XGR A 8 DG MODRES 3KNC XGR A 9 DG HET XGR A 1 20 HET XCR A 2 20 HET XGR A 3 23 HET XTR A 4 21 HET XAR A 5 22 HET XGR A 6 23 HET XCR A 7 20 HET XGR A 8 23 HET XGR A 9 4 HET MG A 100 1 HET MG A 200 1 HETNAM XGR [(1R,4S,6S)-4-(2-AMINO-6-OXO-1,6-DIHYDRO-9H-PURIN-9- HETNAM 2 XGR YL)-6-HYDROXYCYCLOHEX-2-EN-1-YL]METHYL DIHYDROGEN HETNAM 3 XGR PHOSPHATE HETNAM XCR [(1R,4S,6S)-4-(4-AMINO-2-OXOPYRIMIDIN-1(2H)-YL)-6- HETNAM 2 XCR HYDROXYCYCLOHEX-2-EN-1-YL]METHYL DIHYDROGEN PHOSPHATE HETNAM XTR [(1R,4S,6S)-6-HYDROXY-4-(5-METHYL-2,4-DIOXO-3,4- HETNAM 2 XTR DIHYDROPYRIMIDIN-1(2H)-YL)CYCLOHEX-2-EN-1-YL]METHYL HETNAM 3 XTR DIHYDROGEN PHOSPHATE HETNAM XAR [(1R,4S,6S)-4-(6-AMINO-9H-PURIN-9-YL)-6- HETNAM 2 XAR HYDROXYCYCLOHEX-2-EN-1-YL]METHYL DIHYDROGEN PHOSPHATE HETNAM MG MAGNESIUM ION FORMUL 1 XGR 5(C12 H16 N5 O6 P) FORMUL 1 XCR 2(C11 H16 N3 O6 P) FORMUL 1 XTR C12 H17 N2 O7 P FORMUL 1 XAR C12 H16 N5 O5 P FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *47(H2 O) LINK O3' XTR A 4 P XAR A 5 1555 1555 1.57 LINK MG MG A 100 O HOH A 101 1555 1555 2.14 LINK MG MG A 100 O HOH A 102 1555 1555 2.13 LINK MG MG A 100 O HOH A 103 1555 1555 2.13 LINK MG MG A 100 O HOH A 104 1555 1555 2.15 LINK MG MG A 100 O HOH A 105 1555 1555 2.14 LINK MG MG A 100 O HOH A 106 1555 1555 2.14 LINK MG MG A 200 O HOH A 201 1555 1555 2.16 LINK MG MG A 200 O HOH A 202 1555 1555 2.17 LINK MG MG A 200 O HOH A 203 1555 1555 2.18 LINK MG MG A 200 O HOH A 204 1555 1555 2.16 LINK MG MG A 200 O HOH A 205 1555 1555 2.16 LINK MG MG A 200 O HOH A 206 1555 1555 2.16 SITE 1 AC1 6 HOH A 101 HOH A 102 HOH A 103 HOH A 104 SITE 2 AC1 6 HOH A 105 HOH A 106 SITE 1 AC2 6 HOH A 201 HOH A 202 HOH A 203 HOH A 204 SITE 2 AC2 6 HOH A 205 HOH A 206 CRYST1 41.919 41.919 68.444 90.00 90.00 120.00 P 32 2 1 6 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 0.023856 0.013773 0.000000 0.00000 SCALE2 0.000000 0.027546 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014610 0.00000