2NOK - Header Asymmetric Unit

HEADER RNA 25-OCT-06 2NOK

TITLE CRYSTAL STRUCTURE OF AN RNA DOMAIN FROM HEPATITIS C VIRUS.

COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'- COMPND 3 R(*CP*GP*GP*AP*GP*GP*AP*AP*CP*UP*AP*CP*UP*GP*UP*CP*UP*UP*CP COMPND 4 *AP*CP*GP*CP*C)-3'; COMPND 5 CHAIN: A, C; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: 5'- COMPND 9 R(*GP*CP*GP*UP*GP*UP*CP*GP*UP*GP*CP*AP*GP*CP*CP*UP*CP*CP*GP COMPND 10 *G)-3'; COMPND 11 CHAIN: B, D; COMPND 12 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE SEQUENCE OF THIS RNA NATURALLY EXISTS SOURCE 4 IN HEPATITIS C VIRUS.; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 OTHER_DETAILS: THE SEQUENCE OF THIS RNA NATURALLY EXISTS SOURCE 8 IN HEPATITIS C VIRUS.

KEYWDS MG BINDING SITE, BENT RNA

EXPDTA X-RAY DIFFRACTION

AUTHOR S.M.DIBROV,H.JOHNSTON-COS,Y.H.WENG

REVDAT 2 24-FEB-09 2NOK 1 VERSN REVDAT 1 13-FEB-07 2NOK 0

JRNL AUTH S.M.DIBROV,H.JOHNSTON-COX,Y.H.WENG,T.HERMANN JRNL TITL FUNCTIONAL ARCHITECTURE OF HCV IRES DOMAIN II JRNL TITL 2 STABILIZED BY DIVALENT METAL IONS IN THE CRYSTAL JRNL TITL 3 AND IN SOLUTION. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 46 226 2007 JRNL REFN ISSN 1433-7851 JRNL PMID 17131443 JRNL DOI 10.1002/ANIE.200603807

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 94.8 REMARK 3 NUMBER OF REFLECTIONS : 7156 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) : 0.259 REMARK 3 R VALUE (WORKING SET) : 0.257 REMARK 3 FREE R VALUE : 0.302 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 347 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) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.08 REMARK 3 REFLECTION IN BIN (WORKING SET) : 361 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 67.02 REMARK 3 BIN R VALUE (WORKING SET) : 0.3150 REMARK 3 BIN FREE R VALUE SET COUNT : 21 REMARK 3 BIN FREE R VALUE : 0.4980 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 1856 REMARK 3 HETEROGEN ATOMS : 13 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) : 79.33 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.35000 REMARK 3 B22 (A**2) : 4.21000 REMARK 3 B33 (A**2) : -9.56000 REMARK 3 B12 (A**2) : 0.00000 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): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.479 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.383 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 20.339 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.924 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.888 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2068 ; 0.021 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3216 ; 2.833 ; 3.000 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): 436 ; 0.138 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 900 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 915 ; 0.238 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1279 ; 0.298 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 68 ; 0.205 ; 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): 36 ; 0.231 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 3 ; 0.347 ; 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 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2915 ; 1.265 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 3216 ; 2.138 ; 4.500 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 REMARK 3 RIDING POSITIONS

REMARK 4 REMARK 4 2NOK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-NOV-06. REMARK 100 THE RCSB ID CODE IS RCSB040114.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7158 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL 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) : 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 <I/SIGMA(I)> 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 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.13 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20MM MGSO4, 100MM KCL, 30MM MNCL2, REMARK 280 2-6% MPD OVER 40MM MGSO4, 200MM KCL AND 40-50% MPD., PH 6.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 31.04900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 46.20000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.67550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 46.20000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.04900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.67550 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 300 REMARK: BIOLOGICAL MOLECULE CONSISTS OF CHAINS A AND B, AS WELL REMARK 300 AS C AND D.

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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 A A 50 O4' A A 50 C4' 0.070 REMARK 500 A A 50 N3 A A 50 C4 0.039 REMARK 500 G A 51 C5' G A 51 C4' 0.098 REMARK 500 G A 51 O4' G A 51 C1' 0.087 REMARK 500 G A 51 O3' G A 51 C3' 0.082 REMARK 500 G A 51 C2' G A 51 O2' 0.072 REMARK 500 U A 59 C4 U A 59 O4 -0.076 REMARK 500 U A 59 N3 U A 59 C4 0.064 REMARK 500 U A 59 C4 U A 59 C5 0.106 REMARK 500 U A 59 O3' G A 60 P 0.098 REMARK 500 A B 109 P A B 109 O5' -0.062 REMARK 500 A B 109 C5' A B 109 C4' 0.143 REMARK 500 A B 109 C4' A B 109 C3' -0.143 REMARK 500 A B 109 O4' A B 109 C4' 0.265 REMARK 500 A B 109 C4 A B 109 C5 -0.064 REMARK 500 A B 109 C6 A B 109 N1 0.104 REMARK 500 A B 109 C5 A B 109 N7 0.078 REMARK 500 A B 109 C8 A B 109 N9 0.050 REMARK 500 A B 109 C6 A B 109 N6 -0.050 REMARK 500 G B 110 O3' G B 110 C3' 0.087 REMARK 500 G B 110 N1 G B 110 C2 -0.090 REMARK 500 G B 110 N9 G B 110 C4 0.082 REMARK 500 C B 112 C5' C B 112 C4' 0.217 REMARK 500 C B 112 C4' C B 112 C3' 0.120 REMARK 500 C B 112 C3' C B 112 C2' 0.076 REMARK 500 C B 112 C2' C B 112 C1' 0.067 REMARK 500 C B 112 O3' C B 112 C3' 0.127 REMARK 500 C B 112 N1 C B 112 C6 -0.052 REMARK 500 C B 112 N3 C B 112 C4 -0.075 REMARK 500 U B 113 C2 U B 113 O2 0.087 REMARK 500 U B 113 C2 U B 113 N3 0.044 REMARK 500 A D 109 O4' A D 109 C4' 0.131 REMARK 500 A D 109 C5 A D 109 N7 0.104 REMARK 500 A D 109 N7 A D 109 C8 0.045 REMARK 500 G D 110 C2 G D 110 N3 0.065 REMARK 500 G D 110 C5 G D 110 N7 -0.044 REMARK 500 C D 114 C1' C D 114 N1 0.114 REMARK 500 C D 114 C2 C D 114 O2 0.088 REMARK 500 C D 114 N1 C D 114 C6 0.040 REMARK 500 C D 114 N3 C D 114 C4 0.050 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 G A 48 C3' - O3' - P ANGL. DEV. = -9.5 DEGREES REMARK 500 A A 50 C4' - C3' - C2' ANGL. DEV. = -7.3 DEGREES REMARK 500 A A 50 N9 - C1' - C2' ANGL. DEV. = 11.2 DEGREES REMARK 500 A A 50 C2 - N3 - C4 ANGL. DEV. = -5.0 DEGREES REMARK 500 A A 50 C5 - C6 - N1 ANGL. DEV. = -3.6 DEGREES REMARK 500 A A 50 C4 - C5 - N7 ANGL. DEV. = -3.3 DEGREES REMARK 500 A A 50 C5 - N7 - C8 ANGL. DEV. = 3.2 DEGREES REMARK 500 G A 51 C5' - C4' - O4' ANGL. DEV. = 9.1 DEGREES REMARK 500 G A 51 C1' - O4' - C4' ANGL. DEV. = -4.3 DEGREES REMARK 500 G A 51 C2 - N3 - C4 ANGL. DEV. = 4.6 DEGREES REMARK 500 G A 51 C5 - N7 - C8 ANGL. DEV. = 4.1 DEGREES REMARK 500 G A 51 N7 - C8 - N9 ANGL. DEV. = -4.1 DEGREES REMARK 500 G A 51 C8 - N9 - C4 ANGL. DEV. = 3.0 DEGREES REMARK 500 G A 51 N3 - C4 - N9 ANGL. DEV. = 5.2 DEGREES REMARK 500 G A 51 N1 - C6 - O6 ANGL. DEV. = 5.2 DEGREES REMARK 500 G A 51 C5 - C6 - O6 ANGL. DEV. = -5.5 DEGREES REMARK 500 G A 52 C5 - C6 - O6 ANGL. DEV. = -5.5 DEGREES REMARK 500 A A 54 O4' - C1' - N9 ANGL. DEV. = 4.5 DEGREES REMARK 500 U A 56 O4' - C1' - N1 ANGL. DEV. = 5.5 DEGREES REMARK 500 A A 57 C8 - N9 - C4 ANGL. DEV. = -2.6 DEGREES REMARK 500 C A 58 O5' - C5' - C4' ANGL. DEV. = -6.0 DEGREES REMARK 500 C A 58 C4' - C3' - C2' ANGL. DEV. = -8.0 DEGREES REMARK 500 C A 58 N1 - C2 - N3 ANGL. DEV. = 4.2 DEGREES REMARK 500 C A 58 C2 - N3 - C4 ANGL. DEV. = -6.6 DEGREES REMARK 500 C A 58 N3 - C4 - C5 ANGL. DEV. = 2.4 DEGREES REMARK 500 C A 58 C4 - C5 - C6 ANGL. DEV. = 4.1 DEGREES REMARK 500 C A 58 C5 - C6 - N1 ANGL. DEV. = -5.4 DEGREES REMARK 500 C A 58 N1 - C2 - O2 ANGL. DEV. = -4.5 DEGREES REMARK 500 C A 58 N3 - C4 - N4 ANGL. DEV. = -8.2 DEGREES REMARK 500 C A 58 C5 - C4 - N4 ANGL. DEV. = 5.7 DEGREES REMARK 500 U A 59 O5' - C5' - C4' ANGL. DEV. = -5.2 DEGREES REMARK 500 U A 59 O4' - C4' - C3' ANGL. DEV. = -11.2 DEGREES REMARK 500 U A 59 C5' - C4' - O4' ANGL. DEV. = 6.7 DEGREES REMARK 500 U A 59 C1' - O4' - C4' ANGL. DEV. = -5.2 DEGREES REMARK 500 U A 59 N1 - C1' - C2' ANGL. DEV. = 8.7 DEGREES REMARK 500 U A 59 N1 - C2 - N3 ANGL. DEV. = 12.9 DEGREES REMARK 500 U A 59 C2 - N3 - C4 ANGL. DEV. = -13.9 DEGREES REMARK 500 U A 59 N3 - C4 - C5 ANGL. DEV. = 8.2 DEGREES REMARK 500 U A 59 C4 - C5 - C6 ANGL. DEV. = -6.3 DEGREES REMARK 500 U A 59 N1 - C2 - O2 ANGL. DEV. = -7.1 DEGREES REMARK 500 U A 59 N3 - C2 - O2 ANGL. DEV. = -5.8 DEGREES REMARK 500 U A 59 N3 - C4 - O4 ANGL. DEV. = -8.5 DEGREES REMARK 500 U A 61 O4' - C4' - C3' ANGL. DEV. = -6.3 DEGREES REMARK 500 C A 62 C4' - C3' - C2' ANGL. DEV. = -6.1 DEGREES REMARK 500 U A 63 O4' - C1' - N1 ANGL. DEV. = 4.5 DEGREES REMARK 500 U A 64 O4' - C1' - N1 ANGL. DEV. = 5.5 DEGREES REMARK 500 C A 65 O4' - C1' - N1 ANGL. DEV. = 5.3 DEGREES REMARK 500 G A 68 O4' - C1' - N9 ANGL. DEV. = 4.3 DEGREES REMARK 500 C A 69 O5' - C5' - C4' ANGL. DEV. = -4.8 DEGREES REMARK 500 C A 70 O4' - C1' - N1 ANGL. DEV. = 4.4 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 150 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 B 129 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G B 98 O6 REMARK 620 2 G B 98 N7 74.5 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 130 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G B 117 O6 REMARK 620 2 G D 98 O6 73.1 REMARK 620 3 G D 98 N7 77.9 68.9 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN C 118 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 C C 55 OP1 REMARK 620 2 C A 55 OP1 82.5 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 D 121 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 122 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 124 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG D 125 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 129 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 130 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN C 118 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 119 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN C 120 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN C 123 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 128

DBREF 2NOK A 47 70 PDB 2NOK 2NOK 47 70 DBREF 2NOK B 98 117 PDB 2NOK 2NOK 98 117 DBREF 2NOK C 47 70 PDB 2NOK 2NOK 47 70 DBREF 2NOK D 98 117 PDB 2NOK 2NOK 98 117

SEQRES 1 A 24 C G G A G G A A C U A C U SEQRES 2 A 24 G U C U U C A C G C C SEQRES 1 B 20 G C G U G U C G U G C A G SEQRES 2 B 20 C C U C C G G SEQRES 1 C 24 C G G A G G A A C U A C U SEQRES 2 C 24 G U C U U C A C G C C SEQRES 1 D 20 G C G U G U C G U G C A G SEQRES 2 D 20 C C U C C G G

HET MG D 121 1 HET MG B 122 1 HET MG B 124 1 HET MG D 125 1 HET MG C 126 1 HET MG A 127 1 HET MG B 129 1 HET MG B 130 1 HET MN C 118 1 HET MN A 119 1 HET MN C 120 1 HET MN C 123 1 HET MN A 128 1

HETNAM MG MAGNESIUM ION HETNAM MN MANGANESE (II) ION

FORMUL 5 MG 8(MG 2+) FORMUL 13 MN 5(MN 2+)

LINK MN MN A 119 O2 C A 55 1555 1555 2.31 LINK MN MN A 128 N7 G A 52 1555 1555 2.31 LINK MG MG B 122 N7 G B 107 1555 1555 2.51 LINK MG MG B 129 O6 G B 98 1555 1555 2.67 LINK MG MG B 129 N7 G B 98 1555 1555 2.18 LINK MG MG B 130 O6 G B 117 1555 1555 2.95 LINK MN MN C 118 OP1 C C 55 1555 1555 2.02 LINK MN MN C 118 OP1 C A 55 1555 1555 2.22 LINK MN MN C 120 O2 C C 55 1555 1555 2.17 LINK MN MN C 123 N7 G C 52 1555 1555 2.32 LINK MG MG D 121 N7 G D 107 1555 1555 2.42 LINK MG MG B 130 O6 G D 98 1555 3444 3.04 LINK MG MG B 130 N7 G D 98 1555 3444 2.04

SITE 1 AC1 1 G D 107 SITE 1 AC2 2 G B 105 G B 107 SITE 1 AC3 1 C B 111 SITE 1 AC4 1 A A 57 SITE 1 AC5 2 G B 98 G D 117 SITE 1 AC6 2 G B 117 G D 98 SITE 1 AC7 2 C A 55 C C 55 SITE 1 AC8 1 C A 55 SITE 1 AC9 1 C C 55 SITE 1 BC1 1 G C 52 SITE 1 BC2 1 G A 52

CRYST1 62.098 65.351 92.400 90.00 90.00 90.00 P 21 21 21 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 0.016104 0.000000 0.000000 0.00000

SCALE2 0.000000 0.015302 0.000000 0.00000

SCALE3 0.000000 0.000000 0.010823 0.00000