1RPU - Header Asymmetric Unit

HEADER RNA BINDING PROTEIN/RNA 03-DEC-03 1RPU

TITLE CRYSTAL STRUCTURE OF CIRV P19 BOUND TO SIRNA

COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'- COMPND 3 R(P*CP*GP*UP*AP*CP*GP*CP*GP*UP*CP*AP*CP*GP*CP*GP*UP*AP*CP*G COMPND 4 P*UP*U)-3'; COMPND 5 CHAIN: C, D; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: 19 KDA PROTEIN; COMPND 9 CHAIN: A, B; COMPND 10 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SYNTHESIZED BY DHARMACON; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: CARNATION ITALIAN RINGSPOT VIRUS; SOURCE 6 ORGANISM_TAXID: 39443; SOURCE 7 GENE: P19; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PGEX2T

KEYWDS RNAI, PROTEIN-RNA COMPLEX, RNA DOUBLE HELIX, RNA LENGTH KEYWDS 2 RECOGNITION, RNA BINDING PROTEIN/RNA COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR J.M.VARGASON,G.SZITTYA,J.BURGYAN,T.M.T.HALL

REVDAT 2 24-FEB-09 1RPU 1 VERSN REVDAT 1 13-JAN-04 1RPU 0

JRNL AUTH J.M.VARGASON,G.SZITTYA,J.BURGYAN,T.M.T.HALL JRNL TITL SIZE SELECTIVE RECOGNITION OF SIRNA BY AN RNA JRNL TITL 2 SILENCING SUPPRESSOR JRNL REF CELL(CAMBRIDGE,MASS.) V. 115 799 2003 JRNL REFN ISSN 0092-8674 JRNL PMID 14697199 JRNL DOI 10.1016/S0092-8674(03)00984-X

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 17767 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 SET) : 0.224 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 862 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2164 REMARK 3 NUCLEIC ACID ATOMS : 1780 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 111 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.18 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1RPU COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-DEC-03. REMARK 100 THE RCSB ID CODE IS RCSB020934.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-APR-03 REMARK 200 TEMPERATURE (KELVIN) : 93.0 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID 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 : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17767 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08700 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) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.38100 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG MME 2000, AMMONIUM SULFATE, REMARK 280 SODIUM ACETATE, PH 4.6, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 42.73333 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 85.46667 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 64.10000 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 106.83333 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 21.36667 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 42.73333 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 85.46667 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 106.83333 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 64.10000 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 21.36667 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 APPLY THE FOLLOWING TO CHAINS: C, D, 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 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 MET A 1 REMARK 465 GLU A 2 REMARK 465 ARG A 3 REMARK 465 ALA A 4 REMARK 465 ILE A 5 REMARK 465 GLN A 6 REMARK 465 GLY A 7 REMARK 465 THR A 49 REMARK 465 ASN A 50 REMARK 465 SER A 51 REMARK 465 ASN A 52 REMARK 465 GLN A 53 REMARK 465 ASP A 54 REMARK 465 GLU A 153 REMARK 465 SER A 154 REMARK 465 ASN A 155 REMARK 465 VAL A 156 REMARK 465 SER A 157 REMARK 465 ARG A 158 REMARK 465 GLY A 159 REMARK 465 CYS A 160 REMARK 465 PRO A 161 REMARK 465 GLU A 162 REMARK 465 GLY A 163 REMARK 465 ILE A 164 REMARK 465 GLU A 165 REMARK 465 THR A 166 REMARK 465 PHE A 167 REMARK 465 LYS A 168 REMARK 465 LYS A 169 REMARK 465 GLU A 170 REMARK 465 SER A 171 REMARK 465 GLU A 172 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 ARG B 3 REMARK 465 ALA B 4 REMARK 465 ILE B 5 REMARK 465 GLN B 6 REMARK 465 GLY B 7 REMARK 465 THR B 49 REMARK 465 ASN B 50 REMARK 465 SER B 51 REMARK 465 ASN B 52 REMARK 465 GLN B 53 REMARK 465 ASP B 54 REMARK 465 VAL B 150 REMARK 465 GLU B 151 REMARK 465 VAL B 152 REMARK 465 GLU B 153 REMARK 465 SER B 154 REMARK 465 ASN B 155 REMARK 465 VAL B 156 REMARK 465 SER B 157 REMARK 465 ARG B 158 REMARK 465 GLY B 159 REMARK 465 CYS B 160 REMARK 465 PRO B 161 REMARK 465 GLU B 162 REMARK 465 GLY B 163 REMARK 465 ILE B 164 REMARK 465 GLU B 165 REMARK 465 THR B 166 REMARK 465 PHE B 167 REMARK 465 LYS B 168 REMARK 465 LYS B 169 REMARK 465 GLU B 170 REMARK 465 SER B 171 REMARK 465 GLU B 172

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 ASN A 8 N CA CB CG OD1 ND2 REMARK 470 ARG A 128 CG CD NE CZ NH1 NH2 REMARK 470 ASN B 8 N CB CG OD1 ND2 REMARK 470 ARG B 101 NE CZ NH1 NH2 REMARK 470 ARG B 128 CG CD NE CZ NH1 NH2

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 C C 1 P C C 1 OP3 -0.089 REMARK 500 C C 1 P C C 1 OP3 -0.086 REMARK 500 C D 1 P C D 1 OP3 -0.088 REMARK 500 C D 1 P C D 1 OP3 -0.085 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 SER A 23 -177.68 -57.33 REMARK 500 TRP A 42 -73.06 -67.71 REMARK 500 ASP A 47 -21.27 -145.58 REMARK 500 THR A 148 117.37 -8.84 REMARK 500 PRO A 149 142.75 -38.73 REMARK 500 SER B 23 141.08 62.02 REMARK 500 GLU B 35 27.22 -143.92 REMARK 500 ASN B 46 34.41 -78.09 REMARK 500 ASP B 47 -13.16 -143.35 REMARK 500 ARG B 78 36.43 82.78 REMARK 500 SER B 89 -19.98 -48.52 REMARK 500 ARG B 101 8.41 -66.13 REMARK 500 PHE B 102 -9.60 -144.50 REMARK 500 LEU B 103 -58.61 -26.43 REMARK 500 ALA B 105 -16.93 64.15 REMARK 500 SER B 127 -35.72 -39.08 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 U C 9 0.08 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL

DBREF 1RPU A 1 172 UNP Q66104 VP19_CIRV 1 172 DBREF 1RPU B 1 172 UNP Q66104 VP19_CIRV 1 172 DBREF 1RPU C 1 21 PDB 1RPU 1RPU 1 21 DBREF 1RPU D 1 21 PDB 1RPU 1RPU 1 21

SEQRES 1 C 21 C G U A C G C G U C A C G SEQRES 2 C 21 C G U A C G U U SEQRES 1 D 21 C G U A C G C G U C A C G SEQRES 2 D 21 C G U A C G U U SEQRES 1 A 172 MET GLU ARG ALA ILE GLN GLY ASN ASP THR ARG GLU GLN SEQRES 2 A 172 ALA ASN GLY GLU ARG TRP ASP GLY GLY SER GLY GLY ILE SEQRES 3 A 172 THR SER PRO PHE LYS LEU PRO ASP GLU SER PRO SER TRP SEQRES 4 A 172 THR GLU TRP ARG LEU TYR ASN ASP GLU THR ASN SER ASN SEQRES 5 A 172 GLN ASP ASN PRO LEU GLY PHE LYS GLU SER TRP GLY PHE SEQRES 6 A 172 GLY LYS VAL VAL PHE LYS ARG TYR LEU ARG TYR ASP ARG SEQRES 7 A 172 THR GLU ALA SER LEU HIS ARG VAL LEU GLY SER TRP THR SEQRES 8 A 172 GLY ASP SER VAL ASN TYR ALA ALA SER ARG PHE LEU GLY SEQRES 9 A 172 ALA ASN GLN VAL GLY CYS THR TYR SER ILE ARG PHE ARG SEQRES 10 A 172 GLY VAL SER VAL THR ILE SER GLY GLY SER ARG THR LEU SEQRES 11 A 172 GLN HIS LEU CYS GLU MET ALA ILE ARG SER LYS GLN GLU SEQRES 12 A 172 LEU LEU GLN LEU THR PRO VAL GLU VAL GLU SER ASN VAL SEQRES 13 A 172 SER ARG GLY CYS PRO GLU GLY ILE GLU THR PHE LYS LYS SEQRES 14 A 172 GLU SER GLU SEQRES 1 B 172 MET GLU ARG ALA ILE GLN GLY ASN ASP THR ARG GLU GLN SEQRES 2 B 172 ALA ASN GLY GLU ARG TRP ASP GLY GLY SER GLY GLY ILE SEQRES 3 B 172 THR SER PRO PHE LYS LEU PRO ASP GLU SER PRO SER TRP SEQRES 4 B 172 THR GLU TRP ARG LEU TYR ASN ASP GLU THR ASN SER ASN SEQRES 5 B 172 GLN ASP ASN PRO LEU GLY PHE LYS GLU SER TRP GLY PHE SEQRES 6 B 172 GLY LYS VAL VAL PHE LYS ARG TYR LEU ARG TYR ASP ARG SEQRES 7 B 172 THR GLU ALA SER LEU HIS ARG VAL LEU GLY SER TRP THR SEQRES 8 B 172 GLY ASP SER VAL ASN TYR ALA ALA SER ARG PHE LEU GLY SEQRES 9 B 172 ALA ASN GLN VAL GLY CYS THR TYR SER ILE ARG PHE ARG SEQRES 10 B 172 GLY VAL SER VAL THR ILE SER GLY GLY SER ARG THR LEU SEQRES 11 B 172 GLN HIS LEU CYS GLU MET ALA ILE ARG SER LYS GLN GLU SEQRES 12 B 172 LEU LEU GLN LEU THR PRO VAL GLU VAL GLU SER ASN VAL SEQRES 13 B 172 SER ARG GLY CYS PRO GLU GLY ILE GLU THR PHE LYS LYS SEQRES 14 B 172 GLU SER GLU

FORMUL 5 HOH *111(H2 O)

HELIX 1 1 ASP A 9 ARG A 18 1 10 HELIX 2 2 SER A 38 ASN A 46 1 9 HELIX 3 3 THR A 79 LEU A 87 1 9 HELIX 4 4 GLY A 88 TRP A 90 5 3 HELIX 5 5 THR A 91 ARG A 101 1 11 HELIX 6 6 THR A 129 GLN A 146 1 18 HELIX 7 7 ASN B 8 ARG B 18 1 11 HELIX 8 8 SER B 38 ASN B 46 1 9 HELIX 9 9 THR B 79 LEU B 87 1 9 HELIX 10 10 THR B 91 ARG B 101 1 11 HELIX 11 11 THR B 129 LEU B 145 1 17

SHEET 1 A 8 VAL A 68 ARG A 75 0 SHEET 2 A 8 GLY A 58 PHE A 65 -1 N TRP A 63 O PHE A 70 SHEET 3 A 8 GLY A 109 PHE A 116 -1 O THR A 111 N GLY A 64 SHEET 4 A 8 VAL A 119 GLY A 126 -1 O ILE A 123 N TYR A 112 SHEET 5 A 8 VAL B 119 GLY B 126 -1 O SER B 120 N SER A 124 SHEET 6 A 8 GLY B 109 PHE B 116 -1 N TYR B 112 O ILE B 123 SHEET 7 A 8 GLY B 58 PHE B 65 -1 N GLY B 64 O THR B 111 SHEET 8 A 8 VAL B 68 ARG B 75 -1 O PHE B 70 N TRP B 63

CRYST1 115.400 115.400 128.200 90.00 90.00 120.00 P 61 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 0.008666 0.005003 0.000000 0.00000

SCALE2 0.000000 0.010006 0.000000 0.00000

SCALE3 0.000000 0.000000 0.007800 0.00000