HEADER VIRAL PROTEIN 13-OCT-05 2B9Z TITLE SOLUTION STRUCTURE OF FHV B2, A VIRAL SUPPRESSOR OF RNAI COMPND MOL_ID: 1; COMPND 2 MOLECULE: B2 PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: FLOCK HOUSE VIRUS; SOURCE 3 ORGANISM_TAXID: 12287; SOURCE 4 GENE: B2; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PETM-11 KEYWDS SYMMETRIC ANTIPARALLEL HOMODIMER, ALL ALPHA-HELICAL, VIRAL PROTEIN EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR A.LINGEL,B.SIMON,E.IZAURRALDE,M.SATTLER REVDAT 4 09-MAR-22 2B9Z 1 REMARK SEQADV REVDAT 3 24-FEB-09 2B9Z 1 VERSN REVDAT 2 27-DEC-05 2B9Z 1 JRNL REVDAT 1 29-NOV-05 2B9Z 0 JRNL AUTH A.LINGEL,B.SIMON,E.IZAURRALDE,M.SATTLER JRNL TITL THE STRUCTURE OF THE FLOCK HOUSE VIRUS B2 PROTEIN, A VIRAL JRNL TITL 2 SUPPRESSOR OF RNA INTERFERENCE, SHOWS A NOVEL MODE OF JRNL TITL 3 DOUBLE-STRANDED RNA RECOGNITION. JRNL REF EMBO REP. V. 6 1149 2005 JRNL REFN ISSN 1469-221X JRNL PMID 16270100 JRNL DOI 10.1038/SJ.EMBOR.7400583 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR 3.5, CNS 1.1 REMARK 3 AUTHORS : BRUNGER ET AL. (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE EXPERIMENTALLY DETERMINED DISTANCE, REMARK 3 DIHEDRAL AND DIPOLAR COUPLING RESTRAINTS WERE APPLIED IN A REMARK 3 SIMULATED ANNEALING PROTOCOL USING ARIA AND CNS. NON- REMARK 3 CRYSTALLOGRAPHIC SYMMETRY (NCS) RESTRAINTS WERE USED TO ENFORCE REMARK 3 THE DIMER SYMMETRY. THE FINAL ENSEMBLE OF NMR STRUCTURES WAS REMARK 3 REFINED IN A SHELL OF WATER MOLECULES. REMARK 4 REMARK 4 2B9Z COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000034860. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 295 REMARK 210 PH : 6.3 REMARK 210 IONIC STRENGTH : 50 MM NAPI, 50 MM NACL REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 0.2 - 1 MM 15N, 13C/15N OR REMARK 210 2H/13C/15N LABELLED B2 PROTEIN REMARK 210 IN 50 MM SODIUM PHOSPHATE PH 6.3, REMARK 210 50 MM SODIUM CHLORIDE, 1 MM DTT, REMARK 210 90% H2O / 10% D2O; 0.2 - 1 MM REMARK 210 13C/15N LABELLED B2 PROTEIN IN REMARK 210 50 MM SODIUM PHOSPHATE PH 6.3, REMARK 210 50 MM SODIUM CHLORIDE, 1 MM DTT, REMARK 210 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-SEPARATED_NOESY; 3D_13C REMARK 210 -SEPARATED_NOESY; HNHA REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ; 900 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE, NMRVIEW 5, TALOS, ARIA REMARK 210 1.2, CNS 1.1 REMARK 210 METHOD USED : MOLECULAR DYNAMICS, SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: DISTANCE RESTRAINTS WERE DERIVED FROM 15N- OR 13C-RESOLVED REMARK 210 3D NOESY. HN-N RESIDUAL DIPOLAR COUPLINGS WERE MEASURED USING A REMARK 210 SPIN-STATE-SELECTIVE 1H,15N CORRELATION EXPERIMENT IN DILUTE REMARK 210 LIQUID CRYSTALLINE MEDIUM. RESTRAINTS FOR THE BACKBONE ANGLES REMARK 210 PHI AND PSI WERE DERIVED FROM TALOS. STEREOSPECIFIC ASSIGNMENTS REMARK 210 OF LEU, VAL METHYL GROUPS WERE OBTAINED USING A 10% FRACTIONALLY REMARK 210 13C-LABELLED SAMPLE. REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 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 2 MET A 1 101.46 54.27 REMARK 500 2 MET B 1 90.15 48.48 REMARK 500 3 SER A 26 -75.51 -67.06 REMARK 500 3 TYR A 27 -1.99 56.42 REMARK 500 3 PRO A 31 161.99 -46.80 REMARK 500 3 TYR B 27 8.89 49.97 REMARK 500 3 PRO B 31 152.36 -45.54 REMARK 500 4 ALA A 0 75.25 59.62 REMARK 500 4 ALA B 0 68.55 60.71 REMARK 500 4 GLU B 61 32.71 -97.44 REMARK 500 5 GLU A 61 36.57 -97.94 REMARK 500 5 PRO B 31 155.30 -46.64 REMARK 500 6 TYR A 27 6.99 55.16 REMARK 500 6 PRO A 31 157.30 -46.37 REMARK 500 6 ALA B 0 76.91 58.74 REMARK 500 6 TYR B 27 3.06 55.98 REMARK 500 6 PRO B 31 162.18 -46.22 REMARK 500 7 PRO A 31 150.35 -45.95 REMARK 500 8 ASP B 29 46.96 -85.93 REMARK 500 10 TYR A 27 6.14 55.04 REMARK 500 10 PRO A 31 153.49 -46.41 REMARK 500 10 TYR B 27 9.44 53.72 REMARK 500 REMARK 500 REMARK: NULL DBREF 2B9Z A 1 72 UNP P68831 B2_FHV 1 72 DBREF 2B9Z B 1 72 UNP P68831 B2_FHV 1 72 SEQADV 2B9Z GLY A -1 UNP P68831 CLONING ARTIFACT SEQADV 2B9Z ALA A 0 UNP P68831 CLONING ARTIFACT SEQADV 2B9Z GLY A 53 UNP P68831 SER 53 SEE REMARK 999 SEQADV 2B9Z GLY B -1 UNP P68831 CLONING ARTIFACT SEQADV 2B9Z ALA B 0 UNP P68831 CLONING ARTIFACT SEQADV 2B9Z GLY B 53 UNP P68831 SER 53 SEE REMARK 999 SEQRES 1 A 74 GLY ALA MET PRO SER LYS LEU ALA LEU ILE GLN GLU LEU SEQRES 2 A 74 PRO ASP ARG ILE GLN THR ALA VAL GLU ALA ALA MET GLY SEQRES 3 A 74 MET SER TYR GLN ASP ALA PRO ASN ASN VAL ARG ARG ASP SEQRES 4 A 74 LEU ASP ASN LEU HIS ALA CYS LEU ASN LYS ALA LYS LEU SEQRES 5 A 74 THR VAL GLY ARG MET VAL THR SER LEU LEU GLU LYS PRO SEQRES 6 A 74 SER VAL VAL ALA TYR LEU GLU GLY LYS SEQRES 1 B 74 GLY ALA MET PRO SER LYS LEU ALA LEU ILE GLN GLU LEU SEQRES 2 B 74 PRO ASP ARG ILE GLN THR ALA VAL GLU ALA ALA MET GLY SEQRES 3 B 74 MET SER TYR GLN ASP ALA PRO ASN ASN VAL ARG ARG ASP SEQRES 4 B 74 LEU ASP ASN LEU HIS ALA CYS LEU ASN LYS ALA LYS LEU SEQRES 5 B 74 THR VAL GLY ARG MET VAL THR SER LEU LEU GLU LYS PRO SEQRES 6 B 74 SER VAL VAL ALA TYR LEU GLU GLY LYS HELIX 1 1 SER A 3 GLY A 24 1 22 HELIX 2 2 SER A 26 ALA A 30 5 5 HELIX 3 3 PRO A 31 GLU A 61 1 31 HELIX 4 4 LYS A 62 GLY A 71 1 10 HELIX 5 5 SER B 3 GLY B 24 1 22 HELIX 6 6 PRO B 31 GLU B 61 1 31 HELIX 7 7 LYS B 62 GLY B 71 1 10 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1