HEADER VIRAL PROTEIN 26-AUG-04 1XAK TITLE STRUCTURE OF THE SARS-CORONAVIRUS ORF7A ACCESSORY PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SARS ORF7A ACCESSORY PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL ECTODOMAIN (RESIDUES 14-96); COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SARS CORONAVIRUS; SOURCE 3 ORGANISM_TAXID: 227859; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)RIL CODON (+) E.COLI CELLS SOURCE 7 (STRATAGENE); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-21A (EMD BIOSCIENCES) KEYWDS I-SET IG DOMAIN, BETA SANDWICH, STRUCTURAL GENOMICS, PSI, PROTEIN KEYWDS 2 STRUCTURE INITIATIVE, MIDWEST CENTER FOR STRUCTURAL GENOMICS, MCSG, KEYWDS 3 VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR C.A.NELSON,C.A.LEE,D.H.FREMONT,MIDWEST CENTER FOR STRUCTURAL GENOMICS AUTHOR 2 (MCSG) REVDAT 5 30-OCT-24 1XAK 1 SEQADV REVDAT 4 24-FEB-09 1XAK 1 VERSN REVDAT 3 01-MAR-05 1XAK 1 JRNL REVDAT 2 18-JAN-05 1XAK 1 AUTHOR KEYWDS REMARK SOURCE REVDAT 1 05-OCT-04 1XAK 0 JRNL AUTH C.A.NELSON,A.PEKOSZ,C.A.LEE,M.S.DIAMOND,D.H.FREMONT JRNL TITL STRUCTURE AND INTRACELLULAR TARGETING OF THE JRNL TITL 2 SARS-CORONAVIRUS ORF7A ACCESSORY PROTEIN. JRNL REF STRUCTURE V. 13 75 2005 JRNL REFN ISSN 0969-2126 JRNL PMID 15642263 JRNL DOI 10.1016/J.STR.2004.10.010 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.55 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 768789.820 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 7741 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) : 0.223 REMARK 3 FREE R VALUE : 0.275 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.500 REMARK 3 FREE R VALUE TEST SET COUNT : 422 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.013 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1198 REMARK 3 BIN R VALUE (WORKING SET) : 0.2910 REMARK 3 BIN FREE R VALUE : 0.3350 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 78 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.038 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 533 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 142 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.61000 REMARK 3 B22 (A**2) : 1.61000 REMARK 3 B33 (A**2) : -3.23000 REMARK 3 B12 (A**2) : 2.38000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.23 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.690 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 93.01 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XAK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-SEP-04. REMARK 100 THE DEPOSITION ID IS D_1000030142. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-NOV-03 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 5.35 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.90000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7744 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 7.200 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 34.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.88 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.29700 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.34 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 16% PEG 400, 100 MM SODIUM ACETATE, PH REMARK 280 5.35, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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 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 18.44333 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 36.88667 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 SER A -2 REMARK 465 SER A 68 REMARK 465 PRO A 69 REMARK 465 LYS A 70 REMARK 465 LEU A 71 REMARK 465 PHE A 72 REMARK 465 ILE A 73 REMARK 465 ARG A 74 REMARK 465 GLN A 75 REMARK 465 GLU A 76 REMARK 465 GLU A 77 REMARK 465 VAL A 78 REMARK 465 GLN A 79 REMARK 465 GLN A 80 REMARK 465 GLU A 81 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 22 53.06 37.06 REMARK 500 ASP A 36 35.48 73.96 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: APC35380 RELATED DB: TARGETDB DBREF 1XAK A -2 81 UNP P59635 YX4_CVHSA 14 96 SEQADV 1XAK ILE A 15 UNP P59635 LEU 30 CONFLICT SEQRES 1 A 83 SER CYS GLU LEU TYR HIS TYR GLN GLU CYS VAL ARG GLY SEQRES 2 A 83 THR THR VAL ILE LEU LYS GLU PRO CYS PRO SER GLY THR SEQRES 3 A 83 TYR GLU GLY ASN SER PRO PHE HIS PRO LEU ALA ASP ASN SEQRES 4 A 83 LYS PHE ALA LEU THR CYS THR SER THR HIS PHE ALA PHE SEQRES 5 A 83 ALA CYS ALA ASP GLY THR ARG HIS THR TYR GLN LEU ARG SEQRES 6 A 83 ALA ARG SER VAL SER PRO LYS LEU PHE ILE ARG GLN GLU SEQRES 7 A 83 GLU VAL GLN GLN GLU FORMUL 2 HOH *142(H2 O) SHEET 1 A 4 GLU A 1 VAL A 9 0 SHEET 2 A 4 ARG A 57 ARG A 65 1 O THR A 59 N HIS A 4 SHEET 3 A 4 THR A 46 ALA A 51 -1 N PHE A 48 O TYR A 60 SHEET 4 A 4 THR A 24 GLY A 27 -1 N GLU A 26 O ALA A 49 SHEET 1 B 3 THR A 13 LYS A 17 0 SHEET 2 B 3 LYS A 38 THR A 42 -1 O LEU A 41 N VAL A 14 SHEET 3 B 3 PRO A 33 LEU A 34 -1 N LEU A 34 O LYS A 38 SSBOND 1 CYS A 8 CYS A 43 1555 1555 2.03 SSBOND 2 CYS A 20 CYS A 52 1555 1555 2.03 CRYST1 37.100 37.100 55.330 90.00 90.00 120.00 P 31 3 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 0.026954 0.015562 0.000000 0.00000 SCALE2 0.000000 0.031124 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018073 0.00000