HEADER LIGASE 16-JUN-13 4L87 TITLE CRYSTAL STRUCTURE OF THE HUMAN SERYL-TRNA SYNTHETASE IN COMPLEX WITH TITLE 2 SER-SA AT 2.9 ANGSTROM RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE--TRNA LIGASE, CYTOPLASMIC; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 2-477; COMPND 5 SYNONYM: SERYL-TRNA SYNTHETASE, SERRS, SERYL-TRNA(SER/SEC) COMPND 6 SYNTHETASE; COMPND 7 EC: 6.1.1.11; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SARS, SERS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET20B KEYWDS LONG ALPHA-HELICES, SEVEN-STRANDED ANTI-PARALLEL BETA-SHEET, KEYWDS 2 AMINOACYLATION, TRNASER, LIGASE EXPDTA X-RAY DIFFRACTION AUTHOR X.XU,X.-L.YANG REVDAT 5 20-SEP-23 4L87 1 REMARK REVDAT 4 15-NOV-17 4L87 1 REMARK REVDAT 3 27-NOV-13 4L87 1 JRNL REVDAT 2 06-NOV-13 4L87 1 JRNL REVDAT 1 02-OCT-13 4L87 0 JRNL AUTH X.XU,Y.SHI,X.L.YANG JRNL TITL CRYSTAL STRUCTURE OF HUMAN SERYL-TRNA SYNTHETASE AND SER-SA JRNL TITL 2 COMPLEX REVEALS A MOLECULAR LEVER SPECIFIC TO HIGHER JRNL TITL 3 EUKARYOTES. JRNL REF STRUCTURE V. 21 2078 2013 JRNL REFN ISSN 0969-2126 JRNL PMID 24095058 JRNL DOI 10.1016/J.STR.2013.08.021 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 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) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 144.69 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 23501 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) : 0.256 REMARK 3 R VALUE (WORKING SET) : 0.255 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1208 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) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.97 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1562 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.70 REMARK 3 BIN R VALUE (WORKING SET) : 0.3900 REMARK 3 BIN FREE R VALUE SET COUNT : 74 REMARK 3 BIN FREE R VALUE : 0.4150 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3827 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 36 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 65.19 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 69.74 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.71000 REMARK 3 B22 (A**2) : 2.71000 REMARK 3 B33 (A**2) : -4.07000 REMARK 3 B12 (A**2) : 1.36000 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): 0.565 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.328 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.281 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 15.825 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.907 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.910 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3937 ; 0.004 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5312 ; 0.867 ; 1.981 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 475 ; 3.969 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 189 ;34.874 ;24.233 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 728 ;13.318 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 29 ;10.314 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 580 ; 0.049 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2954 ; 0.003 ; 0.021 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): 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 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT REMARK 3 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 4L87 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUN-13. REMARK 100 THE DEPOSITION ID IS D_1000080303. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97946 REMARK 200 MONOCHROMATOR : SIDE SCATTERING I-BEAM BENT REMARK 200 SINGLE CRYSTAL, ASYMMETRIC CUT REMARK 200 4.9650 DEGREES REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23501 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.897 REMARK 200 RESOLUTION RANGE LOW (A) : 144.690 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 9.900 REMARK 200 R MERGE (I) : 0.09400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 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 REMARK 200 STARTING MODEL: PDB ENTRY 3VBB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 74.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG3350, 0.2 M AMMONIUM FLUORIDE REMARK 280 OR AMMONIUM FORMATE, 0.1 M HEPES, PH 7.0, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 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 REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-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 -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 0.00000 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 0.00000 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 0.00000 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 0.00000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8480 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 42070 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -67.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 LYS A 71 71.11 55.54 REMARK 500 PRO A 73 10.47 -60.99 REMARK 500 VAL A 74 -60.51 67.78 REMARK 500 ASN A 83 21.00 -73.88 REMARK 500 GLU A 156 -60.00 -92.68 REMARK 500 ASP A 178 72.78 57.13 REMARK 500 ARG A 192 -7.73 81.62 REMARK 500 GLU A 246 -50.33 -138.76 REMARK 500 GLU A 256 50.15 -91.91 REMARK 500 ASP A 334 -139.99 57.62 REMARK 500 THR A 399 -133.54 49.54 REMARK 500 THR A 446 -154.94 -131.61 REMARK 500 PRO A 475 97.14 -59.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SSA A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 504 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3VBB RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN SERYL-TRNA SYNTHETASE DBREF 4L87 A 2 477 UNP P49591 SYSC_HUMAN 2 477 SEQRES 1 A 476 VAL LEU ASP LEU ASP LEU PHE ARG VAL ASP LYS GLY GLY SEQRES 2 A 476 ASP PRO ALA LEU ILE ARG GLU THR GLN GLU LYS ARG PHE SEQRES 3 A 476 LYS ASP PRO GLY LEU VAL ASP GLN LEU VAL LYS ALA ASP SEQRES 4 A 476 SER GLU TRP ARG ARG CYS ARG PHE ARG ALA ASP ASN LEU SEQRES 5 A 476 ASN LYS LEU LYS ASN LEU CYS SER LYS THR ILE GLY GLU SEQRES 6 A 476 LYS MET LYS LYS LYS GLU PRO VAL GLY ASP ASP GLU SER SEQRES 7 A 476 VAL PRO GLU ASN VAL LEU SER PHE ASP ASP LEU THR ALA SEQRES 8 A 476 ASP ALA LEU ALA ASN LEU LYS VAL SER GLN ILE LYS LYS SEQRES 9 A 476 VAL ARG LEU LEU ILE ASP GLU ALA ILE LEU LYS CYS ASP SEQRES 10 A 476 ALA GLU ARG ILE LYS LEU GLU ALA GLU ARG PHE GLU ASN SEQRES 11 A 476 LEU ARG GLU ILE GLY ASN LEU LEU HIS PRO SER VAL PRO SEQRES 12 A 476 ILE SER ASN ASP GLU ASP VAL ASP ASN LYS VAL GLU ARG SEQRES 13 A 476 ILE TRP GLY ASP CYS THR VAL ARG LYS LYS TYR SER HIS SEQRES 14 A 476 VAL ASP LEU VAL VAL MET VAL ASP GLY PHE GLU GLY GLU SEQRES 15 A 476 LYS GLY ALA VAL VAL ALA GLY SER ARG GLY TYR PHE LEU SEQRES 16 A 476 LYS GLY VAL LEU VAL PHE LEU GLU GLN ALA LEU ILE GLN SEQRES 17 A 476 TYR ALA LEU ARG THR LEU GLY SER ARG GLY TYR ILE PRO SEQRES 18 A 476 ILE TYR THR PRO PHE PHE MET ARG LYS GLU VAL MET GLN SEQRES 19 A 476 GLU VAL ALA GLN LEU SER GLN PHE ASP GLU GLU LEU TYR SEQRES 20 A 476 LYS VAL ILE GLY LYS GLY SER GLU LYS SER ASP ASP ASN SEQRES 21 A 476 SER TYR ASP GLU LYS TYR LEU ILE ALA THR SER GLU GLN SEQRES 22 A 476 PRO ILE ALA ALA LEU HIS ARG ASP GLU TRP LEU ARG PRO SEQRES 23 A 476 GLU ASP LEU PRO ILE LYS TYR ALA GLY LEU SER THR CYS SEQRES 24 A 476 PHE ARG GLN GLU VAL GLY SER HIS GLY ARG ASP THR ARG SEQRES 25 A 476 GLY ILE PHE ARG VAL HIS GLN PHE GLU LYS ILE GLU GLN SEQRES 26 A 476 PHE VAL TYR SER SER PRO HIS ASP ASN LYS SER TRP GLU SEQRES 27 A 476 MET PHE GLU GLU MET ILE THR THR ALA GLU GLU PHE TYR SEQRES 28 A 476 GLN SER LEU GLY ILE PRO TYR HIS ILE VAL ASN ILE VAL SEQRES 29 A 476 SER GLY SER LEU ASN HIS ALA ALA SER LYS LYS LEU ASP SEQRES 30 A 476 LEU GLU ALA TRP PHE PRO GLY SER GLY ALA PHE ARG GLU SEQRES 31 A 476 LEU VAL SER CYS SER ASN CYS THR ASP TYR GLN ALA ARG SEQRES 32 A 476 ARG LEU ARG ILE ARG TYR GLY GLN THR LYS LYS MET MET SEQRES 33 A 476 ASP LYS VAL GLU PHE VAL HIS MET LEU ASN ALA THR MET SEQRES 34 A 476 CYS ALA THR THR ARG THR ILE CYS ALA ILE LEU GLU ASN SEQRES 35 A 476 TYR GLN THR GLU LYS GLY ILE THR VAL PRO GLU LYS LEU SEQRES 36 A 476 LYS GLU PHE MET PRO PRO GLY LEU GLN GLU LEU ILE PRO SEQRES 37 A 476 PHE VAL LYS PRO ALA PRO ILE GLU HET SSA A 501 29 HET PO4 A 502 5 HET MG A 503 1 HET MG A 504 1 HETNAM SSA 5'-O-(N-(L-SERYL)-SULFAMOYL)ADENOSINE HETNAM PO4 PHOSPHATE ION HETNAM MG MAGNESIUM ION FORMUL 2 SSA C13 H19 N7 O8 S FORMUL 3 PO4 O4 P 3- FORMUL 4 MG 2(MG 2+) HELIX 1 1 ASP A 4 PHE A 8 5 5 HELIX 2 2 ASP A 15 ARG A 26 1 12 HELIX 3 3 PRO A 30 LYS A 70 1 41 HELIX 4 4 PRO A 81 LEU A 85 5 5 HELIX 5 5 THR A 91 LEU A 98 1 8 HELIX 6 6 LYS A 99 GLU A 134 1 36 HELIX 7 7 ASP A 148 ASN A 153 1 6 HELIX 8 8 SER A 169 VAL A 177 1 9 HELIX 9 9 GLY A 182 ALA A 189 1 8 HELIX 10 10 GLY A 198 SER A 217 1 20 HELIX 11 11 LYS A 231 ALA A 238 1 8 HELIX 12 12 GLN A 239 GLU A 246 1 8 HELIX 13 13 SER A 272 ALA A 278 1 7 HELIX 14 14 ASN A 335 LEU A 355 1 21 HELIX 15 15 VAL A 365 LEU A 369 5 5 HELIX 16 16 ASP A 400 LEU A 406 1 7 HELIX 17 17 THR A 433 TYR A 444 1 12 SHEET 1 A 8 LYS A 154 TRP A 159 0 SHEET 2 A 8 TYR A 359 ASN A 363 -1 O ILE A 361 N GLU A 156 SHEET 3 A 8 LYS A 375 PHE A 383 -1 O ASP A 378 N VAL A 362 SHEET 4 A 8 ALA A 388 THR A 399 -1 O CYS A 395 N LEU A 377 SHEET 5 A 8 HIS A 424 ALA A 432 -1 O ASN A 427 N SER A 396 SHEET 6 A 8 GLN A 320 SER A 330 -1 N SER A 330 O HIS A 424 SHEET 7 A 8 ILE A 292 PHE A 301 -1 N CYS A 300 O PHE A 321 SHEET 8 A 8 ILE A 221 TYR A 224 1 N ILE A 223 O LEU A 297 SHEET 1 B 2 PHE A 180 GLU A 181 0 SHEET 2 B 2 PHE A 195 LEU A 196 -1 O PHE A 195 N GLU A 181 SHEET 1 C 3 PHE A 228 ARG A 230 0 SHEET 2 C 3 ASP A 264 LEU A 268 -1 O TYR A 267 N MET A 229 SHEET 3 C 3 LYS A 249 GLY A 252 -1 N VAL A 250 O LYS A 266 SHEET 1 D 2 GLU A 283 LEU A 285 0 SHEET 2 D 2 ILE A 408 TYR A 410 1 O ARG A 409 N GLU A 283 SHEET 1 E 2 GLY A 449 THR A 451 0 SHEET 2 E 2 LEU A 467 PRO A 469 -1 O ILE A 468 N ILE A 450 CISPEP 1 LEU A 290 PRO A 291 0 2.70 SITE 1 AC1 20 THR A 271 GLU A 273 ARG A 302 GLU A 304 SITE 2 AC1 20 PHE A 316 ARG A 317 VAL A 318 PHE A 321 SITE 3 AC1 20 LYS A 323 GLU A 325 GLU A 391 LEU A 392 SITE 4 AC1 20 VAL A 393 SER A 394 ASN A 427 THR A 429 SITE 5 AC1 20 ALA A 432 THR A 434 ARG A 435 MG A 504 SITE 1 AC2 5 ARG A 310 PHE A 316 ARG A 317 ARG A 390 SITE 2 AC2 5 GLU A 391 SITE 1 AC3 3 LYS A 376 ASP A 378 GLU A 391 SITE 1 AC4 2 GLU A 246 SSA A 501 CRYST1 167.074 167.074 65.156 90.00 90.00 120.00 P 3 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 0.005985 0.003456 0.000000 0.00000 SCALE2 0.000000 0.006911 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015348 0.00000