HEADER TRANSFERASE 08-MAY-13 4KN6 TITLE CRYSTAL STRUCTURE OF HUMAN HYPOXANTHINE-GUANINE TITLE 2 PHOSPHORIBOSYLTRANSFERASE IN COMPLEX WITH 6-FLUORO-3-HYDROXY-2- TITLE 3 PYRAZINECARBOXAMIDE (T-705) RIBOSE-5'-MONOPHOSPHATE CAVEAT 4KN6 RESIDUES A GLY 57 AND A HIS 59 ARE LINKED TOGETHER (RESIDUE CAVEAT 2 4KN6 A GLY 58 IS OMITTED). RESIDUES A ASP 89 AND A SER 90 ARE CAVEAT 3 4KN6 LINKED TOGETHER (RESIDUE A ARG 90 IS OMITTED). COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HGPRT, HGPRTASE; COMPND 5 EC: 2.4.2.8; COMPND 6 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: HPRT1, HPRT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS FAVIPIRAVIR, 6-OXOPURINE PHOSPHORIBOSYLTRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR L.NAESENS,L.GUDDAT,D.KEOUGH,A.B.P.VAN KUILENBURG,J.MEIJER,J.VANDE AUTHOR 2 VOORDE,J.BALZARINI REVDAT 3 28-FEB-24 4KN6 1 REMARK REVDAT 2 25-SEP-13 4KN6 1 JRNL REVDAT 1 14-AUG-13 4KN6 0 JRNL AUTH L.NAESENS,L.W.GUDDAT,D.T.KEOUGH,A.B.VAN KUILENBURG,J.MEIJER, JRNL AUTH 2 J.VANDE VOORDE,J.BALZARINI JRNL TITL ROLE OF HUMAN HYPOXANTHINE GUANINE PHOSPHORIBOSYLTRANSFERASE JRNL TITL 2 IN ACTIVATION OF THE ANTIVIRAL AGENT T-705 (FAVIPIRAVIR). JRNL REF MOL.PHARMACOL. V. 84 615 2013 JRNL REFN ISSN 0026-895X JRNL PMID 23907213 JRNL DOI 10.1124/MOL.113.087247 REMARK 2 REMARK 2 RESOLUTION. 2.73 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8_1069) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.73 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.06 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 5282 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.251 REMARK 3 R VALUE (WORKING SET) : 0.248 REMARK 3 FREE R VALUE : 0.278 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.020 REMARK 3 FREE R VALUE TEST SET COUNT : 529 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 43.0623 - 4.3292 1.00 1243 138 0.2342 0.2267 REMARK 3 2 4.3292 - 3.4367 1.00 1188 133 0.2309 0.2650 REMARK 3 3 3.4367 - 3.0024 1.00 1163 130 0.2642 0.3289 REMARK 3 4 3.0024 - 2.7280 1.00 1159 128 0.3036 0.3935 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.450 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.030 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.002 1573 REMARK 3 ANGLE : 0.614 2136 REMARK 3 CHIRALITY : 0.038 241 REMARK 3 PLANARITY : 0.002 270 REMARK 3 DIHEDRAL : 14.493 602 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): -1.4941 -15.3217 -12.5730 REMARK 3 T TENSOR REMARK 3 T11: 0.2466 T22: 0.2477 REMARK 3 T33: 0.2274 T12: 0.0082 REMARK 3 T13: -0.0462 T23: -0.0132 REMARK 3 L TENSOR REMARK 3 L11: 3.4368 L22: 3.2815 REMARK 3 L33: 1.5382 L12: 0.0681 REMARK 3 L13: -1.2033 L23: -0.3172 REMARK 3 S TENSOR REMARK 3 S11: 0.0675 S12: 0.1483 S13: -0.3412 REMARK 3 S21: -0.1610 S22: -0.0122 S23: 0.2811 REMARK 3 S31: 0.1427 S32: -0.1566 S33: -0.0465 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4KN6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAY-13. REMARK 100 THE DEPOSITION ID IS D_1000079547. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-AUG-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : AUSTRALIAN SYNCHROTRON REMARK 200 BEAMLINE : MX1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.95369 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5283 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.728 REMARK 200 RESOLUTION RANGE LOW (A) : 43.060 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.73 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: PHASES REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.01 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM CHLORIDE, 1 M REMARK 280 SODIUM/POTASSIUM TARTRATE, 0.1 M IMIDAZOLE, PH 8.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 23.42900 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 36.70000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 54.56700 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 23.42900 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 36.70000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 54.56700 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 23.42900 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 36.70000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 54.56700 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 23.42900 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 36.70000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 54.56700 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2990 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16910 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 413 LIES ON A SPECIAL POSITION. 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 THR A 2 REMARK 465 ARG A 3 REMARK 465 GLY A 58 REMARK 465 ARG A 89A REMARK 465 SER A 103 REMARK 465 TYR A 104 REMARK 465 CYS A 105 REMARK 465 ASN A 106 REMARK 465 ASP A 107 REMARK 465 GLN A 108 REMARK 465 SER A 109 REMARK 465 THR A 110 REMARK 465 GLY A 111 REMARK 465 ASP A 112 REMARK 465 ILE A 113 REMARK 465 LYS A 114 REMARK 465 VAL A 115 REMARK 465 ILE A 116 REMARK 465 GLY A 117 REMARK 465 GLY A 118 REMARK 465 ASP A 119 REMARK 465 ASP A 120 REMARK 465 LEU A 121 REMARK 465 SER A 122 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 GLU A 13 CG CD OE1 OE2 REMARK 470 CYS A 22 SG REMARK 470 SER A 90 OG REMARK 470 LYS A 102 CG CD CE NZ REMARK 470 LYS A 140 CG CD CE NZ REMARK 470 CYS A 205 SG REMARK 470 LYS A 216 CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 O HOH A 401 O HOH A 411 2.04 REMARK 500 OD2 ASP A 76 OH TYR A 190 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 420 O HOH A 420 3555 2.05 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 HIS A 60 117.10 -13.63 REMARK 500 LYS A 68 -102.64 -123.36 REMARK 500 TYR A 71 -15.43 -141.59 REMARK 500 ARG A 86 2.83 -68.13 REMARK 500 SER A 88 -97.55 151.14 REMARK 500 MET A 94 116.68 -164.32 REMARK 500 ASP A 137 -71.80 -103.26 REMARK 500 TYR A 190 -80.39 55.41 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 1RP A 301 DBREF 4KN6 A 2 217 UNP P00492 HPRT_HUMAN 3 218 SEQRES 1 A 216 THR ARG SER PRO GLY VAL VAL ILE SER ASP ASP GLU PRO SEQRES 2 A 216 GLY TYR ASP LEU ASP LEU PHE CYS ILE PRO ASN HIS TYR SEQRES 3 A 216 ALA GLU ASP LEU GLU ARG VAL PHE ILE PRO HIS GLY LEU SEQRES 4 A 216 ILE MET ASP ARG THR GLU ARG LEU ALA ARG ASP VAL MET SEQRES 5 A 216 LYS GLU MET GLY GLY HIS HIS ILE VAL ALA LEU CYS VAL SEQRES 6 A 216 LEU LYS GLY GLY TYR LYS PHE PHE ALA ASP LEU LEU ASP SEQRES 7 A 216 TYR ILE LYS ALA LEU ASN ARG ASN SER ASP ARG SER ILE SEQRES 8 A 216 PRO MET THR VAL ASP PHE ILE ARG LEU LYS SER TYR CYS SEQRES 9 A 216 ASN ASP GLN SER THR GLY ASP ILE LYS VAL ILE GLY GLY SEQRES 10 A 216 ASP ASP LEU SER THR LEU THR GLY LYS ASN VAL LEU ILE SEQRES 11 A 216 VAL GLU ASP ILE ILE ASP THR GLY LYS THR MET GLN THR SEQRES 12 A 216 LEU LEU SER LEU VAL ARG GLN TYR ASN PRO LYS MET VAL SEQRES 13 A 216 LYS VAL ALA SER LEU LEU VAL LYS ARG THR PRO ARG SER SEQRES 14 A 216 VAL GLY TYR LYS PRO ASP PHE VAL GLY PHE GLU ILE PRO SEQRES 15 A 216 ASP LYS PHE VAL VAL GLY TYR ALA LEU ASP TYR ASN GLU SEQRES 16 A 216 TYR PHE ARG ASP LEU ASN HIS VAL CYS VAL ILE SER GLU SEQRES 17 A 216 THR GLY LYS ALA LYS TYR LYS ALA HET 1RP A 301 24 HETNAM 1RP 6-FLUORO-3-OXO-4-(5-O-PHOSPHONO-BETA-D-RIBOFURANOSYL)- HETNAM 2 1RP 3,4-DIHYDROPYRAZINE-2-CARBOXAMIDE FORMUL 2 1RP C10 H13 F N3 O9 P FORMUL 3 HOH *31(H2 O) HELIX 1 1 ASP A 17 PHE A 21 5 5 HELIX 2 2 PRO A 24 ALA A 28 5 5 HELIX 3 3 PRO A 37 LYS A 54 1 18 HELIX 4 4 TYR A 71 ARG A 86 1 16 HELIX 5 5 GLY A 139 GLN A 151 1 13 HELIX 6 6 SER A 208 TYR A 215 1 8 SHEET 1 A 6 VAL A 7 VAL A 8 0 SHEET 2 A 6 PHE A 177 ILE A 182 1 O GLU A 181 N VAL A 7 SHEET 3 A 6 MET A 156 LYS A 165 1 N LEU A 162 O PHE A 180 SHEET 4 A 6 ASN A 128 ILE A 136 1 N ILE A 131 O ALA A 160 SHEET 5 A 6 ILE A 61 LEU A 67 1 N VAL A 62 O ASN A 128 SHEET 6 A 6 THR A 95 ARG A 100 1 O ILE A 99 N LEU A 67 SHEET 1 B 3 LEU A 31 ILE A 36 0 SHEET 2 B 3 VAL A 204 ILE A 207 -1 O VAL A 206 N ARG A 33 SHEET 3 B 3 VAL A 187 VAL A 188 -1 N VAL A 188 O CYS A 205 CISPEP 1 ASP A 12 GLU A 13 0 -0.98 SITE 1 AC1 12 LYS A 68 ASP A 134 ILE A 135 ASP A 137 SITE 2 AC1 12 THR A 138 GLY A 139 THR A 141 LYS A 165 SITE 3 AC1 12 PHE A 186 VAL A 187 LEU A 192 ASP A 193 CRYST1 46.858 73.400 109.134 90.00 90.00 90.00 I 2 2 2 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 0.021341 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013624 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009163 0.00000