HEADER TRANSFERASE 08-OCT-09 3K5U TITLE IDENTIFICATION, SAR STUDIES AND X-RAY COCRYSTAL ANALYSIS OF A NOVEL TITLE 2 FURANO-PYRIMIDINE AURORA KINASE A INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE/THREONINE-PROTEIN KINASE 6; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 SYNONYM: AURORA KINASE A, AURORA-A, SERINE/THREONINE KINASE 15, COMPND 6 AURORA/IPL1-RELATED KINASE 1, AURORA-RELATED KINASE 1, HARK1, BREAST COMPND 7 TUMOR-AMPLIFIED KINASE; COMPND 8 EC: 2.7.11.1; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: AURKA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS AURORA KINASE INHIBITORS, VIRTUAL SCREENING, X-RAY CO-CRYSTAL KEYWDS 2 ANALYSIS, STRUCTURE-BASED DRUG DESIGN (SBDD), H-BONDING, ATP-BINDING KEYWDS 3 SITE, CELL CYCLE, CYTOSKELETON, KINASE, NUCLEOTIDE-BINDING, KEYWDS 4 PHOSPHOPROTEIN, SERINE/THREONINE-PROTEIN KINASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.S.WU,J.S.LEOU,M.S.COUMAR,H.P.HSIEH,S.Y.WU REVDAT 3 01-NOV-23 3K5U 1 REMARK SEQADV REVDAT 2 01-NOV-17 3K5U 1 REMARK REVDAT 1 13-OCT-10 3K5U 0 JRNL AUTH M.S.COUMAR,M.T.TSAI,C.Y.CHU,B.J.UANG,W.H.LIN,C.Y.CHANG, JRNL AUTH 2 T.Y.CHANG,J.S.LEOU,C.H.TENG,J.S.WU,M.Y.FANG,C.H.CHEN, JRNL AUTH 3 J.T.HSU,S.Y.WU,Y.S.CHAO,H.P.HSIEH JRNL TITL IDENTIFICATION, SAR STUDIES, AND X-RAY CO-CRYSTALLOGRAPHIC JRNL TITL 2 ANALYSIS OF A NOVEL FURANOPYRIMIDINE AURORA KINASE A JRNL TITL 3 INHIBITOR JRNL REF CHEMMEDCHEM V. 5 255 2010 JRNL REFN ISSN 1860-7179 JRNL PMID 20039358 JRNL DOI 10.1002/CMDC.200900339 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.S.COUMAR,J.S.LEOU,P.SHUKLA,J.S.WU,A.K.DIXIT,W.H.LIN, REMARK 1 AUTH 2 C.Y.CHANG,T.W.LIEN,U.K.TAN,C.H.CHEN,J.T.HSU,Y.S.CHAO,S.Y.WU, REMARK 1 AUTH 3 H.P.HSIEH REMARK 1 TITL STRUCTURE-BASED DRUG DESIGN OF NOVEL AURORA KINASE A REMARK 1 TITL 2 INHIBITORS: STRUCTURAL BASIS FOR POTENCY AND SPECIFICITY REMARK 1 REF J.MED.CHEM. V. 52 1050 2009 REMARK 1 REFN ISSN 0022-2623 REMARK 1 PMID 19140666 REMARK 1 DOI 10.1021/JM801270E REMARK 2 REMARK 2 RESOLUTION. 2.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELX REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.242 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 740 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 14897 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2130 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 25 REMARK 3 SOLVENT ATOMS : 213 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 ANGLE DISTANCES (A) : 0.020 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.301 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.032 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.044 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.087 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3K5U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 23-FEB-10. REMARK 100 THE DEPOSITION ID IS D_1000055583. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-JUL-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL13B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14897 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 6.200 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 6.30 REMARK 200 R MERGE FOR SHELL (I) : 0.44400 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 3FDN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22% PEG400, 0.1MM AMMONIA SULFATE, PH REMARK 280 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 57.24700 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 114.49400 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 85.87050 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 143.11750 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 28.62350 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 57.24700 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 114.49400 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 143.11750 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 85.87050 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 28.62350 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 A2127 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 SER A 123 REMARK 465 LYS A 124 REMARK 465 LYS A 125 REMARK 465 ALA A 281 REMARK 465 PRO A 282 REMARK 465 SER A 283 REMARK 465 SER A 284 REMARK 465 ARG A 285 REMARK 465 ARG A 286 REMARK 465 THR A 287 REMARK 465 ASP A 288 REMARK 465 LEU A 289 REMARK 465 ASN A 395 REMARK 465 LYS A 396 REMARK 465 GLU A 397 REMARK 465 SER A 398 REMARK 465 ALA A 399 REMARK 465 SER A 400 REMARK 465 LYS A 401 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 ARG A 126 CG CD NE CZ NH1 NH2 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 GLU A 175 -34.57 -38.33 REMARK 500 ASP A 202 -157.00 -120.68 REMARK 500 SER A 226 -48.03 79.04 REMARK 500 ARG A 255 -155.88 -76.48 REMARK 500 SER A 278 139.90 -179.03 REMARK 500 ARG A 304 -164.33 -111.08 REMARK 500 ASP A 307 -155.70 -139.67 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 PFQ A 1001 DBREF 3K5U A 123 401 UNP O14965 STK6_HUMAN 123 401 SEQADV 3K5U ASP A 288 UNP O14965 THR 288 ENGINEERED MUTATION SEQRES 1 A 279 SER LYS LYS ARG GLN TRP ALA LEU GLU ASP PHE GLU ILE SEQRES 2 A 279 GLY ARG PRO LEU GLY LYS GLY LYS PHE GLY ASN VAL TYR SEQRES 3 A 279 LEU ALA ARG GLU LYS GLN SER LYS PHE ILE LEU ALA LEU SEQRES 4 A 279 LYS VAL LEU PHE LYS ALA GLN LEU GLU LYS ALA GLY VAL SEQRES 5 A 279 GLU HIS GLN LEU ARG ARG GLU VAL GLU ILE GLN SER HIS SEQRES 6 A 279 LEU ARG HIS PRO ASN ILE LEU ARG LEU TYR GLY TYR PHE SEQRES 7 A 279 HIS ASP ALA THR ARG VAL TYR LEU ILE LEU GLU TYR ALA SEQRES 8 A 279 PRO LEU GLY THR VAL TYR ARG GLU LEU GLN LYS LEU SER SEQRES 9 A 279 LYS PHE ASP GLU GLN ARG THR ALA THR TYR ILE THR GLU SEQRES 10 A 279 LEU ALA ASN ALA LEU SER TYR CYS HIS SER LYS ARG VAL SEQRES 11 A 279 ILE HIS ARG ASP ILE LYS PRO GLU ASN LEU LEU LEU GLY SEQRES 12 A 279 SER ALA GLY GLU LEU LYS ILE ALA ASP PHE GLY TRP SER SEQRES 13 A 279 VAL HIS ALA PRO SER SER ARG ARG THR ASP LEU CYS GLY SEQRES 14 A 279 THR LEU ASP TYR LEU PRO PRO GLU MET ILE GLU GLY ARG SEQRES 15 A 279 MET HIS ASP GLU LYS VAL ASP LEU TRP SER LEU GLY VAL SEQRES 16 A 279 LEU CYS TYR GLU PHE LEU VAL GLY LYS PRO PRO PHE GLU SEQRES 17 A 279 ALA ASN THR TYR GLN GLU THR TYR LYS ARG ILE SER ARG SEQRES 18 A 279 VAL GLU PHE THR PHE PRO ASP PHE VAL THR GLU GLY ALA SEQRES 19 A 279 ARG ASP LEU ILE SER ARG LEU LEU LYS HIS ASN PRO SER SEQRES 20 A 279 GLN ARG PRO MET LEU ARG GLU VAL LEU GLU HIS PRO TRP SEQRES 21 A 279 ILE THR ALA ASN SER SER LYS PRO SER ASN CYS GLN ASN SEQRES 22 A 279 LYS GLU SER ALA SER LYS HET PFQ A1001 25 HETNAM PFQ 2-[(5,6-DIPHENYLFURO[2,3-D]PYRIMIDIN-4-YL)AMINO]ETHANOL FORMUL 2 PFQ C20 H17 N3 O2 FORMUL 3 HOH *213(H2 O) HELIX 1 1 ALA A 129 GLU A 131 5 3 HELIX 2 2 LYS A 166 ALA A 172 1 7 HELIX 3 3 VAL A 174 HIS A 187 1 14 HELIX 4 4 THR A 217 SER A 226 1 10 HELIX 5 5 ASP A 229 SER A 249 1 21 HELIX 6 6 LYS A 258 GLU A 260 5 3 HELIX 7 7 PRO A 297 GLU A 302 1 6 HELIX 8 8 LYS A 309 GLY A 325 1 17 HELIX 9 9 THR A 333 VAL A 344 1 12 HELIX 10 10 THR A 353 LEU A 364 1 12 HELIX 11 11 ASN A 367 ARG A 371 5 5 HELIX 12 12 MET A 373 GLU A 379 1 7 HELIX 13 13 HIS A 380 SER A 387 1 8 SHEET 1 A 5 PHE A 133 LYS A 141 0 SHEET 2 A 5 ASN A 146 GLU A 152 -1 O LEU A 149 N GLY A 136 SHEET 3 A 5 ILE A 158 PHE A 165 -1 O VAL A 163 N ASN A 146 SHEET 4 A 5 ARG A 205 LEU A 210 -1 O LEU A 210 N ALA A 160 SHEET 5 A 5 LEU A 196 HIS A 201 -1 N GLY A 198 O ILE A 209 SHEET 1 B 2 ILE A 253 HIS A 254 0 SHEET 2 B 2 TRP A 277 SER A 278 -1 O SER A 278 N ILE A 253 SHEET 1 C 2 LEU A 262 LEU A 264 0 SHEET 2 C 2 LEU A 270 ILE A 272 -1 O LYS A 271 N LEU A 263 CISPEP 1 CYS A 290 GLY A 291 0 -27.61 CISPEP 2 CYS A 393 GLN A 394 0 -2.40 SITE 1 AC1 16 LEU A 139 GLY A 140 VAL A 147 ALA A 160 SITE 2 AC1 16 LYS A 162 LEU A 210 GLU A 211 ALA A 213 SITE 3 AC1 16 PRO A 214 GLY A 216 THR A 217 LEU A 263 SITE 4 AC1 16 ALA A 273 HOH A2019 HOH A2083 HOH A2183 CRYST1 82.313 82.313 171.741 90.00 90.00 120.00 P 61 2 2 12 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 0.012149 0.007014 0.000000 0.00000 SCALE2 0.000000 0.014028 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005823 0.00000