HEADER TRANSCRIPTION/TRANSCRIPTION INHIBITOR 27-AUG-13 4MEP TITLE CRYSTAL STRUCTURE OF THE FIRST BROMODOMAIN OF HUMAN BRD4 IN COMPLEX TITLE 2 WITH A 3-CHLORO-PYRIDONE LIGAND COMPND MOL_ID: 1; COMPND 2 MOLECULE: BROMODOMAIN-CONTAINING PROTEIN 4; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 44-168; COMPND 5 SYNONYM: PROTEIN HUNK1; 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: BRD4, HUNK1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)-R3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PNIC28-BSA4 KEYWDS BRD4, CAP, HUNK1, MCAP, MITOTIC CHROMOSOME ASSOCIATED PROTEIN, BRD, KEYWDS 2 SMALL MOLECULE INHIBITOR, STRUCTURAL GENOMICS CONSORTIUM, SGC, KEYWDS 3 TRANSCRIPTION-TRANSCRIPTION INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR P.FILIPPAKOPOULOS,S.PICAUD,I.FELLETAR,S.MARTIN,O.FEDOROV,L.R.VIDLER, AUTHOR 2 N.BROWN,F.VON DELFT,C.H.ARROWSMITH,A.M.EDWARDS,J.WEIGELT,C.BOUNTRA, AUTHOR 3 S.HOELDER,S.KNAPP,STRUCTURAL GENOMICS CONSORTIUM (SGC) REVDAT 4 20-SEP-23 4MEP 1 REMARK SEQADV REVDAT 3 19-FEB-14 4MEP 1 JRNL REVDAT 2 30-OCT-13 4MEP 1 JRNL REVDAT 1 25-SEP-13 4MEP 0 JRNL AUTH L.R.VIDLER,P.FILIPPAKOPOULOS,O.FEDOROV,S.PICAUD,S.MARTIN, JRNL AUTH 2 M.TOMSETT,H.WOODWARD,N.BROWN,S.KNAPP,S.HOELDER JRNL TITL DISCOVERY OF NOVEL SMALL-MOLECULE INHIBITORS OF BRD4 USING JRNL TITL 2 STRUCTURE-BASED VIRTUAL SCREENING. JRNL REF J.MED.CHEM. V. 56 8073 2013 JRNL REFN ISSN 0022-2623 JRNL PMID 24090311 JRNL DOI 10.1021/JM4011302 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.86 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 11332 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) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 542 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) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.90 REMARK 3 REFLECTION IN BIN (WORKING SET) : 681 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.90 REMARK 3 BIN R VALUE (WORKING SET) : 0.3900 REMARK 3 BIN FREE R VALUE SET COUNT : 40 REMARK 3 BIN FREE R VALUE : 0.4780 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1052 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 114 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.07 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.35000 REMARK 3 B22 (A**2) : 0.37000 REMARK 3 B33 (A**2) : -0.72000 REMARK 3 B12 (A**2) : 0.00000 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): 0.155 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.147 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.095 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.728 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.936 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1111 ; 0.015 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): 747 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1516 ; 1.574 ; 1.995 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1834 ; 1.002 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 126 ; 5.556 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 54 ;36.831 ;25.926 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 188 ;13.215 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ;26.232 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 158 ; 0.095 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1341 ; 0.008 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 210 ; 0.001 ; 0.020 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 : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 42 A 168 REMARK 3 ORIGIN FOR THE GROUP (A): 25.7539 28.5170 19.9133 REMARK 3 T TENSOR REMARK 3 T11: 0.0554 T22: 0.0578 REMARK 3 T33: 0.0678 T12: 0.0043 REMARK 3 T13: -0.0025 T23: -0.0128 REMARK 3 L TENSOR REMARK 3 L11: 0.3900 L22: 0.4535 REMARK 3 L33: 0.5751 L12: 0.2352 REMARK 3 L13: 0.0104 L23: 0.4286 REMARK 3 S TENSOR REMARK 3 S11: -0.0352 S12: 0.0076 S13: 0.0097 REMARK 3 S21: -0.0249 S22: 0.0160 S23: 0.0176 REMARK 3 S31: -0.0076 S32: 0.0013 S33: 0.0192 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 ADDED IN THE RIDING POSITIONS REMARK 3 U VALUES: WITH TLS ADDED REMARK 4 REMARK 4 4MEP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-AUG-13. REMARK 100 THE DEPOSITION ID IS D_1000081816. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-MAY-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU FR-E SUPERBRIGHT REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.52 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.20 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11370 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 24.860 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.10700 REMARK 200 R SYM (I) : 0.10700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.3 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : 0.60200 REMARK 200 R SYM FOR SHELL (I) : 0.60200 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.3.0 REMARK 200 STARTING MODEL: PDB ENTRY 2OSS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.20M NABR, 0.1M BTPROP, 20.0% PEG REMARK 280 3350, 10.0% ETGLY, PH 8.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-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 -1.000000 0.000000 0.000000 21.99500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.13000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.99500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.13000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.99500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.99500 REMARK 290 SMTRY3 4 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: 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 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 SER A 42 OG REMARK 470 LYS A 76 CE NZ REMARK 470 LYS A 91 CD CE NZ REMARK 470 LYS A 141 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 303 O HOH A 397 2.11 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 ASP A 144 151.51 -40.87 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 24Y A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4MEN RELATED DB: PDB REMARK 900 RELATED ID: 4MEO RELATED DB: PDB REMARK 900 RELATED ID: 4MEQ RELATED DB: PDB DBREF 4MEP A 44 168 UNP O60885 BRD4_HUMAN 44 168 SEQADV 4MEP SER A 42 UNP O60885 EXPRESSION TAG SEQADV 4MEP MET A 43 UNP O60885 EXPRESSION TAG SEQRES 1 A 127 SER MET ASN PRO PRO PRO PRO GLU THR SER ASN PRO ASN SEQRES 2 A 127 LYS PRO LYS ARG GLN THR ASN GLN LEU GLN TYR LEU LEU SEQRES 3 A 127 ARG VAL VAL LEU LYS THR LEU TRP LYS HIS GLN PHE ALA SEQRES 4 A 127 TRP PRO PHE GLN GLN PRO VAL ASP ALA VAL LYS LEU ASN SEQRES 5 A 127 LEU PRO ASP TYR TYR LYS ILE ILE LYS THR PRO MET ASP SEQRES 6 A 127 MET GLY THR ILE LYS LYS ARG LEU GLU ASN ASN TYR TYR SEQRES 7 A 127 TRP ASN ALA GLN GLU CYS ILE GLN ASP PHE ASN THR MET SEQRES 8 A 127 PHE THR ASN CYS TYR ILE TYR ASN LYS PRO GLY ASP ASP SEQRES 9 A 127 ILE VAL LEU MET ALA GLU ALA LEU GLU LYS LEU PHE LEU SEQRES 10 A 127 GLN LYS ILE ASN GLU LEU PRO THR GLU GLU HET 24Y A 201 26 HETNAM 24Y 3-CHLORO-5-[1-(3-METHYLPYRIDIN-2-YL)-3-PHENYL-1H-1,2,4- HETNAM 2 24Y TRIAZOL-5-YL]PYRIDIN-2(1H)-ONE FORMUL 2 24Y C19 H14 CL N5 O FORMUL 3 HOH *114(H2 O) HELIX 1 1 THR A 60 VAL A 69 1 10 HELIX 2 2 VAL A 69 LYS A 76 1 8 HELIX 3 3 ALA A 80 GLN A 84 5 5 HELIX 4 4 ASP A 88 ASN A 93 1 6 HELIX 5 5 ASP A 96 ILE A 101 1 6 HELIX 6 6 ASP A 106 ASN A 116 1 11 HELIX 7 7 ASN A 121 ASN A 140 1 20 HELIX 8 8 ASP A 144 ASN A 162 1 19 SITE 1 AC1 11 TRP A 81 PRO A 82 PHE A 83 GLN A 85 SITE 2 AC1 11 LEU A 92 ASN A 116 ASN A 140 HOH A 306 SITE 3 AC1 11 HOH A 323 HOH A 327 HOH A 347 CRYST1 43.990 47.990 60.260 90.00 90.00 90.00 P 21 21 21 4 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 0.022732 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020838 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016595 0.00000