HEADER TRANSCRIPTION 19-AUG-15 5AD3 TITLE BIVALENT BINDING TO BET BROMODOMAINS COMPND MOL_ID: 1; COMPND 2 MOLECULE: BROMODOMAIN-CONTAINING PROTEIN 4; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: BROMODOMAIN 1, RESIDUES 44-168; COMPND 5 SYNONYM: PROTEIN HUNK1, BRD4; 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET KEYWDS TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR M.J.WARING,H.CHEN,A.A.RABOW,G.WALKER,R.BOBBY,S.BOIKO,R.H.BRADBURY, AUTHOR 2 R.CALLIS,I.DALE,D.DANIELS,L.FLAVELL,G.HOLDGATE,T.A.JOWITT,A.KIKHNEY, AUTHOR 3 M.MCALISTER,D.OGG,J.PATEL,P.PETTERUTI,G.R.ROBB,M.ROBERS,N.STRATTON, AUTHOR 4 D.I.SVERGUN,W.WANG,D.WHITTAKER REVDAT 5 10-JAN-24 5AD3 1 REMARK REVDAT 4 30-NOV-16 5AD3 1 JRNL REVDAT 3 09-NOV-16 5AD3 1 JRNL REVDAT 2 26-OCT-16 5AD3 1 JRNL REVDAT 1 28-SEP-16 5AD3 0 JRNL AUTH M.J.WARING,H.CHEN,A.A.RABOW,G.WALKER,R.BOBBY,S.BOIKO, JRNL AUTH 2 R.H.BRADBURY,R.CALLIS,E.CLARK,I.DALE,D.L.DANIELS,A.DULAK, JRNL AUTH 3 L.FLAVELL,G.HOLDGATE,T.A.JOWITT,A.KIKHNEY,M.MCALISTER,D.OGG, JRNL AUTH 4 J.PATEL,P.PETTERUTI,G.R.ROBB,M.B.ROBERS,S.SAIF,N.STRATTON, JRNL AUTH 5 D.I.SVERGUN,W.WANG,D.WHITTAKER,D.M.WILSON,Y.YAO JRNL TITL POTENT AND SELECTIVE BIVALENT INHIBITORS OF BET BROMODOMAINS JRNL REF NAT.CHEM.BIOL. V. 12 1097 2016 JRNL REFN ISSN 1552-4450 JRNL PMID 27775716 JRNL DOI 10.1038/NCHEMBIO.2210 REMARK 2 REMARK 2 RESOLUTION. 1.49 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.6 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.49 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 45179 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) : 0.271 REMARK 3 R VALUE (WORKING SET) : 0.269 REMARK 3 FREE R VALUE : 0.308 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.040 REMARK 3 FREE R VALUE TEST SET COUNT : 2278 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.49 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.53 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.37 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 3271 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.3748 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3122 REMARK 3 BIN R VALUE (WORKING SET) : 0.3754 REMARK 3 BIN FREE R VALUE : 0.3617 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.56 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 149 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2118 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 39 REMARK 3 SOLVENT ATOMS : 237 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.24 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.91 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.34430 REMARK 3 B22 (A**2) : -5.71960 REMARK 3 B33 (A**2) : 10.06390 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.329 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.110 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.110 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.119 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.106 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.869 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.833 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 4340 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 7876 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 943 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 72 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 577 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 4340 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 283 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 4637 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 0.99 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.94 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 16.88 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): 122.5050 -32.5522 2.0687 REMARK 3 T TENSOR REMARK 3 T11: -0.2240 T22: -0.1720 REMARK 3 T33: 0.1328 T12: 0.0140 REMARK 3 T13: -0.0768 T23: -0.0429 REMARK 3 L TENSOR REMARK 3 L11: 1.5011 L22: 0.7616 REMARK 3 L33: 0.8744 L12: 0.0570 REMARK 3 L13: 0.2299 L23: -0.0065 REMARK 3 S TENSOR REMARK 3 S11: 0.0737 S12: 0.0682 S13: 0.0133 REMARK 3 S21: 0.0045 S22: 0.0329 S23: -0.0795 REMARK 3 S31: -0.0096 S32: -0.0190 S33: -0.1066 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): 152.5510 -49.7280 2.6483 REMARK 3 T TENSOR REMARK 3 T11: -0.2010 T22: -0.1715 REMARK 3 T33: 0.1024 T12: 0.0045 REMARK 3 T13: 0.0553 T23: 0.0055 REMARK 3 L TENSOR REMARK 3 L11: 1.0400 L22: 0.4345 REMARK 3 L33: 1.0632 L12: -0.0821 REMARK 3 L13: -0.3579 L23: -0.0926 REMARK 3 S TENSOR REMARK 3 S11: 0.0036 S12: 0.0559 S13: -0.0864 REMARK 3 S21: -0.0287 S22: 0.0025 S23: -0.1067 REMARK 3 S31: 0.0771 S32: -0.0109 S33: -0.0060 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5AD3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-AUG-15. REMARK 100 THE DEPOSITION ID IS D_1290064738. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-FEB-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45639 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.490 REMARK 200 RESOLUTION RANGE LOW (A) : 52.360 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.10000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.49 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.57 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.10 REMARK 200 R MERGE FOR SHELL (I) : 0.66000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 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 2OSS REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4K 20%W/V, (NH4)2HPO4 0.2M 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 54.82000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 29.79550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.91300 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.79550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 54.82000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 20.91300 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 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 350 REMARK 350 BIOMOLECULE: 2 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: B 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 B 42 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 ASN B 93 66.20 63.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2048 DISTANCE = 5.89 ANGSTROMS REMARK 525 HOH A2054 DISTANCE = 6.63 ANGSTROMS REMARK 525 HOH A2057 DISTANCE = 6.83 ANGSTROMS REMARK 525 HOH B2039 DISTANCE = 6.75 ANGSTROMS REMARK 525 HOH B2116 DISTANCE = 6.00 ANGSTROMS REMARK 525 HOH B2118 DISTANCE = 6.18 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K6K B 1169 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5AD2 RELATED DB: PDB REMARK 900 BIVALENT BINDING TO BET BROMODOMAINS DBREF 5AD3 A 44 168 UNP O60885 BRD4_HUMAN 44 168 DBREF 5AD3 B 44 168 UNP O60885 BRD4_HUMAN 44 168 SEQADV 5AD3 SER A 42 UNP O60885 EXPRESSION TAG SEQADV 5AD3 MET A 43 UNP O60885 EXPRESSION TAG SEQADV 5AD3 SER B 42 UNP O60885 EXPRESSION TAG SEQADV 5AD3 MET B 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 SEQRES 1 B 127 SER MET ASN PRO PRO PRO PRO GLU THR SER ASN PRO ASN SEQRES 2 B 127 LYS PRO LYS ARG GLN THR ASN GLN LEU GLN TYR LEU LEU SEQRES 3 B 127 ARG VAL VAL LEU LYS THR LEU TRP LYS HIS GLN PHE ALA SEQRES 4 B 127 TRP PRO PHE GLN GLN PRO VAL ASP ALA VAL LYS LEU ASN SEQRES 5 B 127 LEU PRO ASP TYR TYR LYS ILE ILE LYS THR PRO MET ASP SEQRES 6 B 127 MET GLY THR ILE LYS LYS ARG LEU GLU ASN ASN TYR TYR SEQRES 7 B 127 TRP ASN ALA GLN GLU CYS ILE GLN ASP PHE ASN THR MET SEQRES 8 B 127 PHE THR ASN CYS TYR ILE TYR ASN LYS PRO GLY ASP ASP SEQRES 9 B 127 ILE VAL LEU MET ALA GLU ALA LEU GLU LYS LEU PHE LEU SEQRES 10 B 127 GLN LYS ILE ASN GLU LEU PRO THR GLU GLU HET K6K B1169 39 HETNAM K6K 3-METHOXY-N-[2-[4-[1-(3-METHOXY-[1,2,4]TRIAZOLO[4,3- HETNAM 2 K6K B]PYRIDAZIN-6-YL)-4-PIPERIDYL]PHENOXY]ETHYL]-N-METHYL- HETNAM 3 K6K [1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-6-AMINE FORMUL 3 K6K C26 H30 N10 O3 FORMUL 4 HOH *237(H2 O) HELIX 1 1 THR A 60 VAL A 69 1 10 HELIX 2 2 VAL A 69 HIS A 77 1 9 HELIX 3 3 ALA A 80 GLN A 84 5 5 HELIX 4 4 ASP A 96 ILE A 101 1 6 HELIX 5 5 ASP A 106 ASN A 116 1 11 HELIX 6 6 ALA A 122 ASN A 140 1 19 HELIX 7 7 ASP A 144 GLU A 163 1 20 HELIX 8 8 THR B 60 VAL B 69 1 10 HELIX 9 9 VAL B 69 HIS B 77 1 9 HELIX 10 10 ALA B 80 GLN B 84 5 5 HELIX 11 11 ASP B 88 ASN B 93 1 6 HELIX 12 12 ASP B 96 ILE B 101 1 6 HELIX 13 13 ASP B 106 ASN B 116 1 11 HELIX 14 14 ASN B 121 ASN B 140 1 20 HELIX 15 15 ASP B 144 GLU B 163 1 20 SITE 1 AC1 14 TRP A 81 PRO A 82 PHE A 83 TYR A 139 SITE 2 AC1 14 ASN A 140 ILE A 146 HOH A2058 TRP B 81 SITE 3 AC1 14 PRO B 82 VAL B 87 ASN B 140 ASP B 145 SITE 4 AC1 14 HOH B2047 HOH B2066 CRYST1 109.640 41.826 59.591 90.00 90.00 90.00 P 21 21 21 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 0.009121 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023909 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016781 0.00000