HEADER TRANSFERASE/TRANSFERASE INHIBITOR 03-AUG-11 3T9T TITLE CRYSTAL STRUCTURE OF BTK MUTANT (F435T,K596R) COMPLEXED WITH TITLE 2 IMIDAZO[1,5-A]QUINOXALINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYROSINE-PROTEIN KINASE ITK/TSK; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: KINASE DOMAIN (UNP RESIDUES 354-620); COMPND 5 SYNONYM: BTK, BRUTON'S TYROSINE KINASE, KINASE EMT, T-CELL-SPECIFIC COMPND 6 KINASE, TYROSINE-PROTEIN KINASE LYK; COMPND 7 EC: 2.7.10.2; COMPND 8 ENGINEERED: YES; COMPND 9 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: ITK, EMT, LYK; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS KINASE DOMAIN, ALPHA/BETA, ATP BINDING, PHOSPHORYLATION, KEYWDS 2 INTRACELLULAR, TRANSFERASE-TRANSFERASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.HAN,N.CASPERS REVDAT 3 06-MAR-24 3T9T 1 REMARK SEQADV LINK REVDAT 2 26-OCT-11 3T9T 1 JRNL REVDAT 1 12-OCT-11 3T9T 0 JRNL AUTH K.H.KIM,A.MADERNA,M.E.SCHNUTE,M.HEGEN,S.MOHAN,J.MIYASHIRO, JRNL AUTH 2 L.LIN,E.LI,S.KEEGAN,J.LUSSIER,C.WROCKLAGE, JRNL AUTH 3 C.L.NICKERSON-NUTTER,A.J.WITTWER,H.SOUTTER,N.CASPERS,S.HAN, JRNL AUTH 4 R.KURUMBAIL,K.DUNUSSI-JOANNOPOULOS,J.DOUHAN,A.WISSNER JRNL TITL IMIDAZO[1,5-A]QUINOXALINES AS IRREVERSIBLE BTK INHIBITORS JRNL TITL 2 FOR THE TREATMENT OF RHEUMATOID ARTHRITIS. JRNL REF BIOORG.MED.CHEM.LETT. V. 21 6258 2011 JRNL REFN ISSN 0960-894X JRNL PMID 21958547 JRNL DOI 10.1016/J.BMCL.2011.09.008 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.4.0069 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) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.67 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 30493 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) : 0.169 REMARK 3 R VALUE (WORKING SET) : 0.167 REMARK 3 FREE R VALUE : 0.205 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1626 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) : 1.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.69 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2231 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1990 REMARK 3 BIN FREE R VALUE SET COUNT : 115 REMARK 3 BIN FREE R VALUE : 0.2350 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2110 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 114 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.88 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.90000 REMARK 3 B22 (A**2) : -0.69000 REMARK 3 B33 (A**2) : 0.99000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.69000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.135 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.094 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.066 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.303 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.964 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.947 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2235 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3027 ; 1.290 ; 1.971 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 268 ; 6.204 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 105 ;35.899 ;23.714 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 380 ;12.517 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 15 ;18.630 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 320 ; 0.111 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1709 ; 0.006 ; 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): 1325 ; 2.244 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2143 ; 2.979 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 910 ; 4.428 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 884 ; 6.041 ; 4.500 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): 2235 ; 3.342 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 114 ; 5.328 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 2181 ; 3.043 ; 3.000 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3T9T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-AUG-11. REMARK 100 THE DEPOSITION ID IS D_1000067217. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-MAY-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I02 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 : DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AUTOPROC REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32146 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 34.675 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 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) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.55100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 14% PEG3350, 0.1 M MAGNESIUM ACETATE, REMARK 280 0.1 M HEPES, PH 7.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 34.67500 REMARK 290 SMTRY3 2 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 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 GLY A 354 REMARK 465 LYS A 355 REMARK 465 GLY A 619 REMARK 465 LEU A 620 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ASP A 359 N CA C O CB CG OD1 REMARK 480 ASP A 359 OD2 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 95 O HOH A 114 1.85 REMARK 500 O HOH A 86 O HOH A 95 2.04 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 PHE A 374 -15.46 81.98 REMARK 500 ASN A 384 15.03 58.57 REMARK 500 LYS A 385 -78.57 -125.12 REMARK 500 ARG A 481 -16.41 84.68 REMARK 500 ASP A 482 47.05 -153.87 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 IAQ A 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2 DBREF 3T9T A 354 620 UNP Q08881 ITK_HUMAN 354 620 SEQADV 3T9T THR A 435 UNP Q08881 PHE 435 ENGINEERED MUTATION SEQADV 3T9T ARG A 596 UNP Q08881 LYS 596 ENGINEERED MUTATION SEQRES 1 A 267 GLY LYS TRP VAL ILE ASP PRO SER GLU LEU THR PHE VAL SEQRES 2 A 267 GLN GLU ILE GLY SER GLY GLN PHE GLY LEU VAL HIS LEU SEQRES 3 A 267 GLY TYR TRP LEU ASN LYS ASP LYS VAL ALA ILE LYS THR SEQRES 4 A 267 ILE ARG GLU GLY ALA MET SER GLU GLU ASP PHE ILE GLU SEQRES 5 A 267 GLU ALA GLU VAL MET MET LYS LEU SER HIS PRO LYS LEU SEQRES 6 A 267 VAL GLN LEU TYR GLY VAL CYS LEU GLU GLN ALA PRO ILE SEQRES 7 A 267 CYS LEU VAL THR GLU PHE MET GLU HIS GLY CYS LEU SER SEQRES 8 A 267 ASP TYR LEU ARG THR GLN ARG GLY LEU PHE ALA ALA GLU SEQRES 9 A 267 THR LEU LEU GLY MET CYS LEU ASP VAL CYS GLU GLY MET SEQRES 10 A 267 ALA TYR LEU GLU GLU ALA CYS VAL ILE HIS ARG ASP LEU SEQRES 11 A 267 ALA ALA ARG ASN CYS LEU VAL GLY GLU ASN GLN VAL ILE SEQRES 12 A 267 LYS VAL SER ASP PHE GLY MET THR ARG PHE VAL LEU ASP SEQRES 13 A 267 ASP GLN TYR THR SER SER THR GLY THR LYS PHE PRO VAL SEQRES 14 A 267 LYS TRP ALA SER PRO GLU VAL PHE SER PHE SER ARG TYR SEQRES 15 A 267 SER SER LYS SER ASP VAL TRP SER PHE GLY VAL LEU MET SEQRES 16 A 267 TRP GLU VAL PHE SER GLU GLY LYS ILE PRO TYR GLU ASN SEQRES 17 A 267 ARG SER ASN SER GLU VAL VAL GLU ASP ILE SER THR GLY SEQRES 18 A 267 PHE ARG LEU TYR LYS PRO ARG LEU ALA SER THR HIS VAL SEQRES 19 A 267 TYR GLN ILE MET ASN HIS CYS TRP ARG GLU ARG PRO GLU SEQRES 20 A 267 ASP ARG PRO ALA PHE SER ARG LEU LEU ARG GLN LEU ALA SEQRES 21 A 267 GLU ILE ALA GLU SER GLY LEU HET IAQ A 800 32 HET GOL A 1 6 HET GOL A 2 6 HETNAM IAQ (2Z)-4-(DIMETHYLAMINO)-N-{7-FLUORO-4-[(2-METHYLPHENYL) HETNAM 2 IAQ AMINO]IMIDAZO[1,5-A]QUINOXALIN-8-YL}-N-METHYLBUT-2- HETNAM 3 IAQ ENAMIDE HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 IAQ C24 H25 F N6 O FORMUL 3 GOL 2(C3 H8 O3) FORMUL 5 HOH *114(H2 O) HELIX 1 1 ASP A 359 SER A 361 5 3 HELIX 2 2 SER A 399 LYS A 412 1 14 HELIX 3 3 CYS A 442 GLN A 450 1 9 HELIX 4 4 ALA A 455 ALA A 476 1 22 HELIX 5 5 ALA A 484 ARG A 486 5 3 HELIX 6 6 GLU A 492 GLN A 494 5 3 HELIX 7 7 GLY A 502 VAL A 507 5 6 HELIX 8 8 ASP A 509 SER A 514 1 6 HELIX 9 9 PRO A 521 ALA A 525 5 5 HELIX 10 10 SER A 526 SER A 533 1 8 HELIX 11 11 SER A 536 SER A 553 1 18 HELIX 12 12 SER A 563 THR A 573 1 11 HELIX 13 13 SER A 584 TRP A 595 1 12 HELIX 14 14 ARG A 598 ARG A 602 5 5 HELIX 15 15 ALA A 604 SER A 618 1 15 SHEET 1 A 5 LEU A 363 GLY A 372 0 SHEET 2 A 5 GLY A 375 TRP A 382 -1 O VAL A 377 N GLY A 370 SHEET 3 A 5 ASP A 386 ILE A 393 -1 O VAL A 388 N GLY A 380 SHEET 4 A 5 CYS A 432 THR A 435 -1 O LEU A 433 N LYS A 391 SHEET 5 A 5 LEU A 421 CYS A 425 -1 N TYR A 422 O VAL A 434 SHEET 1 B 2 CYS A 488 VAL A 490 0 SHEET 2 B 2 ILE A 496 VAL A 498 -1 O LYS A 497 N LEU A 489 LINK SG CYS A 442 C28 IAQ A 800 1555 1555 2.01 CISPEP 1 ALA A 429 PRO A 430 0 1.31 SITE 1 AC1 19 GOL A 1 HOH A 38 HOH A 57 ILE A 369 SITE 2 AC1 19 SER A 371 GLY A 372 VAL A 377 ALA A 389 SITE 3 AC1 19 LYS A 391 LEU A 433 THR A 435 GLU A 436 SITE 4 AC1 19 PHE A 437 MET A 438 CYS A 442 ASP A 445 SITE 5 AC1 19 LEU A 489 SER A 499 ASP A 500 SITE 1 AC2 7 HOH A 57 GLY A 372 GLN A 373 ARG A 486 SITE 2 AC2 7 SER A 499 ASP A 500 IAQ A 800 SITE 1 AC3 3 HOH A 5 HOH A 72 THR A 513 CRYST1 46.340 69.350 47.270 90.00 115.70 90.00 P 1 21 1 2 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 0.021580 0.000000 0.010386 0.00000 SCALE2 0.000000 0.014420 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023478 0.00000