HEADER TRANSFERASE/TRANSFERASE INHIBITOR 06-JUL-12 4FZ6 TITLE CRYSTAL STRUCTURE OF SPLEEN TYROSINE KINASE COMPLEXED WITH [6-((S)-2- TITLE 2 METHYL-PYRROLIDIN-1-YL)-PYRIDIN-2-YL]-(6-PHENYL-IMIDAZO[1,2- TITLE 3 B]PYRIDAZIN-8-YL)-AMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYROSINE-PROTEIN KINASE SYK; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 356-635, PROTEIN KINASE DOMAIN; COMPND 5 SYNONYM: SPLEEN TYROSINE KINASE, P72-SYK; COMPND 6 EC: 2.7.10.2; COMPND 7 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: SYK; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: SF9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS KINASE INHIBITOR, TRANSFERASE-TRANSFERASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.KUGLSTATTER,M.SLADE REVDAT 3 13-SEP-23 4FZ6 1 REMARK SEQADV REVDAT 2 17-JUL-19 4FZ6 1 REMARK REVDAT 1 30-JAN-13 4FZ6 0 JRNL AUTH M.C.LUCAS,D.M.GOLDSTEIN,J.C.HERMANN,A.KUGLSTATTER,W.LIU, JRNL AUTH 2 K.C.LUK,F.PADILLA,M.SLADE,A.G.VILLASENOR,J.WANNER,W.XIE, JRNL AUTH 3 X.ZHANG,C.LIAO JRNL TITL RATIONAL DESIGN OF HIGHLY SELECTIVE SPLEEN TYROSINE KINASE JRNL TITL 2 INHIBITORS. JRNL REF J.MED.CHEM. V. 55 10414 2012 JRNL REFN ISSN 0022-2623 JRNL PMID 23151054 JRNL DOI 10.1021/JM301367C REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0072 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) : 30.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 25329 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) : 0.230 REMARK 3 R VALUE (WORKING SET) : 0.229 REMARK 3 FREE R VALUE : 0.253 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1346 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) : 1853 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.51 REMARK 3 BIN R VALUE (WORKING SET) : 0.3290 REMARK 3 BIN FREE R VALUE SET COUNT : 58 REMARK 3 BIN FREE R VALUE : 0.4500 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2172 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 111 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.68 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.05000 REMARK 3 B22 (A**2) : -1.20000 REMARK 3 B33 (A**2) : 2.26000 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): 0.164 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.145 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.117 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.770 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.941 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.929 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2259 ; 0.007 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3044 ; 0.974 ; 1.982 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 262 ; 4.932 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 104 ;36.428 ;24.038 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 413 ;13.029 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;17.731 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 315 ; 0.066 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1712 ; 0.003 ; 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): 1323 ; 0.452 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2121 ; 0.872 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 936 ; 1.259 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 923 ; 2.149 ; 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): 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 363 A 639 REMARK 3 ORIGIN FOR THE GROUP (A): 3.6844 10.4997 20.1652 REMARK 3 T TENSOR REMARK 3 T11: 0.0610 T22: 0.0829 REMARK 3 T33: 0.0332 T12: -0.0045 REMARK 3 T13: 0.0217 T23: 0.0140 REMARK 3 L TENSOR REMARK 3 L11: 1.4646 L22: 2.1328 REMARK 3 L33: 0.5510 L12: 0.3628 REMARK 3 L13: -0.8726 L23: -0.4682 REMARK 3 S TENSOR REMARK 3 S11: -0.0561 S12: -0.0594 S13: -0.0088 REMARK 3 S21: -0.0416 S22: 0.0401 S23: -0.0651 REMARK 3 S31: 0.0388 S32: 0.0285 S33: 0.0161 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4FZ6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUL-12. REMARK 100 THE DEPOSITION ID IS D_1000073535. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL 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 : APS REMARK 200 BEAMLINE : 31-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97929 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX225HE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26718 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 30.994 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.0000 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 (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 3FQE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.52 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% PEG 4000, 0.2M AMMONIUM SULFATE, REMARK 280 0.1M HEPES, PH 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 283K 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 19.88200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 45.23200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.53600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 45.23200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.88200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.53600 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 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 MET A 353 REMARK 465 ALA A 354 REMARK 465 LEU A 355 REMARK 465 GLU A 356 REMARK 465 GLU A 357 REMARK 465 ILE A 358 REMARK 465 ARG A 359 REMARK 465 PRO A 360 REMARK 465 LYS A 361 REMARK 465 GLU A 362 REMARK 465 GLY A 380 REMARK 465 ASN A 381 REMARK 465 ASN A 406 REMARK 465 GLU A 407 REMARK 465 ALA A 408 REMARK 465 ASN A 409 REMARK 465 ASP A 410 REMARK 465 GLN A 529 REMARK 465 THR A 530 REMARK 465 HIS A 531 REMARK 465 GLY A 532 REMARK 465 HIS A 640 REMARK 465 HIS A 641 REMARK 465 HIS A 642 REMARK 465 HIS A 643 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 LYS A 394 -44.92 -150.12 REMARK 500 ALA A 441 -124.75 -133.17 REMARK 500 ASP A 494 43.17 -149.02 REMARK 500 ASP A 512 78.15 58.51 REMARK 500 TRP A 609 31.01 -93.40 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 0VG A 701 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4FYN RELATED DB: PDB REMARK 900 RELATED ID: 4FYO RELATED DB: PDB DBREF 4FZ6 A 356 635 UNP P43405 KSYK_HUMAN 356 635 SEQADV 4FZ6 MET A 353 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 ALA A 354 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 LEU A 355 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 GLU A 636 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 GLY A 637 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 HIS A 638 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 HIS A 639 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 HIS A 640 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 HIS A 641 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 HIS A 642 UNP P43405 EXPRESSION TAG SEQADV 4FZ6 HIS A 643 UNP P43405 EXPRESSION TAG SEQRES 1 A 291 MET ALA LEU GLU GLU ILE ARG PRO LYS GLU VAL TYR LEU SEQRES 2 A 291 ASP ARG LYS LEU LEU THR LEU GLU ASP LYS GLU LEU GLY SEQRES 3 A 291 SER GLY ASN PHE GLY THR VAL LYS LYS GLY TYR TYR GLN SEQRES 4 A 291 MET LYS LYS VAL VAL LYS THR VAL ALA VAL LYS ILE LEU SEQRES 5 A 291 LYS ASN GLU ALA ASN ASP PRO ALA LEU LYS ASP GLU LEU SEQRES 6 A 291 LEU ALA GLU ALA ASN VAL MET GLN GLN LEU ASP ASN PRO SEQRES 7 A 291 TYR ILE VAL ARG MET ILE GLY ILE CYS GLU ALA GLU SER SEQRES 8 A 291 TRP MET LEU VAL MET GLU MET ALA GLU LEU GLY PRO LEU SEQRES 9 A 291 ASN LYS TYR LEU GLN GLN ASN ARG HIS VAL LYS ASP LYS SEQRES 10 A 291 ASN ILE ILE GLU LEU VAL HIS GLN VAL SER MET GLY MET SEQRES 11 A 291 LYS TYR LEU GLU GLU SER ASN PHE VAL HIS ARG ASP LEU SEQRES 12 A 291 ALA ALA ARG ASN VAL LEU LEU VAL THR GLN HIS TYR ALA SEQRES 13 A 291 LYS ILE SER ASP PHE GLY LEU SER LYS ALA LEU ARG ALA SEQRES 14 A 291 ASP GLU ASN TYR TYR LYS ALA GLN THR HIS GLY LYS TRP SEQRES 15 A 291 PRO VAL LYS TRP TYR ALA PRO GLU CYS ILE ASN TYR TYR SEQRES 16 A 291 LYS PHE SER SER LYS SER ASP VAL TRP SER PHE GLY VAL SEQRES 17 A 291 LEU MET TRP GLU ALA PHE SER TYR GLY GLN LYS PRO TYR SEQRES 18 A 291 ARG GLY MET LYS GLY SER GLU VAL THR ALA MET LEU GLU SEQRES 19 A 291 LYS GLY GLU ARG MET GLY CYS PRO ALA GLY CYS PRO ARG SEQRES 20 A 291 GLU MET TYR ASP LEU MET ASN LEU CYS TRP THR TYR ASP SEQRES 21 A 291 VAL GLU ASN ARG PRO GLY PHE ALA ALA VAL GLU LEU ARG SEQRES 22 A 291 LEU ARG ASN TYR TYR TYR ASP VAL VAL ASN GLU GLY HIS SEQRES 23 A 291 HIS HIS HIS HIS HIS HET 0VG A 701 28 HETNAM 0VG N-{6-[(2S)-2-METHYLPYRROLIDIN-1-YL]PYRIDIN-2-YL}-6- HETNAM 2 0VG PHENYLIMIDAZO[1,2-B]PYRIDAZIN-8-AMINE FORMUL 2 0VG C22 H22 N6 FORMUL 3 HOH *111(H2 O) HELIX 1 1 ASP A 366 LYS A 368 5 3 HELIX 2 2 ALA A 412 GLN A 426 1 15 HELIX 3 3 LEU A 456 ASN A 463 1 8 HELIX 4 4 LYS A 467 SER A 488 1 22 HELIX 5 5 ALA A 496 ARG A 498 5 3 HELIX 6 6 PRO A 535 TYR A 539 5 5 HELIX 7 7 ALA A 540 TYR A 547 1 8 HELIX 8 8 SER A 550 SER A 567 1 18 HELIX 9 9 LYS A 577 LYS A 587 1 11 HELIX 10 10 PRO A 598 TRP A 609 1 12 HELIX 11 11 ASP A 612 ARG A 616 5 5 HELIX 12 12 GLY A 618 HIS A 639 1 22 SHEET 1 A 5 LEU A 370 LEU A 372 0 SHEET 2 A 5 GLY A 383 GLN A 391 -1 O TYR A 389 N THR A 371 SHEET 3 A 5 VAL A 396 LEU A 404 -1 O ILE A 403 N THR A 384 SHEET 4 A 5 TRP A 444 GLU A 449 -1 O MET A 448 N ALA A 400 SHEET 5 A 5 MET A 435 GLU A 440 -1 N GLY A 437 O VAL A 447 SHEET 1 B 3 GLY A 454 PRO A 455 0 SHEET 2 B 3 VAL A 500 THR A 504 -1 O LEU A 502 N GLY A 454 SHEET 3 B 3 TYR A 507 ILE A 510 -1 O LYS A 509 N LEU A 501 SHEET 1 C 2 PHE A 490 VAL A 491 0 SHEET 2 C 2 LYS A 517 ALA A 518 -1 O LYS A 517 N VAL A 491 SHEET 1 D 2 TYR A 526 LYS A 527 0 SHEET 2 D 2 LYS A 548 PHE A 549 -1 O PHE A 549 N TYR A 526 SITE 1 AC1 9 VAL A 385 ALA A 400 GLU A 449 MET A 450 SITE 2 AC1 9 ALA A 451 GLU A 452 GLY A 454 LEU A 501 SITE 3 AC1 9 HOH A 825 CRYST1 39.764 85.072 90.464 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 0.025148 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011755 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011054 0.00000