HEADER SIGNALING PROTEIN 18-JUN-25 9P6A TITLE THE CATALYTIC DOMAIN OF MEKK2 IN COMPLEX WITH PONATINIB COMPND MOL_ID: 1; COMPND 2 MOLECULE: MITOGEN-ACTIVATED PROTEIN KINASE KINASE KINASE 2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: MAPK/ERK KINASE KINASE 2,MEK KINASE 2,MEKK 2; COMPND 5 EC: 2.7.11.25; 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: MAP3K2, MAPKKK2, MEKK2; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS KINASE, PONATINIB, AP24534, MAP3K, MAP KINASE KINASE KINASE, KEYWDS 2 SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.J.VISH,T.J.BOGGON REVDAT 3 14-JAN-26 9P6A 1 JRNL REVDAT 2 10-DEC-25 9P6A 1 JRNL REVDAT 1 26-NOV-25 9P6A 0 JRNL AUTH K.J.VISH,C.HUET-CALDERWOOD,B.H.HA,D.A.CALDERWOOD,T.J.BOGGON JRNL TITL STRUCTURAL BASIS FOR MEKK2 DIMERIZATION AND SUBSTRATE JRNL TITL 2 RECOGNITION. JRNL REF NAT COMMUN V. 17 193 2025 JRNL REFN ESSN 2041-1723 JRNL PMID 41318559 JRNL DOI 10.1038/S41467-025-66884-5 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.41 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 28006 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.228 REMARK 3 R VALUE (WORKING SET) : 0.227 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1399 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 48.4100 - 5.1700 1.00 2825 149 0.2072 0.2006 REMARK 3 2 5.1700 - 4.1000 1.00 2693 141 0.1904 0.2070 REMARK 3 3 4.1000 - 3.5900 1.00 2676 141 0.2081 0.2423 REMARK 3 4 3.5800 - 3.2600 1.00 2648 140 0.2308 0.2856 REMARK 3 5 3.2600 - 3.0200 1.00 2630 138 0.2483 0.3016 REMARK 3 6 3.0200 - 2.8500 1.00 2648 139 0.2852 0.2945 REMARK 3 7 2.8500 - 2.7000 1.00 2653 139 0.2746 0.2716 REMARK 3 8 2.7000 - 2.5900 1.00 2602 138 0.2886 0.3127 REMARK 3 9 2.5900 - 2.4900 1.00 2618 137 0.3304 0.3885 REMARK 3 10 2.4900 - 2.4000 1.00 2614 137 0.3394 0.3297 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.350 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.290 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 59.37 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.002 4175 REMARK 3 ANGLE : 0.716 5654 REMARK 3 CHIRALITY : 0.042 604 REMARK 3 PLANARITY : 0.005 715 REMARK 3 DIHEDRAL : 13.396 1553 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9P6A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JUN-25. REMARK 100 THE DEPOSITION ID IS D_1000295670. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-NOV-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.3 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS-II REMARK 200 BEAMLINE : 17-ID-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979338 REMARK 200 MONOCHROMATOR : HORIZONTAL-BOUNCE DOUBLE-CRYSTAL REMARK 200 MONOCHROMATOR (HDCM) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28006 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 48.410 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 21.00 REMARK 200 R MERGE (I) : 0.32680 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 22.00 REMARK 200 R MERGE FOR SHELL (I) : 5.24100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.780 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: RODS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 MES PH 6, 0.5% W/V PEG 10K, 0.7 M REMARK 280 SODIUM MALONATE PH 6.3. 1.5 MG/ML PROTEIN., VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 96.82000 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 48.41000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.41000 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 96.82000 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 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 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 GLY A 321 REMARK 465 ALA A 322 REMARK 465 MET A 323 REMARK 465 GLY A 324 REMARK 465 ARG A 325 REMARK 465 ILE A 326 REMARK 465 ARG A 327 REMARK 465 ARG A 328 REMARK 465 ARG A 329 REMARK 465 GLY A 330 REMARK 465 SER A 331 REMARK 465 ASP A 332 REMARK 465 ILE A 333 REMARK 465 ASP A 334 REMARK 465 ASN A 335 REMARK 465 PRO A 336 REMARK 465 THR A 337 REMARK 465 LEU A 338 REMARK 465 THR A 339 REMARK 465 VAL A 340 REMARK 465 MET A 341 REMARK 465 ASP A 342 REMARK 465 ILE A 343 REMARK 465 SER A 344 REMARK 465 PRO A 345 REMARK 465 PRO A 346 REMARK 465 SER A 347 REMARK 465 ARG A 348 REMARK 465 SER A 349 REMARK 465 PRO A 350 REMARK 465 LYS A 506 REMARK 465 ARG A 507 REMARK 465 LEU A 508 REMARK 465 GLN A 509 REMARK 465 THR A 510 REMARK 465 ILE A 511 REMARK 465 CYS A 512 REMARK 465 LEU A 513 REMARK 465 SER A 514 REMARK 465 GLY A 515 REMARK 465 THR A 516 REMARK 465 GLY A 517 REMARK 465 MET A 518 REMARK 465 LYS A 519 REMARK 465 TYR A 618 REMARK 465 HIS A 619 REMARK 465 GLY B 321 REMARK 465 ALA B 322 REMARK 465 MET B 323 REMARK 465 GLY B 324 REMARK 465 ARG B 325 REMARK 465 ILE B 326 REMARK 465 ARG B 327 REMARK 465 ARG B 328 REMARK 465 ARG B 329 REMARK 465 GLY B 330 REMARK 465 SER B 331 REMARK 465 ASP B 332 REMARK 465 ILE B 333 REMARK 465 ASP B 334 REMARK 465 ASN B 335 REMARK 465 PRO B 336 REMARK 465 THR B 337 REMARK 465 LEU B 338 REMARK 465 THR B 339 REMARK 465 VAL B 340 REMARK 465 MET B 341 REMARK 465 ASP B 342 REMARK 465 ILE B 343 REMARK 465 SER B 344 REMARK 465 PRO B 345 REMARK 465 PRO B 346 REMARK 465 GLY B 365 REMARK 465 ALA B 366 REMARK 465 PHE B 367 REMARK 465 ASP B 390 REMARK 465 PRO B 391 REMARK 465 ASP B 392 REMARK 465 SER B 393 REMARK 465 PRO B 394 REMARK 465 GLU B 395 REMARK 465 LYS B 506 REMARK 465 ARG B 507 REMARK 465 LEU B 508 REMARK 465 GLN B 509 REMARK 465 THR B 510 REMARK 465 ILE B 511 REMARK 465 CYS B 512 REMARK 465 LEU B 513 REMARK 465 SER B 514 REMARK 465 GLY B 515 REMARK 465 THR B 516 REMARK 465 GLY B 517 REMARK 465 MET B 518 REMARK 465 LYS B 519 REMARK 465 SER B 520 REMARK 465 VAL B 521 REMARK 465 HIS B 619 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 392 -64.90 -107.15 REMARK 500 ARG A 482 -19.75 80.62 REMARK 500 GLU A 557 -11.83 82.75 REMARK 500 ARG B 482 -22.17 85.04 REMARK 500 GLU B 557 -11.27 81.05 REMARK 500 REMARK 500 REMARK: NULL DBREF 9P6A A 325 619 UNP Q9Y2U5 M3K2_HUMAN 325 619 DBREF 9P6A B 325 619 UNP Q9Y2U5 M3K2_HUMAN 325 619 SEQADV 9P6A GLY A 321 UNP Q9Y2U5 EXPRESSION TAG SEQADV 9P6A ALA A 322 UNP Q9Y2U5 EXPRESSION TAG SEQADV 9P6A MET A 323 UNP Q9Y2U5 EXPRESSION TAG SEQADV 9P6A GLY A 324 UNP Q9Y2U5 EXPRESSION TAG SEQADV 9P6A GLY B 321 UNP Q9Y2U5 EXPRESSION TAG SEQADV 9P6A ALA B 322 UNP Q9Y2U5 EXPRESSION TAG SEQADV 9P6A MET B 323 UNP Q9Y2U5 EXPRESSION TAG SEQADV 9P6A GLY B 324 UNP Q9Y2U5 EXPRESSION TAG SEQRES 1 A 299 GLY ALA MET GLY ARG ILE ARG ARG ARG GLY SER ASP ILE SEQRES 2 A 299 ASP ASN PRO THR LEU THR VAL MET ASP ILE SER PRO PRO SEQRES 3 A 299 SER ARG SER PRO ARG ALA PRO THR ASN TRP ARG LEU GLY SEQRES 4 A 299 LYS LEU LEU GLY GLN GLY ALA PHE GLY ARG VAL TYR LEU SEQRES 5 A 299 CYS TYR ASP VAL ASP THR GLY ARG GLU LEU ALA VAL LYS SEQRES 6 A 299 GLN VAL GLN PHE ASP PRO ASP SER PRO GLU THR SER LYS SEQRES 7 A 299 GLU VAL ASN ALA LEU GLU CYS GLU ILE GLN LEU LEU LYS SEQRES 8 A 299 ASN LEU LEU HIS GLU ARG ILE VAL GLN TYR TYR GLY CYS SEQRES 9 A 299 LEU ARG ASP PRO GLN GLU LYS THR LEU SER ILE PHE MET SEQRES 10 A 299 GLU TYR MET PRO GLY GLY SER ILE LYS ASP GLN LEU LYS SEQRES 11 A 299 ALA TYR GLY ALA LEU THR GLU ASN VAL THR ARG LYS TYR SEQRES 12 A 299 THR ARG GLN ILE LEU GLU GLY VAL HIS TYR LEU HIS SER SEQRES 13 A 299 ASN MET ILE VAL HIS ARG ASP ILE LYS GLY ALA ASN ILE SEQRES 14 A 299 LEU ARG ASP SER THR GLY ASN VAL LYS LEU GLY ASP PHE SEQRES 15 A 299 GLY ALA SER LYS ARG LEU GLN THR ILE CYS LEU SER GLY SEQRES 16 A 299 THR GLY MET LYS SER VAL THR GLY THR PRO TYR TRP MET SEQRES 17 A 299 SER PRO GLU VAL ILE SER GLY GLU GLY TYR GLY ARG LYS SEQRES 18 A 299 ALA ASP ILE TRP SER VAL ALA CYS THR VAL VAL GLU MET SEQRES 19 A 299 LEU THR GLU LYS PRO PRO TRP ALA GLU PHE GLU ALA MET SEQRES 20 A 299 ALA ALA ILE PHE LYS ILE ALA THR GLN PRO THR ASN PRO SEQRES 21 A 299 LYS LEU PRO PRO HIS VAL SER ASP TYR THR ARG ASP PHE SEQRES 22 A 299 LEU LYS ARG ILE PHE VAL GLU ALA LYS LEU ARG PRO SER SEQRES 23 A 299 ALA ASP GLU LEU LEU ARG HIS MET PHE VAL HIS TYR HIS SEQRES 1 B 299 GLY ALA MET GLY ARG ILE ARG ARG ARG GLY SER ASP ILE SEQRES 2 B 299 ASP ASN PRO THR LEU THR VAL MET ASP ILE SER PRO PRO SEQRES 3 B 299 SER ARG SER PRO ARG ALA PRO THR ASN TRP ARG LEU GLY SEQRES 4 B 299 LYS LEU LEU GLY GLN GLY ALA PHE GLY ARG VAL TYR LEU SEQRES 5 B 299 CYS TYR ASP VAL ASP THR GLY ARG GLU LEU ALA VAL LYS SEQRES 6 B 299 GLN VAL GLN PHE ASP PRO ASP SER PRO GLU THR SER LYS SEQRES 7 B 299 GLU VAL ASN ALA LEU GLU CYS GLU ILE GLN LEU LEU LYS SEQRES 8 B 299 ASN LEU LEU HIS GLU ARG ILE VAL GLN TYR TYR GLY CYS SEQRES 9 B 299 LEU ARG ASP PRO GLN GLU LYS THR LEU SER ILE PHE MET SEQRES 10 B 299 GLU TYR MET PRO GLY GLY SER ILE LYS ASP GLN LEU LYS SEQRES 11 B 299 ALA TYR GLY ALA LEU THR GLU ASN VAL THR ARG LYS TYR SEQRES 12 B 299 THR ARG GLN ILE LEU GLU GLY VAL HIS TYR LEU HIS SER SEQRES 13 B 299 ASN MET ILE VAL HIS ARG ASP ILE LYS GLY ALA ASN ILE SEQRES 14 B 299 LEU ARG ASP SER THR GLY ASN VAL LYS LEU GLY ASP PHE SEQRES 15 B 299 GLY ALA SER LYS ARG LEU GLN THR ILE CYS LEU SER GLY SEQRES 16 B 299 THR GLY MET LYS SER VAL THR GLY THR PRO TYR TRP MET SEQRES 17 B 299 SER PRO GLU VAL ILE SER GLY GLU GLY TYR GLY ARG LYS SEQRES 18 B 299 ALA ASP ILE TRP SER VAL ALA CYS THR VAL VAL GLU MET SEQRES 19 B 299 LEU THR GLU LYS PRO PRO TRP ALA GLU PHE GLU ALA MET SEQRES 20 B 299 ALA ALA ILE PHE LYS ILE ALA THR GLN PRO THR ASN PRO SEQRES 21 B 299 LYS LEU PRO PRO HIS VAL SER ASP TYR THR ARG ASP PHE SEQRES 22 B 299 LEU LYS ARG ILE PHE VAL GLU ALA LYS LEU ARG PRO SER SEQRES 23 B 299 ALA ASP GLU LEU LEU ARG HIS MET PHE VAL HIS TYR HIS HET 0LI A 701 39 HET 0LI B 701 39 HETNAM 0LI 3-(IMIDAZO[1,2-B]PYRIDAZIN-3-YLETHYNYL)-4-METHYL-N-{4- HETNAM 2 0LI [(4-METHYLPIPERAZIN-1-YL)METHYL]-3-(TRIFLUOROMETHYL) HETNAM 3 0LI PHENYL}BENZAM IDE HETSYN 0LI PONATINIB FORMUL 3 0LI 2(C29 H27 F3 N6 O) FORMUL 5 HOH *32(H2 O) HELIX 1 AA1 SER A 397 LYS A 411 1 15 HELIX 2 AA2 ILE A 445 GLY A 453 1 9 HELIX 3 AA3 THR A 456 ASN A 477 1 22 HELIX 4 AA4 SER A 529 SER A 534 1 6 HELIX 5 AA5 ARG A 540 GLU A 557 1 18 HELIX 6 AA6 GLU A 565 GLN A 576 1 12 HELIX 7 AA7 SER A 587 PHE A 598 1 12 HELIX 8 AA8 GLU A 600 ARG A 604 5 5 HELIX 9 AA9 SER A 606 LEU A 611 1 6 HELIX 10 AB1 ARG A 612 HIS A 617 5 6 HELIX 11 AB2 SER B 397 LYS B 411 1 15 HELIX 12 AB3 ILE B 445 GLY B 453 1 9 HELIX 13 AB4 THR B 456 ASN B 477 1 22 HELIX 14 AB5 LYS B 485 ALA B 487 5 3 HELIX 15 AB6 SER B 529 SER B 534 1 6 HELIX 16 AB7 GLY B 539 GLU B 557 1 19 HELIX 17 AB8 GLU B 565 GLN B 576 1 12 HELIX 18 AB9 SER B 587 PHE B 598 1 12 HELIX 19 AC1 GLU B 600 ARG B 604 5 5 HELIX 20 AC2 SER B 606 LEU B 611 1 6 HELIX 21 AC3 ARG B 612 HIS B 617 5 6 SHEET 1 AA1 5 TRP A 356 GLY A 365 0 SHEET 2 AA1 5 GLY A 368 ASP A 375 -1 O LEU A 372 N LYS A 360 SHEET 3 AA1 5 GLU A 381 GLN A 388 -1 O LEU A 382 N CYS A 373 SHEET 4 AA1 5 THR A 432 GLU A 438 -1 O LEU A 433 N VAL A 387 SHEET 5 AA1 5 TYR A 421 ASP A 427 -1 N GLY A 423 O PHE A 436 SHEET 1 AA2 3 GLY A 443 SER A 444 0 SHEET 2 AA2 3 ILE A 489 ARG A 491 -1 O ARG A 491 N GLY A 443 SHEET 3 AA2 3 VAL A 497 LEU A 499 -1 O LYS A 498 N LEU A 490 SHEET 1 AA3 5 TRP B 356 GLY B 363 0 SHEET 2 AA3 5 VAL B 370 ASP B 375 -1 O LEU B 372 N GLY B 359 SHEET 3 AA3 5 GLU B 381 GLN B 388 -1 O LEU B 382 N CYS B 373 SHEET 4 AA3 5 THR B 432 GLU B 438 -1 O MET B 437 N ALA B 383 SHEET 5 AA3 5 TYR B 421 ASP B 427 -1 N TYR B 422 O PHE B 436 SHEET 1 AA4 3 GLY B 443 SER B 444 0 SHEET 2 AA4 3 ILE B 489 ARG B 491 -1 O ARG B 491 N GLY B 443 SHEET 3 AA4 3 VAL B 497 LEU B 499 -1 O LYS B 498 N LEU B 490 CRYST1 91.300 91.300 145.230 90.00 90.00 120.00 P 32 2 1 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 0.010953 0.006324 0.000000 0.00000 SCALE2 0.000000 0.012647 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006886 0.00000 CONECT 4001 4021 4022 CONECT 4002 4012 4013 4015 CONECT 4003 4004 4024 CONECT 4004 4003 4005 4008 CONECT 4005 4004 4006 4026 CONECT 4006 4005 4007 CONECT 4007 4006 4025 CONECT 4008 4004 4025 CONECT 4009 4029 4030 4032 CONECT 4010 4030 4031 CONECT 4011 4031 4032 4033 CONECT 4012 4002 4031 CONECT 4013 4002 4014 CONECT 4014 4013 4039 CONECT 4015 4002 4037 CONECT 4016 4017 4021 CONECT 4017 4016 4018 CONECT 4018 4017 4019 CONECT 4019 4018 4020 CONECT 4020 4019 4021 4023 CONECT 4021 4001 4016 4020 CONECT 4022 4001 4023 CONECT 4023 4020 4022 4024 CONECT 4024 4003 4023 CONECT 4025 4007 4008 4027 CONECT 4026 4005 CONECT 4027 4025 4028 4029 CONECT 4028 4027 CONECT 4029 4009 4027 CONECT 4030 4009 4010 CONECT 4031 4010 4011 4012 CONECT 4032 4009 4011 CONECT 4033 4011 4034 4035 4036 CONECT 4034 4033 CONECT 4035 4033 CONECT 4036 4033 CONECT 4037 4015 4039 CONECT 4038 4039 CONECT 4039 4014 4037 4038 CONECT 4040 4060 4061 CONECT 4041 4051 4052 4054 CONECT 4042 4043 4063 CONECT 4043 4042 4044 4047 CONECT 4044 4043 4045 4065 CONECT 4045 4044 4046 CONECT 4046 4045 4064 CONECT 4047 4043 4064 CONECT 4048 4068 4069 4071 CONECT 4049 4069 4070 CONECT 4050 4070 4071 4072 CONECT 4051 4041 4070 CONECT 4052 4041 4053 CONECT 4053 4052 4078 CONECT 4054 4041 4076 CONECT 4055 4056 4060 CONECT 4056 4055 4057 CONECT 4057 4056 4058 CONECT 4058 4057 4059 CONECT 4059 4058 4060 4062 CONECT 4060 4040 4055 4059 CONECT 4061 4040 4062 CONECT 4062 4059 4061 4063 CONECT 4063 4042 4062 CONECT 4064 4046 4047 4066 CONECT 4065 4044 CONECT 4066 4064 4067 4068 CONECT 4067 4066 CONECT 4068 4048 4066 CONECT 4069 4048 4049 CONECT 4070 4049 4050 4051 CONECT 4071 4048 4050 CONECT 4072 4050 4073 4074 4075 CONECT 4073 4072 CONECT 4074 4072 CONECT 4075 4072 CONECT 4076 4054 4078 CONECT 4077 4078 CONECT 4078 4053 4076 4077 MASTER 340 0 2 21 16 0 0 6 4108 2 78 46 END