2024-12-14_00000272|ligand|8VB5

Crystal structure of kinase domain of HER2 Exon 20 insertion mutant in complex with tucatinib; X-ray diffraction 1.48Å
Protein #1 342 residues (85% resolved)

MSGAAPNQALLRILKETELRKVKVLGSGAFGTVYKGIWIPDGENVKIPVAIKVLRENTSPKANKEILDEAYVMAYVMAGVGSPYVSRLLGICLTSTVQLVTQLMPYGCLLDHVRENRGRLGSQDLLNWCMQIAKGMSYLEDVRLVHRDLAARNVLVKSPNHVKITDFGLARLLDIDETEYHADGGKVPIKWMALESILRRRFTHQSDVWSYGVTVWELMTFGAKPYDGIPAREIPDLLEKGERLPQPPICTIDVYMIMVKCWMIDSECRPRFRELVSEFSRMARDPQRFVVIQNEDLGPASPLDSTFYRSLLEDDDMGDLVDAEEYLVPQQGAAASHHHHHH

MSGAAPNQALLRILKETELRKVKVLGSGAFGTVYKGIWIPDGENVKIPVAIKVLRENTSPKANKEILDEAYVMAYVMAGVGSPYVSRLLGICLTSTVQLVTQLMPYGCLLDHVRENRGRLGSQDLLNWCMQIAKGMSYLEDVRLVHRDLAARNVLVKSPNHVKITDFGLARLLDIDETEYHADGGKVPIKWMALESILRRRFTHQSDVWSYGVTVWELMTFGAKPYDGIPAREIPDLLEKGERLPQPPICTIDVYMIMVKCWMIDSECRPRFRELVSEFSRMARDPQRFVVIQNEDLGPASPLDSTFYRSLLEDDDMGDLVDAEEYLVPQQGAAASHHHHHH
Non polymer #2 A1AAC

InChI=1S/C26H24N8O2/c1-16-10-17(5-7-22(16)36-19-8-9-34-23(12-19)28-15-30-34)31-24-20-11-18(4-6-21(20)27-14-29-24)32-25-33-26(2,3)13-35-25/h4-12,14-15H,13H2,1-3H3,(H,32,33)(H,27,29,31)

Cc1cc(ccc1Oc2ccn3c(c2)ncn3)Nc4c5cc(ccc5ncn4)NC6=NC(CO6)(C)C
Non polymer #3 CL

InChI=1S/ClH/h1H/p-1

[Cl-]
Non polymer #4 EDO

InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

C(CO)O
Non polymer #5 PEG

InChI=1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2

C(COCCO)O
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Reference