8GUD

Cryo-EM structure of cancer-specific PI3Kalpha mutant E545K in complex with BYL-719

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform	polymer	1096	127822.6	1	UniProt (P42336) Pfam (PF02192) Pfam (PF00794) Pfam (PF00792) Pfam (PF00613) Pfam (PF00454) In PDB	Homo sapiens (human)	PI3-kinase subunit alpha,PI3K-alpha,PI3Kalpha,PtdIns-3-kinase subunit alpha,Phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit alpha,PtdIns-3-kinase subunit p110-alpha,p110alpha,Phosphoinositide 3-kinase alpha,Phosphoinositide-3-kinase catalytic alpha polypeptide,Serine/threonine protein kinase PIK3CA
2	A	(2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide	non-polymer		441.5	1	Chemie (1LT)

Sequence modifications

A: 1 - 1068 (UniProt: P42336)

PDB	External Database	Details
Met -27	-	initiating methionine
Ser -26	-	expression tag
Tyr -25	-	expression tag
Tyr -24	-	expression tag
His -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
Asp -17	-	expression tag
Tyr -16	-	expression tag
Asp -15	-	expression tag
Ile -14	-	expression tag
Pro -13	-	expression tag
Thr -12	-	expression tag
Thr -11	-	expression tag
Glu -10	-	expression tag
Asn -9	-	expression tag
Leu -8	-	expression tag
Tyr -7	-	expression tag
Phe -6	-	expression tag
Gln -5	-	expression tag
Gly -4	-	expression tag
Ala -3	-	expression tag
Met -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Lys 545	Glu 545	variant

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	127822.6
Non-Polymers*	Number of molecules	1
	Total formula weight	441.5
All*	Total formula weight	128264.1

*Water molecules are not included.