8OXC

Cryo-EM structure of ATP8B1-CDC50A in E2-Pi conformation with occluded PI

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Phospholipid-transporting ATPase IC	polymer	1185	136283.5	1	UniProt (O43520) Pfam (PF16209) Pfam (PF00122) Pfam (PF13246) Pfam (PF16212)	Homo sapiens (human)	ATPase class I type 8B member 1,Familial intrahepatic cholestasis type 1,P4-ATPase flippase complex alpha subunit ATP8B1
2	B (B)	Cell cycle control protein 50A	polymer	365	41086.0	1	UniProt (Q9NV96) Pfam (PF03381)	Homo sapiens (human)	P4-ATPase flippase complex beta subunit TMEM30A,Transmembrane protein 30A
3	C (C)	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	1	In PDB GlyTouCan (G15407YE)
4	D (A)	oxido(dioxo)vanadium	non-polymer		98.9	1	Chemie (VN4)
5	E (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
6	F (A)	1,2-DIACYL-SN-GLYCERO-3-PHOSPHOINOSITOL	non-polymer		836.1	1	Chemie (PIE)
7	G, H (B)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
8	I (A)	water	water		18.0	11	Chemie (HOH)

Sequence modifications

A: 1 - 1185 (UniProt: O43520)

PDB	External Database	Details
Thr 1152	Ala 1152	variant

B: 1 - 361 (UniProt: Q9NV96)

PDB	External Database	Details
Met -3	-	initiating methionine
Leu -2	-	expression tag
Gly -1	-	expression tag
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	177369.5
Branched	Number of molecules	1
	Total formula weight	586.5
Non-Polymers*	Number of molecules	5
	Total formula weight	1401.7
All*	Total formula weight	179357.7

*Water molecules are not included.