8OX8

Cryo-EM structure of ATP8B1-CDC50A in E2P autoinhibited "open" conformation

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Phospholipid-transporting ATPase IC	polymer	1251	143976.8	1	UniProt (O43520) Pfam (PF16209) Pfam (PF00122) Pfam (PF13246) Pfam (PF16212) In PDB	Homo sapiens (human)	ATPase class I type 8B member 1,Familial intrahepatic cholestasis type 1,P4-ATPase flippase complex alpha subunit ATP8B1
2	B	Cell cycle control protein 50A	polymer	365	41086.0	1	UniProt (Q9NV96) Pfam (PF03381) In PDB	Homo sapiens (human)	P4-ATPase flippase complex beta subunit TMEM30A,Transmembrane protein 30A
3	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	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	A	(2R)-3-{[(R)-{[(1S,2S,3R,4S,5S,6S)-2,6-dihydroxy-3,4,5-tris(phosphonooxy)cyclohexyl]oxy}(hydroxy)phosphoryl]oxy}propane -1,2-diyl dioctanoate	non-polymer		826.5	1	Chemie (IP9)
6	B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
7		water	water		18.0	1	Chemie (HOH)

Sequence modifications

A: 1 - 1251 (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	185062.8
Branched	Number of molecules	1
	Total formula weight	586.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1293.3
All*	Total formula weight	186942.6

*Water molecules are not included.