9KQF

Cryo-EM structure of PSS1 in the absence of calcium or L-serine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Phosphatidylserine synthase 1	polymer	473	55590.4	2	UniProt (P48651) Pfam (PF03034)	Homo sapiens (human)	PSS-1,PtdSer synthase 1,Serine-exchange enzyme I
2	C, D, O, P (A, B)	1,2-DICAPROYL-SN-PHOSPHATIDYL-L-SERINE	non-polymer		455.4	4	Chemie (PSF) PubChem (17754227) PubChem (44354119) PubChem (101771308) PubChem (15409343) PubChem (9547083) PubChem (9547088)
3	E, F, I, J, K... (A, B)	1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine	non-polymer		760.1	10	Chemie (LBN)
4	G, S (A, B)	DODECANE	non-polymer		170.3	2	Chemie (D12) PubChem (8182) PubChem (5359624)
5	H, T (A, B)	TETRADECANE	non-polymer		198.4	2	Chemie (C14) PubChem (12389)
6	L, N (A, B)	Phosphatidylinositol	non-polymer		887.1	2	Chemie (T7X) PubChem (21226108) PubChem (42607491) PubChem (174696) PubChem (72280035) PubChem (101025742) PubChem (101668931) PubChem (102207642) PubChem (10260108) PubChem (134744895) PubChem (154815683) PubChem (162368813) PubChem (59423079) PubChem (71581204) PubChem (123819699) PubChem (6441989) PubChem (137350037) PubChem (162371041) PubChem (172878298)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	111180.8
Non-Polymers*	Number of molecules	20
	Total formula weight	11934.2
All*	Total formula weight	123115.0

*Water molecules are not included.