4HPF

Structure of the human SLO3 gating ring

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Potassium channel subfamily U member 1	polymer	722	81220.7	2	UniProt (A8MYU2) Pfam (PF22614) Pfam (PF03493) Pfam (PF21014) In PDB	Homo sapiens (human)	Calcium-activated potassium channel subunit alpha-3, Calcium-activated potassium channel, subfamily M subunit alpha-3, KCa5, Slowpoke homolog 3

Sequence modifications

A, B: 330 - 851 (UniProt: A8MYU2)

PDB	External Database	Details
Met 329	-	initiating methionine

A, B: 852 - 1062 (UniProt: A8MYU2)

PDB	External Database	Details
Ser 1063	-	expression tag
Asn 1064	-	expression tag
Ser 1065	-	expression tag
Leu 1066	-	expression tag
Glu 1067	-	expression tag
Val 1068	-	expression tag
Leu 1069	-	expression tag
Phe 1070	-	expression tag
Gln 1071	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	162441.4
All*	Total formula weight	162441.4

*Water molecules are not included.