5UM4

Crystal structure of the F255A mutant Kir3.1 cytoplasmic pore domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	G protein-activated inward rectifier potassium channel 1	polymer	210	24046.4	1	UniProt (H9GIV0) UniProt (P63250) Pfam (PF17655) In PDB	Anolis carolinensis (Green anole)	GIRK-1,Inward rectifier K(+) channel Kir3.1,Potassium channel,inwardly rectifying subfamily J member 3
2		water	water		18.0	27	Chemie (HOH)

Sequence modifications

A: 41 - 63 (UniProt: H9GIV0)

PDB	External Database	Details
Gly 35	-	expression tag
Pro 36	-	expression tag
Asp 37	-	expression tag
Asp 38	-	expression tag
His 39	-	expression tag
Met 40	-	expression tag

A: 190 - 370 (UniProt: P63250)

PDB	External Database	Details
Ala 255	Phe 255	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	24046.4
All*	Total formula weight	24046.4

*Water molecules are not included.