4LP8

A Novel Open-State Crystal Structure of the Prokaryotic Inward Rectifier KirBac3.1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Inward rectifier potassium channel Kirbac3.1	polymer	301	33879.0	1	UniProt (D9N164) Pfam (PF07885) Pfam (PF17655) In PDB	Magnetospirillum magnetotacticum
2	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
3	A	POTASSIUM ION	non-polymer		39.1	8	Chemie (K)
4	A	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
5		water	water		18.0	187	Chemie (HOH)

Sequence modifications

A: 1 - 295 (UniProt: D9N164)

PDB	External Database	Details
Arg 129	Ser 129	engineered mutation
Leu 205	Ser 205	engineered mutation
His 296	-	expression tag
His 297	-	expression tag
His 298	-	expression tag
His 299	-	expression tag
His 300	-	expression tag
His 301	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	33879.0
Non-Polymers*	Number of molecules	12
	Total formula weight	525.3
All*	Total formula weight	34404.2

*Water molecules are not included.