6O9V

KirBac3.1 mutant at a resolution of 3.1 Angstroms

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)	Inward rectifier potassium channel Kirbac3.1	polymer	301	33730.7	2	UniProt (D9N164)	Magnetospirillum magnetotacticum
2	C, J (A, B)	trimethylamine oxide	non-polymer		75.1	2	Chemie (TMO) PubChem (1145)
3	D, E, F (A)	POTASSIUM ION	non-polymer		39.1	3	Chemie (K) PubChem (813)
4	G, K (A, B)	DECYLAMINE-N,N-DIMETHYL-N-OXIDE	non-polymer		201.3	2	Chemie (DDQ) PubChem (62452)
5	H, I (B)	1,1-Methanediyl Bismethanethiosulfonate	non-polymer		236.4	2	Chemie (M1M) PubChem (4251850)
6	L, M (A, B)	water	water		18.0	21	Chemie (HOH)

Sequence modifications

A, B: 1 - 295 (UniProt: D9N164)

PDB	External Database	Details
Val 71	Cys 71	engineered mutation
Val 119	Cys 119	engineered mutation
Cys 129	Ser 129	engineered mutation
Cys 135	Phe 135	engineered mutation
Ser 262	Cys 262	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	2
	Total formula weight	67461.4
Non-Polymers*	Number of molecules	9
	Total formula weight	1142.9
All*	Total formula weight	68604.3

*Water molecules are not included.