5BKK

bbTBA-bound closed MthK channel in nanodisc

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	Calcium-gated potassium channel MthK	polymer	336	37356.2	8	UniProt (O27564) Pfam (PF07885) Pfam (PF02254) Pfam (PF02080) In PDB	Methanothermobacter thermautotrophicus
2	A, G	(1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate	non-polymer		749.0	2	Chemie (PGW)
3	A, E, G	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
4	A	(~{R})-phenyl-[4-[(tributyl-$l^{4}-azanyl)methyl]phenyl]methanol	non-polymer		382.6	1	Chemie (YQ4)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	298849.3
Non-Polymers*	Number of molecules	6
	Total formula weight	1997.9
All*	Total formula weight	300847.2

*Water molecules are not included.