6U6D

MthK closed state with EDTA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, B...	Calcium-gated potassium channel MthK	polymer	336	37356.2	8	UniProt (O27564) Pfam (PF07885) Pfam (PF02254) Pfam (PF02080) In PDB	Methanothermobacter thermautotrophicus
2	A, C	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	298849.3
Non-Polymers*	Number of molecules	2
	Total formula weight	78.2
All*	Total formula weight	298927.5

*Water molecules are not included.