7ZPO

native KtrAB complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	H, D, E, F, A...	Ktr system potassium uptake protein A	polymer	220	23836.9	8	UniProt (O87952) Pfam (PF02254) Pfam (PF02080) In PDB	Vibrio alginolyticus	K(+)-uptake protein KtrA
2	I, M	Ktr system potassium uptake protein B	polymer	455	49707.7	2	UniProt (O87953) Pfam (PF02386) In PDB	Vibrio alginolyticus	K(+)-uptake protein KtrB
3	H, D, E, F, A...	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	8	Chemie (ADP)
4	D, E	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	I, M	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	4	Chemie (LMT)
6	I, M	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	290110.8
Non-Polymers*	Number of molecules	16
	Total formula weight	5586.9
All*	Total formula weight	295697.7

*Water molecules are not included.