5MRW

Structure of the KdpFABC complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E, I	Potassium-transporting ATPase potassium-binding subunit	polymer	557	59247.7	3	UniProt (P03959) Pfam (PF03814) In PDB	Escherichia coli	ATP phosphohydrolase [potassium-transporting] A chain,Potassium-binding and translocating subunit A,Potassium-translocating ATPase A chain
2	B, F, J	Potassium-transporting ATPase ATP-binding subunit	polymer	674	71417.7	3	UniProt (P03960) Pfam (PF00122) Pfam (PF00702) In PDB	Escherichia coli	ATP phosphohydrolase [potassium-transporting] B chain,Potassium-binding and translocating subunit B,Potassium-translocating ATPase B chain
3	C, G, K	Potassium-transporting ATPase KdpC subunit	polymer	187	20005.7	3	UniProt (A0A085P4P2) Pfam (PF02669) UniProt (by SIFTS) (P03961) In PDB	Escherichia coli	ATP phosphohydrolase [potassium-transporting] C chain,Potassium-binding and translocating subunit C,Potassium-translocating ATPase C chain
4	D, H, L	Potassium-transporting ATPase KdpF subunit	polymer	27	2853.5	3	UniProt (P36937) Pfam (PF09604) In PDB	Escherichia coli	ATP phosphohydrolase [potassium-transporting] F chain,Potassium-binding and translocating subunit F,Potassium-translocating ATPase F chain
5	A, E, I	POTASSIUM ION	non-polymer		39.1	3	Chemie (K)
6	A, E, H, I	1,2-DIMYRISTOYL-SN-GLYCERO-3-PHOSPHOCHOLINE	non-polymer		678.9	6	Chemie (PX4)
7	A, B, E, I	octyl beta-D-glucopyranoside	non-polymer		292.4	4	Chemie (BOG)
8		water	water		18.0	3	Chemie (HOH)

Sequence modifications

A, E, I: 1 - 557 (UniProt: P03959)

PDB	External Database	Details
Arg 116	Gln 116	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	460573.6
Non-Polymers*	Number of molecules	13
	Total formula weight	5360.4
All*	Total formula weight	465934.0

*Water molecules are not included.