2ZZV

Crystal Structure of a Periplasmic Substrate Binding Protein in Complex with Calcium and Lactate

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)	ABC transporter, solute-binding protein	polymer	361	40812.0	2	UniProt (Q5SK82) Pfam (PF03480)	Thermus thermophilus
2	C, E (A, B)	LACTIC ACID	non-polymer		90.1	2	Chemie (LAC)
3	D, F (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	G, H (A, B)	water	water		18.0	940	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	81624.0
Non-Polymers*	Number of molecules	4
	Total formula weight	260.3
All*	Total formula weight	81884.3

*Water molecules are not included.