8TRP

Structure of a HEPES bound TRAP transporter substrate binding protein.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Isethionate-binding periplasmic protein DctP	polymer	336	37287.7	1	UniProt (Q312S0) Pfam (PF03480) In PDB	Oleidesulfovibrio alaskensis G20	TRAP transporter,DctP solute-binding subunit
2	A	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	1	Chemie (EPE)
3	A	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
4		water	water		18.0	179	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	37287.7
Non-Polymers*	Number of molecules	3
	Total formula weight	362.4
All*	Total formula weight	37650.1

*Water molecules are not included.