9OLD

Crystal structure of alpha-NPG-bound D59C MelBSt

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Melibiose permease	polymer	485	54092.5	1	UniProt (P30878)	Salmonella enterica subsp. enterica serovar Typhimurium	Melibiose carrier,Melibiose transporter,Melibiose/cation symporter,Na+ (Li+)/melibiose symporter,Thiomethylgalactoside permease II
2	B (A)	PENTAETHYLENE GLYCOL	non-polymer		238.3	1	Chemie (1PE)
3	C (A)	4-nitrophenyl alpha-D-galactopyranoside	non-polymer		301.2	1	Chemie (9PG)
4	D (A)	water	water		18.0	5	Chemie (HOH)

Sequence modifications

A: 2 - 476 (UniProt: P30878)

PDB	External Database	Details
Met 5	Leu 5	conflict
Cys 59	Asp 59	conflict
His 477	-	expression tag
His 478	-	expression tag
His 479	-	expression tag
His 480	-	expression tag
His 481	-	expression tag
His 482	-	expression tag
His 483	-	expression tag
His 484	-	expression tag
His 485	-	expression tag
His 486	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	54092.5
Non-Polymers*	Number of molecules	2
	Total formula weight	539.5
All*	Total formula weight	54632.0

*Water molecules are not included.