6FT2

Structure of the periplasmic binding protein LAO-Q122A in complex with arginine.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Lysine/arginine/ornithine-binding periplasmic protein	polymer	246	27090.5	1	UniProt (P02911) Pfam (PF00497) In PDB	Salmonella typhimurium	LAO-binding protein
2	A	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
3	A	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4	A	ARGININE	non-polymer		175.2	1	Chemie (ARG)
5		water	water		18.0	281	Chemie (HOH)

Sequence modifications

A: 1 - 238 (UniProt: P02911)

PDB	External Database	Details
Met 0	-	initiating methionine
Ala 122	Gln 144	engineered mutation
Lys 239	-	expression tag
His 240	-	expression tag
His 241	-	expression tag
His 242	-	expression tag
His 243	-	expression tag
His 244	-	expression tag
His 245	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	27090.5
Non-Polymers*	Number of molecules	6
	Total formula weight	405.7
All*	Total formula weight	27496.2

*Water molecules are not included.