4XFK

Crystal structure of Leucine-, Isoleucine-, Valine-, Threonine-, and Alanine-binding protein from Brucella ovis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Putative branched chain amino acid ABC transporter, periplasmic amino acid-binding protein	polymer	399	43109.5	1	UniProt (A5VTF2) Pfam (PF13458) UniProt (by SIFTS) (A0A0J9X260)	Brucella ovis
2	B, C (A)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
3	D, E (A)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
4	F (A)	water	water		18.0	523	Chemie (HOH)

Sequence modifications

A: 81 - 471 (UniProt: A5VTF2)

PDB	External Database	Details
Met 73	-	initiating methionine
Ala 74	-	expression tag
His 75	-	expression tag
His 76	-	expression tag
His 77	-	expression tag
His 78	-	expression tag
His 79	-	expression tag
His 80	-	expression tag
Arg 213	His 213	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	43109.5
Non-Polymers*	Number of molecules	4
	Total formula weight	164.1
All*	Total formula weight	43273.6

*Water molecules are not included.