3FXB

Crystal structure of the ectoine-binding protein UehA

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)	TRAP dicarboxylate transporter, DctP subunit	polymer	326	36492.6	2	UniProt (Q5LUA7) Pfam (PF03480)	Silicibacter pomeroyi DSS-3
2	C, D (A, B)	(4S)-2-METHYL-1,4,5,6-TETRAHYDROPYRIMIDINE-4-CARBOXYLIC ACID	non-polymer		142.2	2	Chemie (4CS)

Sequence modifications

A, B: 1 - 312 (UniProt: Q5LUA7)

PDB	External Database	Details
Ala -13	-	expression tag
Ser -12	-	expression tag
Trp -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
Pro -8	-	expression tag
Gln -7	-	expression tag
Phe -6	-	expression tag
Glu -5	-	expression tag
Lys -4	-	expression tag
Ile -3	-	expression tag
Glu -2	-	expression tag
Gly -1	-	expression tag
Arg 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	72985.3
Non-Polymers*	Number of molecules	2
	Total formula weight	284.3
All*	Total formula weight	73269.6

*Water molecules are not included.