7CJ7

Crystal structure of homo dimeric D-allulose 3-epimerase from Methylomonas sp. in complex with L-tagatose

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)	Epimerase	polymer	294	32307.3	2	UniProt (A0A172U6X0) Pfam (PF01261)	Methylomonas sp. DH-1
2	C (A)	L-sorbose	non-polymer		180.2	1	Chemie (SOL)
3	D, G (A, B)	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
4	E (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	F (B)	(2R,3R,4R,5S)-2-(hydroxymethyl)oxane-2,3,4,5-tetrol	non-polymer		180.2	1	Chemie (FZU)
6	H (B)	L-tagatose	non-polymer		180.2	1	Chemie (LTG)
7	I, J (A, B)	water	water		18.0	231	Chemie (HOH)

Sequence modifications

A, B: 1 - 286 (UniProt: A0A172U6X0)

PDB	External Database	Details
Gly 287	-	expression tag
Ser 288	-	expression tag
His 289	-	expression tag
His 290	-	expression tag
His 291	-	expression tag
His 292	-	expression tag
His 293	-	expression tag
His 294	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	64614.5
Non-Polymers*	Number of molecules	6
	Total formula weight	674.6
All*	Total formula weight	65289.2

*Water molecules are not included.