1MMY

Crystal structure of galactose mutarotase from Lactococcus lactis complexed with D-quinovose

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)	Aldose 1-epimerase	polymer	347	38623.0	2	UniProt (Q9ZB17) Pfam (PF01263)	Lactococcus lactis	galactose mutarotase
2	C, E (A, B)	alpha-D-quinovopyranose	non-polymer		164.2	2	Chemie (G6D)
3	D (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
4	F, G (A, B)	water	water		18.0	454	Chemie (HOH)

Sequence modifications

A, B: 1 - 339 (UniProt: Q9ZB17)

PDB	External Database	Details
Ser 2	Glu 2	engineered mutation
Leu 340	-	expression tag
Glu 341	-	expression tag
His 342	-	expression tag
His 343	-	expression tag
His 344	-	expression tag
His 345	-	expression tag
His 346	-	expression tag
His 347	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	77245.9
Non-Polymers*	Number of molecules	3
	Total formula weight	351.3
All*	Total formula weight	77597.2

*Water molecules are not included.