2ZUV

Crystal structure of Galacto-N-biose/Lacto-N-biose I phosphorylase in complex with GlcNAc, Ethylene glycol, and nitrate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Lacto-N-biose phosphorylase	polymer	759	85484.1	2	UniProt (Q5NU17) Pfam (PF09508) Pfam (PF17385) Pfam (PF17386) UniProt (by SIFTS) (E8MF13) In PDB	Bifidobacterium longum	Galacto-N-biose/lacto-N-biose I phosphorylase
2	A, B	2-acetamido-2-deoxy-alpha-D-glucopyranose	non-polymer		221.2	2	Chemie (NDG)
3	A, B	NITRATE ION	non-polymer		62.0	5	Chemie (NO3)
4	A, B	1,2-ETHANEDIOL	non-polymer		62.1	9	Chemie (EDO)
5	A, B	MAGNESIUM ION	non-polymer		24.3	8	Chemie (MG)
6		water	water		18.0	1826	Chemie (HOH)

Sequence modifications

A, B: 1 - 751 (UniProt: Q5NU17)

PDB	External Database	Details
Leu 752	-	expression tag
Glu 753	-	expression tag
His 754	-	expression tag
His 755	-	expression tag
His 756	-	expression tag
His 757	-	expression tag
His 758	-	expression tag
His 759	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	170968.1
Non-Polymers*	Number of molecules	24
	Total formula weight	1505.5
All*	Total formula weight	172473.6

*Water molecules are not included.