8E77

rystal structure of Pcryo_0616, the aminotransferase required to synthesize UDP-N-acetyl-3-amino-D-glucosaminuronic acid (UDP-GlcNAc3NA), incomplete with its external aldimine reaction intermediate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DegT/DnrJ/EryC1/StrS aminotransferase	polymer	380	42013.5	1	UniProt (Q1QD54) Pfam (PF01041) In PDB	Psychrobacter cryohalolentis K5	UDP-N-acetyl-3-amino-D-glucosaminuronic acid transaminase
2	A	(2S,3S,4R,5R,6R)-5-(acetylamino)-6-{[(R)-{[(S)-{[(2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methoxy}(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]oxy}-3-hydroxy-4-{[(1E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}tetrahydro-2H-pyran-2-carboxylic acid (non-preferred name)	non-polymer		849.5	1	Chemie (ULP)
3	A	1,2-ETHANEDIOL	non-polymer		62.1	6	Chemie (EDO)
4	A	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
5		water	water		18.0	694	Chemie (HOH)

Sequence modifications

A: 1 - 358 (UniProt: Q1QD54)

PDB	External Database	Details
Met -21	-	initiating methionine
Gly -20	-	expression tag
Ser -19	-	expression tag
Ser -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
Glu -9	-	expression tag
Asn -8	-	expression tag
Leu -7	-	expression tag
Tyr -6	-	expression tag
Phe -5	-	expression tag
Gln -4	-	expression tag
Gly -3	-	expression tag
Gly -2	-	expression tag
Gly -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	42013.5
Non-Polymers*	Number of molecules	9
	Total formula weight	1267.9
All*	Total formula weight	43281.3

*Water molecules are not included.