4PQG

Crystal structure of the pneumococcal O-GlcNAc transferase GtfA in complex with UDP and GlcNAc

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)	Glycosyltransferase Gtf1	polymer	511	58859.7	2	UniProt (Q97P84) Pfam (PF22145) Pfam (PF13692) UniProt (by SIFTS) (A0A0H2URG7)	Streptococcus pneumoniae
2	C, E (A, B)	URIDINE-5'-DIPHOSPHATE	non-polymer		404.2	2	Chemie (UDP)
3	D, F (A, B)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
4	G, H (A, B)	water	water		18.0	667	Chemie (HOH)

Sequence modifications

A, B: 1 - 503 (UniProt: Q97P84)

PDB	External Database	Details
Met -7	-	initiating methionine
Gly -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	117719.4
Non-Polymers*	Number of molecules	4
	Total formula weight	1250.7
All*	Total formula weight	118970.2

*Water molecules are not included.