5E9T

Crystal structure of GtfA/B complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Glycosyltransferase Gtf1	polymer	503	58399.2	2	UniProt (Q9AET5) Pfam (PF22145) Pfam (PF00534) In PDB	Streptococcus gordonii	Glycosyltransferase GtfA
2	B, D	Glycosyltransferase-stabilizing protein Gtf2	polymer	447	51635.8	2	UniProt (Q79T00) In PDB	Streptococcus gordonii	Glycosyltransferase chaperone GtfB,orf4
3	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4		water	water		18.0	34	Chemie (HOH)

Sequence modifications

A, C: 2 - 503 (UniProt: Q9AET5)

PDB	External Database	Details
Ser 1	-	expression tag
Phe 124	Ser 124	engineered mutation

B, D: 2 - 447 (UniProt: Q79T00)

PDB	External Database	Details
Mse 1	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	220070.1
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	220118.7

*Water molecules are not included.