4AK2

Structure of BT4661, a SusE-like surface located polysaccharide binding protein from the Bacteroides thetaiotaomicron heparin utilisation locus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	BT_4661	polymer	288	32005.7	1	UniProt (Q89YS0) Pfam (PF16319)	BACTEROIDES THETAIOTAOMICRON
2	B (B)	2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose	branched		1750.4	1	In PDB GlyTouCan (G30141AL)
3	C, D (A)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
4	E (A)	water	water		18.0	376	Chemie (HOH)

Sequence modifications

A: 422 - 700 (UniProt: Q89YS0)

PDB	External Database	Details
Met 421	-	expression tag
Leu 701	-	expression tag
Glu 702	-	expression tag
His 703	-	expression tag
His 704	-	expression tag
His 705	-	expression tag
His 706	-	expression tag
His 707	-	expression tag
His 708	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	32005.7
Branched	Number of molecules	1
	Total formula weight	1750.4
Non-Polymers*	Number of molecules	2
	Total formula weight	46.0
All*	Total formula weight	33802.1

*Water molecules are not included.