6TBK

Structure of a beta galactosidase with inhibitor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	Beta-galactosidase, putative, bgl35A	polymer	550	62127.0	8	UniProt (B3PBE0) Pfam (PF02449) Pfam (PF18120) In PDB	Cellvibrio japonicus Ueda107
2	D, E, A, F, B...	SODIUM ION	non-polymer		23.0	32	Chemie (NA)
3	D, E, A, F, B...	5-(dimethylamino)-~{N}-[6-[(2~{R},3~{R},4~{S},5~{R})-3-(hydroxymethyl)-4,5-bis(oxidanyl)piperidin-2-yl]hexyl]naphthalene-1-sulfonamide	non-polymer		479.6	8	Chemie (N0Q)
4		water	water		18.0	2502	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H: 36 - 575 (UniProt: B3PBE0)

PDB	External Database	Details
Met 26	-	initiating methionine
Gly 27	-	expression tag
Ser 28	-	expression tag
Ser 29	-	expression tag
His 30	-	expression tag
His 31	-	expression tag
His 32	-	expression tag
His 33	-	expression tag
His 34	-	expression tag
His 35	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	497016.2
Non-Polymers*	Number of molecules	40
	Total formula weight	4572.7
All*	Total formula weight	501588.9

*Water molecules are not included.