5GQF

Crystal structure of lacto-N-biosidase LnbX from Bifidobacterium longum subsp. longum, lacto-N-biose complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Lacto-N-biosidase	polymer	606	66090.4	2	UniProt (A0A024QYS6) In PDB	Bifidobacterium longum subsp. longum
2	C, D	beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		383.3	2	In PDB GlyTouCan (G00056MO)
3	A, B	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4		water	water		18.0	1110	Chemie (HOH)

Sequence modifications

A, B: 31 - 625 (UniProt: A0A024QYS6)

PDB	External Database	Details
Met 30	-	expression tag
Ala 626	-	expression tag
Ala 627	-	expression tag
Leu 628	-	expression tag
Glu 629	-	expression tag
His 630	-	expression tag
His 631	-	expression tag
His 632	-	expression tag
His 633	-	expression tag
His 634	-	expression tag
His 635	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	132180.8
Branched	Number of molecules	2
	Total formula weight	766.7
Non-Polymers*	Number of molecules	4
	Total formula weight	160.3
All*	Total formula weight	133107.8

*Water molecules are not included.