5WZQ

Alpha-N-acetylgalactosaminidase NagBb from Bifidobacterium bifidum - quadruple mutant

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)	Alpha-N-acetylgalactosaminidase	polymer	640	71987.6	2	UniProt (G5ELM1) Pfam (PF18952)	Bifidobacterium bifidum
2	C, E (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, F (A, B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	G, H (A, B)	water	water		18.0	832	Chemie (HOH)

Sequence modifications

A, B: 1 - 634 (UniProt: G5ELM1)

PDB	External Database	Details
Ala 271	His 271	engineered mutation
Ala 320	His 320	engineered mutation
Ala 322	Asp 322	engineered mutation
Ala 366	His 366	engineered mutation
His 635	-	expression tag
His 636	-	expression tag
His 637	-	expression tag
His 638	-	expression tag
His 639	-	expression tag
His 640	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	143975.1
Non-Polymers*	Number of molecules	4
	Total formula weight	315.0
All*	Total formula weight	144290.1

*Water molecules are not included.