5WZN

Alpha-N-acetylgalactosaminidase NagBb from Bifidobacterium bifidum - GalNAc 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	Alpha-N-acetylgalactosaminidase	polymer	640	72232.8	2	UniProt (G5ELM1) Pfam (PF18952) In PDB	Bifidobacterium bifidum
2	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	A, B	2-acetamido-2-deoxy-alpha-D-galactopyranose	non-polymer		221.2	2	Chemie (A2G)
4	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
5		water	water		18.0	495	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
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	144465.5
Non-Polymers*	Number of molecules	6
	Total formula weight	653.4
All*	Total formula weight	145118.9

*Water molecules are not included.