2W1U

A family 32 carbohydrate-binding module, from the Mu toxin produced by Clostridium perfringens, in complex with beta-D-glcNAc-beta(1,3) galNAc

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 (A, B, C, D)	HYALURONOGLUCOSAMINIDASE	polymer	192	21395.6	4	UniProt (P26831) Pfam (PF00754)	CLOSTRIDIUM PERFRINGENS	FAMILY 84 GLYCOSIDE HYDROLASE, MU TOXIN
2	E, F, H (E, F, H)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-galactopyranose	branched		424.4	3	In PDB GlyTouCan (G75113PZ)
3	G (G)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-alpha-D-galactopyranose	branched		424.4	1	In PDB GlyTouCan (G00035MO)
4	I, J, L, N (A, B, C, D)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
5	K, M, O (B, C, D)	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
6	P, Q, R, S (A, B, C, D)	water	water		18.0	701	Chemie (HOH)

Sequence modifications

A, B, C, D: 784 - 806 (PDB: 2W1U)
A, B, C, D: 807 - 975 (UniProt: P26831)

PDB	External Database	Details
Val 944	Ile 944	variant

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	85582.2
Branched	Number of molecules	4
	Total formula weight	1697.6
Non-Polymers*	Number of molecules	7
	Total formula weight	337.4
All*	Total formula weight	87617.3

*Water molecules are not included.