4ZXE

X-ray crystal structure of chitosan-binding module 1 derived from chitosanase/glucanase from Paenibacillus sp. IK-5.

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 (A, B, C)	Glucanase/Chitosanase	polymer	137	15053.3	3	UniProt (Q93IE7) Pfam (PF00754)	Paenibacillus fukuinensis
2	D, E, F, H, I... (A, B, C)	1,2-ETHANEDIOL	non-polymer		62.1	18	Chemie (EDO)
3	G, N, X, Y (A, B, C)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	AA, BA, Z (B, C, A)	water	water		18.0	625	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 130 (UniProt: Q93IE7)

PDB	External Database	Details
Met -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	45159.9
Non-Polymers*	Number of molecules	22
	Total formula weight	1501.5
All*	Total formula weight	46661.4

*Water molecules are not included.