Mechanism	Inverting e
3D Structure Status	lysozyme fold
Catalytic Nucleophile/Base	probably Asp
Catalytic Proton Donor	probably Glu
External resources	CAZypedia; HOMSTRAD;
Statistics	GenBank accession (1843); Uniprot accession (28); PDB accession (12); 3D entries (7); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)
chitosanase (Csn;BSU26890)	3.2.1.132	Bacillus subtilis subsp. subtilis str. 168	CAB14630.1 AAB80882.1 ACX55933.1 AIY94013.1 AQR82709.1 AQR86924.1 CAA63455.1 CAX30779.1 NP_390566.1	A0A6M3ZEB4 B9W6G0 O07921	7C6C[A] 1.26 7C6D[A] β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN 1.45
chitosanase (GsCsn46A; YC6258_05941)	3.2.1.132	Gynuella sunshinyii YC6258	AJQ97965.1	A0A0C5VFC0	6LWU[A] β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN 2.42 6X2Q[A] β-D-4-deoxy-GlcpN β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN 2.27
chitosanase OU01	3.2.1.132	Microbacterium sp. OU01	ABM91442.1	A7KBW5 E1AXU1 Q8KZM5	4OLT[A,B] β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN 1.59 4QWP[A,B] β-D-GlcpN-(1-4)-β-D-GlcpN β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-FucpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN 1.70
chitosanase (Csn;Cho1)	3.2.1.132	Niallia circulans MH-K1	BAA01474.2	P33673	1QGI[A] β-D-4-deoxy-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpNAc 1.60 2D05[A] 2.00 5HWA[A] β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN-(1-4)-β-D-GlcpN 1.35
chitosanase		Paenibacillus dendritiformis	WP_006679998.1		7XH0[A] 1.68
chitosanase (Cns;Chs;CsnN174)	3.2.1.132	Streptomyces sp. N174	AAA19865.1	P33665	1CHK[A] 2.40
chitosanase (SACTE_5457)	3.2.1.132	Streptomyces sp. SirexAA-E	AEN13266.1	G2NRC4	4ILY[A,B] 1.83
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