Glycoside Hydrolase Family 75

Activities in Family	Chitosanase (EC 3.2.1.132);
Mechanism	Inverting e
Catalytic Nucleophile/Base	probably Asp
Catalytic Proton Donor	probably Glu
Note	mechanism and catalytic residues in Cheng et al. (2006) J. Biol. Chem. 281:3137-3144 (PMID: 16330537)
External resources	CAZypedia;
Statistics	GenBank accession (714); Uniprot accession (15); PDB accession (5); 3D entries (1); cryst (0)

Summary

Download GH75 (1471) Taxonomic display Structure (1) Characterized (15)


Bacteria
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D
chitosanase (SaCsn75A; SAV1850; SAV_1850) (Csn75A)	3.2.1.132	pubmed	Streptomyces avermitilis MA-4680 = NBRC 14893	BAC69561.1 NP_823026.1	Q82M10
Eukaryota
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D
chitosanase (CsnW2)	3.2.1.132	pubmed	Aspergillus clavatus W-2 / CGMCC7018	AJG44374.1	A0A0B5L773
chitosanase II (Csn;CsnB;AfCsnB;AFUA_4G01290)	3.2.1.132	pubmed	Aspergillus fumigatus Af293	EAL84291.1
chitosanase (Csn)	3.2.1.132	doi	Aspergillus fumigatus NCPF7367 = ATCC 46645	CAE54966.1	Q709P2 Q875I9
chitosanase II (Csn)	3.2.1.132	pubmed	Aspergillus fumigatus Y2K	AAO41660.1 AAD26111.1	Q875I9 Q9Y760
chitosanase C (CsnC)	3.2.1.132	pubmed	Aspergillus oryzae IAM2660	BAD08218.2	Q75R32
chitosanase A (Csn;CsnA)	3.2.1.132	pubmed	Aspergillus oryzae IAM2660	BAA92250.1	Q9P961
endochitosanase (Csn;ChiB)	3.2.1.132	pubmed	Aspergillus sp. CJ22-326	ABZ88800.1	B6RQZ2
chitosanase (Chg45;Chg47;CHGG_04236) (fragment)	3.2.1.132	pubmed	Chaetomium globosum CBS 148.51	KAH6632287.1 EAQ87617.1	Q2H1W0
endochitosanase (Csn;Csn1)	3.2.1.132	pubmed	Fusarium solani 0114	ABX57824.1 ABX56446.1	A9QUB2 A9QVE1
chitosanase (Csn)	3.2.1.132	pubmed	Fusarium solani PHASEOLI SUF386	BAA12799.1	Q00867
chitosanase (Csn2) (partial)	3.2.1.132	pubmed	Gongronella sp. JG-2005	ABY77913.1	B0LV85
chitosanase (ChP;PgChP)	3.2.1.132	pubmed	Penicillium chrysogenum AS51D	ADG96019.1	D7R809
chitosanase (Csn)	3.2.1.132	pubmed	Penicillium sp. D-1	AFG33049.1	H9U6Q4
unclassified
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D
viral AMG chitosanase / endochitosanase (V-Csn)	3.2.1.132	pubmed	unclassified sequences			7TVM[A,B] 7TVN[A] 7TVO[A] 7TVP[A] 7TVL[A]
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