Glycoside Hydrolase Family 75

Activities in FamilyChitosanase (EC 3.2.1.132);
Mechanism Inverting e
Catalytic Nucleophile/Baseprobably Asp
Catalytic Proton Donorprobably Glu
Notemechanism and catalytic residues in Cheng et al. (2006) J. Biol. Chem. 281:3137-3144 (PMID: 16330537)
External resourcesCAZypedia;
Statistics GenBank accession (716); Uniprot accession (15); PDB accession (5); 3D entries (1); cryst (0)
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/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#ReferenceOrganismGenBank UniprotPDB/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#ReferenceOrganismGenBank UniprotPDB/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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