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)

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Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D
223737		Aspergillus pseudocaelatus CBS 117616 v1.0 (Asppsec1)
261193		Aspergillus pseudocaelatus CBS 117616 v1.0 (Asppsec1)
244932		Aspergillus pseudocaelatus CBS 117616 v1.0 (Asppsec1)
274641		Aspergillus pseudonomius CBS 119388 v1.0 (Asppsen1)
145490		Aspergillus pseudonomius CBS 119388 v1.0 (Asppsen1)
57222		Aspergillus pseudonomius CBS 119388 v1.0 (Asppsen1)
291342		Aspergillus pseudonomius CBS 119388 v1.0 (Asppsen1)
231622		Aspergillus pseudotamarii CBS 117625 v1.0 (Asppset1)
294871		Aspergillus pseudotamarii CBS 117625 v1.0 (Asppset1)
241295		Aspergillus pseudotamarii CBS 117625 v1.0 (Asppset1)
240422		Aspergillus pseudotamarii CBS 117625 v1.0 (Asppset1)
APUU_70975S		Aspergillus puulaauensis MK2	BCS29405.1
APUU_81074S		Aspergillus puulaauensis MK2	BCS30771.1
191054		Aspergillus sergii CBS 130017 v1.0 (Aspser1)
178476		Aspergillus sergii CBS 130017 v1.0 (Aspser1)
215182		Aspergillus sergii CBS 130017 v1.0 (Aspser1)
196456		Aspergillus sergii CBS 130017 v1.0 (Aspser1)
endochitosanase (Csn;ChiB)	3.2.1.132	Aspergillus sp. CJ22-326	ABZ88800.1	B6RQZ2
513354		Aspergillus steynii IBT 23096 v1 (Aspste1)
461755		Aspergillus steynii IBT 23096 v1 (Aspste1)
457153		Aspergillus steynii IBT 23096 v1 (Aspste1)
70119		Aspergillus sydowii v1 (Aspsy1)
34306		Aspergillus sydowii v1 (Aspsy1)
108517		Aspergillus taichungensis IBT 19404 v1.0 (Asptaic1)
86275		Aspergillus taichungensis IBT 19404 v1.0 (Asptaic1)
278332		Aspergillus tamarii CBS 117626 v1.0 (Asptam1)
292125		Aspergillus tamarii CBS 117626 v1.0 (Asptam1)
295264		Aspergillus tamarii CBS 117626 v1.0 (Asptam1)
269246		Aspergillus tamarii CBS 117626 v1.0 (Asptam1)
6444		Aspergillus terreus NIH 2624 (Aspte1)
5231		Aspergillus terreus NIH 2624 (Aspte1)
576661		Aspergillus transmontanensis CBS 130015 (Asptra1)
570006		Aspergillus transmontanensis CBS 130015 (Asptra1)
585975		Aspergillus transmontanensis CBS 130015 (Asptra1)
528294		Aspergillus transmontanensis CBS 130015 (Asptra1)
206072		Aspergillus tubingensis v1.0 (Asptu1)
808183		Aspergillus tubingensis v1.0 (Asptu1)
7817		Aspergillus udagawae IFM 46973 (Aspuda1)
9436		Aspergillus udagawae IFM 46973 (Aspuda1)
7235		Aspergillus udagawae IFM 46973 (Aspuda1)
9367		Aspergillus udagawae IFM 46973 (Aspuda1)
63056		Aspergillus versicolor v1 (Aspve1)
65177		Aspergillus versicolor v1 (Aspve1)
174344		Aspergillus welwitschiae CBS139.54b v1.0 (Aspwel1)
165368		Aspergillus welwitschiae CBS139.54b v1.0 (Aspwel1)
158487		Aspergillus wentii v1 (Aspwe1)
34863		Aspergillus wentii v1 (Aspwe1)
463195		Astrocystis sublimbata CBS 130006 v1.0 (Astsub1)
410027		Aulographum hederae CBS 113979 version 2 (Aulhe2)
1412862		Auricularia subglabra (Aurde3_1)
1169498		Auricularia subglabra (Aurde3_1)
1312227		Auricularia subglabra (Aurde3_1)
chitosanase (Cns1)		Beauveria bassiana	AAG17940.1
6270		Beauveria bassiana ARSEF 2860 (Beaba1)
5880		Beauveria bassiana ARSEF 2860 (Beaba1)
8563		Beauveria brongniartii RCEF 3172 (Corbr1)
7860		Beauveria brongniartii RCEF 3172 (Corbr1)
419251		Biscogniauxia marginata CBS 124505 v1.0 (Bisma1)
418081		Biscogniauxia marginata CBS 124505 v1.0 (Bisma1)
694913		Biscogniauxia mediterranea AZ0048 v1.0 (Bisme1)
646231		Biscogniauxia mediterranea CBS 129072 v1.0 (Bismed1)
589754		Biscogniauxia sp. genotype 304 FL1348 v1.0 (Biscog1)
570823		Biscogniauxia sp. genotype 304 FL1348 v1.0 (Biscog1)
589875		Bombardia bombarda SMH3391-2 v1.0 (Bombom1)
584598		Bombardia bombarda SMH3391-2 v1.0 (Bombom1)
289470		Botryosphaeria dothidea (Botdo1_1)
3891		Byssochlamys spectabilis No. 5 (Byssp1)
400335		Byssothecium circinans CBS 675.92 (Bysci1)
575415		Cadophora sp. DSE1049 v1 (Cadsp1)
14891		Cadophora sp. M221 (CadmalM221_1)
483301		Calycina marina TRa3180A v1.0 (Calmar1)
715811		Camillea tinctor CBS 203.56 v1.0 (CtCBS203_1)
695075		Camillea tinctor CBS 203.56 v1.0 (CtCBS203_1)
3046279		Cantharellus anzutake C23 v1.0 (Cananz1)
665911		Cenococcum geophilum 1.58 v2.0 (Cenge3)
595657		Cercophora caudata CBS 606.72 v1.0 (Cercau1)
415426		Cercophora caudata CBS 606.72 v1.0 (Cercau1)
441730		Cercophora caudata CBS 606.72 v1.0 (Cercau1)
320264		Cercophora newfieldiana SMH2532-1 (Cernew1)
389388		Cercophora newfieldiana SMH2532-1 (Cernew1)
493310		Cercophora scortea SMH4131-1 v1.0 (Cersc1)
446946		Cercophora scortea SMH4131-1 v1.0 (Cersc1)
414022		Chaetomidium fimeti CBS168.71 (Chafi1)
294812		Chaetomidium fimeti CBS168.71 (Chafi1)
34614		Chaetomidium leptoderma CBS 538.74 v1.0 (Chale1)
44028		Chaetomidium leptoderma CBS 538.74 v1.0 (Chale1)
11868		Chaetomium funicola CBS 141.50 v1.0 (Chafun1)
11390		Chaetomium funicola CBS 141.50 v1.0 (Chafun1)
32859		Chaetomium (Dichotomopilus) funicola MPI-SDFR-AT-0129 v1.0 (Chafu1)
461082		Chaetomium (Dichotomopilus) funicola MPI-SDFR-AT-0129 v1.0 (Chafu1)
chitosanase (Chg45;Chg47;CHGG_04236) (fragment)	3.2.1.132	Chaetomium globosum CBS 148.51	KAH6632287.1 EAQ87617.1	Q2H1W0
589593		Chaetomium globosum MPI-SDFR-AT-0079 v1.0 (Chagl1)
490172		Chaetomium globosum MPI-SDFR-AT-0079 v1.0 (Chagl1)
389495		Chaetomium sp. MPI-CAGE-AT-0009 v1.0 (Chame1)
387793		Chaetomium sp. MPI-CAGE-AT-0009 v1.0 (Chame1)
1478		Chaetomium thermophilum var thermophilum DSM 1495 (Chathe1)
1810535		Choiromyces venosus 120613-1 (Chove1)
189454		Passalora fulva v1 (Clafu1)
944		Claviceps purpurea 20.1 (Clapu1)
612762		Clohesyomyces aquaticus v1.0 (Cloaq1)
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