Glycoside Hydrolase Family 109

Activities in Familyα-N-acetylgalactosaminidase (EC 3.2.1.49); β-N-acetylhexosaminidase (EC 3.2.1.52)
Mechanism Retaining
3D Structure StatusRossmann fold
Catalytic Nucleophile/BaseNot applicable
Catalytic Proton DonorNone
NoteCreated following Liu et al. (2007) Nature Biotechnol 25:454-64 (PMID: 17401360); the enzymes in this family display an unusual mechanism involving NAD+
External resourcesCAZypedia;
Statistics GenBank accession (1724); Uniprot accession (7); PDB accession (3); 3D entries (2); cryst (0)
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 α-N-acetylgalactosaminidase (AmGH109B;Amuc_0017) 3.2.1.49 doi
Akkermansia muciniphila ATCC BAA-835 ACD03864.1
QTD80695.1
B2UL75  
 a/β-N-acetylgalactosaminidase (AmGH109A;Amuc_0920) 3.2.1.49
3.2.1.52
doi
doi
Akkermansia muciniphila ATCC BAA-835 ACD04752.1
QTD81538.1
B2UQL7 6T2B[A,B,C,D]
 N-acetylgalactosaminidase 3.2.1.49 pubmed
Arenibacter latericius KMM426 ADM26828.1 E1AXI3  
 α-N-acetylgalactosaminidase (NagA) 3.2.1.49 pubmed
Elizabethkingia meningoseptica ATCC 13253 CAJ01375.1 A2AWV6  
 α-N-acetylgalactosaminidase (NagA) 3.2.1.49 pubmed
Elizabethkingia meningoseptica ATCC 33958 CAJ01376.1 A4Q8F7 2IXA[A]
2IXB[A]
 α-N-acetylgalactosaminidase (BvGH109_1) 3.2.1.49 pubmed
Phocaeicola vulgatus WP_005848863.1    
 α-N-acetylgalactosaminidase (NagA) 3.2.1.49 pubmed
Shewanella oneidensis ATCC70050 CAJ01377.1 Q8ECL7  
 α-N-acetylgalactosaminidase 3.2.1.49 pubmed
Tannerella forsythia ATCC43037 CAJ01380.1 A4Q8G1  
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