Endo-a-N-acetylgalactosaminidase and related glcyosyl hydrolases. This family contains the enzymatically active domain of cell surface proteins that specifically cleave Gal-beta-1,3-GalNAc-alpha-Ser/Thr (T-antigen, galacto-N-biose), the core 1 type O-linked glycan common to mucin glycoproteins (EC:3.2.1.97). It has been classified as glycosyl hydrolase family 101 in the Cazy resource. Virulence of pathogenic organisms such as the Gram-positive Streptococcus pneumoniae and other commensal human bacteria is largely determined by their ability to degrade host glycoproteins and to metabolize the resultant carbohydrates.

Metal binding protein ZntC. These proteins are predicted to function as initial receptors in ABC transport of metal ions. They belong to the TroA superfamily of helical backbone metal receptor proteins that share a distinct fold and ligand binding mechanism. They are comprised of two globular subdomains connected by a long alpha helix and bind their specific ligands in the cleft between these domains. In addition, many of these proteins possess a metal-binding histidine-rich motif (repetitive HDH sequence).

Alpha-N-acetylgalactosaminidaseNagBb from Bifidobacterium bifidum - GalNAc complex [Bifidobacterium bifidum],5WZN_B Alpha-N-acetylgalactosaminidase NagBb from Bifidobacterium bifidum - GalNAc complex [Bifidobacterium bifidum],5WZP_A Alpha-N-acetylgalactosaminidase NagBb from Bifidobacterium bifidum - ligand free [Bifidobacterium bifidum],5WZP_B Alpha-N-acetylgalactosaminidase NagBb from Bifidobacterium bifidum - ligand free [Bifidobacterium bifidum],5WZR_A Alpha-N-acetylgalactosaminidase NagBb from Bifidobacterium bifidum - Gal-NHAc-DNJ complex [Bifidobacterium bifidum],5WZR_B Alpha-N-acetylgalactosaminidase NagBb from Bifidobacterium bifidum - Gal-NHAc-DNJ complex [Bifidobacterium bifidum]

Alpha-N-acetylgalactosaminidaseNagBb from Bifidobacterium bifidum - quadruple mutant [Bifidobacterium bifidum],5WZQ_B Alpha-N-acetylgalactosaminidase NagBb from Bifidobacterium bifidum - quadruple mutant [Bifidobacterium bifidum]

A3,6-anhydro-D-galactosidase produced by Zobellia galactanivorans. This is an exo-lytic enzyme that hydrolyzes terminal 3,6-anhydro-D-galactose from the non-reducing end of carrageenan oligosaccharides. [Zobellia galactanivorans],5OPQ_B A 3,6-anhydro-D-galactosidase produced by Zobellia galactanivorans. This is an exo-lytic enzyme that hydrolyzes terminal 3,6-anhydro-D-galactose from the non-reducing end of carrageenan oligosaccharides. [Zobellia galactanivorans],5OPQ_C A 3,6-anhydro-D-galactosidase produced by Zobellia galactanivorans. This is an exo-lytic enzyme that hydrolyzes terminal 3,6-anhydro-D-galactose from the non-reducing end of carrageenan oligosaccharides. [Zobellia galactanivorans],5OPQ_D A 3,6-anhydro-D-galactosidase produced by Zobellia galactanivorans. This is an exo-lytic enzyme that hydrolyzes terminal 3,6-anhydro-D-galactose from the non-reducing end of carrageenan oligosaccharides. [Zobellia galactanivorans]