Protein Family Models

This domain is found in polysaccharide deacetylase. This family of polysaccharide deacetylases includes NodB (nodulation protein B from Rhizobium) which is a chitooligosaccharide deacetylase [1]. It also includes chitin deacetylase from yeast [2], and endoxylanases which hydrolyses glucosidic bonds in xylan [3]. [1]. 9163424. Molecular basis of symbiosis between Rhizobium and legumes. Freiberg C, Fellay R, Bairoch A, Broughton WJ, Rosenthal A, Perret X;. Nature 1997;387:394-401. [2]. 9133736. Cloning and expression of two chitin deacetylase genes of Saccharomyces cerevisiae. C. Mishra, C. E. Semino, K. J. McCreath, H. de la Vega, B. J. Jones, C. A. Specht & P. W. Robbins;. Yeast 1996;13:327-336. [3]. 8170399. Evidence for a general role for high-affinity non-catalytic cellulose binding domains in microbial plant cell wall hydrolases. S. J. Millward-Sadler, D. M. Poole, B. Henrissat, G. P. Hazlewood, J. H. Clarke & H. J. Gilbert;. Mol Microbiol 1994;11:375-382. (from Pfam)

Date:

2024-10-16

5-oxoprolinase subunit PxpA catalyzes the cleavage of 5-oxoproline to form L-glutamate coupled to the hydrolysis of ATP to ADP and inorganic phosphate| glycosyl hydrolase family 38 (GH38) protein such as human core-specific lysosomal alpha 1,6-mannosidase (Epman, Man2B2) which can efficiently cleave only the alpha 1,6-linked mannose residue from (Man)3GlcNAc, but not (Man)3(GlcNAc)2 or other larger high mannose oligosaccharide

Date:

2017-03-02

A common motif in bacterial biosynthesis of polysaccharide for export is modification that follows polymerization. This HMM describes a subfamily of polysaccharide N-deacetylases that acts on poly-beta-1,6-N-acetyl-D-glyscosamine as produced by Staphylococcus epidermidis and S. aureus. The end product in these species is designated polysaccharide intercellular adhesin (PIA), and this gene designated icaB (intercellular adhesion protein B).

Gene:

icaB

Date:

2024-12-02