Bacterial neuraminidase

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Bacterial neuraminidase

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BNR/Asp-box repeat

Structure of a bacterial sialidase.^[1]

Identifiers

Symbol

BNR

Pfam clan

Available protein structures:
Pfam	structures
PDB	RCSB PDB; PDBe
PDBsum	structure summary

Bacterial neuraminidase is type of neuraminidase and a virulence factor for many bacteria including Bacteroides fragilis and Pseudomonas aeruginosa. Its function is to cleave a sialic acid residue off ganglioside-GM1 (a modulator of cell surface and receptor activity) turning it into asialo-GM1 to which type 4 pilli (attachment factors) bind preferentially.

References

^ Gaskell A, Crennell S, Taylor G (November 1995). "The three domains of a bacterial sialidase: a beta-propeller, an immunoglobulin module and a galactose-binding jelly-roll". Structure 3 (11): 1197–205. PMID 8591030.

Hydrolase: sugar hydrolases (EC 3.2)

3.2.1: Glycoside hydrolases

Disaccharidase	Sucrase/Sucrase-isomaltase/Invertase · Maltase · Trehalase · Lactase

Glucosidases	Cellulase · Alpha-glucosidase (Acid, Neutral AB, Neutral C) · Beta-glucosidase (cytosolic) · Debranching enzyme

Other	Amylase (Alpha-Amylase) · Chitinase · Lysozyme · Neuraminidase (NEU1, NEU2, NEU3, NEU4, Bacterial neuraminidase, Viral neuraminidase) · Galactosidases (Alpha, Beta) · alpha-Mannosidase · Glucuronidase · Hyaluronidase · Pullulanase · Glucosylceramidase (lysosomal, non-lysosomal) · Galactosylceramidase · Alpha-N-acetylgalactosaminidase (NAGA) · Alpha-N-acetylglucosaminidase · Fucosidase · Hexosaminidase (HEXA, HEXB) · Iduronidase · Maltase-glucoamylase · Heparanase (HPSE2)

3.2.2: Hydrolysing
N-Glycosyl compounds

DNA glycosylases: Oxoguanine glycosylase

B enzm: 1.1/2/3/4/5/6/7/8/10/11/13/14/15-18, 2.1/2/3/4/5/6/7/8, 2.7.10, 2.7.11-12, 3.1/2/3/4/5/6/7, 3.1.3.48, 3.4.21/22/23/24, 4.1/2/3/4/5/6, 5.1/2/3/4/99, 6.1-3/4/5-6

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