41. :* NA codes for neuraminidase which is an antigenic glycoprotein enzyme found on the surface of the influenza viruses. 42. "' Parainfluenza hemagglutinin-neuraminidase "'is a type of hemagglutinin-neuraminidase produced by parainfluenza. 43. "' Parainfluenza hemagglutinin-neuraminidase "'is a type of hemagglutinin-neuraminidase produced by parainfluenza. 44. Oseltamivir ( trade name Tamiflu ) and zanamivir ( Relenza ) are two neuraminidase inhibitors ( antiviral medications ) currently recommended. 45. In 1989 Biota discovered the drug Zanamivir, which acts as a neuraminidase inhibitor for the treatment and prevention of influenza. 46. This in turn leads to a secondary deficiency of beta-galactosidase ( GLB1 ) and neuraminidase 1 ( NEU1 ). 47. Hemagglutinin ( HA ) and neuraminidase ( NA ) are the two large glycoproteins on the outside of the viral particles. 48. However it does show a structural similarity to influenza viral neuraminidase and has a six-bladed beta-propeller structure. 49. CSIRO at the Division of Protein Chemistry, showing his flu protein ( neuraminidase ) model to Frank Macfarlane Burnet . ]] 50. In 2006, it was approved for prevention of influenza A and B . Zanamivir was the first neuraminidase inhibitor commercially developed.
