Fig. 4From: Expression and characterization of hemagglutinin–neuraminidase protein from Newcastle disease virus in Bacillus subtilis WB800Evaluation of the protein structure in terms of calcium ion position, 2-deoxy-2,3-dehydro-N-acetyl-neuraminic acid and sugar. A Residuesof calcium ions, atomic arrangement and interaction. B Residuesof 2-deoxy-2,3-dehydro-N-acetyl-neuraminic acid, atomic arrangement and interaction. C Residuesof 2-(acetylamino)-2-deoxy-A-d-glucopyranose, atomic arrangement and interaction. D Residuesof O-sialic acid, atomic arrangement and interactionBack to article page