Crystallization of Ranasmurfin, a blue-coloured protein from Polypedates leucomystax

McMahon, S.A. et al. (2006) Crystallization of Ranasmurfin, a blue-coloured protein from Polypedates leucomystax. Acta Crystallographica. Section F: Structural Biology and Crystallization Communications, 62, pp. 1124-1126. (doi:10.1107/S1744309106040036)

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Abstract

Ranasmurfin, a previously uncharacterized ~13 kDa blue protein found in the nests of the frog Polypedates leucomystax, has been purified and crystallized. The crystals are an intense blue colour and diffract to 1.51 Å with P21 symmetry and unit-cell parameters a = 40.9, b = 59.9, c = 45.0 Å, [beta] = 93.3°. Self-rotation function analysis indicates the presence of a dimer in the asymmetric unit. Biochemical data suggest that the blue colour of the protein is related to dimer formation. Sequence data for the protein are incomplete, but thus far have identified no model for molecular replacement. A fluorescence scan shows a peak at 9.676 keV, indicating that the protein binds zinc and suggesting a route for structure solution.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kennedy, Professor Malcolm and Cooper, Professor Alan
Authors: McMahon, S.A., Walsh, M.A., Ching, R.T.Y., Carter, L.G., Dorward, M., Johnson, K.A., Liu, H., Oke, M., Bloch, C., Kennedy, M.W., Latiff, A.A., Cooper, A., Taylor, G.L., White, M.F., and Naismith, J.H.
College/School:UNSPECIFIED
Journal Name:Acta Crystallographica. Section F: Structural Biology and Crystallization Communications
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:1744-3091
ISSN (Online):1744-3091

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