Crystallization and preliminary X-ray diffraction analysis of calexcitin from Loligo pealei: a neuronal protein implicated in learning and memory

Beaven, G.D.E.; Erskine, P.T.; Wright, J.N.; Mohammed, F.; Gill, R.; Wood, S.P.; Vernon, J.; Giese, K.P.; Cooper, J.B.

doi:10.1107/S1744309105026758

Acta Crystallographica Section F
Acta Crystallographica
Section F STRUCTURAL BIOLOGY COMMUNICATIONS

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Figure 3
A χ = 180° section of the self-rotation function calculated from the squid calexcitin data set using a radius of integration of 20.0 Å and data to a resolution of 2.5 Å. The strongest peaks on the horizontal and vertical axes arise from space-group symmetry (P2₁2₁2₁). The other peaks on the circumference are around 1/3 of the height of the crystallographic twofold peaks and suggest the presence of non-crystallographic twofold axes perpendicular to c and oriented at approximately 45° from the a and b axes.

STRUCTURAL BIOLOGY
COMMUNICATIONS

ISSN: 2053-230X

Volume 61| Part 10| September 2005| Pages 879-881

doi:10.1107/S1744309105026758

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