Away from the edge: SAD phasing from the sulfur anomalous signal measured in-house with chromium radiation

Yang, C.; Pflugrath, J.W.; Courville, D.A.; Stence, C.N.; Ferrara, J.D.

doi:10.1107/S0907444903018547

Acta Crystallographica Section D
Acta Crystallographica
Section D BIOLOGICAL CRYSTALLOGRAPHY

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Figure 10
The 2.8 Å resolution anomalous difference Fourier map superimposed with the trypsin model. The map is contoured at 3.5σ. The magenta sphere represents the Ca²⁺ ion. Two spherical densities cover the SD atoms of Met104 and Met180. Six elliptical densities mark the six disulfide bonds.

BIOLOGICAL
CRYSTALLOGRAPHY

ISSN: 1399-0047

Volume 59| Part 11| October 2003| Pages 1943-1957

doi:10.1107/S0907444903018547

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