SnB is a computer program based on Shake-and-Bake, a dual-space direct-methods procedure for determining crystal structures from X-ray diffraction data. This program has been used in a routine fashion to solve difficult structures, containing as many as 1000 unique non-H atoms, that could not be solved by traditional reciprocal-space routines based on the tangent formula alone. Recently, SnB has also been used to determine the anomalously scattering substructures of selenomethionyl-substituted proteins containing as many as 160 Se sites.
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SnB version 2.3: triplet sieve phasing for centrosymmetric structures.
Xu H, Smith AB, Sahinidis NV, Weeks CM.
J Appl Crystallogr. 2008;41:644-646.