2v7n

Unusual twinning in crystals of the CitS binding antibody Fab fragment f3p4

spinqualitylabelsall models 2v7n, resolution 1.92Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2v7n is a 8 chain structure with sequence from Synthetic construct. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The structure of the antibody Fab fragment f3p4, which was selected from a subset of the synthetic HuCAL antibody library to bind the sodium citrate symporter CitS, is described at 1.92 A resolution. Comparison with computational models revealed deviations in a few framework positions and in the binding loops. The crystals belong to space group P2(1)2(1)2 and contain four molecules in the asymmetric unit, with unit-cell parameters a=102.77, b=185.92, c=102.97 A. These particular unit-cell parameters allowed pseudo-merohedral twinning; interestingly, the twinning law relates a twofold screw axis to a twofold axis. Structure of the recombinant antibody Fab fragment f3p4.,Frey D, Huber T, Pluckthun A, Grutter MG Acta Crystallogr D Biol Crystallogr. 2008 Jun;64(Pt 6):636-43. Epub 2008 May 14. PMID:18560151 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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