5vgp

Fc fragment of human IgG1 antibody, from NIST mAb

spinqualitylabelsall models 5vgp, resolution 2.12Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5vgp is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.116Å Ligands: BMA, FUC, GAL, MAN, NAG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q6PYX1_HUMAN Publication Abstract from PubMed As the link between antigen binding and immune activation, the antibody Fc region has received extensive structural study. In this report, the structure of the Fc fragment of the NIST IgG1 mAb (reference material 8671) is described at 2.1 A resolution in space group P212121, with approximate unit-cell parameters a = 50, b = 80, c = 138 A. Prior Fc structures with a wide variety of modifications are also surveyed, focusing on those in the same crystal form. To facilitate the analysis of conformations, a reference frame and a two-parameter metric are proposed, considering the CH2 domains as mobile with respect to a fixed dimeric CH3 core. Over several human Fc structures, a significant variation in Fc elbow conformations is observed, which may serve to facilitate the regulation of Fc effector signaling. Structure of the Fc fragment of the NIST reference antibody RM8671.,Gallagher DT, Galvin CV, Karageorgos I Acta Crystallogr F Struct Biol Commun. 2018 Sep 1;74(Pt 9):524-529. doi:, 10.1107/S2053230X18009834. Epub 2018 Aug 29. PMID:30198883 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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