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In mammals, GAD exists in two isoforms with molecular weights of 67 and 65 kDa (GAD 67 and GAD 65), which are encoded by two different genes on different chromosomes (GAD1 and GAD2 genes, chromosomes 2 and 10 in humans, respectively).
The core enzyme consists of a conserved 34 kilodalton (kDa) catalytic subunit, C, and a conserved 65 kDa scaffold subunit, A, tightly bound to one another (Janssens & Goris, 2001). The scaffold subunit contains 15 tandem HEAT repeats which arrange to form a horseshoe-like structure that confers remarkable conformational flexibility (Groves ...
Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform is an enzyme that in humans is encoded by the PPP2R1A gene. [5] In the plant Arabidopsis thaliana a similar enzyme is encoded by the RCN1 gene (At1g25490).
Molecular function Cellular component: Biological process ... Splicing factor U2AF 65 kDa subunit is a protein that in humans is encoded by the U2AF2 gene. [5] Function
Protein G is an immunoglobulin-binding protein expressed in group C and G streptococcal bacteria much like protein A but with differing binding specificities. It is a ~60-kDA (65 kDA for strain G148 and 58 kDa for strain C40) [1] cell surface protein that has found application in purifying antibodies through its binding to the Fab and Fc region.
One mole is an aggregate of an Avogadro number of entities, 1 mol = N 0 ent. This means that the appropriate atomic-scale unit for molar mass is dalton per entity, Da/ent = M u, very nearly equal to 1 g/mol. For Da/ent to be exactly equal to g/mol, the dalton would need to be redefined exactly in terms of the (fixed-h) kilogram.
However, most aptamers are small, with a molecular weight of 6-30 kDa, in contrast to the 150 kDa size of antibodies, and contain one binding site rather than the two matching antigen binding regions of a typical antibody.
b) schematic of septin heterohexameric complex (of human septins), where different septins bind to each other via their GTP binding domains or via the N and C termini. Note the symmetry of the complex c) schematic how septin complexes could align to form septin filaments. Septins are P-Loop-NTPase proteins that range in weight from 30-65 kDa ...