Nucleo-Cytoplasmic Exchange

ID #1841

Does Da mean daltons? Is kDA kilodaltons?

Yes, and yes. Just for perspective, a Dalton is defined as 1/12th the mass of a carbon atom, and an average amino acid has a molecular weight (MW) of approximately 135 Daltons. Since an average protein has 250 amino acids, this means that an average protein has a MW of approximately 34 kDa. You don't have to memorize any of that, but it helps put things into perspective when I talk about Hsp70 molecules being 70 kDa. You'd now be able to identify that that's a fairly big chaperone protein.

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