collagen type I - (Dec/07/2007 )

what is the molecular wheight of collagen type I. and for its alpha chains.
did anybody succeded to get a nice result by sds-page.
any special recommendation concerning sample preparation, gel concentration, result reading?
i think i will be unsing 8%acrylamid gel !! is it ok?

thanks

see this sigma data sheet:

collagen type I datasheet- sigma

it should answer some of your questions.

and, 8% sds-page should be okay.