High MW plasma protein

[Thomas Weber]

JJ Feige wrote:
> 
> I have purified a high MW (>200 kDa) protein from human plasma. The
> N-terminus is blocked and I could only get the sequence of a 9 amino-acid
> peptide that does not align with any of the sequences from the databanks.
>  Does anyone know of a list of plasma proteins classified by MW and pI
> accessible by WWW? Thank you for your help.
> 
> --
> JJ Feige

Hi there,
sounds like an unknown protein to me but try the following site:

http://expasy.hcuge.ch/www/guess-prot.html

hope it helps

Thomas