Predicted vs actual MW

[Platini Kwok]

There are two types of sds page, reducing and non-reducing.

Platini
Lee Hunt ¼¶¼g©ó¤å³¹ <3821AEEE.9EFC3D58 at sheffield.ac.uk>...
>Does anybody have explanations as to why a protein on a Western can
>differ widely from its predicted size. Other than proteolysis or removal
>of targetting regions what else could cause this?
>