The books "Co-and Post-translational Modification of Proteins :
Chemical principles and Biological effects" by Donald J. Graves, Bruce
L. Martin and Jerry H. Wang Oxford University Press 1994 and
Laboratory techniques in Biochemistry and Molecular Biology Vol.16
Glycoprotein and proteoglycan techniques by J.G. Beely (1985 Elsevier
Science publishers ) should be helpful.
U.Vic Micro-sequencing Center