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Methods of Protein Microcharacterization - A Practical Handbook (Hardcover, 1986 ed.)
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Methods of Protein Microcharacterization - A Practical Handbook (Hardcover, 1986 ed.)
Series: Biological Methods
Expected to ship within 10 - 15 working days
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Milestones in the techniques and methodology of polypeptide
structure determination include the determination of the sequence
of insulin by Sanger in 1951 (I) and the introduction of the repeti
tive degradation of proteins with phenylisothiocyanate by Edman in
1959 (2). The automation of Edman chemistry (3) played a major role
in the determination of polypeptide structures. Important
modifications of Edman chemistry include the solid-phase approach
by Laursen in 1971 (4) and the use of modified Edman reagents such
as 4-N, N-dimethylaminoazobenzene-4'-isothiocy- ate (DABITC) for
manual sequencing by Chang et al. (5) in 1976. A second major
breakthrough in the analysis of polypeptides was automated amino
acid analysis described by Spackman et al. in 1958 (6). However,
during the period from 1975 to 1980, it became increasingly clear
that the amount of material required for struc tural analysis was
more than could be easily isolated for the vast majority of
proteins. The field was criticized for its lack of sensitive
techniques for the analysis of growth factors, immune modulators,
membrane receptors, and peptide hormones. In addition, very little
had been done to modernize and improve the original instruments
introduced in the mid-1960s. The first indications of improved
instrumentation for Edman chemistry came from Wittmann-Liebold's
laboratory (7), followed by the introduction of a "micro" sequencer
by Hunkapiller and Hood in 1978 (8). The movement toward improved
instrumentation culminated in the "gas"-phase sequencer of Hewick
et al. (9) in 1981."
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