Amino acid sequence of thioredoxin isolated from rabbit bone marrow determined by tandem mass spectrometry.
The amino acid sequence of the thioredoxin isolated from rabbit bone marrow was determined chiefly by high performance tandem mass spectrometry and fast atom bombardment mass spectrometry combined with manual Edman degradation. The sequences of peptides generated by digestion with trypsin alone or in combination with Staphylococcus aureus protease V8 or thermolysin were determined from their collision-induced dissociation mass spectra. Alignment of these sequences and additional sequence information were obtained from the collision-induced dissociation mass spectra of peptides obtained from digestion of the intact protein with S. aureus protease V8 and alpha-chymotrypsin. The resulting sequence of 104 residues is as follows: Val-Lys-Gln-Ile-Glu-Ser-Lys-Ser-Ala-Phe-Gln- Glu-Val-Leu-Asp-Ser-Ala-Gly-Asp-Lys-Leu-Val-Val- Val-Asp-Phe-Ser-Ala-Thr-Trp-Cys-Gly-Pro-Cys-Lys- Met-Ile-Lys-Pro-Phe-Phe-His-Ala-Leu-Ser-Glu-Lys- Phe-Asn-Asn-Val-Val-Phe-Ile-Glu-Val-Asp-Val-Asp- Asp-Cys-Lys-Asp-Ile-Ala-Ala-Glu-Cys-Glu-Val-Lys- Cys-Met-Pro-Thr-Phe-Gln-Phe-Phe-Lys-Lys- Gly-Gln-Lys-Val-Gly-Glu-Phe-Ser-Gly-Ala-Asn-Lys- Glu-Lys-Leu-Glu-Ala-Thr-Ile-Asn-Glu-Leu-Leu.[1]References
- Amino acid sequence of thioredoxin isolated from rabbit bone marrow determined by tandem mass spectrometry. Johnson, R.S., Mathews, W.R., Biemann, K., Hopper, S. J. Biol. Chem. (1988) [Pubmed]
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