Rapid, accurate and sensitive determination of molecular weight of 15N and 13C labeled recombinant proteins by electrospray ionization mass spectrometry

Timothy G. Heath, Venkataraman Thanabal, Qi Zhuang Ye

Research output: Contribution to journalArticle

3 Scopus citations


Electrospray ionization mass spectrometry (ES-MS) was utilized to accurately measure the molecular weight of uniformly 15N and 13C/15N isotope labeled stromelysin catalytic domain (20 kDa), which in turn, was used to determine the degree of isotope enrichment in the protein.

Original languageEnglish (US)
Pages (from-to)367-372
Number of pages6
JournalBiotechnology Techniques
Issue number5
StatePublished - May 1 1993


ASJC Scopus subject areas

  • Biochemistry
  • Applied Microbiology and Biotechnology

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