The role of the tryptophan residues in the activity of the nerve growth factor

R. Hogue Angeletti

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The nerve growth factors isolated from mouse submaxillary glands and Naja naja venom have been treated with N-bromosuccinimide in buffer and in solutions of 8 M urea. The nerve growth factors thus oxidized at progressive numbers of tryptophan residues have been analyzed for their biological and immunological activities. The nerve growth factor from mouse submaxillary gland contained 6 reactive tryptophan residues, one of which was oxidized only in solutions of 8 M urea. The 4 tryptophan residues of Naja naja nerve growth factor, instead, were all readily oxidized in buffer at pH 4. Losses of biological and immunological activities were parallel. Whereas all 4 of the tryptophan residues of Naja naja nerve growth factor were necessary for full biological activity, only 4 of the 6 tryptophan residues found in mouse submaxillary gland nerve growth factor appeared to contribute to the biological and antigenic activities of the molecule.

Original languageEnglish (US)
Pages (from-to)478-482
Number of pages5
JournalBBA - Protein Structure
Volume214
Issue number3
DOIs
StatePublished - Sep 29 1970
Externally publishedYes

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Nerve Growth Factor
Tryptophan
Elapidae
Submandibular Gland
Nerve Growth Factors
Urea
Buffers
Bromosuccinimide
Cobra Venoms
Bioactivity
Molecules

ASJC Scopus subject areas

  • Medicine(all)

Cite this

The role of the tryptophan residues in the activity of the nerve growth factor. / Hogue Angeletti, R.

In: BBA - Protein Structure, Vol. 214, No. 3, 29.09.1970, p. 478-482.

Research output: Contribution to journalArticle

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