Isolation and sequence of a cDNA for human pro-(cathepsin L)

S. Gal, M. M. Gottesman

Research output: Contribution to journalArticle

96 Citations (Scopus)

Abstract

The major excreted protein (MEP) of malignantly transformed mouse fibroblasts is the precursor to an acid proteinase with enzymic specificity similar to that of human cathepsin L. By cross-hybridization with a mouse MEP sequence, cDNA clones of the human form of MEP in an SV40 expression vector were isolated. A 1.6 kb cDNA showed 70% deduced amino acid sequence identity with mouse MEP. The deduced amino acid sequence of the cloned human MEP was the same, except for two amino acids, as the N-terminal sequence of mature human cathepsin L, thereby establishing that human MEP is human pro-(cathepsin L). Use of this human pro-(cathepsin L) cDNA clone allowed the detection of a 1.6-1.8 kb pro-(cathepsin L) mRNA in human cells which was not detected with a mouse pro-(cathepsin L) probe.

Original languageEnglish (US)
Pages (from-to)303-306
Number of pages4
JournalBiochemical Journal
Volume253
Issue number1
DOIs
StatePublished - Jan 1 1988

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Cathepsin L
Complementary DNA
Amino Acids
Amino Acid Sequence
Clone Cells
Fibroblasts
Proteins
Peptide Hydrolases
Cells
Messenger RNA
Acids
human CTSL1 protein

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Gal, S. ; Gottesman, M. M. / Isolation and sequence of a cDNA for human pro-(cathepsin L). In: Biochemical Journal. 1988 ; Vol. 253, No. 1. pp. 303-306.
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Isolation and sequence of a cDNA for human pro-(cathepsin L). / Gal, S.; Gottesman, M. M.

In: Biochemical Journal, Vol. 253, No. 1, 01.01.1988, p. 303-306.

Research output: Contribution to journalArticle

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