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Article

LexA protein of cyanobacterium Anabaena sp. strain PCC7120 exhibits in vitro pH-dependent and RecA-independent autoproteolytic activity.

The international journal of biochemistry & cell biology - 1 Feb 2015

Kumar Arvind, Kirti Anurag, Rajaram Hema

Abstract excerpt

The LexA protein of the nitrogen-fixing cyanobacterium, Anabaena sp. strain PCC7120 exhibits a RecA-independent and alkaline pH-dependent autoproteolytic cleavage. The autoproteolytic cleavage of Anabaena LexA occurs at pH 8.5 and above, stimulated by the addition of Ca(2+) and in the temperature range of 30-57°C. Mutational analysis of Anabaena LexA protein indicated that the cleavage occurred at the peptide...

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PMID: 25523083
DOI: 10.1016/j.biocel.2014.12.003

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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