doi: 10.1126/science.129.3363.1614.
Enzymatic activity of a genetically altered tryptophan synthetase in Neurospora crassa
- PMID: 13668507
- DOI: 10.1126/science.129.3363.1614
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Enzymatic activity of a genetically altered tryptophan synthetase in Neurospora crassa
Science.
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Abstract
Partially purified preparations of certain tryptophan-requiring mutants of Neurospora crassa, which contain a protein (CRM) antigenically related to wild-type tryptophan synthetase, possess indole glycerol phosphate-synthesizing activity. This activity can be inhibited by anti-CRM sera. It is suggested that CRM in such mutants represents a damaged tryptophan synthetase lacking the capacity to react with l-serine.
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