1887

Abstract

Crude cell extracts of contained an abundant protein that was identified as actin by a number of criteria. The protein, either in cell extracts or in pure form, co-migrated with rabbit skeletal muscle actin in polyacrylamide gels. The actin was purified by DEAE-cellulose and DNAase I-Sepharose chromatography and had the expected property of inhibiting DNAase I activity. Although actin could polymerize and depolymerize, purification based entirely on this characteristic was ineffective. The actin was susceptible to proteolytic degradation, and under certain conditions, a breakdown product of defined size was observed.

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/content/journal/micro/10.1099/00221287-128-3-439
1982-03-01
2021-10-16
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