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. 1978 Jun;4(3):175-81.

S49 lymphoma wild type and variant clones contain normal calcium dependent regulator

W H Burgess, A C Howlett, R H Kretsinger, A G Gilman
  • PMID: 214461

S49 lymphoma wild type and variant clones contain normal calcium dependent regulator

W H Burgess et al. J Cyclic Nucleotide Res. 1978 Jun.

Abstract

Calcium dependent regulator is present in wild-type S49 lymphoma cells, in the variant that is deficient in adenylate cyclase activity (AC-), and in the uncoupled variant (UNC). The electrophoretic mobility and the ability to stimulate cyclic nucleotide phosphodiesterase of the calcium dependent regulator from each of these three clones are indistinguishable from those of the modulator protein isolated from bovine brain. Calcium dependent regulator does not appear to be involved in the defect responsible for the UNC or AC- variants.

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