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Comparative Study
. 1997 Feb 7;1350(2):123-7.
doi: 10.1016/s0167-4781(96)00213-8.

Cysteine biosynthesis in higher plants: a new member of the Arabidopsis thaliana serine acetyltransferase small gene-family obtained by functional complementation of an Escherichia coli cysteine auxotroph

J R Howarth  1 , M A Roberts, J L Wray
Affiliations
Comparative Study

Cysteine biosynthesis in higher plants: a new member of the Arabidopsis thaliana serine acetyltransferase small gene-family obtained by functional complementation of an Escherichia coli cysteine auxotroph

J R Howarth et al. Biochim Biophys Acta. .

Abstract

A cDNA clone, Sat-52, encoding a novel isoform of serine acetyltransferase (EC 2.3.1.30) was isolated by functional complementation of an Escherichia coli cysE mutant defective in serine acetyltransferase. The 1158 base pair clone contains a full-length open reading frame encoding a deduced protein of 312 amino acids with an M(r) of 32.77 kDa. Northern analysis revealed a single transcript of ca 1.19 kb that did not increase in abundance under sulfate limitation. Genomic Southern hybridization suggests the presence of a single copy of the Sat-52 gene.

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