Cloning and sequencing of the PYRG encoding cytidine 5'-triphosphate synthetase from Mycobacterium bovis BCG

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Title
Cloning and sequencing of the PYRG encoding cytidine 5'-triphosphate synthetase from Mycobacterium bovis BCG
Author(s)
Jeong Hyun Kim; Jin Koo Kim; Yong Kyung Choe
Bibliographic Citation
Biochemistry and Molecular Biology International, vol. 43, no. 5, pp. 925-933
Publication Year
1997
Abstract
The pyrG gene encoding cytidine 5'-triphosphate (CTP) synthetase which catalyzes the terminal reaction for de novo synthesis of pyrimidine nucleotides was cloned and sequenced from Mycobacterium bovis BCG. The BCG pyrG was screened in λZAPII library employing a DNA probe which was constructed from PCR based on a consensus pattern of glutamine amidotransferase type I. The BCG CTP synthetase deduced from a nucleotide sequence consisting of 586 amino acid residues with a calculated molecular weight of 63,642 daltons. Alignment of BCG CTP synthetase with all sequences available in GenBank indicates that the residues suggested as a catalytic triad for glutamine hydrolysis at the carboxyl terminal domain and an amino terminal segment are completely conserved among all CTP synthetases.
Keyword
BCGCTP synthetaseGlutamine amidotransferase type IpyrG
ISSN
1039-9712
Publisher
Wiley
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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