Gene structure in the tryptophan operon of Escherichia coli. Nucleotide sequence of trpC and the flanking intercistronic regions.
Gene structure in the tryptophan operon of Escherichia coli. Nucleotide sequence of trpC and the flanking intercistronic regions.
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大肠杆菌色氨酸操纵子的基因结构。
DOI:
10.1016/0022-2836(80)90261-2
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发表时间:
1980
影响因子:
5.6
通讯作者:
Platt,T
中科院分区:
文献类型:
--
作者:
Christie,GE;Platt,T
We have determined the DNA sequence for the portion of theEscherichia colitryptophan (trp) operon spanningtrpC, which codes for the bifunctional enzymeN-(5′-phosphoribosyl)-anthranilic acid isomerase/indole-3-glycerol phosphate synthetase. The coding region consists of 1356 nucleotides, directing the synthesis of a polypeptide 452 amino acids in length. The predicted protein sequence is consistent with the amino acid composition of the pure enzyme, and with all known partial peptide sequences derived from this molecule. The enzyme is of particular functional interest, because it contains the catalytic activities for two sequential reactions in tryptophan biosynthesis in a single polypeptide chain.The nucleotide sequences of the junctions betweentrpCand its flanking genes,trpDandtrpB, have also been determined. ThetrpD-trpCjunction consists of six untranslated nucleotides and translation oftrpCinitiates at the second of two adjacent AUG codons. ThetrpCtermination codon is separated fromtrpBby 11 nucleotides. The short non-translated regions flankingtrpCdistinguish it fromtrpAandtrpD, whose initiation codons overlap the termination codons of the preceding genes (trpBandtrpE), respectively. These differences in the intercistronic regions may reflect functional relationships between the products of adjacent genes in the operon.
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影响因子:
5.6
作者:
George N. Bennett;Charles Yanofsky
通讯作者:
Charles Yanofsky
影响因子:
5.6
作者:
C. Squires;F. Lee;C. Yanofsky
通讯作者:
C. Yanofsky
影响因子:
56.9
作者:
BERTRAND, K;KORN, L;YANOFSKY, C
通讯作者:
YANOFSKY, C
影响因子:
3.3
作者:
O. Smith
通讯作者:
O. Smith
DOI:
--
发表时间:
1967
期刊:
影响因子:
--
作者:
S. Deeb;K. Okamoto;B. Hall
通讯作者:
B. Hall