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PMID: 4941557 Published · ppublish English Journal Article

Pseudomonas putida tryptophan synthetase: partial sequence of the subunit.

Journal of bacteriology ·Vol. 108 ·No. 1 ·1971-10-00 ·Pages 248-53

Crawford IP, Yanofsky C

Abstract

There is 50% identity in the sequences of the first 50 residues of the alpha chains of Escherichia coli and Pseudomonas putida. No deletions or additions of residues are found in this region, except for the N-terminal methionine residue which is missing in the polypeptide isolated from P. putida. Most of the residues which differ are chemically dissimilar, and half of them are specified by codons which differ by more than a single base. The two residues known by mutational analysis to be essential for catalysis in E. coli are conserved in P. putida. The potential taxonomic usefulness of information of this sort is analyzed.

MeSH Terms
Amino Acid Sequence Autoanalysis Chromatography, Gas Chromatography, Thin Layer Escherichia coli/classification,enzymology Genes Genetics, Microbial Hydro-Lyases/analysis Hydrolysis Peptides/analysis Pseudomonas/analysis,classification,enzymology Tryptophan
Chemicals
Peptides Tryptophan Hydro-Lyases
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Crawford I P
Yanofsky C
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23 references, click to expand
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Article Info
Journal
Journal of bacteriology
Abbr.
J Bacteriol
ISSN
0021-9193
DOI
10.1128/jb.108.1.248-253.1971
Published
1971-10-00
Pages
248-53
Language
English
Region
United States
NLM ID
2985120R
PMCID
PMC247058
Subset
IM
External Links
PubMed source DOI: 10.1128/jb.108.1.248-253.1971 PMC Full Text View journal details
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