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Literature summary extracted from

  • Muramatsu, F.; Tonomura, M.; Yamada, M.; Kasahara, Y.; Yamamura, S.; Iino, T.; Amachi, S.
    Possible involvement of a tetrathionate reductase homolog in dissimilatory arsenate reduction by Anaeromyxobacter sp. strain PSR-1 (2020), Appl. Environ. Microbiol., 86, e00829-20 .
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.8.99.B2 genes PSR1_00330 /ttrA and PSR1_003329/ttrB, DNA and amino acid sequence determination and analysis, sequence comparisons and phylogenetic analysis. The putative psr1_00329-psr1_00330 operon lacks a gene encoding a membrane anchor subunit of tetrathionate reductase (TtrC), but a gene encoding a c-type cytochrome (cyt c) is adjacent to these two genes. RT-PCR enzyme expression analysis Anaeromyxobacter sp. PSR-1

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.8.99.B2 periplasm
-
 Anaeromyxobacter sp. PSR-1
-
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.8.99.B2 tetrathionate + reduced electron acceptor Salmonella enterica
-
 2 thiosulfate + oxidized electron acceptor
-
 ?
1.8.99.B2 tetrathionate + reduced electron acceptor Anaeromyxobacter sp. PSR-1
-
 2 thiosulfate + oxidized electron acceptor
-
 ?
1.8.99.B2 tetrathionate + reduced electron acceptor Salmonella enterica JM1651
-
 2 thiosulfate + oxidized electron acceptor
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.8.99.B2 Anaeromyxobacter sp. PSR-1 A0A0D6QDI4 tetrathionate reductase subunit A
-
1.8.99.B2 Salmonella enterica
-
-
-
1.8.99.B2 Salmonella enterica JM1651
-
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.8.99.B2 26
-
 crude extracts of strain JCM1651 grown on tetrathionate, pH 6.8, 30°C Salmonella enterica

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.8.99.B2 tetrathionate + reduced electron acceptor
-
 Salmonella enterica 2 thiosulfate + oxidized electron acceptor
-
 ?
1.8.99.B2 tetrathionate + reduced electron acceptor
-
 Anaeromyxobacter sp. PSR-1 2 thiosulfate + oxidized electron acceptor
-
 ?
1.8.99.B2 tetrathionate + reduced electron acceptor
-
 Salmonella enterica JM1651 2 thiosulfate + oxidized electron acceptor
-
 ?
1.8.99.B2 tetrathionate + reduced methyl viologen
-
 Salmonella enterica 2 thiosulfate + oxidized methyl viologen
-
 ?
1.8.99.B2 tetrathionate + reduced methyl viologen
-
 Anaeromyxobacter sp. PSR-1 2 thiosulfate + oxidized methyl viologen
-
 ?
1.8.99.B2 tetrathionate + reduced methyl viologen
-
 Salmonella enterica JM1651 2 thiosulfate + oxidized methyl viologen
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.8.99.B2 ttrA
-
 Salmonella enterica
1.8.99.B2 ttrA
-
 Anaeromyxobacter sp. PSR-1

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.8.99.B2 30
-
 assay at Salmonella enterica
1.8.99.B2 30
-
 assay at Anaeromyxobacter sp. PSR-1

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.8.99.B2 6.8
-
 assay at Salmonella enterica
1.8.99.B2 6.8
-
 assay at Anaeromyxobacter sp. PSR-1

General Information

EC Number General Information Comment Organism
1.8.99.B2 evolution the enzyme encoded by gene PSR1_00330 belongs to the tetrathionate reductase (TtrA) clade in the DMSO reductase family, phylogenetic analysis. Phylogenetic analysis of gene PSR1_00329 suggested that the encoded TtrB-related proteins does not form a single clade but consists of three distinct clades within the small electron transfer subunits of the DMSO reductase family. The putative psr1_00329-psr1_00330 operon lacked a gene encoding a membrane anchor subunit of tetrathionate reductase (TtrC), but a gene encoding a c-type cytochrome (cyt c) is adjacent to these two genes Anaeromyxobacter sp. PSR-1
1.8.99.B2 additional information the dissimilatory As(V) reductase of strain PSR-1 shows no tetrathionate reductase activity Anaeromyxobacter sp. PSR-1
1.8.99.B2 additional information the tetrathionate reductase of Salmonella enterica strain 1651 shows no dissimilatory As(V) reductase activity Salmonella enterica