sulfurtransferase complex subunit TusD is part of a sulfur-relay system required for 2-thiolation of 5-methylaminomethyl-2-thiouridine (mnm(5)s(2)U) at tRNA wobble positions; it accepts sulfur from TusA and transfers it in turn to TusE
sulfur relay protein TusD/DsrE; The three proteins TusB, TusC, and TusD form a heterohexamer ...
7-133
5.19e-62
sulfur relay protein TusD/DsrE; The three proteins TusB, TusC, and TusD form a heterohexamer responsible for a sulfur relay reaction. In large numbers of proteobacterial species, this complex acts on a Cys-derived persulfide moiety, delivered by the cysteine desulfurase IscS to TusA, then to TusBCD. The activated sulfur group is then transferred to TusE (DsrC), then by MnmA (TrmU) for modification of an anticodon nucleotide in tRNAs for Glu, Lys, and Gln. The sulfur relay complex TusBCD is also found, under the designation DsrEFH, in phototrophic and chemotrophic sulfur bacteria, such as Chromatium vinosum. In these organisms, it seems the primary purpose is related to sulfur flux, such as oxidation from sulfide to molecular sulfur to sulfate. [Protein synthesis, tRNA and rRNA base modification]
Pssm-ID: 274389 Cd Length: 127 Bit Score: 185.92 E-value: 5.19e-62
sulfur relay protein TusD/DsrE; The three proteins TusB, TusC, and TusD form a heterohexamer ...
7-133
5.19e-62
sulfur relay protein TusD/DsrE; The three proteins TusB, TusC, and TusD form a heterohexamer responsible for a sulfur relay reaction. In large numbers of proteobacterial species, this complex acts on a Cys-derived persulfide moiety, delivered by the cysteine desulfurase IscS to TusA, then to TusBCD. The activated sulfur group is then transferred to TusE (DsrC), then by MnmA (TrmU) for modification of an anticodon nucleotide in tRNAs for Glu, Lys, and Gln. The sulfur relay complex TusBCD is also found, under the designation DsrEFH, in phototrophic and chemotrophic sulfur bacteria, such as Chromatium vinosum. In these organisms, it seems the primary purpose is related to sulfur flux, such as oxidation from sulfide to molecular sulfur to sulfate. [Protein synthesis, tRNA and rRNA base modification]
Pssm-ID: 274389 Cd Length: 127 Bit Score: 185.92 E-value: 5.19e-62
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
of the residues that compose this conserved feature have been mapped to the query sequence.
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Functional characterization of the conserved domain architecture found on the query.
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This image shows a graphical summary of conserved domains identified on the query sequence.
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if a domain or superfamily has been annotated with functional sites (conserved features),
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click on the bars or triangles to view your query sequence embedded in a multiple sequence alignment of the proteins used to develop the corresponding domain model.
The table lists conserved domains identified on the query sequence. Click on the plus sign (+) on the left to display full descriptions, alignments, and scores.
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Concise Display shows only the best scoring domain model, in each hit category listed below except non-specific hits, for each region on the query sequence.
(labeled illustration) Standard Display shows only the best scoring domain model from each source, in each hit category listed below for each region on the query sequence.
(labeled illustration) Full Display shows all domain models, in each hit category below, that meet or exceed the RPS-BLAST threshold for statistical significance.
(labeled illustration) Four types of hits can be shown, as available,
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specific hits meet or exceed a domain-specific e-value threshold
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and represent a very high confidence that the query sequence belongs to the same protein family as the sequences use to create the domain model
non-specific hits
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the domain superfamily to which the specific and non-specific hits belong
multi-domain models that were computationally detected and are likely to contain multiple single domains
Retrieve proteins that contain one or more of the domains present in the query sequence, using the Conserved Domain Architecture Retrieval Tool
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