Rv3430c Resolved · high auto-curated
H37Rv Rv3430c · MTBC0 - ·
387 aa · 3847642–3848805 (-) ·
RefSeq NP_217947.1
Annotation: from legacy to revised
| Legacy (H37Rv / Mycobrowser) | transposase |
|---|---|
| MTBC0 PGAP re-annotation | — |
| Revised (this work) | Transposase. Pfam: rve (PF00665.33), rve_3 (PF13683.13). |
Auto-curated: this verdict and function were generated by rules from PGAP + Pfam + Foldseek and have not been hand-reviewed.
Annotated on the H37Rv protein: this gene has no 1:1 ancestral MTBC0 anchor (PE/PPE, paralogue, IS element, or otherwise unanchored CDS).
Curated reference (UniProt)
| UniProt |
I6YC39
TrEMBL · unreviewed
· Predicted
|
|---|---|
| UniProt name | Possible transposase |
Functional vocabulary (eggNOG-mapper, orthology transfer)
| COG category |
L Replication, recombination and repair
|
|---|---|
| eggNOG description | PFAM Integrase, catalytic |
| Orthologous group | COG2801 |
| KEGG orthology |
K07497
|
Orthology-based transfer (eggNOG 5.0.2, diamond). EC/KO/GO/CAZy are computed annotations, not manual curation; cross-check against the primary literature before treating a specific reaction as established.
Conservation & selection (intra-MTBC, 145 209 strains)
| pN/pS | 0.404 · purifying |
|---|---|
| Polymorphic sites (≥ 0.1% of strains) | 6 synonymous, 7 missense, 0 nonsense, 1 frameshift |
| Disruption | 1 distinct premature-stop/frameshift site(s); most common in 0.17% of strains (252) · clonal |
pN/pS from segregating SNPs (singletons removed) normalised by possible sites. Low pN/pS = purifying selection (a strong signal that a "hypothetical" is a real, constrained gene). A high pN/pS is ambiguous: relaxed constraint or positive selection (drug resistance, antigenic variation) inflate it; e.g. rpoB/katG/pncA score high here for resistance, not loss of function. A clonal disruption (one allele over a clade) suggests lineage pseudogenisation; a convergent one (many independent alleles) is typical of resistance loss-of-function.
Domains (Pfam, hmmscan --cut_ga)
| Pfam | Accession | i-Evalue | Residues | Description |
|---|---|---|---|---|
rve | PF00665.33 | 1.5e-23 | 136–236 | Integrase core domain |
rve_3 | PF13683.13 | 9.9e-15 | 226–291 | Integrase core domain |
Functional interaction network (STRING v12, guilt-by-association)
| Partner | Product | Score | No text-mining | Channels (≥400) |
|---|---|---|---|---|
Rv0135c |
transcriptional regulator | 454 | 66 | textmining:440 |
Rv0275c |
transcriptional regulator | 806 | 57 | textmining:803 |
Rv2250c |
HTH-type transcriptional regulator | 443 | 57 | textmining:434 |
Rv1508A hyp |
hypothetical protein | 440 | 50 | textmining:435 |
STRING combines evidence channels (neighborhood, fusion, cooccurrence, coexpression, experimental, database, text-mining) into a 0–1000 score. The ctx badge marks edges carried by the genomic-context channels (conserved neighborhood, fusion, phylogenetic co-occurrence), which are independent of orthology and structure and the strongest signal for an unknown gene. The no text-mining column recomputes the score from data alone, so a link that does not depend on the literature is visible. Association is a function hypothesis, not proof: corroborate with the operon context and the primary literature before assigning a function.
Evidence
- Annotation from H37Rv (no MTBC0 1:1 anchor; H37Rv protein used): transposase
- Pfam (hmmscan --cut_ga): rve PF00665.33 (E=2e-23), rve_3 PF13683.13 (E=1e-14)
- (auto-curated by rules from PGAP + Pfam + Foldseek; not hand-reviewed)
Sources
- Ancestral sequence & coordinates: Harrison LB et al. (2024), An imputed ancestral reference genome for the MTBC, doi:10.1101/2023.09.07.556366
- Product annotation: NCBI PGAP on MTBC0; legacy from H37Rv NC_000962.3 (RefSeq NP_217947.1)
- Domains: Pfam-A via hmmscan --cut_ga — rve (PF00665.33), rve_3 (PF13683.13)
- Sequence-level signal: ESM Atlas (EvolutionaryScale × BioHub) — exploratory
- Controlled vocabulary: eggNOG-mapper 2.1.12 (Cantalapiedra et al. 2021,
doi:10.1093/molbev/msab293), eggNOG 5.0 DB
(Huerta-Cepas et al. 2019) — OG
COG2801 - Curated reference: UniProt I6YC39 (TrEMBL, unreviewed; Predicted)
- Intra-MTBC selection: pN/pS and disruption from SPDI variants of 145 209 MTBC strains (this work, local collection vs H37Rv NC_000962.3)
- Interaction network: STRING v12.0 (Szklarczyk et al. 2023, doi:10.1093/nar/gkac1000), taxon 83332, CC-BY 4.0 — 4 functional partner(s)
- Primary literature: none located yet; annotation rests on the domain/homology sources above.
Ancestral MTBC0 protein sequence
>H37Rv|Rv3430c| MIDTAIEEMIPLIGVRAACAATGRAPASYYRAHSKRLSAQSDTFTSTAVTDPSGPRESAQPRALSAAEREHVLAVLNSQRFADMAPAVVYATLLDEGIYLCSESTMYRLLRERGQTGDRRRQATHPAAVKPELVAHQPNSVWSWDITKLRGPAKWSYYYLYVILDIFSRYVVGWMVASRESKVLAERLIAQTLAAQHISADQLTLHADRGSSMSSKPVALLLADLGVTKSHSRPHTSNDNPLSEAQFKTLKYRPDFPKRFESIEAARVHCDRFFGWYNHEHKHSGIGLHTPADVHYGRADQIRRHRATVLDTAYRDHLERIRSQTTRATRATGLQRDQPTTEGGPADSINPRKSCLRNVDRFRPGLLDLPAPAPVDLRRLLPSGQIR