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UniProtKB - B1MM05 (TETX_MYCA9)
Protein
Flavin-dependent monooxygenase
Gene
tetX
Organism
Mycobacteroides abscessus (strain ATCC 19977 / DSM 44196 / CIP 104536 / JCM 13569 / NCTC 13031 / TMC 1543) (Mycobacterium abscessus)
Status
Functioni
An FAD-requiring monooxygenase active on some tetracycline antibiotic derivatives, which leads to their inactivation. Hydroxylates carbon 11a of tetracycline and some analogs (By similarity).
Confers resistance to tetracycline and doxycycline via an oxidoreductase activity; probably monooxygenates the antibiotics. Does not act on tigecycline (PubMed:29632012).
By similarity1 PublicationMiscellaneous
Although it has a similar activity to Bacteroides TetX it is phylogentically distinct and is thought to have evolved by convergent evolution.1 Publication
Catalytic activityi
- EC:1.14.13.2311 Publication
Cofactori
FADCurated
Activity regulationi
Inhibited by anhydrotetracycline.1 Publication
GO - Molecular functioni
- FAD binding Source: InterPro
- monooxygenase activity Source: UniProtKB-KW
GO - Biological processi
- response to antibiotic Source: UniProtKB-KW
Keywordsi
Molecular function | Monooxygenase, Oxidoreductase |
Biological process | Antibiotic resistance |
Ligand | FAD, Flavoprotein, NADP, Nucleotide-binding |
Names & Taxonomyi
Protein namesi | Recommended name: Flavin-dependent monooxygenaseCuratedAlternative name(s): Tetracycline destructase1 Publication |
Gene namesi | Name:tetXCurated Ordered Locus Names:MAB_1496c |
Organismi | Mycobacteroides abscessus (strain ATCC 19977 / DSM 44196 / CIP 104536 / JCM 13569 / NCTC 13031 / TMC 1543) (Mycobacterium abscessus) |
Taxonomic identifieri | 561007 [NCBI] |
Taxonomic lineagei | Bacteria › Actinobacteria › Corynebacteriales › Mycobacteriaceae › Mycobacteroides › Mycobacteroides abscessus |
Proteomesi |
|
Subcellular locationi
Cytoplasm and Cytosol
- Cytoplasm By similarity
Other locations
- cytoplasm Source: UniProtKB-SubCell
Keywords - Cellular componenti
CytoplasmPathology & Biotechi
Disruption phenotypei
Cells are about 2-fold more sensitive to tetracycline and doxycycline, but remain sensitive to tigecycline, a broad spectrum glycylcycline antibiotic.1 Publication
PTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000448380 | 1 – 475 | Flavin-dependent monooxygenaseAdd BLAST | 475 |
Expressioni
Inductioni
Expression increases >200-fold after exposure to tetracycline, doxycycline or inhibitor anhydrotetracycline but not tigecycline; expression is repressed by upstream TetR (MAB_1497c), is not under control of whiB7. Probably part of the TetR-TetX operon.1 Publication
Family & Domainsi
Sequence similaritiesi
Belongs to the aromatic-ring hydroxylase family.Curated
Phylogenomic databases
OMAi | PQWRTQE |
Family and domain databases
Gene3Di | 3.50.50.60, 1 hit |
InterProi | View protein in InterPro IPR002938, FAD-bd IPR036188, FAD/NAD-bd_sf |
Pfami | View protein in Pfam PF01494, FAD_binding_3, 1 hit |
SUPFAMi | SSF51905, SSF51905, 1 hit |
i Sequence
Sequence statusi: Complete.
B1MM05-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MTVVIAGAGP TGLTLACELT RRGIACRVLD KAPDLFPGSR GKGLSPRTQE
60 70 80 90 100
VFDDLGIAPA INSGGMAMPP FRIYAGHEVV AERSLVEMLG TDIPSGPGIP
110 120 130 140 150
YPGFWLVPQW RTDEILLDRL RQFGGDVEFN CEVVGFTQRS DAVSVMVSQG
160 170 180 190 200
GAPELLHASY LVGADGGRST VRKMLGVGFA GETFERERTL IGDVRADGLE
210 220 230 240 250
GSFCHVLTRD GQVSERFSLW NLPGSEHYQF VANMATEDVP ALTLDAVQKL
260 270 280 290 300
VVDRSGRDDI VLRDLRWISL YRVNARMVDR FRVGRVILAG DAAHVHSSAG
310 320 330 340 350
GQGLNTSVQD AYNLGWKLAA VIYGAPEKLL DTYEEERMPV AASVLGLSTD
360 370 380 390 400
LHHRNFAPAK GPAPQLHQMD ITYRGCSLAV DDRVFQGNLR AGDRAPDALL
410 420 430 440 450
DNGVRLFDVL RGTHFTLLTF GAQAPVIADV CIQQMTPSPD YDVTATTLVL
460 470
VRPDGYIGVM TESGRTVLEY LARVV
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | CU458896 Genomic DNA Translation: CAM61582.1 |
RefSeqi | WP_005114138.1, NZ_MLCG01000002.1 |
Genome annotation databases
EnsemblBacteriai | CAM61582; CAM61582; MAB_1496c |
GeneIDi | 66971881 |
KEGGi | mab:MAB_1496c |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | CU458896 Genomic DNA Translation: CAM61582.1 |
RefSeqi | WP_005114138.1, NZ_MLCG01000002.1 |
3D structure databases
SMRi | B1MM05 |
ModBasei | Search... |
Genome annotation databases
EnsemblBacteriai | CAM61582; CAM61582; MAB_1496c |
GeneIDi | 66971881 |
KEGGi | mab:MAB_1496c |
Phylogenomic databases
OMAi | PQWRTQE |
Family and domain databases
Gene3Di | 3.50.50.60, 1 hit |
InterProi | View protein in InterPro IPR002938, FAD-bd IPR036188, FAD/NAD-bd_sf |
Pfami | View protein in Pfam PF01494, FAD_binding_3, 1 hit |
SUPFAMi | SSF51905, SSF51905, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | TETX_MYCA9 | |
Accessioni | B1MM05Primary (citable) accession number: B1MM05 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | October 16, 2019 |
Last sequence update: | April 29, 2008 | |
Last modified: | February 23, 2022 | |
This is version 71 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Prokaryotic Protein Annotation Program |