Page last updated: 2024-11-08

mycothiol

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

mycothiol: a glyco-inositol-cysteine found in MYCOBACTERIUM BOVIS which conjugates exogenous compounds for detoxication; it is a microbe counterpart to eucaryotic GLUTATHIONE; acted on by mycothiol disulfide reductase and mycothiol S-conjugate amidase and MDF dehydrogenase; [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

mycothiol S-conjugate : Any S-conjugate of mycothiol. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

mycothiol : A pseudodisaccharide, 1D-myo-inosityl-alpha-D-glucopyranoside, in which the hydroxy group at the 2-position of the glucose moiety is replaced by an (N-acetyl-L-cysteinyl)amido group. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Cross-References

ID SourceID
PubMed CID441148
CHEBI ID16768
SCHEMBL ID524869
MeSH IDM0236038

Synonyms (32)

Synonym
CHEBI:16768
1-o-[2-(n(2)-acetyl-l-cysteinamido)-2-deoxy-alpha-d-glucopyranosyl]-1d-myo-inositol
1-o-[2-(n-acetyl-l-cysteinamido)-2-deoxy-alpha-d-glucopyranosyl]-d-myo-inositol
1-o-[2-[[(2r)-2-(acetylamino)-3-mercapto-1-oxopropyl]amino]-2-deoxy-alpha-d-glucopyranosyl]-d-myo-inositol
(1s,2r,3r,4s,5s,6r)-2,3,4,5,6-pentahydroxycyclohexyl 2-[(n-acetyl-l-cysteinyl)amino]-2-deoxy-alpha-d-glucopyranoside
192126-76-4
1d-1-o-[2-(n-acetyl-l-cysteinamido)-2-deoxy-alpha-d-glucopyranosyl]-myo-inositol
1-d-myo-inositol-2-(n-acetyl-l-cysteinyl)amino-2-deoxy-alpha-d-glucopyranoside
1-o-{2-[(n-acetyl-l-cysteinyl)amino]-2-deoxy-alpha-d-glucopyranosyl}-1d-myo-inositol
1-o-(2-[n-acetyl-l-cysteinyl]amido-2-deoxy-alpha-d-glucopyranosyl)-d-myo-inositol
1-o-(2'-[n-acetyl-l-cysteinyl]amido-2'-deoxy-alpha-d-glucopyranosyl)-d-myo-inositol
1-d-myo-inosityl-2-(n-acetylcysteinyl)amido-2-deoxy-alpha-d-glucopyranoside
C06717
msh
1-o-[2-(n2-acetyl-l-cysteinamido)-2-deoxy-alpha-d-glucopyranosyl]-1d-myo-inositol
mycothiol
accys-glcn-ins
mycothiol s-conjugate
rta4hg7fq7 ,
u 17
unii-rta4hg7fq7
u17 cysteine
SCHEMBL524869
MQBCDKMPXVYCGO-MGQAWMCHSA-N
Q4382082
(r)-2-acetamido-n-((2r,3r,4r,5s,6r)-4,5-dihydroxy-6-(hydroxymethyl)-2-(((1s,2r,3r,4s,5s,6r)-2,3,4,5,6-pentahydroxycyclohexyl)oxy)tetrahydro-2h-pyran-3-yl)-3-mercaptopropanamide
(2r)-2-acetamido-n-[(2r,3r,4r,5s,6r)-4,5-dihydroxy-6-(hydroxymethyl)-2-[(2r,3s,5r,6r)-2,3,4,5,6-pentahydroxycyclohexyl]oxyoxan-3-yl]-3-sulfanylpropanamide
DTXSID901027171
u-17
d-myo-inositol, 1-o-[2-[[(2r)-2-(acetylamino)-3-mercapto-1-oxopropyl]amino]-2-deoxy-alpha-d-glucopyranosyl]-
XGZ ,
AKOS040746140

Research Excerpts

Overview

Mycothiol is an abundant small molecular weight thiol found only in actinomycetes, which include mycobacteria. It has been suggested to serve both anti-oxidative and detoxifying roles. MyCothiol (MSH) is a glycosylated derivative of N-acetylcysteine.

ExcerptReferenceRelevance
"Mycothiol ligase (MshC) is a key enzyme in the biosynthesis of mycothiol, a small molecular weight thiol that is unique to actinomycetes and whose primary role is to maintain intracellular redox balance and remove toxins. "( Dequalinium, a new inhibitor of Mycobacterium tuberculosis mycothiol ligase identified by high-throughput screening.
Baker, H; Bewley, CA; Boshoff, H; Gutierrez-Lugo, MT; Shiloach, J, 2009
)
2.04
"Mycothiol (MSH) is a novel thiol comprised of N-acetylcysteine amide-linked to GlcN-alpha(1-1)-Ins. "( Mycothiol biochemistry.
Fahey, RC; Newton, GL, 2002
)
3.2
"Mycothiol is an abundant small molecular weight thiol found only in actinomycetes, which include mycobacteria. "( Solution conformations of mycothiol bimane, 1-D-GlcNAc-alpha-(1 --> 1)-D-myo-Ins and 1-D-GlcNAc-alpha-(1 --> 1)-L-myo-Ins.
Bewley, CA; Mahadevan, J; Nicholas, GM, 2003
)
2.06
"Mycothiol is a low molecular weight thiol compound produced by a number of actinomycetes, and has been suggested to serve both anti-oxidative and detoxifying roles. "( Identification of genes for mycothiol biosynthesis in Streptomyces coelicolor A3(2).
Cha, CJ; Park, JH; Roe, JH, 2006
)
2.07
"Mycothiol ligase (MshC) is a key enzyme in the biosynthesis of mycothiol, a small molecular weight thiol found in Mycobacteria spp. "( Cloning, expression and rapid purification of active recombinant mycothiol ligase as B1 immunoglobulin binding domain of streptococcal protein G, glutathione-S-transferase and maltose binding protein fusion proteins in Mycobacterium smegmatis.
Bewley, CA; Fahey, RC; Gutierrez-Lugo, MT; Newton, GL, 2006
)
2.01
"Mycothiol (MSH) is a small thiol molecule with a cysteine-ligated disaccharide structure found in actinomycetes that include streptomycetes and mycobacteria. "( Mycothiol regulates and is regulated by a thiol-specific antisigma factor RsrA and sigma(R) in Streptomyces coelicolor.
Park, JH; Roe, JH, 2008
)
3.23
"Mycothiol (MSH) is a glycosylated derivative of N-acetylcysteine that may have antioxidant functions in mycobacteria and other actinomycetes. "( An immunoassay for the detection and quantitative determination of mycothiol.
Davis, C; Fahey, RC; Newton, GL; Unson, MD, 1998
)
1.98
"Mycothiol is a novel thiol produced only by actinomycetes and is the major low-molecular-weight thiol in mycobacteria. "( N-Acetyl-1-D-myo-inosityl-2-amino-2-deoxy-alpha-D-glucopyranoside deacetylase (MshB) is a key enzyme in mycothiol biosynthesis.
Av-Gay, Y; Fahey, RC; Newton, GL, 2000
)
1.96
"Mycothiol is a low-molecular weight thiol produced by actinomycetes that serves to protect these organisms from oxidative stress and alkylating agents. "( Total synthesis and proof of structure of mycothiol bimane.
Bewley, CA; Kovác, P; Nicholas, GM, 2002
)
2.02
"Mycothiol is a novel thiol produced only by actinomycetes and is the major low molecular weight thiol in mycobacteria. "( ATP-dependent L-cysteine:1D-myo-inosityl 2-amino-2-deoxy-alpha-D-glucopyranoside ligase, mycothiol biosynthesis enzyme MshC, is related to class I cysteinyl-tRNA synthetases.
Fahey, RC; Newton, GL; Sareen, D; Steffek, M, 2002
)
1.98

Effects

Mycothiol biochemistry has characteristics similar to those of glutathione but also has a variety of unique features. It has antioxidant activity as well as the ability to detoxify a range of toxic compounds.

ExcerptReferenceRelevance
"Mycothiol biochemistry has characteristics similar to those of glutathione but also has a variety of unique features."( Mycothiol biochemistry.
Fahey, RC; Newton, GL, 2002
)
2.48
"Mycothiol has antioxidant activity as well as the ability to detoxify a variety of toxic compounds."( Association of mycothiol with protection of Mycobacterium tuberculosis from toxic oxidants and antibiotics.
Buchmeier, NA; Fahey, RC; Koledin, T; Newton, GL, 2003
)
1.39

Actions

Mycothiol (MSH) plays a major role in protecting cells against oxidative stress and detoxification from a broad range of exogenous toxic agents. MyCothiol plays a fundamental role in these organisms by helping to provide protection from the effects of reactive oxygen species.

ExcerptReferenceRelevance
"Mycothiol (MSH) plays important roles in maintaining cytosolic redox homeostasis and in adapting to reactive oxygen species in the high-(G + C)-content Gram-positive Actinobacteria. "( Physiological roles of mycothiol in detoxification and tolerance to multiple poisonous chemicals in Corynebacterium glutamicum.
Liu, YB; Long, MX; Lu, ZQ; Shen, XH; Si, MR; Wang, Y; Yin, YJ; Zhang, L, 2013
)
2.14
"Mycothiol (MSH) plays a major role in protecting cells against oxidative stress and detoxification from a broad range of exogenous toxic agents. "( Mycothiol protects Corynebacterium glutamicum against acid stress via maintaining intracellular pH homeostasis, scavenging ROS, and S-mycothiolating MetE.
Chen, C; Lin, J; Liu, Y; Pan, J; Shen, X; Si, M; Yang, X; Yin, Y, 2016
)
3.32
"Mycothiol plays a fundamental role in these organisms by helping to provide protection from the effects of reactive oxygen species and electrophiles, including many antibiotics."( Cloning, expression and rapid purification of active recombinant mycothiol ligase as B1 immunoglobulin binding domain of streptococcal protein G, glutathione-S-transferase and maltose binding protein fusion proteins in Mycobacterium smegmatis.
Bewley, CA; Fahey, RC; Gutierrez-Lugo, MT; Newton, GL, 2006
)
1.29
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Pathways (19)

PathwayProteinsCompounds
Disease1278231
Infectious disease89579
Latent infection of Homo sapiens with Mycobacterium tuberculosis3232
Latent infection - Other responses of Mtb to phagocytosis3233
Tolerance by Mtb to nitric oxide produced by macrophages1121
Infection with Mycobacterium tuberculosis7442
Bacterial Infection Pathways12347
Mycobacterium tuberculosis biological processes3962
Mycothiol metabolism828
Mycothiol biosynthesis619
Mycothiol catabolism14
Mycothiol-dependent detoxification210
methanol oxidation to carbon dioxide414
mycothiol-mediated detoxification110
arsenate detoxification III (mycothiol)47
mycothiol oxidation17
mycothiol biosynthesis520
gentisate degradation I610
formaldehyde oxidation III (mycothiol-dependent)29
superpathway of aromatic compound degradation3349

Research

Studies (157)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's11 (7.01)18.2507
2000's68 (43.31)29.6817
2010's69 (43.95)24.3611
2020's9 (5.73)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 29.68

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be moderate demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index29.68 (24.57)
Research Supply Index5.07 (2.92)
Research Growth Index5.08 (4.65)
Search Engine Demand Index39.34 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (29.68)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews17 (10.76%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other141 (89.24%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]