Page last updated: 2024-12-06

enterobactin

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

Enterobactin is a siderophore produced by Escherichia coli and other bacteria. It is a high-affinity iron chelator that plays a crucial role in bacterial iron uptake. Enterobactin is synthesized by a non-ribosomal peptide synthetase (NRPS) enzyme complex. It consists of three units of 2,3-dihydroxybenzoylserine (DHBS) linked together by ester bonds. Enterobactin exhibits a remarkably high affinity for ferric iron (Fe3+), with a binding constant of 10^49. This strong binding ability allows bacteria to scavenge iron from their environment, even at very low concentrations. Iron is essential for bacterial growth and survival, and enterobactin's ability to acquire iron is critical for bacterial pathogenesis. Enterobactin is involved in various infections, including urinary tract infections, bacteremia, and meningitis. Researchers are studying enterobactin to develop novel antibacterial therapies that target bacterial iron uptake. These therapies could potentially disrupt bacterial growth and virulence by inhibiting enterobactin synthesis or its binding to iron.'

Cross-References

ID SourceID
PubMed CID34231
CHEMBL ID432995
CHEBI ID28855
SCHEMBL ID263621
MeSH IDM0007475

Synonyms (37)

Synonym
CHEBI:28855 ,
n,n',n''-[(3s,7s,11s)-2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl]tris(2,3-dihydroxybenzamide)
(3s-(3r*,7r*,11r*))-n,n',n''-(2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl)tris(2,3-dihydroxybenzamide)
h6ent
benzamide, n,n',n''-(2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl)tris[2,3-dihydroxy-, [3s-(3r*,7r*,11r*)]-
1,5,9-trioxacyclododecane, benzamide deriv.
cyclotris(n-2,3-dihydroxybenzoyl-l-seryl)
enterochellin
benzamide, n,n',n''-[(3s,7s,11s)-2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl]tris[2,3-dihydroxy- (9ci)
benzamide, n,n',n''-[(3s,7s,11s)-2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl]tris[2,3-dihydroxy-
o-pyrocatechuamide, n,n',n''-(2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl)tris- (8ci)
enterochelin
n-(2,3-dihydroxybenzoyl)-o-[n-(2,3-dihydroxybenzoyl)-o-[n-(2,3-dihydroxybenzoyl)-l-seryl]-l-seryl]-l-serine-(3->1(3))-lactone
C05821
ENTEROBACTIN ,
tri-(n-(2,3-dihydroxybenzoyl)-l-serine)-ester
tri-(2,3-dihydroxy-n-benzoyl-l-serine)-ester
28384-96-5
n-[(3s,7s,11s)-7,11-bis[(2,3-dihydroxybenzoyl)amino]-2,6,10-trioxo-1,5,9-trioxacyclododec-3-yl]-2,3-dihydroxybenzamide
CHEMBL432995
EB4 ,
chymosin preparation, escherichia coli k-12
unii-35c9r2n24f
benzamide, n,n',n''-(2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl)tris(2,3-dihydroxy-, (3s-(3r*,7r*,11r*)))-
35c9r2n24f ,
benzamide, n,n',n''-(2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl)tris(2,3-dihydroxy-, (3s-(3r*,7r*,11r*))-
SCHEMBL263621
2XUZ
benzamide, n,n',n''-((3s,7s,11s)-2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl)tris(2,3-dihydroxy-
enterobactin [mi]
n-(2,3-dihydroxybenzoyl)-l-serine trimolecular cyclic ester
DTXSID40182617
n-[(3s,7s,11s)-7,11-bis[(2,3-dihydroxybenzene)amido]-2,6,10-trioxo-1,5,9-trioxacyclododecan-3-yl]-2,3-dihydroxybenzamide
n,n',n''-((3s,7s,11s)-2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl)tris(2,3-dihydroxybenzamide)
Q523354
n,n',n''-((3s,7s,11s)-2,6,10- trioxo-1,5,9-trioxacyclododecane- 3,7,11-triyl)tris(2,3-dihydroxybenzamide)
F77042

Research Excerpts

Overview

Enterobactin (ENT) is a siderophore (iron-chelating compound) produced by Escherichia coli. It is used to gain access to iron, an indispensable nutrient for bacterial growth.

ExcerptReferenceRelevance
"Enterobactin (ENT) is a tris-catechol siderophore used to acquire iron by multiple bacterial species. "( Hijacking of the Enterobactin Pathway by a Synthetic Catechol Vector Designed for Oxazolidinone Antibiotic Delivery in
Ceccarelli, M; Faucon, AL; Gasser, V; Hoegy, F; Milenkovic, S; Mislin, GLA; Moynié, L; Munier, M; Naismith, JH; Paulen, A; Schalk, IJ; Zill, N, 2022
)
2.5
"Enterobactin is a secondary metabolite produced by Enterobacteriaceae for acquiring iron, an essential metal nutrient. "( Determination of the Molecular Structures of Ferric Enterobactin and Ferric Enantioenterobactin Using Racemic Crystallography.
Johnstone, TC; Nolan, EM, 2017
)
2.15
"Enterobactin (ENT) is a siderophore (iron-chelating compound) produced by Escherichia coli to gain access to iron, an indispensable nutrient for bacterial growth. "( A Key Role for the Periplasmic PfeE Esterase in Iron Acquisition via the Siderophore Enterobactin in Pseudomonas aeruginosa.
Gasser, V; Godet, J; Hoegy, F; Mély, Y; Mislin, GLA; Moynié, L; Munier, M; Naismith, JH; Perraud, Q; Schalk, IJ, 2018
)
2.15
"Enterobactin (Ent) is a typical siderophore with strong iron affinity. "( The folding equilibria of enterobactin enantiomers and their interaction with actinides.
Chai, Z; Liu, Z; Wang, D, 2019
)
2.26
"Enterobactin is a kind of catechol siderophore that exhibits the highest affinity to iron atoms secreted by E."( An unusual crystal structure of ferric-enterobactin bound FepB suggests novel functions of FepB in microbial iron uptake.
Gu, L; Huang, Y; Li, B; Li, N; Liu, X; Xu, S; Yue, Y, 2016
)
1.42
"Enterobactin is a catecholate-type siderophore produced by several enterobacterial genera grown in severe iron deprivation."( A gene of the major facilitator superfamily encodes a transporter for enterobactin (Enb1p) in Saccharomyces cerevisiae.
Ernst, JF; Heymann, P; Winkelmann, G, 2000
)
1.26

Toxicity

ExcerptReferenceRelevance
" coli against the toxic effects of pyochelin by reducing ROS."( Catecholate siderophores protect bacteria from pyochelin toxicity.
Adler, C; Clardy, J; Corbalán, NS; de Cristóbal, RE; Kolter, R; Pomares, MF; Seyedsayamdost, MR; Vincent, PA, 2012
)
0.38

Bioavailability

ExcerptReferenceRelevance
" This substance is well absorbed orally and has been shown to enhance the excretion of ferric ion in iron loaded rats."( [Iron chelation. Biological significance and medical application].
Peter, HH, 1983
)
0.27
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Roles (2)

RoleDescription
siderophoreAny of low-molecular-mass iron(III)-chelating compounds produced by microorganisms for the purpose of the transport and sequestration of iron.
bacterial metaboliteAny prokaryotic metabolite produced during a metabolic reaction in bacteria.
[role information is derived from 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]

Drug Classes (4)

ClassDescription
crown compoundA macrocyclic polydentate compound, usually uncharged, in which three or more coordinating ring atoms are or may become suitably close for easy formation of chelate complexes with metal ions or other cationic species.
catecholsAny compound containing an o-diphenol component.
polyphenolMembers of the class of phenols that contain 2 or more benzene rings each of which is substituted by at least one hydroxy group.
macrotriolideA macropolylide which contains three ester linkages in one macrocyclic ring.
[compound class information is derived from 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]

Pathways (4)

PathwayProteinsCompounds
Biosynthesis of Siderophore Group Nonribosomal Peptides1821
Inner Membrane Transport7862
Enterobactin Biosynthesis514
enterobactin biosynthesis519
superpathway of chorismate metabolism56186

Bioassays (27)

Assay IDTitleYearJournalArticle
AID65366The ability of the artificial siderophores to support the growth of Escherichia coli strain RW 193 was evaluated at the concentration of 25 uM.1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 2. Syntheses of trihydroxamate analogues of rhodotorulic acid and their biological iron transport capabilities in Escherichia coli.
AID64411Compound (1 mM) was tested for the ability to stimulate growth of Escherichia coli RW 193 at 18h; nd=Not determined1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID64407Compound (0.2 mM) was tested for the ability to stimulate growth of Escherichia coli UT 2300 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID65365The ability of the artificial siderophores to support the growth of Escherichia coli strain BN 3306 was evaluated at the concentration of 25 uM.1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 2. Syntheses of trihydroxamate analogues of rhodotorulic acid and their biological iron transport capabilities in Escherichia coli.
AID64410Compound (1 mM) was tested for the ability to stimulate growth of Escherichia coli RW 193 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID64409Compound (10 mM) was tested for the ability to stimulate growth of Escherichia coli UT 2300 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID213753Compound (1 mM) was tested for the ability to stimulate growth of Vibrio cholera 1510 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID69296Ability to support the growth of Escherichia coli strain BNV3040 from 20 uM stock solution was determined in growth response assay1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 1. Synthesis and microbial iron transport capabilities.
AID210775Ability to remove iron from human iron transport protein transferrin, at a concentration of 0.2 mM, expressed as % iron removal in 30 minutes1983Journal of medicinal chemistry, Mar, Volume: 26, Issue:3
Ferric ion sequestering agents. 11. Synthesis and kinetics of iron removal from transferrin of catechoyl derivatives of desferrioxamine B.
AID65367The ability of the artificial siderophores to support the growth of Escherichia coli strain RWB7 was evaluated at the concentration of 25 uM; No growth around the disc1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 2. Syntheses of trihydroxamate analogues of rhodotorulic acid and their biological iron transport capabilities in Escherichia coli.
AID213749Compound (10 mM) was tested for the ability to stimulate growth of Vibrio cholera 1510 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID1179555Binding affinity to quail siderocalin Q83 by NMR analysis2014Journal of medicinal chemistry, Oct-09, Volume: 57, Issue:19
Elements and modulation of functional dynamics.
AID231841Relative effectiveness at a concentration of 0.2mM, on removal of Fe from transferrin as compared to Desferal1983Journal of medicinal chemistry, Mar, Volume: 26, Issue:3
Ferric ion sequestering agents. 11. Synthesis and kinetics of iron removal from transferrin of catechoyl derivatives of desferrioxamine B.
AID213754Compound (1 mM) was tested for the ability to stimulate growth of Vibrio cholera Lou 15 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID1123145Iron sequestering activity of the compound assessed as [Fe(H2O)6]3+ formation at 10'-5 M at pH 7.4 by spectrophotometrically in presence of 10'-6 M total iron concentration1979Journal of medicinal chemistry, Nov, Volume: 22, Issue:11
Sulfonated catecholamide analogues of enterobactin as iron sequestering agents.
AID65364The ability of the artificial siderophores to support the growth of Escherichia coli strain BN 3300 was evaluated at the concentration of 25 uM.1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 2. Syntheses of trihydroxamate analogues of rhodotorulic acid and their biological iron transport capabilities in Escherichia coli.
AID69288Ability to support the growth of Escherichia coli strain BN3300 from 20 uM stock solution was determined in growth response assay1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 1. Synthesis and microbial iron transport capabilities.
AID213746Compound (0.2 mM) was tested for the ability to stimulate growth of Vibrio cholera 1510 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID213747Compound (0.2 mM) was tested for the ability to stimulate growth of Vibrio cholera Lou 15 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID213758Compound (10 mM) was tested for the ability to stimulate growth of Vibrio cholera Lou 15 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID69447Ability to support the growth of Escherichia coli strain AN193 from 20 uM stock solution was determined in growth response assay1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 1. Synthesis and microbial iron transport capabilities.
AID69304Ability to support the growth of Escherichia coli strain RW 193 from 20 uM stock solution was determined in growth response assay1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 1. Synthesis and microbial iron transport capabilities.
AID69312Ability to support the growth of Escherichia coli strain RWB7 from 20 uM stock solution was determined in growth response assay; No growth around disc1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 1. Synthesis and microbial iron transport capabilities.
AID64412Compound (1 mM) was tested for the ability to stimulate growth of Escherichia coli UT 2300 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID65363The ability of the artificial siderophores to support the growth of Escherichia coli strain AN 193 was evaluated at the concentration of 25 uM.1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 2. Syntheses of trihydroxamate analogues of rhodotorulic acid and their biological iron transport capabilities in Escherichia coli.
AID64406Compound (0.2 mM) was tested for the ability to stimulate growth of Escherichia coli RW 193 at 18 h1989Journal of medicinal chemistry, Feb, Volume: 32, Issue:2
Spermexatin and spermexatol: new synthetic spermidine-based siderophore analogues.
AID69439Ability to support the growth of Escherichia coli strain RWV193 from 20 uM stock solution was determined in growth response assay1985Journal of medicinal chemistry, Mar, Volume: 28, Issue:3
Artificial siderophores. 1. Synthesis and microbial iron transport capabilities.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (504)

TimeframeStudies, This Drug (%)All Drugs %
pre-1990135 (26.79)18.7374
1990's91 (18.06)18.2507
2000's120 (23.81)29.6817
2010's117 (23.21)24.3611
2020's41 (8.13)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 40.83

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 strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index40.83 (24.57)
Research Supply Index6.23 (2.92)
Research Growth Index4.58 (4.65)
Search Engine Demand Index63.00 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (40.83)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials2 (0.39%)5.53%
Reviews29 (5.72%)6.00%
Case Studies2 (0.39%)4.05%
Observational0 (0.00%)0.25%
Other474 (93.49%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]