Page last updated: 2024-12-10

ter 199

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

Description

gamma-Glu-S-BzCys-PhGly diethyl ester: a glutathione-S-transferase (GST) inhibitor; structure given in first source [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID5310939
CHEMBL ID2110585
SCHEMBL ID420400
MeSH IDM0253470
PubMed CID25063260
CHEMBL ID2103810
MeSH IDM0253470

Synonyms (65)

Synonym
tlk-199
ezatiostat
ter 199
ethyl (2s)-2-amino-5-[[(2r)-3-benzylsulfanyl-1-[[(1r)-2-ethoxy-2-oxo-1-phenylethyl]amino]-1-oxopropan-2-yl]amino]-5-oxopentanoate
AKOS005266721
glycine, l-gamma-glutamyl-s-(phenylmethyl)-l-cysteinyl-2-phenyl-, diethyl ester, (2r)-
terrapin 199
gamma-glutamyl-s-(benzyl)-cysteinyl-r(-)-phenylglycine diethyl ester
057d10i8s8 ,
168682-53-9
ezatiostat [inn]
unii-057d10i8s8
glycine, n-(n-l-gamma-glutamyl-s-(phenylmethyl)-l-cysteinyl)-d-2-phenyl-, diethyl ester
NCGC00263221-01
glycine, l-.gamma.-glutamyl-s-(phenylmethyl)-l-cysteinyl-2-phenyl-, diethyl ester, (2r)-
ethyl (2r)-((4s)-4-amino-5-ethoxy-5-oxopentanoyl)-s-benzyl-l-cysteinyl-2-phenylglycinate
DB05460
HY-13634A
CS-1713
SCHEMBL420400
CHEMBL2110585
glycine, l-g-glutamyl-s-(phenylmethyl)-l-cysteinyl-2-phenyl-,1,3-diethyl ester, (2r)-
DTXSID40168592
1-(5-chloro-2-{2-[(2r)-4-(4-fluorobenzyl)-2-methyl-1-piperazinyl]-2-oxoethoxy}phenyl)urea
J-690234
EX-A345
ethyl (2s)-2-amino-4-{[(1r)-2-(benzylsulfanyl)-1-{[(1r)-2-ethoxy-2-oxo-1-phenylethyl]carbamoyl}ethyl]carbamoyl}butanoate
AS-74082
mfcd27982957
ezatiostat(ter199; tlk199)
ethyl n5-((r)-3-(benzylthio)-1-(((r)-2-ethoxy-2-oxo-1-phenylethyl)amino)-1-oxopropan-2-yl)-l-glutaminate
Q27095680
NCGC00263221-05
nsc758484
nsc-758484
telintra
ter-199
gamma-glu-s-bzcys-phgly diethyl ester
tlk199
D08917
286942-97-0
ezatiostat hydrochloride (usan)
ezatiostat hydrochloride
tlk-199 hydrochloride
CHEMBL2103810
unii-d59n834676
d59n834676 ,
ter199
ezatiostat hydrochloride [usan]
glycine, l-gamma-glutamyl-s-(phenylmethyl)-l-cysteinyl-2-phenyl-, diethyl ester, monohydrochloride, (2r)-
ezatiostat hcl
ethyl (2r)-((4s)-4-amino-5-ethoxy-5-oxopentanoyl)-s-benzyl-l-cysteinyl-2- phenylglycinate hydrochloride
ethyl (2r)-((4s)-4-amino-5-ethoxy-5-oxopentanoyl)-s-benzyl-l-cysteinyl-2-phenylglycinate hydrochloride
glycine, l-.gamma.-glutamyl-s-(phenylmethyl)-l-cysteinyl-2-phenyl-, diethyl ester, monohydrochloride, (2r)-
XJDYQYNYISTAMO-GFDYFVENSA-N
HY-13634
CS-1712
ezatiostat (hydrochloride)
DTXSID00182855
AKOS030526766
ter199;tlk199 (hydrochloride)
Q27276114
ethyl (2s)-2-amino-5-[[(2r)-3-benzylsulfanyl-1-[[(1r)-2-ethoxy-2-oxo-1-phenylethyl]amino]-1-oxopropan-2-yl]amino]-5-oxopentanoate;hydrochloride
glycine, l-?-glutamyl-s-(phenylmethyl)-l-cysteinyl-2-phenyl-, 1,3-diethyl ester, hydrochloride (1:1), (2r)-
glycine, l-gamma-glutamyl-s-(phenylmethyl)-l-cysteinyl-2-phenyl-, 1,3-diethyl ester, hydrochloride (1:1), (2r)-

Research Excerpts

Compound-Compound Interactions

ExcerptReferenceRelevance
"Ezatiostat was administered to 19 patients with non-deletion(5q) myelodysplastic syndrome (MDS) at one of two doses (2000 mg or 2500 mg/day) in combination with 10 mg of lenalidomide on days 1-21 of a 28-day cycle."( Phase 1 dose-ranging study of ezatiostat hydrochloride in combination with lenalidomide in patients with non-deletion (5q) low to intermediate-1 risk myelodysplastic syndrome (MDS).
Boccia, R; Brown, GL; Galili, N; Garcia-Manero, G; Lyons, RM; Mesa, RA; Mulford, D; Raza, A; Sekeres, MA; Smith, SE; Steensma, DP, 2012
)
0.38
"The tolerability and activity profile of ezatiostat co-administered with lenalidomide supports the further development of ezatiostat in combination with lenalidomide in MDS and also encourages studies of this combination in other hematologic malignancies where lenalidomide is active."( Phase 1 dose-ranging study of ezatiostat hydrochloride in combination with lenalidomide in patients with non-deletion (5q) low to intermediate-1 risk myelodysplastic syndrome (MDS).
Boccia, R; Brown, GL; Galili, N; Garcia-Manero, G; Lyons, RM; Mesa, RA; Mulford, D; Raza, A; Sekeres, MA; Smith, SE; Steensma, DP, 2012
)
0.38

Bioavailability

ExcerptReferenceRelevance
"The ATP-binding cassette transporter P-glycoprotein (P-gp) is known to limit both brain penetration and oral bioavailability of many chemotherapy drugs."( A High-Throughput Screen of a Library of Therapeutics Identifies Cytotoxic Substrates of P-glycoprotein.
Ambudkar, SV; Brimacombe, KR; Chen, L; Gottesman, MM; Guha, R; Hall, MD; Klumpp-Thomas, C; Lee, OW; Lee, TD; Lusvarghi, S; Robey, RW; Shen, M; Tebase, BG, 2019
)
0.51

Dosage Studied

ExcerptRelevanceReference
"Patients were randomized by 1 stratification factor-baseline cytopenia (anemia only vs anemia with additional cytopenias)-to 1 of 2 extended dosing schedules."( A phase 2 randomized multicenter study of 2 extended dosing schedules of oral ezatiostat in low to intermediate-1 risk myelodysplastic syndrome.
Boccia, RV; Brown, GL; Faderl, S; Galili, N; Godwin, J; Komrokji, RS; List, AF; Mahadevan, D; Mulford, D; Myint, H; Rarick, M; Raza, A; Schaar, D; Sekeres, M; Smith, SE, 2012
)
0.38
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Protein Targets (5)

Potency Measurements

ProteinTaxonomyMeasurementAverage (µ)Min (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Fumarate hydrataseHomo sapiens (human)Potency37.22120.00308.794948.0869AID1347053
PPM1D proteinHomo sapiens (human)Potency58.68200.00529.466132.9993AID1347411
EWS/FLI fusion proteinHomo sapiens (human)Potency37.22120.001310.157742.8575AID1259255; AID1259256
polyproteinZika virusPotency37.22120.00308.794948.0869AID1347053
Interferon betaHomo sapiens (human)Potency58.68200.00339.158239.8107AID1347411
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Biological Processes (30)

Processvia Protein(s)Taxonomy
cell surface receptor signaling pathway via JAK-STATInterferon betaHomo sapiens (human)
response to exogenous dsRNAInterferon betaHomo sapiens (human)
B cell activation involved in immune responseInterferon betaHomo sapiens (human)
cell surface receptor signaling pathwayInterferon betaHomo sapiens (human)
cell surface receptor signaling pathway via JAK-STATInterferon betaHomo sapiens (human)
response to virusInterferon betaHomo sapiens (human)
positive regulation of autophagyInterferon betaHomo sapiens (human)
cytokine-mediated signaling pathwayInterferon betaHomo sapiens (human)
natural killer cell activationInterferon betaHomo sapiens (human)
positive regulation of peptidyl-serine phosphorylation of STAT proteinInterferon betaHomo sapiens (human)
cellular response to interferon-betaInterferon betaHomo sapiens (human)
B cell proliferationInterferon betaHomo sapiens (human)
negative regulation of viral genome replicationInterferon betaHomo sapiens (human)
innate immune responseInterferon betaHomo sapiens (human)
positive regulation of innate immune responseInterferon betaHomo sapiens (human)
regulation of MHC class I biosynthetic processInterferon betaHomo sapiens (human)
negative regulation of T cell differentiationInterferon betaHomo sapiens (human)
positive regulation of transcription by RNA polymerase IIInterferon betaHomo sapiens (human)
defense response to virusInterferon betaHomo sapiens (human)
type I interferon-mediated signaling pathwayInterferon betaHomo sapiens (human)
neuron cellular homeostasisInterferon betaHomo sapiens (human)
cellular response to exogenous dsRNAInterferon betaHomo sapiens (human)
cellular response to virusInterferon betaHomo sapiens (human)
negative regulation of Lewy body formationInterferon betaHomo sapiens (human)
negative regulation of T-helper 2 cell cytokine productionInterferon betaHomo sapiens (human)
positive regulation of apoptotic signaling pathwayInterferon betaHomo sapiens (human)
response to exogenous dsRNAInterferon betaHomo sapiens (human)
B cell differentiationInterferon betaHomo sapiens (human)
natural killer cell activation involved in immune responseInterferon betaHomo sapiens (human)
adaptive immune responseInterferon betaHomo sapiens (human)
T cell activation involved in immune responseInterferon betaHomo sapiens (human)
humoral immune responseInterferon betaHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Molecular Functions (5)

Processvia Protein(s)Taxonomy
cytokine activityInterferon betaHomo sapiens (human)
cytokine receptor bindingInterferon betaHomo sapiens (human)
type I interferon receptor bindingInterferon betaHomo sapiens (human)
protein bindingInterferon betaHomo sapiens (human)
chloramphenicol O-acetyltransferase activityInterferon betaHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Ceullar Components (2)

Processvia Protein(s)Taxonomy
extracellular spaceInterferon betaHomo sapiens (human)
extracellular regionInterferon betaHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Bioassays (33)

Assay IDTitleYearJournalArticle
AID1347082qHTS for Inhibitors of the Functional Ribonucleoprotein Complex (vRNP) of Lassa (LASV) Arenavirus: LASV Primary Screen - GLuc reporter signal2020Antiviral research, 01, Volume: 173A cell-based, infectious-free, platform to identify inhibitors of lassa virus ribonucleoprotein (vRNP) activity.
AID1346987P-glycoprotein substrates identified in KB-8-5-11 adenocarcinoma cell line, qHTS therapeutic library screen2019Molecular pharmacology, 11, Volume: 96, Issue:5
A High-Throughput Screen of a Library of Therapeutics Identifies Cytotoxic Substrates of P-glycoprotein.
AID1296008Cytotoxic Profiling of Annotated Libraries Using Quantitative High-Throughput Screening2020SLAS discovery : advancing life sciences R & D, 01, Volume: 25, Issue:1
Cytotoxic Profiling of Annotated and Diverse Chemical Libraries Using Quantitative High-Throughput Screening.
AID1347107qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh30 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347093qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-MC cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347089qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for TC32 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347102qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh18 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1346986P-glycoprotein substrates identified in KB-3-1 adenocarcinoma cell line, qHTS therapeutic library screen2019Molecular pharmacology, 11, Volume: 96, Issue:5
A High-Throughput Screen of a Library of Therapeutics Identifies Cytotoxic Substrates of P-glycoprotein.
AID1347106qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for control Hh wild type fibroblast cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347092qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for A673 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347099qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB1643 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1508630Primary qHTS for small molecule stabilizers of the endoplasmic reticulum resident proteome: Secreted ER Calcium Modulated Protein (SERCaMP) assay2021Cell reports, 04-27, Volume: 35, Issue:4
A target-agnostic screen identifies approved drugs to stabilize the endoplasmic reticulum-resident proteome.
AID1347154Primary screen GU AMC qHTS for Zika virus inhibitors2020Proceedings of the National Academy of Sciences of the United States of America, 12-08, Volume: 117, Issue:49
Therapeutic candidates for the Zika virus identified by a high-throughput screen for Zika protease inhibitors.
AID1347083qHTS for Inhibitors of the Functional Ribonucleoprotein Complex (vRNP) of Lassa (LASV) Arenavirus: Viability assay - alamar blue signal for LASV Primary Screen2020Antiviral research, 01, Volume: 173A cell-based, infectious-free, platform to identify inhibitors of lassa virus ribonucleoprotein (vRNP) activity.
AID1347090qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for DAOY cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347095qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB-EBc1 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347104qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for RD cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347096qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for U-2 OS cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347091qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1745845Primary qHTS for Inhibitors of ATXN expression
AID1347105qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for MG 63 (6-TG R) cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347094qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-37 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347098qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-SH cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347101qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-12 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347086qHTS for Inhibitors of the Functional Ribonucleoprotein Complex (vRNP) of Lymphocytic Choriomeningitis Arenaviruses (LCMV): LCMV Primary Screen - GLuc reporter signal2020Antiviral research, 01, Volume: 173A cell-based, infectious-free, platform to identify inhibitors of lassa virus ribonucleoprotein (vRNP) activity.
AID1347097qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Saos-2 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347103qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for OHS-50 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347100qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for LAN-5 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID686947qHTS for small molecule inhibitors of Yes1 kinase: Primary Screen2013Bioorganic & medicinal chemistry letters, Aug-01, Volume: 23, Issue:15
Identification of potent Yes1 kinase inhibitors using a library screening approach.
AID1347108qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh41 cells2018Oncotarget, Jan-12, Volume: 9, Issue:4
Quantitative high-throughput phenotypic screening of pediatric cancer cell lines identifies multiple opportunities for drug repurposing.
AID1347411qHTS to identify inhibitors of the type 1 interferon - major histocompatibility complex class I in skeletal muscle: primary screen against the NCATS Mechanism Interrogation Plate v5.0 (MIPE) Libary2020ACS chemical biology, 07-17, Volume: 15, Issue:7
High-Throughput Screening to Identify Inhibitors of the Type I Interferon-Major Histocompatibility Complex Class I Pathway in Skeletal Muscle.
AID1794808Fluorescence-based screening to identify small molecule inhibitors of Plasmodium falciparum apicoplast DNA polymerase (Pf-apPOL).2014Journal of biomolecular screening, Jul, Volume: 19, Issue:6
A High-Throughput Assay to Identify Inhibitors of the Apicoplast DNA Polymerase from Plasmodium falciparum.
AID1794808Fluorescence-based screening to identify small molecule inhibitors of Plasmodium falciparum apicoplast DNA polymerase (Pf-apPOL).
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (32)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's4 (12.50)18.2507
2000's7 (21.88)29.6817
2010's13 (40.63)24.3611
2020's8 (25.00)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 18.69

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 Index18.69 (24.57)
Research Supply Index2.48 (2.92)
Research Growth Index4.55 (4.65)
Search Engine Demand Index10.37 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (18.69)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Trials4 (19.05%)5.53%
Reviews0 (0.00%)6.00%
Reviews7 (33.33%)6.00%
Case Studies0 (0.00%)4.05%
Case Studies2 (9.52%)4.05%
Observational0 (0.00%)0.25%
Observational0 (0.00%)0.25%
Other11 (100.00%)84.16%
Other8 (38.10%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]