Page last updated: 2024-10-14

hti-286

Description

HTI-286: a synthetic analog of the tripeptide hemiasterlin; structure in first source [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID6918637
CHEMBL ID182319
SCHEMBL ID57122
SCHEMBL ID4378011
MeSH IDM0460181

Synonyms (41)

Synonym
phenylhemiasterlin
(e)-(s)-4-{[(s)-3,3-dimethyl-2-((s)-3-methyl-2-methylamino-3-phenyl-butyrylamino)-butyryl]-methyl-amino}-2,5-dimethyl-hex-2-enoic acid
bdbm50150589
(s)-2,5-dimethyl-4-((s)-n,3,3-trimethyl-2-((s)-3-methyl-2-(methylamino)-3-phenylbutanamido)butanamido)hex-2-enoic acid
(s,e)-2,5-dimethyl-4-((s)-n,3,3-trimethyl-2-((s)-3-methyl-2-(methylamino)-3-phenylbutanamido)butanamido)hex-2-enoic acid
4-{[3,3-dimethyl-2-(3-methyl-2-methylamino-3-phenyl-butyrylamino)-butyryl]-methyl-amino}-2,5-dimethyl-hex-2-enoic acid
spa-110
taltobulin
hti-286
D06001
taltobulin (usan/inn)
228266-40-8
l-valinamide, n,beta,beta-trimethyl-l-phenylalanyl-n-((1s,2e)-3-carboxy-1-(1-methylethyl)-2-butenyl)-n,3-dimethyl-
l-valinamide, n,beta,beta-trimethyl-l-phenylalanine-n-((1s,2e)-3-carboxy-1-(1-methylethyl)-2-butenyl)-n,3-dimethyl-
(4s)-4-(((2s)-3,3-dimethyl-2-(((2s)-3-methyl-2-(methylamino)-3-phenylbutanoyl)amino)butanoyl)methylamino)-2,5-dimethylhex-2-enoic acid
hti 286
spa 110
n,beta,beta-trimethyl-l-phenylalanyl-n-[(3s,4e)-5-carboxy-2-methylhex-4-en-3-yl]-n,3-dimethyl-l-valinamide
CHEMBL182319 ,
(e,4s)-4-[[(2s)-3,3-dimethyl-2-[[(2s)-3-methyl-2-(methylamino)-3-phenylbutanoyl]amino]butanoyl]-methylamino]-2,5-dimethylhex-2-enoic acid
unii-j6d6912bxs
taltobulin [usan:inn]
j6d6912bxs ,
(4s)-4-[[(2s)-3,3-dimethyl-2-[[(2s)-3-methyl-2-(methylamino)-3-phenylbutanoyl]amino]butanoyl]methylamino]-2,5-dimethylhex-2-enoic acid
taltobulin [inn]
taltobulin [usan]
l-valinamide,n,.beta.,.beta.-trimethyl-l-phenylalanine-n-((1s,2e)-3-carboxy-1-(1-methylethyl)-2-butenyl)-n,3-dimethyl
CS-3299
HY-15584
SCHEMBL57122
SCHEMBL4378011
CNTMOLDWXSVYKD-PSRNMDMQSA-N
n,beta,beta-trimethyl-l-phenylalanyl-n1-[(1s,2e)-3-carboxy-1-isopropylbut-2-enyl]-n1,3-dimethyl-l-valinamide
DTXSID2041040
NCGC00386600-02
hti-286;spa-110
Q27281267
A911116
(s,e)-4-(((s)-3,3-dimethyl-1-((s)-3-methyl-2-(methylamino)-3-phenylbutanamido)-1-oxobutan-2-yl)(methyl)amino)-2,5-dimethylhex-2-enoic acid
MS-28787
E98768

Bioavailability

ExcerptReference
"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
)
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Protein Targets (2)

Potency Measurements

ProteinTaxonomyMeasurementAverage (µ)Min (ref.)Avg (ref.)Max (ref.)Bioassay(s)
cytochrome P450 family 3 subfamily A polypeptide 4Homo sapiens (human)Potency33.78580.01237.983543.2770AID1645841
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Activation Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Tubulin beta-1 chainHomo sapiens (human)Kd0.26000.05800.58941.8600AID238035
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Biological Processes (8)

Processvia Protein(s)Taxonomy
platelet formationTubulin beta-1 chainHomo sapiens (human)
thyroid gland developmentTubulin beta-1 chainHomo sapiens (human)
microtubule polymerizationTubulin beta-1 chainHomo sapiens (human)
spindle assemblyTubulin beta-1 chainHomo sapiens (human)
thyroid hormone transportTubulin beta-1 chainHomo sapiens (human)
platelet aggregationTubulin beta-1 chainHomo sapiens (human)
mitotic cell cycleTubulin beta-1 chainHomo sapiens (human)
microtubule cytoskeleton organizationTubulin beta-1 chainHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Molecular Functions (4)

Processvia Protein(s)Taxonomy
GTPase activityTubulin beta-1 chainHomo sapiens (human)
metal ion bindingTubulin beta-1 chainHomo sapiens (human)
structural constituent of cytoskeletonTubulin beta-1 chainHomo sapiens (human)
GTP bindingTubulin beta-1 chainHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Ceullar Components (6)

Processvia Protein(s)Taxonomy
cytoplasmTubulin beta-1 chainHomo sapiens (human)
microtubule cytoskeletonTubulin beta-1 chainHomo sapiens (human)
intercellular bridgeTubulin beta-1 chainHomo sapiens (human)
extracellular exosomeTubulin beta-1 chainHomo sapiens (human)
mitotic spindleTubulin beta-1 chainHomo sapiens (human)
microtubuleTubulin beta-1 chainHomo sapiens (human)
cytoplasmTubulin beta-1 chainHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Bioassays (43)

Assay IDTitleYearJournalArticle
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.
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.
AID1347160Primary screen NINDS Rhodamine 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.
AID1347159Primary screen GU Rhodamine qHTS for Zika virus inhibitors: Unlinked NS2B-NS3 protease assay2020Proceedings 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.
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.
AID245713Minimum tolerated dose against Lox melanoma human xenograft models in athymic mice2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID247845Inhibitory concentration against Lox melanoma cells2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID247728Inhibitory concentration against HCT-15 cells was evaluated2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID252005Percent inhibition of bovine microtubule-assisted protein (MAP) rich tubulin polymerisation at concentration of 0.3 uM2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID248618Compound was tested for the cytotoxicity against KB-8-5 cell line expressing P-glycoprotein; value ranges from 1.2-5 nM2004Bioorganic & medicinal chemistry letters, Aug-16, Volume: 14, Issue:16
Tubulin inhibitors. Synthesis and biological activity of HTI-286 analogs with B-segment heterosubstituents.
AID247858Concentration required to inhibit tumor cell growth in KB-3-1 cells2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID248889Concentration required to kill human epidermoid KBV1 cell lines containing very high levels of P-glycoprotein after 3 days of continuous exposure2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID244785Minimum effective dose was evaluated in lox melanoma human tumor graft model in athymic mice when administered intravenously2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID331685Antiproliferative activity against human 1A9 cells2008Bioorganic & medicinal chemistry letters, May-01, Volume: 18, Issue:9
Tubulysin analogs incorporating desmethyl and dimethyl tubuphenylalanine derivatives.
AID249650Effect at 1.6 mpk against DLD1 cell line expressing P-glycoprotein transporter in athymic mice; Active2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID331686Inhibition of rat brain tubulin polymerization2008Bioorganic & medicinal chemistry letters, May-01, Volume: 18, Issue:9
Tubulysin analogs incorporating desmethyl and dimethyl tubuphenylalanine derivatives.
AID411786Antiproliferative activity against human MCF7 cells after 4 days by SRB assay2009Journal of medicinal chemistry, Jan-22, Volume: 52, Issue:2
Total synthesis and biological evaluation of tubulysin U, tubulysin V, and their analogues.
AID251729Compound was evaluated for the inhibition of MAP-rich tubulin polymerisation at 0.3 uM2004Bioorganic & medicinal chemistry letters, Aug-16, Volume: 14, Issue:16
Tubulin inhibitors. Synthesis and biological activity of HTI-286 analogs with B-segment heterosubstituents.
AID247685Inhibitory concentration against KM20 cells was evaluated2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID248620Compound was tested for the cytotoxicity against KB-V1 cell line expressing P-glycoprotein; value ranges from 40-140 nM2004Bioorganic & medicinal chemistry letters, Aug-16, Volume: 14, Issue:16
Tubulin inhibitors. Synthesis and biological activity of HTI-286 analogs with B-segment heterosubstituents.
AID411785Antiproliferative activity against human 1A9 cells after 4 days by SRB assay2009Journal of medicinal chemistry, Jan-22, Volume: 52, Issue:2
Total synthesis and biological evaluation of tubulysin U, tubulysin V, and their analogues.
AID251767Compound was evaluated for the ability to inhibit cell-free tubulin polymerisation at 0.5 uM2004Bioorganic & medicinal chemistry letters, Aug-16, Volume: 14, Issue:16
D-piece modifications of the hemiasterlin analog HTI-286 produce potent tubulin inhibitors.
AID245717Minimum tolerated dose was evaluated in lox melanoma human tumor graft model in athymic mice when administered intravenously2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID248401Compound was tested for cytotoxicity against paclitaxel resistant KB-8-5 cell line expressing P-glycoprotein2004Bioorganic & medicinal chemistry letters, Aug-16, Volume: 14, Issue:16
D-piece modifications of the hemiasterlin analog HTI-286 produce potent tubulin inhibitors.
AID247787Inhibitory concentration against NCI-H1299 cells was evaluated2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID249651Effect at 1.6 mpk against MX1W cell line expressing P-glycoprotein transporter in athymic mice; Active2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID247640Inhibitory concentration against S1 cells was evaluated2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID326224Cytotoxicity against human 1A9 cells2008Journal of medicinal chemistry, Mar-27, Volume: 51, Issue:6
Cytotoxic simplified tubulysin analogues.
AID354406Cytotoxicity activity against human MCF7 cells expressing p53 mutant by MTT assay2003Journal of natural products, Feb, Volume: 66, Issue:2
Synthesis and antimitotic/cytotoxic activity of hemiasterlin analogues.
AID326225Inhibition of rat brain tubulin polymerization2008Journal of medicinal chemistry, Mar-27, Volume: 51, Issue:6
Cytotoxic simplified tubulysin analogues.
AID248081Compound was tested for the cytotoxicity against KB-3-1 cell line; value ranges from 0.6-2 nM2004Bioorganic & medicinal chemistry letters, Aug-16, Volume: 14, Issue:16
Tubulin inhibitors. Synthesis and biological activity of HTI-286 analogs with B-segment heterosubstituents.
AID411787Inhibition of tubulin polymerization2009Journal of medicinal chemistry, Jan-22, Volume: 52, Issue:2
Total synthesis and biological evaluation of tubulysin U, tubulysin V, and their analogues.
AID248380Compound was tested for cytotoxicity against paclitaxel resistant KB-V1 cell line expressing P-glycoprotein2004Bioorganic & medicinal chemistry letters, Aug-16, Volume: 14, Issue:16
D-piece modifications of the hemiasterlin analog HTI-286 produce potent tubulin inhibitors.
AID354405Antimitotic activity against human MCF7 cells expressing p53 mutant by MTT assay2003Journal of natural products, Feb, Volume: 66, Issue:2
Synthesis and antimitotic/cytotoxic activity of hemiasterlin analogues.
AID247853Compound was tested for cytotoxicity against paclitaxel sensitive KB-3-1 cell line2004Bioorganic & medicinal chemistry letters, Aug-16, Volume: 14, Issue:16
D-piece modifications of the hemiasterlin analog HTI-286 produce potent tubulin inhibitors.
AID251815Percent inhibition of tubulin polymerization at 0.3 uM concentration2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID244780Minimum effective dose against Lox melanoma human xenograft models in athymic mice2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID247859Concentration required to inhibit tumor cell growth in KB-8-5 cells2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID248904Concentration required to kill human epidermoid KB-3-1 cell lines containing very low levels of P-glycoprotein after 3 days of continuous exposure2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID249654Effect at 1.6 mpk against HCT-15 cell line expressing P-glycoprotein transporter in athymic mice; Active2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID248874Concentration required to kill human epidermoid KB85 cell lines containing moderate levels of P-glycoprotein after 3 days of continuous exposure2004Bioorganic & medicinal chemistry letters, Nov-01, Volume: 14, Issue:21
Synthesis and activity of novel analogs of hemiasterlin as inhibitors of tubulin polymerization: modification of the A segment.
AID247837Concentration required to inhibit tumor cell growth in KB-V1 cells2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
AID238035Binding affinity towards tubulin2004Journal of medicinal chemistry, Sep-09, Volume: 47, Issue:19
Synthesis and biological activity of analogues of the antimicrotubule agent N,beta,beta-trimethyl-L-phenylalanyl-N(1)-[(1S,2E)-3-carboxy-1-isopropylbut-2-enyl]- N(1),3-dimethyl-L-valinamide (HTI-286).
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (27)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's0 (0.00)18.2507
2000's20 (74.07)29.6817
2010's5 (18.52)24.3611
2020's2 (7.41)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials2 (7.41%)5.53%
Reviews1 (3.70%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other24 (88.89%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]