Microtubules are a component of the cytoskeleton, found throughout the cytoplasm. These tubular polymers of tubulin can grow as long as 50 micrometres, with an average length of 25 µm, and are highly dynamic. The outer diameter of a microtubule is about 24 nm while the inner diameter is about 12 nm. Microtubules are found in eukaryotic cells and are formed by the polymerization of a dimer of two globular proteins, alpha and beta tubulin. Tubulin is one of several members of a small family of globular proteins. The tubulin superfamily includes five distinct families, the alpha-, beta-, gamma-, delta-, and epsilon-tubulins and a sixth family which is present only in kinetoplastid protozoa. The most common members of the tubulin family are α-tubulin and β-tubulin, the proteins that make up microtubules. Microtubules are very important in a number of cellular processes. They are involved in maintaining the structure of the cell.


Anti-infection >
Arenavirus Bacterial CMV Enterovirus Filovirus Fungal HBV HCV HIV HSV Influenza Virus Parasite Reverse Transcriptase RSV SARS-CoV
Antibody-drug Conjugate >
ADC Cytotoxin ADC Linker Drug-Linker Conjugates for ADC PROTAC-linker Conjugate for PAC
Apoptosis >
Apoptosis Bcl-2 Family c-Myc Caspase DAPK Ferroptosis IAP MDM-2/p53 PKD RIP kinase Survivin Thymidylate Synthase TNF Receptor
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Antifolate APC ATM/ATR Aurora Kinase Casein Kinase CDK Checkpoint Kinase (Chk) CRISPR/Cas9 Deubiquitinase DNA Alkylator/Crosslinker DNA-PK DNA/RNA Synthesis Eukaryotic Initiation Factor (eIF) G-quadruplex Haspin Kinase HDAC HSP IRE1 Kinesin LIM Kinase (LIMK) Microtubule/Tubulin Mps1 Nucleoside Antimetabolite/Analog p97 PAK PARP PERK Polo-like Kinase (PLK) PPAR RAD51 ROCK Sirtuin SRPK Telomerase TOPK Topoisomerase Wee1
Cytoskeleton >
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ERK JNK KLF MAP3K MAP4K MAPKAPK2 (MK2) MEK Mixed Lineage Kinase MNK p38 MAPK Raf Ribosomal S6 Kinase (RSK)
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15-PGDH 5 alpha Reductase 5-Lipoxygenase Acetyl-CoA Carboxylase Acyltransferase Adenosine Deaminase Adenosine Kinase Aldehyde Dehydrogenase (ALDH) Aldose Reductase Aminopeptidase Angiotensin-converting Enzyme (ACE) ATGL ATP Citrate Lyase Carbonic Anhydrase Carboxypeptidase Cathepsin CETP COMT Cytochrome P450 Dipeptidyl Peptidase Dopamine β-hydroxylase E1/E2/E3 Enzyme Elastase Enolase FAAH FABP Factor Xa Farnesyl Transferase Fatty Acid Synthase (FAS) FXR Glucokinase GSNOR Gutathione S-transferase HCV Protease Hexokinase HIF/HIF Prolyl-Hydroxylase HIV Integrase HIV Protease HMG-CoA Reductase (HMGCR) HSP Indoleamine 2,3-Dioxygenase (IDO) Isocitrate Dehydrogenase (IDH) Lactate Dehydrogenase LXR MAGL Mineralocorticoid Receptor Mitochondrial Metabolism MMP Nampt NEDD8-activating Enzyme Neprilysin PAI-1 PDHK PGC-1α Phosphatase Phosphodiesterase (PDE) Phospholipase Procollagen C Proteinase Proteasome Pyruvate Kinase RAR/RXR Renin ROR Ser/Thr Protease SGK Stearoyl-CoA Desaturase (SCD) Thrombin Tryptophan Hydroxylase Tyrosinase Xanthine Oxidase
Neuronal Signaling >
5-HT Receptor AChE Adenosine Kinase Amyloid-β Beta-secretase CaMK CGRP Receptor COMT Dopamine Receptor Dopamine Transporter FAAH GABA Receptor GlyT iGluR Imidazoline Receptor mAChR Melatonin Receptor Monoamine Oxidase nAChR Neurokinin Receptor Opioid Receptor Serotonin Transporter γ-secretase
NF-κB >
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Protein Tyrosine Kinase/RTK >
Ack1 ALK Bcr-Abl BMX Kinase Btk c-Fms c-Kit c-Met/HGFR Discoidin Domain Receptor DYRK EGFR Ephrin Receptor FAK FGFR FLT3 IGF-1R Insulin Receptor IRAK Itk PDGFR PKA Pyk2 ROS Src Syk TAM Receptor Trk Receptor VEGFR
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Vitamin D Related >
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Amiprofos methyl

Amiprofos methyl (BAY-NTN 6867) is a phosphoric amide herbicide. Amiprofos methyl is a specific and potent antimicrotubule agent. Amiprofos methyl directly poisons microtubule dynamics in plant cells[1].

  • CAS Number: 36001-88-4
  • MF: C11H17N2O4PS
  • MW: 304.30
  • Catalog: Microtubule/Tubulin
  • Density: 1.275g/cm3
  • Boiling Point: 389.9ºC at 760mmHg
  • Melting Point: -65ºC
  • Flash Point: 189.6ºC

Tubulin inhibitor 33

Tubulin inhibitor 33, a tubulin polymerization inhibitor, inhibits tubulin polymerization in a dose-dependent manner with an IC50 of 9.05 μM. Tubulin inhibitor 33 has antitumor effects and induces cell apoptosis that can be used for antitumor research[1].

  • CAS Number: 2944462-67-1
  • MF: C24H22N4O3
  • MW: 414.46
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tubulin polymerization-IN-31

Tubulin polymerization-IN-31 (Compound 4c) is a tubulin polymerization inhibitor with an IC50 of 3.64 μM. Tubulin polymerization-IN-31 induces cancer cell apoptosis and shows antitumor activity[1].

  • CAS Number: 2421121-79-9
  • MF: C18H13ClFN3
  • MW: 325.77
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Paclitaxel-d5

Paclitaxel D5 is a deuterium-labeled Paclitaxel. Paclitaxel is a naturally occurring antineoplastic agent and stabilizes tubulin polymerization[1].

  • CAS Number: 1129540-33-5
  • MF: C47H46D5NO14
  • MW: 858.93700
  • Catalog: ADC Cytotoxin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

T-peptide TFA

T-peptide is a peptide derived from microtubule binding repeat of Tau protein. T-peptide self-assembles into 30-55 nm paired helical filaments (PHFs) even in the absense of inducers. T-peptide is cytotoxic in multiple cell lines including cortical neurons, cerebellar granular neurons, neuroblastoma cells, kidney fibroblasts and HEK293 cells. T-peptide co-localizes with pathological hyperphosphorylated forms of tau in vitro.

  • CAS Number: 2022956-62-1
  • MF: C92H171N45O18
  • MW: 2195.66
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Fmoc-MMAE

Fmoc-MMAE is a protective group-conjugated monomethyl auristatin E (MMAE), which is a potent tubulin inhibitor. Fmoc-MMAE can be used in the synthesis of ADC[1].

  • CAS Number: 474645-26-6
  • MF: C54H77N5O9
  • MW: 940.22
  • Catalog: ADC Cytotoxin
  • Density: 1.1±0.1 g/cm3
  • Boiling Point: 1036.4±65.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 580.6±34.3 °C

KIF18A-IN-3

KIF18A-IN-3 is a potent KIF18A inhibitor (IC50=61 nM). KIF18A-IN-3 causes significant mitotic arrest and increases the number of mitotic cells in tumor tissues. KIF18A-IN-3 can be used for researching cancer[1].

  • CAS Number: 2600577-49-7
  • MF: C28H38N4O5S2
  • MW: 574.76
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Mivobulin

Mivobulin (NSC 613862) is a tubulin inhibitor, binds to tubulin in the region that overlaps the colchicine site, and inhibits tubulin polymerization. Mivobulin (NSC 613862) promotes the formation of abnormal polymers and a GTPase activity in the tubulin dimer. Anti-cancer activity[1].

  • CAS Number: 122332-18-7
  • MF: C17H19N5O2
  • MW: 315.40700
  • Catalog: Microtubule/Tubulin
  • Density: 1.36
  • Boiling Point: 483ºC at 760mmHg
  • Melting Point: N/A
  • Flash Point: 245.9ºC

Taxinine B

Taxinine B is a taxoid that can be isolated from Japanese Yew Taxus Cuspid. Taxinine B inhibits CaCl2-induced depolymerization of microtubule. Taxinine B is useful for overcoming multidrug resistance in tumor cells[1].

  • CAS Number: 18457-44-8
  • MF: C37H44O11
  • MW: 664.74
  • Catalog: Microtubule/Tubulin
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 705.4±60.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 286.7±32.9 °C

HI5

HI5 is a potent tublin and IDO inhibitor, with an IC50 value of 70 nM in HeLa cells. HI5 inhibit IDO expression and decrease kynurenine production, leading to stimulating T cells activation and proliferation. HI5 can inhibit tubulin polymerization and cell migration, cause G2/M phase arrest, and induce apoptosis via the mitochondrial dependent apoptosis pathway and cause reactive oxidative stress generation in HeLa cells. HI5 can be used for researching anticancer[1].

  • CAS Number: 2411548-90-6
  • MF: C42H43N5O8
  • MW: 745.82
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SB26019

SB26019 is a potent anti-neuroinflammatory agent. SB26019 regulates NF-κB activation by inducing monomeric α-tubulin formation. SB26019-induced α-tubulin monomer inhibits p65 translocation[1].

  • CAS Number: 1233078-90-4
  • MF: C24H20O4
  • MW: 372.41
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Vincristine-d3-ester sulfate

Vincristine-d3-ester (Leurocristine-d3-ester) sulfate is the deuterium labeled Vincristine sulfate. Vincristine sulfate is an antitumor vinca alkaloid which inhibits microtubule formation in mitotic spindle, resulting in an arrest of dividing cells at the metaphase stage. It binds to microtubule with a Ki of 85 nM[1].

  • CAS Number: 1217854-24-4
  • MF: C46H55D3N4O14S
  • MW: 926.05
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

D-64131

D-64131 is a novel inhibitor of Tubulin polymerization that competitively binds with [(3)H]colchicine to αβ-Tubulin. IC50 Value: N/ATarget: Microtubule/Tubulinin vitro: D-64131 is cytotoxic and inhibits tumor cell proliferation in vitro (IC50 = 74 nM). D-64131 prevents growth of tumor models in mice following oral administration in vivo. D-64131 has significant potential in cancer treatment. The proliferation of tumor cells from 12 of 14 different organs and tissues was inhibited with mean IC(50)s of 62 nM by D-64131.in vivo: In animal studies, no signs of systemic toxicity were observed after p.o. dosages of up to 400 mg/kg of D-64131. In xenograft experiments with the human amelanoic melanoma MEXF 989, D-64131 was highly active with treatment resulting in a growth delay of 23.4 days at 400 mg/kg. Therefore, D-64131 and analogues have the potential to be developed for cancer therapy, replacing or supplementing standard therapy regimens with tubulin-targeting drugs from natural sources.

  • CAS Number: 74588-78-6
  • MF: C16H13NO2
  • MW: 251.280
  • Catalog: Microtubule/Tubulin
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 455.2±25.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 229.1±23.2 °C

Tubulysin IM-2

Tubulysin IM-2 is an ADC Cytotoxin and tubulin binder used as anti-microtubule toxins.

  • CAS Number: 1032072-50-6
  • MF: C26H42N4O6S
  • MW: 538.70
  • Catalog: ADC Cytotoxin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Vindoline

Vindoline, a vinca alkaloid extracted from the leaves of Catharanthus roseus, weakly inhibits tubulin self-assembly[1].

  • CAS Number: 2182-14-1
  • MF: C25H32N2O6
  • MW: 456.531
  • Catalog: Microtubule/Tubulin
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 569.8±50.0 °C at 760 mmHg
  • Melting Point: 163-165ºC
  • Flash Point: 298.4±30.1 °C

Anticancer agent 60

Anticancer agent 60 (compound 3h) has antiproliferative activity against human HepG2 cells (IC50 = 4.13 μM) and presents antitumor efficacy in a human HepG2 xenograft mouse model[1].

  • CAS Number: 2162169-14-2
  • MF: C27H33N5O4S
  • MW: 523.65
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ALB-109564 hydrochloride

ALB-109564 (12'-Methylthiovinblastine) hydrochloride, a tubulin inhibitor, is a cytotoxic agent designed to kill cancer cells by disrupting mitosis[1].

  • CAS Number: 1300114-12-8
  • MF: C47H62Cl2N4O9S
  • MW: 929.99
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

tubulin polymerization inhibitor

Tubulin polymerization-IN-24 (compound HMBA) is a potent tubulin polymerization inhibitor. Tubulin polymerization-IN-24 inhibits MCF-7 cells proliferation. Tubulin polymerization-IN-24 induces apoptosis and cell cycle arrest at G2/M phase. Tubulin polymerization-IN-24 increase the GTP hydrolysis rate and inhibits microtubule assembly[1].

  • CAS Number: 564468-51-5
  • MF: C22H16O3
  • MW: 328.361
  • Catalog: Apoptosis
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 524.7±50.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 188.8±23.6 °C

Tubulin inhibitor 12

Tubulin inhibitor 12 (Hit 9) is a novel tubulin inhibitor (IC50=25.3 μM). Tubulin inhibitor 12 shows anti-tumor activity and anti-proliferative activity[1].

  • CAS Number: 92575-00-3
  • MF: C24H20N2O
  • MW: 352.43
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Violanone

Violanone, an isoflavanone compound, can inhibit tubulin polymerization. Violanone also exhibits larvicidal activity against A. aegypti[1][2].

  • CAS Number: 52250-38-1
  • MF: C17H16O6
  • MW: 316.305
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Anticancer agent 98

Anticancer agent 98 (compound 12k) is a microtubule/tubulin-polymerization inhibitor (Kd=16.9 μM). Anticancer agent 98 exerts antiproliferative potency against tumor cells, exhibits anti-angiogenesis effect in vitro. Anticancer agent 98 exhibits good human and mouse liver microsomes stability with both t1/2>300 min[1].

  • CAS Number: 2857070-72-3
  • MF: C17H19N5O2
  • MW: 325.37
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tubulin inhibitor 18

Tubulin inhibitor 18 (compound 5j) is a potent inhibitor of tubulin. Tubulin inhibitor 18 is a chalcone compound. Tubulin inhibitor 18 has the potential for the research of cancer diseases[1].

  • CAS Number: 2762382-51-2
  • MF: C22H26O5
  • MW: 370.44
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Vinblastine

Vinblastine is a cytotoxic alkaloid used against various cancer types. Vinblastine inhibits the formation of microtubule and suppresses nAChR with an IC50 of 8.9 μM.

  • CAS Number: 865-21-4
  • MF: C46H58N4O9
  • MW: 810.974
  • Catalog: Microtubule/Tubulin
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: 211 - 216ºC
  • Flash Point: N/A

Tubulin polymerization-IN-42

Tubulin polymerization-IN-42 (compound 10j), an indole-substituted furanone, is an inhibitor of tubulin polymerization with anti-cancer activity[1].

  • CAS Number: 2640220-51-3
  • MF: C22H21NO5
  • MW: 379.41
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Cantuzumab ravtansine

Cantuzumab ravtansine (IMGN242; huC242-DM4), an ADC, is a humanized monoclonal antibody, huC242, covalently linked via a disulfide bond to DM4 (DM4 (HY-12454)). Cantuzumab ravtansine has broad antitumor efficacy against a range of CanAg-positive human tumor xenografts[1][2].

  • CAS Number: 868747-45-9
  • MF:
  • MW:
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tubulin polymerization-IN-7

Tubulin polymerization-IN-7 (compound 5) is a potent inhibitor of tubulin polymerization. Tubulin polymerization-IN-7 has the potential for the research of cancer diseases[1].

  • CAS Number: 1394017-46-9
  • MF: C28H24N4O6S
  • MW: 544.58
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

BNC105

BNC105 is a tubulin polymerization inhibitor with potent antiproliferative and tumor vascular disrupting properties.IC50 value: Target:BNC105 exhibited excellent potency against a panel of different cancer cell lines with IC50 <1 nM for DU145, Calu-6, MDA-MB-231 etc. The selectivity observed for BNC105 against activated over quiescent HUVECs was also observed in human aortic arterial endothelial cells (HAAECs). BNC105 also exhibited good potency toward the cisplatin resistant cell line A2780cis.

  • CAS Number: 945771-74-4
  • MF: C20H20O7
  • MW: 372.36900
  • Catalog: Microtubule/Tubulin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Batabulin sodium

Batabulin sodium (T138067 sodium) is an antitumor agent, which binds covalently and selectively to a subset of the β-tubulin isotypes, thereby disrupting microtubule polymerization. Batabulin sodium affects cell morphology and leads to cell-cycle arrest ultimately induce apoptotic cell death. Batabulin sodium has efficacy against multidrug-resistant (MDR) tumors[1].

  • CAS Number: 195533-98-3
  • MF: C13H6F6NNaO3S
  • MW: 393.23700
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: 403.3ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 197.7ºC