UNC669 --- L3MBTL1 Domain Inhibitor

Catalog No. size PriceQuantity
M60083-5S 5 mg solid $89
M60083-10S 10mg solid $324


UNC669 is a potent and selective small molecule inhibitor for the methyl-lysine (Kme) reading function of L3MBTL1, a member of the malignant brain tumor (MBT) family of chromatin-interacting transcriptional repressors. UNC669 binds L3MBTL1 with a Kd of 5±1 μM (IC50 = 6 ±0.5 μM), exhibiting 5-fold greater affinity than the cognate peptide H4K20Me1, 6-fold selective over its close homologue L3MBTL3 and 10-fold selective over L3MBTL4. The first cocrystal structure of UNC669 bound to L3MBTL1 was determined and provides new insights into binding requirements for further ligand design. UNC669 can serve as a useful chemical tool to interrogate the functions of MBT proteins and probe methyl-lysine reader proteins as a target class.

Product information

CAS Number: 1314241-44-5

Molecular Weight: 338.24

Formula: C15H20BrN3O

Chemical Name: (5-bromopyridin-3-yl)(4-(pyrrolidin-1-yl)piperidin-1-yl)methanone

Smiles: O=C(C1C=C(Br)C=NC=1)N1CCC(CC1)N1CCCC1


InChi: InChI=1S/C15H20BrN3O/c16-13-9-12(10-17-11-13)15(20)19-7-3-14(4-8-19)18-5-1-2-6-18/h9-11,14H,1-8H2

Technical Data

Appearance: Solid Power.

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO up to 50 mM

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

UNC1215 was used at 10-25 µM final concentration in vitro and in cellular assays.


  1. Herold JM, et al. Small-molecule ligands of methyl-lysine binding proteins. (2011) J Med Chem. 54(7):2504-11.

Products are for research use only. Not for human use.


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