ISDA

Entry Detail

PDB ID:

6U9R

Keywords:

TRANSFERASE/TRANSFERASE INHIBITOR

Title:

MLL1 SET N3861I/Q3867L bound to inhibitor 12 (TC-5140)

Biological Source:

Source Organism:

Homo sapiens

Host Organism:

Escherichia coli

PDB Version:

Deposition Date:

2019-09-09

Release Date:

2020-07-01

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.10 Å

R-Value Free:

0.25

R-Value Work:

0.21

R-Value Observed:

0.21

Space Group:

P 32

Download Validation Report

Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Description:Histone-lysine N-methyltransferase
Mutations:N3861I, Q3867L
Chain IDs:A, B
Chain Length:158
Number of Molecules:2
Biological Source:Homo sapiens

UniProt ID:Q03164 Pfam ID:PF00856

Ligand Molecules

Q2P

Primary Citation

Discovery of Potent Small-Molecule Inhibitors of MLL Methyltransferase.

Chern, T.R, Liu, L, Petrunak, E, Stuckey, J.A, Wang, M, Bernard, D, Zhou, H, Lee, S, Dou, Y, Wang, S.Show

Acs Med.Chem.Lett. 11 1348 1352 (2020)

PMID: 32551023 DOI: 10.1021/acsmedchemlett.0c00229

Abstact

The mixed-lineage leukemia (MLL) protein, also known as MLL1, is a lysine methyltransferase specifically responsible for methylation of histone 3 lysine 4. MLL has been pursued as an attractive therapeutic target for the treatment of acute leukemia carrying the MLL fusion gene or MLL leukemia. Herein, we report the design, synthesis, and evaluation of an S-adenosylmethionine-based focused chemical library which led to the discovery of potent small-molecule inhibitors directly targeting the MLL SET domain. Determination of cocrystal structures for a number of these MLL inhibitors reveals that they adopt a unique binding mode that locks the MLL SET domain in an open, inactive conformation.

Legend

Protein

Chemical

Disease

Primary Citation of related structures