2RJE image
Deposition Date 2007-10-14
Release Date 2007-10-30
Last Version Date 2023-08-30
Entry Detail
PDB ID:
2RJE
Keywords:
TRANSCRIPTION
Title:
Crystal structure of L3MBTL1 in complex with H4K20Me2 (residues 17-25), orthorhombic form II
Biological Source:
Source Organism:
Homo sapiens (Taxon ID: 9606)
(Taxon ID: )
Host Organism:
Escherichia coli BL21(DE3)
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
1.86 Å
R-Value Free:
0.23
R-Value Work:
0.19
R-Value Observed:
0.19
Space Group:
P 21 21 2
2RJE validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Lethal(3)malignant brain tumor-like protein
Gene (Uniprot):L3MBTL1
Chain IDs:A, B, C
Chain Length:331
Number of Molecules:3
Biological Source:Homo sapiens
UniProt ID:Q9Y468 Pfam ID:PF02820
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Histone H4
Chain IDs:D (auth: P), E (auth: Q)
Chain Length:11
Number of Molecules:2
Biological Source:
UniProt ID:P62805
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
MLY D LYS N-DIMETHYL-LYSINE
Ligand Molecules
CL
Primary Citation
L3MBTL1 recognition of mono- and dimethylated histones.
Nat.Struct.Mol.Biol. 14 1229 1230 (2007)
PMID: 18026117 DOI: 10.1038/nsmb1340

Abstact

Crystal structures of the L3MBTL1 MBT repeats in complex with histone H4 peptides dimethylated on Lys20 (H4K20me2) show that only the second of the three MBT repeats can bind mono- and dimethylated histone peptides. Its binding pocket has similarities to that of 53BP1 and is able to recognize the degree of histone lysine methylation. An unexpected mode of peptide-mediated dimerization suggests a possible mechanism for chromatin compaction by L3MBTL1.

Legend

Protein

Chemical

Disease

Primary Citation of related structures
2PQW
2RJC
2RJD
2RJF