7U5V: Histone-lysine N-methyltransferase 2A

Crystal structure of the Mixed Lineage Leukaemia (MLL1) SET Domain with the cofactor product S-Adenosylhomocysteine and Borealin peptide. Determined by X-ray diffraction at 2.59 Å resolution. Released 27 Sept 2023.

Method
X-ray diffraction
Resolution
2.59 Å
Organism
Homo sapiens
Chains
2
Atoms
1,027
Mol. weight
19.54 kDa
Ligands
SAH, ZN
Released
27 Sept 2023

Explore 7U5V in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7U5V contains 3 α-helices and 10 β-strands across 1 chain. Residue ranges use sequence positions (label_seq_id) from RCSB, which can differ from the residue numbers in the file. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 3 helices, 10 β-strands

ElementResiduesLengthSheet
α-helix13-208
β-strand21-255AA1
β-strand31-355AA1
β-strand44-474AA2
β-strand51-544AA3
α-helix57-6812
β-strand74-763AA3
β-strand81-844AA3
α-helix90-956
β-strand96-972AA1
β-strand103-1108AA2
β-strand113-1208AA2
β-strand129-1324AA1

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone-lysine N-methyltransferase 2AAprotein159Homo sapiensQ03164
BorealinCprotein9Homo sapiensQ53HL2 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>7U5V_1 Histone-lysine N-methyltransferase 2A (chains A)
SMDLPMPMRFRALAAASAAAVGVYRSPIHGRGLFCKRNIDAGEMVIEYAGNVIRSIQTDK
REKYYDSKGIGCYMFRIDDSEVVDATMHGNAARFINHSCEPNCYSRVINIDGQKHIVIFA
MRKIYRGEELTYDYAFPIEDASNKLPCNCGAKKCRKFLN
Sequence of entity 2 (C), FASTA
>7U5V_2 Borealin (chains C)
LQTARVKRC

Ligands and cofactors

IDNameFormulaCopies
SAHS-adenosyl-L-homocysteineC14 H20 N6 O5 S1
ZNZinc ionZn1

Primary citation

Non-canonical MLL1 activity regulates centromeric phase separation and genome stability. Sha, L., Yang, Z., An, S. et al. Nat Cell Biol (2023) 25:1637-1649. DOI 10.1038/s41556-023-01270-1 · PubMed

Other PDB entries of the same protein (UniProt Q03164), best resolution first:

Browse structure collections

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