2W5Z: Histone-lysine N-methyltransferase hrx

Ternary Complex of the Mixed Lineage Leukaemia (MLL1) SET Domain with the cofactor product S-Adenosylhomocysteine and histone peptide. Determined by X-ray diffraction at 2.2 Å resolution. Released 10 Feb 2009.

Method
X-ray diffraction
Resolution
2.2 Å
Organism
HOMO SAPIENS
Chains
2
Atoms
1,628
Mol. weight
23.94 kDa
Ligands
SAH, ZN
Released
10 Feb 2009

Explore 2W5Z in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2W5Z contains 12 α-helices and 16 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 11 helices, 15 β-strands

ElementResiduesLengthSheet
α-helix3801-38022
α-helix3805-38084
α-helix3809-38113
α-helix3816-38205
α-helix3823-38308
β-strand3831-383551
β-strand3841-384551
β-strand384912
β-strand3854-385743
β-strand3861-386444
α-helix3865-38673
α-helix3868-387811
β-strand3884-388634
β-strand3891-389444
α-helix3901-39044
α-helix39051
β-strand3906-390725
β-strand3913-392083
β-strand3923-393083
β-strand393412
α-helix39381
β-strand3939-394021
β-strand3941-394225
α-helix3954-39552
β-strand395616
β-strand396716
Chain C: 1 helix, 1 β-strand
ElementResiduesLengthSheet
β-strand414
α-helix6-83

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone-lysine N-methyltransferase hrxAprotein192HOMO SAPIENSQ03164
Histone peptideCprotein9HOMO SAPIENSP68433 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>2W5Z_1 HISTONE-LYSINE N-METHYLTRANSFERASE HRX (chains A)
GPLGSHMHRQPPEYNPNDEEEEEVQLKSARRATSMDLPMPMRFRHLKKTSKEAVGVYRSP
IHGRGLFCKRNIDAGEMVIEYAGNVIRSIQTDKREKYYDSKGIGCYMFRIDDSEVVDATM
HGNAARFINHSCEPNCYSRVINIDGQKHIVIFAMRKIYRGEELTYDYKFPIEDASNKLPC
NCGAKKCRKFLN
Sequence of entity 2 (C), FASTA
>2W5Z_2 HISTONE PEPTIDE (chains C)
ARTKQTARY

Ligands and cofactors

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

Water and common crystallization additives (GOL) are not listed.

Primary citation

Structural Basis for the Requirement of Additional Factors for Mll1 Set Domain Activity and Recognition of Epigenetic Marks. Southall, S.M., Wong, P.S., Odho, Z. et al. Mol Cell (2009) 33:181. DOI 10.1016/J.MOLCEL.2008.12.029 · PubMed

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

Browse structure collections

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