5F6K: MLL3-Ash2L-RbBP5 complex

Crystal structure of the MLL3-Ash2L-RbBP5 complex. Determined by X-ray diffraction at 2.41 Å resolution. Released 24 Feb 2016.

Method
X-ray diffraction
Resolution
2.41 Å
Organism
Homo sapiens
Chains
7
Atoms
5,829
Mol. weight
86.55 kDa
Ligands
SAH, ZN
Released
24 Feb 2016

Explore 5F6K in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5F6K contains 18 α-helices and 68 β-strands across 7 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.

Chains A and B: 2 helices, 17 β-strands

ElementResiduesLengthSheet
β-strand289-29461
β-strand299-30022
β-strand306-30832
β-strand314-31851
β-strand32213
β-strand325-335112
β-strand341-34771
β-strand363-36751
β-strand373-37531
β-strand378-38031
β-strand391-39882
β-strand446-45162
β-strand454-46182
α-helix463-4642
β-strand46813
β-strand469-47571
β-strand479-48352
β-strand498-49922
α-helix500-5023
Chain C: 7 helices, 15 β-strands
ElementResiduesLengthSheet
α-helix4758-476811
α-helix4769-47713
β-strand4773-477757
β-strand4783-478757
β-strand479118
β-strand4796-480059
β-strand4802-4806510
α-helix4807-481711
β-strand4826-4828310
β-strand4833-4841910
α-helix4843-48464
α-helix48471
β-strand4848-4849211
β-strand4855-486289
β-strand4865-487289
β-strand487618
α-helix48801
β-strand488117
α-helix48821
β-strand4883-4884211
β-strand4898112
β-strand4909112
Chain D: 0 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand337-338210
β-strand343-344210
Chain E: 7 helices, 15 β-strands
ElementResiduesLengthSheet
α-helix4758-47658
α-helix4769-47713
β-strand4773-4777513
β-strand4783-4787513
β-strand4791114
β-strand4796-4799415
β-strand4803-4806416
α-helix4807-481913
β-strand4826-4828316
β-strand4833-4836416
α-helix4843-48464
α-helix48471
β-strand4848-4849215
β-strand4855-4862815
β-strand4865-4872815
β-strand4876114
α-helix48801
β-strand4881113
α-helix48821
β-strand4883-4884215
β-strand4897-4898217
β-strand4909-4910217
Chain F: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand343-344216
Chain M: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand4110

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Set1/Ash2 histone methyltransferase complex subunit ASH2,Set1/Ash2 histone methyltransferase…A, Bprotein184Homo sapiensQ9UBL3 (AlphaFold model)
Histone-lysine N-methyltransferase 2CC, Eprotein159Homo sapiensQ8NEZ4
Retinoblastoma-binding protein 5D, Fprotein27Homo sapiensQ15291 (AlphaFold model)
peptide ARTKQTARKMprotein9Homo sapiensQ6NXT2 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>5F6K_1 Set1/Ash2 histone methyltransferase complex subunit ASH2,Set1/Ash2 histone methyltransferase complex subunit ASH2 (chains A, B)
SRVLLALHDRAPQLKISDDRLTVVGEKGYSMVRASHGVRKGAWYFEITVDEMPPDTAARL
GWSQPLGNLQAPLGYDKFSYSWRSKKGTKFHQSIGKHYSSGYGQGDVLGFYINLPEDTIS
GRGSSEIIFYKNGVNQGVAYKDIFEGVYFPAISLYKSCTVSINFGPCFKYPPKDLTYRPM
SDMG
Sequence of entity 2 (C, E), FASTA
>5F6K_2 Histone-lysine N-methyltransferase 2C (chains C, E)
GPLGSKSSQYRKMKTEWKSNVYLARSRIQGLGLYAARDIEKHTMVIEYIGTIIRNEVANR
KEKLYESQNRGVYMFRMDNDHVIDATLTGGPARYINHSCAPNCVAEVVTFERGHKIIISS
SRRIQKGEELCYDYKFDFEDDQHKIPCHCGAVNCRKWMN
Sequence of entity 3 (D, F), FASTA
>5F6K_3 Retinoblastoma-binding protein 5 (chains D, F)
SAFAPDFKELDENVEYEERESEFDIED
Sequence of entity 4 (M), FASTA
>5F6K_4 peptide ARTKQTARK (chains M)
ARTKQTARK

Ligands and cofactors

IDNameFormulaCopies
SAHS-adenosyl-L-homocysteineC14 H20 N6 O5 S2
ZNZinc ionZn2

Primary citation

Structural basis for activity regulation of MLL family methyltransferases. Li, Y., Han, J., Zhang, Y. et al. Nature (2016) 530:447-452. DOI 10.1038/nature16952 · PubMed

Other PDB entries of the same protein (UniProt Q9UBL3 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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