8G1Q: Co-crystal structure of Compound 1

Co-crystal structure of Compound 1 in complex with the bromodomain of human SMARCA4 and pVHL:ElonginC:ElonginB. Determined by X-ray diffraction at 3.73 Å resolution. Released 26 Jul 2023.

Method
X-ray diffraction
Resolution
3.73 Å
Organism
Homo sapiens
Chains
4
Atoms
3,470
Mol. weight
56.77 kDa
Ligands
YHB
Released
26 Jul 2023

Explore 8G1Q in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8G1Q contains 20 α-helices and 24 β-strands across 4 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: 3 helices, 7 β-strands

ElementResiduesLengthSheet
β-strand2-981
β-strand12-1981
α-helix29-357
β-strand4511
β-strand5011
α-helix57-604
β-strand6812
β-strand7112
α-helix721
β-strand73-7641
Chain B: 6 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand1813
β-strand29-3021
β-strand3213
α-helix33-364
α-helix41-433
α-helix69-8315
α-helix90-945
α-helix97-993
α-helix100-1089
Chain C: 5 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand71-7884
β-strand8415
β-strand87-8936
β-strand95-9736
β-strand10115
β-strand106-11274
β-strand117-11826
β-strand12017
β-strand12115
β-strand12717
β-strand129-13024
β-strand13314
β-strand13616
α-helix145-1462
β-strand147-15264
α-helix158-16710
α-helix172-1776
α-helix182-1898
α-helix194-2029
Chain H: 6 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix1458-147013
α-helix1488-14903
α-helix1495-15006
α-helix1507-15159
α-helix1522-153918
α-helix1545-156622

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Transcription activator BRG1Hprotein124Homo sapiensP51532 (AlphaFold model)
Elongin-BAprotein104Homo sapiensQ15370 (AlphaFold model)
Elongin-CBprotein96Homo sapiensQ15369 (AlphaFold model)
von Hippel-Lindau disease tumor suppressorCprotein162Homo sapiensP40337 (AlphaFold model)
Sequence of entity 1 (H), FASTA
>8G1Q_1 Transcription activator BRG1 (chains H)
SPAEKLSPNPPNLTKKMKKIVDAVIKYKDSSSGRQLSEVFIQLPSRKELPEYYELIRKPV
DFKKIKERIRNHKYRSLNDLEKDVMLLCQNAQTFNLEGSLIYEDSIVLQSVFTSVRQKIE
KEDD
Sequence of entity 2 (A), FASTA
>8G1Q_2 Elongin-B (chains A)
MDVFLMIRRHKTTIFTDAKESSTVFELKRIVEGILKRPPDEQRLYKDDQLLDDGKTLGEC
GFTSQTARPQAPATVGLAFRADDTFEALCIEPFSSPPELPDVMK
Sequence of entity 3 (B), FASTA
>8G1Q_3 Elongin-C (chains B)
MYVKLISSDGHEFIVKREHALTSGTIKAMLSGPGQFAENETNEVNFREIPSHVLSKVCMY
FTYKVRYTNSSTEIPEFPIAPEIALELLMAANFLDC
Sequence of entity 4 (C), FASTA
>8G1Q_4 von Hippel-Lindau disease tumor suppressor (chains C)
GSMEAGRPRPVLRSVNSREPSQVIFCNRSPRVVLPVWLNFDGEPQPYPTLPPGTGRRIHS
YRGHLWLFRDAGTHDGLLVNQTELFVPSLNVDGQPIFANITLPVYTLKERCLQVVRSLVK
PENYRRLDIVRSLYEDLEDHPNVQKDLERLTQERIAHQRMGD

Ligands and cofactors

IDNameFormulaCopies
YHBN-(2-{4-[(6M)-3-amino-6-(2-hydroxyphenyl)pyridazin-4-yl]piperazin-1-yl}pyridine…C43 H50 N10 O5 S1

Water and common crystallization additives (PEG, NA) are not listed.

Primary citation

Affinity and cooperativity modulate ternary complex formation to drive targeted protein degradation. Wurz, R.P., Rui, H., Dellamaggiore, K. et al. Nat Commun (2023) 14:4177-4177. DOI 10.1038/s41467-023-39904-5 · PubMed

Other PDB entries of the same protein (UniProt P51532 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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