3ESL: Checkpoint serine/threonine-protein kinase BUB1

Crystal structure of the conserved N-terminal domain of the mitotic checkpoint component BUB1. Determined by X-ray diffraction at 1.74 Å resolution. Released 17 Feb 2009.

Method
X-ray diffraction
Resolution
1.74 Å
Organism
Saccharomyces cerevisiae
Chains
2
Atoms
3,727
Mol. weight
49.18 kDa
Ligands
NHE
Released
17 Feb 2009

Explore 3ESL in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3ESL contains 26 α-helices and 4 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: 14 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix32-4918
α-helix51-533
α-helix57-6711
α-helix68-725
α-helix73-753
α-helix77-9519
α-helix99-1013
α-helix105-11814
α-helix123-13614
β-strand14211
α-helix143-15513
α-helix159-17113
β-strand17511
α-helix177-19317
α-helix205-21410
α-helix221-2288
Chain B: 12 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix30-4920
α-helix51-533
α-helix57-7115
α-helix82-9615
α-helix99-1013
α-helix105-11814
α-helix123-13614
β-strand14212
α-helix143-15513
α-helix159-17113
β-strand17512
α-helix177-19317
α-helix206-2149
α-helix221-2288

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Checkpoint serine/threonine-protein kinase BUB1A, Bprotein202Saccharomyces cerevisiaeP41695 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>3ESL_1 Checkpoint serine/threonine-protein kinase BUB1 (chains A, B)
QKEQHSQLNQTKIAYEQRLLNDLEDMDDPLDLFLDYMIWISTSYIEVDSESGQEVLRSTM
ERCLIYIQDMETYRNDPRFLKIWIWYINLFLSNNFHESENTFKYMFNKGIGTKLSLFYEE
FSKLLENAQFFLEAKVLLELGAENNCRPYNRLLRSLSNYEDRLREMNIVENQNSVPDSRE
RLKGRLIYRTAPFFIRKFLTSS

Ligands and cofactors

IDNameFormulaCopies
NHE2-[N-cyclohexylamino]ethane sulfonic acidC8 H17 N O3 S2

Primary citation

The Crystal Structure of the N-Terminal Region of BUB1 Provides Insight into the Mechanism of BUB1 Recruitment to Kinetochores. Bolanos-Garcia, V.M., Kiyomitsu, T., D'Arcy, S. et al. Structure (2009) 17:105-116. DOI 10.1016/j.str.2008.10.015 · PubMed

Other PDB entries of the same protein (UniProt P41695 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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