4Y1H: K33 linked tri-Ubiquitin

Crystal structure of K33 linked tri-Ubiquitin. Determined by X-ray diffraction at 1.4 Å resolution. Released 18 Mar 2015.

Method: X-ray diffraction
Resolution: 1.4 Å
Organism: Bos taurus
Chains: 1
Atoms: 657
Mol. weight: 8.83 kDa
Released: 18 Mar 2015

Explore 4Y1H in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4Y1H contains 4 α-helices and 7 β-strands across 1 chain. 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: 4 helices, 7 β-strands

Element	Residues	Length	Sheet
β-strand	2-7	6	1
β-strand	12-16	5	1
β-strand	22	1	2
α-helix	23-34	12
α-helix	38-40	3
β-strand	41-45	5	1
β-strand	48-49	2	1
α-helix	50-51	2
β-strand	55	1	2
α-helix	57-59	3
β-strand	66-71	6	1

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Ubiquitin-40S ribosomal protein S27a	A	protein	76	Bos taurus	P62992 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>4Y1H_1 Ubiquitin-40S ribosomal protein S27a (chains A)
MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYN
IQKESTLHLVLRLRGG

Primary citation

Assembly and structure of Lys33-linked polyubiquitin reveals distinct conformations. Kristariyanto, Y.A., Choi, S.Y., Rehman, S.A. et al. Biochem J (2015) 467:345-352. DOI 10.1042/BJ20141502 · PubMed

Other PDB entries of the same protein (UniProt P62992 (AlphaFold model), which also has an AlphaFold model), best resolution first:

6Q01 0.85 Å, TDP2 UBA Domain Bound to Ubiquitin at 0.85 Angstroms Resolution, Crystal Form 2
5XVE 1.24 Å, Crystal structure of human USP2 C276S mutant in complex with ubiquitin
4M0W 1.4 Å, Crystal Structure of SARS-CoV papain-like protease C112S mutant in complex with ubiquitin
6E2B 1.45 Å, Ubiquitin in complex with Pt(2-phenilpyridine)(PPh3)
5XU8 1.81 Å, Crystal structure of human USP2 in complex with ubiquitin and 6-thioguanine
5MN9 2.05 Å, Crystal structure of MINDY-1 tMIU in complex with K48-diUb
5BZ0 2.1 Å, Crystal structure of IBV papain-like protease PLpro C101S mutant in complex with ubiquitin
7F0U 2.2 Å, porcine epidemic diarrhea virus papain-like protease 2 C44S mutant in complex with mono…
4Z9S 2.3 Å, Non-covalent assembly of monoubiquitin that mimics K11 poly-ubiquitin
5FER 2.34 Å, Complex of TRIM25 RING with UbcH5-Ub
5JQS 2.65 Å, Crystal structure of deubiquitinase MINDY-1 in complex with Ubiquitin
6DJW 3.8 Å, Crystal Structure of pParkin (REP and RING2 deleted)-pUb-UbcH7 complex

Browse structure collections

About this viewer

MolViewer shows 4Y1H directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.