ISDA: 9TQK

Deposition Date 2025-12-22

Release Date 2026-06-10

Last Version Date 2026-06-10

Entry Detail

PDB ID:

9TQK

Keywords:

UNKNOWN FUNCTION

Title:

Cryo-EM structure of AtubAB mini microtubules from Heimdallarchaeia

Biological Source:

Source Organism(s):

Candidatus Heimdallarchaeota archaeon (Taxon ID: 2026747)

Expression System(s):

Escherichia coli bl21(de3)

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.10 Å

Aggregation State:

HELICAL ARRAY

Reconstruction Method:

HELICAL

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Macromolecular Entities

Polymer Type:polypeptide(L)
Molecule:AtubA
Chain IDs:A (auth: 1A), B (auth: 2A), C (auth: 3A), D (auth: 4A), I (auth: 5A), J (auth: 6A), K (auth: 7A), L (auth: 8A)
Chain Length:439
Number of Molecules:8
Biological Source:Candidatus Heimdallarchaeota archaeon

Polymer Type:polypeptide(L)
Molecule:AtubB
Chain IDs:E (auth: 1B), F (auth: 2B), G (auth: 3B), H (auth: 4B), M (auth: 5B), N (auth: 6B), O (auth: 7B), P (auth: 8B)
Chain Length:422
Number of Molecules:8
Biological Source:Candidatus Heimdallarchaeota archaeon

Ligand Molecules

GDP

Primary Citation

Asgard archaeal AtubAB tubulins form mini microtubules exhibiting dynamic instability

Lowe, J, von Kugelgen, A.Show

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