21AK image
Deposition Date 2025-12-04
Release Date 2026-03-25
Last Version Date 2026-03-25
Entry Detail
PDB ID:
21AK
Keywords:
TRANSFERASE
Title:
Cryo-EM structure of the E. coli ArnA hexamer
Biological Source:
Source Organism(s):
Escherichia coli (Taxon ID: 562)
Expression System(s):
Escherichia coli
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
3.23 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
21AK validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Bifunctional polymyxin resist
Gene (Uniprot):arnA
Chain IDs:A, B, C, D, E, F, G, H, I, J, K, L
Chain Length:660
Number of Molecules:12
Biological Source:Escherichia coli
UniProt ID:P77398 Pfam ID:PF00551, PF02911, PF01370 EC:1.1.1.305
Ligand Molecules
NA
Primary Citation
Cryo-EM reveals ArnA contamination during purification of a ciliary protein complex
Acta Crystallogr. D Biol. Crystallogr. ? ? ? (2026)
Primary Citation of related structures
21AK
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