21AK

Cryo-EM structure of the E. coli ArnA hexamer

Summary for 21AK

• Entry DOI: 10.2210/pdb21ak/pdb
• EMDB information: 67448
• Descriptor: Bifunctional polymyxin resistance protein ArnA (1 entity in total)
• Functional Keywords: bifunctional enzyme, polymyxin resistance protein, antimicrobial resistance protein, transferase
• Biological source: Escherichia coli
• Total number of polymer chains: 12
• Total formula weight: 892629.28

Authors

Jiang, X.,Kikkawa, M. (deposition date: 2025-12-04, release date: 2026-03-25)

• Primary citation: Jiang, X.,Kikkawa, M.; Cryo-EM reveals ArnA contamination during purification of a ciliary protein complex; Acta Crystallogr.,Sect.D, 2026

Experimental method

ELECTRON MICROSCOPY (3.23 Å)