3J9Q

Atomic structures of a bactericidal contractile nanotube in its pre- and post-contraction states

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, D, E, F... (A, B, C, D, E...)	sheath	polymer	386	41247.3	24	UniProt (Q9S574) Pfam (PF22671) Pfam (PF04984) Pfam (PF17482)	Pseudomonas aeruginosa	Similar to FI genes of P2, phiCTX, and PS17: tail sheath
2	AA, B, BA, CA, DA... (S, U, T, W, V...)	tube	polymer	168	18088.5	24	UniProt (Q9S573) Pfam (PF04985)	Pseudomonas aeruginosa	FIIR2 protein

Contents of the asymmetric unit

Polymers	Number of chains	48
	Total formula weight	1424061.1
All*	Total formula weight	1424061.1

*Water molecules are not included.