7N32

protofilaments of microtubule doublets bound to outer-arm dynein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	w, u, s, q, o...	Tubulin alpha chain	polymer	449	49639.0	12	UniProt (P41351) Pfam (PF00091) Pfam (PF03953) In PDB	Tetrahymena thermophila	Alpha-tubulin
2	x, v, t, r, p...	Tubulin beta chain	polymer	443	49617.7	12	UniProt (P41352) Pfam (PF00091) Pfam (PF03953) In PDB	Tetrahymena thermophila	Beta-tubulin
3	u, a, s, i, q...	GUANOSINE-5'-TRIPHOSPHATE	non-polymer		523.2	12	Chemie (GTP)
4	c, u, a, t, i...	MAGNESIUM ION	non-polymer		24.3	12	Chemie (MG)
5	x, v, b, t, j...	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	11	Chemie (GDP)

Contents of the asymmetric unit

Polymers	Number of chains	24
	Total formula weight	1191080.5
Non-Polymers*	Number of molecules	35
	Total formula weight	11445.0
All*	Total formula weight	1202525.6

*Water molecules are not included.