8A2T

Cryo-EM structure of F-actin in the Mg2+-ADP nucleotide state.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E (C, A, B, D, E)	Actin, alpha skeletal muscle	polymer	375	41875.6	5	UniProt (P68135) Pfam (PF00022)	Oryctolagus cuniculus (rabbit)	Alpha-actin-1
2	F, H, J, L, N (C, A, B, D, E)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	5	Chemie (ADP)
3	G, I, K, M, O (C, A, B, D, E)	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
4	P, Q, R, S, T (C, A, B, D, E)	water	water		18.0	556	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	209378.2
Non-Polymers*	Number of molecules	10
	Total formula weight	2257.5
All*	Total formula weight	211635.7

*Water molecules are not included.