7K21

Cryo-EM structure of pyrene-labeled ADP-Pi-actin filaments

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 (A, B, C, D)	Actin, alpha skeletal muscle	polymer	375	41875.6	4	UniProt (P68139) Pfam (PF00022)	Gallus gallus (Chicken)	Alpha-actin-1
2	E, I, M, Q (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	F, J, N, R (A, B, C, D)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)
4	G, K, O, S (A, B, C, D)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
5	H, L, P, T (A, B, C, D)	N-(pyren-1-yl)acetamide	non-polymer		259.3	4	Chemie (1T4)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	167502.5
Non-Polymers*	Number of molecules	16
	Total formula weight	3223.1
All*	Total formula weight	170725.6

*Water molecules are not included.