4B1V

Structure of the Phactr1 RPEL-N domain bound to G-actin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	ACTIN, ALPHA SKELETAL MUSCLE	polymer	376	41965.8	2	UniProt (P68135) Pfam (PF00022)	ORYCTOLAGUS CUNICULUS (RABBIT)	ALPHA SKELETAL MUSCLE ACTIN, ALPHA-ACTIN-1
2	C, D (M, N)	PHOSPHATASE AND ACTIN REGULATOR 1	polymer	32	3842.5	2	UniProt (G5E8P7) Pfam (PF02755) UniProt (by SIFTS) (Q2M3X8)	MUS MUSCULUS	PHOSPHATASE AND ACTIN REGULATOR 1\, ISOFORM CRA_C
3	E, L, M, N (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	4	Chemie (EDO)
4	F, I (A, B)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
5	G, O (A, B)	LATRUNCULIN B	non-polymer		395.5	2	Chemie (LAB) PubChem (3892) PubChem (72940) PubChem (5352046) PubChem (5353712) PubChem (6436219) PubChem (10000783) PubChem (14504487) PubChem (16760044) PubChem (20054954) PubChem (22832299) PubChem (23424960) PubChem (23863831) PubChem (25215545) PubChem (56928133) PubChem (98044135) PubChem (57370013) PubChem (162928966) PubChem (59169653) PubChem (59431496) PubChem (67441199) PubChem (67441200) PubChem (88895461) PubChem (90912141) PubChem (92209860) PubChem (98044136) PubChem (98044137) PubChem (129388766) PubChem (129388767) PubChem (146159701) PubChem (154825202) PubChem (162928961) PubChem (162928962) PubChem (162928963) PubChem (162928964) PubChem (162928965) PubChem (162928967) PubChem (163195209) PubChem (168317464) PubChem (171039486)
6	H, K (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG) PubChem (888)
7	J, P (B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL) PubChem (753)
8	Q, R, S, T (A, B, M, N)	water	water		18.0	603	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	91616.5
Non-Polymers*	Number of molecules	12
	Total formula weight	2286.5
All*	Total formula weight	93903.0

*Water molecules are not included.