6W18

Structure of S. pombe Arp2/3 complex in inactive state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Actin-related protein 3	polymer	427	47427.1	1	UniProt (P32390) Pfam (PF00022) In PDB	Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)	Arp3, Actin-like protein 3
2	B	Actin-related protein 2	polymer	390	44286.8	1	UniProt (Q9UUJ1) Pfam (PF00022) In PDB	Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)	Arp2, Actin-like protein 2
3	C	Actin-related protein 2/3 complex subunit 1	polymer	377	41643.5	1	UniProt (P78774) Pfam (PF00400) In PDB	Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)	ARPC1, Arp2/3 complex 41 kDa subunit, p41-ARC
4	D	Actin-related protein 2/3 complex subunit 2	polymer	317	37025.2	1	UniProt (O14241) Pfam (PF04045) In PDB	Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)	ARPC2, Arp2/3 complex 34 kDa subunit, p34-ARC
5	E	Actin-related protein 2/3 complex subunit 3	polymer	174	19865.7	1	UniProt (Q9Y7J4) Pfam (PF04062) In PDB	Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)	ARPC3, Arp2/3 complex 21 kDa subunit, p21-ARC
6	F	Actin-related protein 2/3 complex subunit 4	polymer	168	19637.7	1	UniProt (Q92352) Pfam (PF05856) In PDB	Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)	ARPC4, Arp2/3 complex 20 kDa, p20-ARC
7	G	Actin-related protein 2/3 complex subunit 5	polymer	152	16922.1	1	UniProt (Q10316) Pfam (PF04699) In PDB	Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)	ARPC5, Arp2/3 complex 16 kDa subunit, p16-ARC
8	A, B	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
9	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)

Contents of the asymmetric unit

Polymers	Number of chains	7
	Total formula weight	226808.1
Non-Polymers*	Number of molecules	3
	Total formula weight	1038.7
All*	Total formula weight	227846.8

*Water molecules are not included.