4XF2

Tetragonal structure of Arp2/3 complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, T	Actin-related protein 3	polymer	418	47428.0	2	UniProt (P61157) Pfam (PF00022) In PDB	Bos taurus (Bovine)	Actin-2,Actin-like protein 3
2	B, U	Actin-related protein 2	polymer	394	44818.7	2	UniProt (A7MB62) Pfam (PF00022) In PDB	Bos taurus (Bovine)	Actin-like protein 2
3	C, V	Actin-related protein 2/3 complex subunit 1B	polymer	372	41016.7	2	UniProt (Q58CQ2) Pfam (PF00400) In PDB	Bos taurus (Bovine)	Arp2/3 complex 41 kDa subunit,p41-ARC
4	D, W	Actin-related protein 2/3 complex subunit 2	polymer	300	34402.0	2	UniProt (Q3MHR7) Pfam (PF04045) In PDB	Bos taurus (Bovine)	Arp2/3 complex 34 kDa subunit,p34-ARC
5	E, X	Actin-related protein 2/3 complex subunit 3	polymer	178	20572.7	2	UniProt (Q3T035) Pfam (PF04062) In PDB	Bos taurus (Bovine)	Arp2/3 complex 21 kDa subunit,p21-ARC
6	F, Y	Actin-related protein 2/3 complex subunit 4	polymer	168	19697.0	2	UniProt (Q148J6) Pfam (PF05856) In PDB	Bos taurus (Bovine)	Arp2/3 complex 20 kDa subunit,p20-ARC
7	G, Z	Actin-related protein 2/3 complex subunit 5	polymer	151	16295.3	2	UniProt (Q3SYX9) Pfam (PF04699) In PDB	Bos taurus (Bovine)	Arp2/3 complex 16 kDa subunit,p16-ARC

Sequence modifications

C, V: 1 - 372 (UniProt: Q58CQ2)

PDB	External Database	Details
Val 58	Ile 58	conflict

G, Z: 1 - 151 (UniProt: Q3SYX9)

PDB	External Database	Details
Asp 17	Gly 17	conflict
Asp 28	Glu 28	conflict

Contents of the asymmetric unit

Polymers	Number of chains	14
	Total formula weight	448461.1
All*	Total formula weight	448461.1

*Water molecules are not included.