3dxk

Structure of Bos Taurus Arp2/3 Complex with Bound Inhibitor CK0944636

Method: X-RAY DIFFRACTION
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

Actin-related protein 3

OrganismNot specified

UniProt P61157

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Actin-related protein 2 × 1 (A7MB62) Actin-related protein 2/3 complex subunit 1B × 1 (Q58CQ2) Actin-related protein 2/3 complex subunit 2 × 1 (Q3MHR7) Actin-related protein 2/3 complex subunit 3 × 1 (Q3T035) Actin-related protein 2/3 complex subunit 4 × 1 (Q148J6) Actin-related protein 2/3 complex subunit 5 × 1 (Q3SYX9) N-[2-(2-methyl-1H-indol-3-yl)ethyl]thiophene-2-carboxamide × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ARP3_BOVIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–418; UniProt 1–418

Actin-related protein 2

OrganismNot specified

UniProt A7MB62

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Actin-related protein 3 × 1 (P61157) Actin-related protein 2/3 complex subunit 1B × 1 (Q58CQ2) Actin-related protein 2/3 complex subunit 2 × 1 (Q3MHR7) Actin-related protein 2/3 complex subunit 3 × 1 (Q3T035) Actin-related protein 2/3 complex subunit 4 × 1 (Q148J6) Actin-related protein 2/3 complex subunit 5 × 1 (Q3SYX9) N-[2-(2-methyl-1H-indol-3-yl)ethyl]thiophene-2-carboxamide × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ARP2_BOVIN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–394; UniProt 1–394

Actin-related protein 2/3 complex subunit 1B

OrganismNot specified

UniProt Q58CQ2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Actin-related protein 3 × 1 (P61157) Actin-related protein 2 × 1 (A7MB62) Actin-related protein 2/3 complex subunit 2 × 1 (Q3MHR7) Actin-related protein 2/3 complex subunit 3 × 1 (Q3T035) Actin-related protein 2/3 complex subunit 4 × 1 (Q148J6) Actin-related protein 2/3 complex subunit 5 × 1 (Q3SYX9) N-[2-(2-methyl-1H-indol-3-yl)ethyl]thiophene-2-carboxamide × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ARC1B_BOVIN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–372; UniProt 1–372

Actin-related protein 2/3 complex subunit 2

OrganismNot specified

UniProt Q3MHR7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Actin-related protein 3 × 1 (P61157) Actin-related protein 2 × 1 (A7MB62) Actin-related protein 2/3 complex subunit 1B × 1 (Q58CQ2) Actin-related protein 2/3 complex subunit 3 × 1 (Q3T035) Actin-related protein 2/3 complex subunit 4 × 1 (Q148J6) Actin-related protein 2/3 complex subunit 5 × 1 (Q3SYX9) N-[2-(2-methyl-1H-indol-3-yl)ethyl]thiophene-2-carboxamide × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ARPC2_BOVIN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain D; PDBConstruct 1–300; UniProt 1–300

Actin-related protein 2/3 complex subunit 3

OrganismNot specified

UniProt Q3T035

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Actin-related protein 3 × 1 (P61157) Actin-related protein 2 × 1 (A7MB62) Actin-related protein 2/3 complex subunit 1B × 1 (Q58CQ2) Actin-related protein 2/3 complex subunit 2 × 1 (Q3MHR7) Actin-related protein 2/3 complex subunit 4 × 1 (Q148J6) Actin-related protein 2/3 complex subunit 5 × 1 (Q3SYX9) N-[2-(2-methyl-1H-indol-3-yl)ethyl]thiophene-2-carboxamide × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ARPC3_BOVIN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain E; PDBConstruct 1–178; UniProt 1–178

Actin-related protein 2/3 complex subunit 4

OrganismNot specified

UniProt Q148J6

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Actin-related protein 3 × 1 (P61157) Actin-related protein 2 × 1 (A7MB62) Actin-related protein 2/3 complex subunit 1B × 1 (Q58CQ2) Actin-related protein 2/3 complex subunit 2 × 1 (Q3MHR7) Actin-related protein 2/3 complex subunit 3 × 1 (Q3T035) Actin-related protein 2/3 complex subunit 5 × 1 (Q3SYX9) N-[2-(2-methyl-1H-indol-3-yl)ethyl]thiophene-2-carboxamide × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ARPC4_BOVIN
Isoform —
PDB entities 6
Chains and sequence ranges Author chain F; PDBConstruct 1–168; UniProt 1–168

Actin-related protein 2/3 complex subunit 5

OrganismNot specified

UniProt Q3SYX9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Actin-related protein 3 × 1 (P61157) Actin-related protein 2 × 1 (A7MB62) Actin-related protein 2/3 complex subunit 1B × 1 (Q58CQ2) Actin-related protein 2/3 complex subunit 2 × 1 (Q3MHR7) Actin-related protein 2/3 complex subunit 3 × 1 (Q3T035) Actin-related protein 2/3 complex subunit 4 × 1 (Q148J6) N-[2-(2-methyl-1H-indol-3-yl)ethyl]thiophene-2-carboxamide × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ARPC5_BOVIN
Isoform —
PDB entities 7
Chains and sequence ranges Author chain G; PDBConstruct 1–151; UniProt 1–151

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id3dxk
Deposition date deposition_date2008-07-24
Structure title titleStructure of Bos Taurus Arp2/3 Complex with Bound Inhibitor CK0944636
Keywords keywords;beta-propeller, Acetylation, Actin-binding, ATP-binding, Cell projection, Cytoplasm, Cytoskeleton, Nucleotide-binding, Phosphoprotein, WD repeat, STRUCTURAL PROTEIN ;; STRUCTURAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION
▼

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

3dxk__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3dxk__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3dxk__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)44.04 Å
Rg (electron density)43.62 Å
Total Rg43.87 Å
Atom count13556
Residues1704
Excluded volume242130 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3dxk__assembly_1__model_1 heptameric (7) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (9)

▼

6. Fold Classification (SCOP + CATH) 21 domains

SCOP 2.08 (9 domains)

Domain ID domain_idd3dxka1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.1 — Actin-like ATPase domain
Family Family familyc.55.1.1 — Actin/HSP70
Domain ID domain_idd3dxka2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.1 — Actin-like ATPase domain
Family Family familyc.55.1.1 — Actin/HSP70
Domain ID domain_idd3dxkb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.1 — Actin-like ATPase domain
Family Family familyc.55.1.1 — Actin/HSP70
Domain ID domain_idd3dxkc_
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.4 — WD40 repeat-like
Family Family familyb.69.4.1 — WD40-repeat
Domain ID domain_idd3dxkd1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.198 — Secretion chaperone-like
Superfamily Superfamily superfamilyd.198.2 — Arp2/3 complex subunits
Family Family familyd.198.2.1 — Arp2/3 complex subunits
Domain ID domain_idd3dxkd2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.198 — Secretion chaperone-like
Superfamily Superfamily superfamilyd.198.2 — Arp2/3 complex subunits
Family Family familyd.198.2.1 — Arp2/3 complex subunits
Domain ID domain_idd3dxke_
Class classa — All alpha proteins
Fold Fold folda.148 — Arp2/3 complex 21 kDa subunit ARPC3
Superfamily Superfamily superfamilya.148.1 — Arp2/3 complex 21 kDa subunit ARPC3
Family Family familya.148.1.1 — Arp2/3 complex 21 kDa subunit ARPC3
Domain ID domain_idd3dxkf_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.198 — Secretion chaperone-like
Superfamily Superfamily superfamilyd.198.2 — Arp2/3 complex subunits
Family Family familyd.198.2.1 — Arp2/3 complex subunits
Domain ID domain_idd3dxkg_
Class classa — All alpha proteins
Fold Fold folda.118 — alpha-alpha superhelix
Superfamily Superfamily superfamilya.118.13 — Arp2/3 complex 16 kDa subunit ARPC5
Family Family familya.118.13.1 — Arp2/3 complex 16 kDa subunit ARPC5

CATH v4.4 (12 domains)

Domain ID domain_id3dxkA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id3dxkA02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology36 — Actin; Chain A, domain 2
Homologous superfamily homologous superfamily70 — Actin; Chain A, domain 2
Domain ID domain_id3dxkA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id3dxkA04
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id3dxkB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id3dxkB02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id3dxkC00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id3dxkD01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1460 — Yope Regulator; Chain: A,
Homologous superfamily homologous superfamily20 —
Domain ID domain_id3dxkD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1460 — Yope Regulator; Chain: A,
Homologous superfamily homologous superfamily20 —
Domain ID domain_id3dxkE00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1760 — Arp2/3 complex 21 kDa subunit ARPC3
Homologous superfamily homologous superfamily10 — Actin-related protein 2/3 complex subunit 3
Domain ID domain_id3dxkF00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1460 — Yope Regulator; Chain: A,
Homologous superfamily homologous superfamily20 —
Domain ID domain_id3dxkG00
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily190 — Actin-related protein 2/3 complex subunit 5
▶

7. Citations (1)