2p9s

Structure of bovine Arp2/3 complex co-crystallized with ATP/Mg2+

Method: X-RAY DIFFRACTION

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

Actin-like protein 3

Bos taurus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 7	Actin-like 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） MAGNESIUM ION × 1 ADENOSINE-5'-TRIPHOSPHATE × 2 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-like protein 2

Bos taurus

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-like 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） MAGNESIUM ION × 1 ADENOSINE-5'-TRIPHOSPHATE × 2 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

Bos taurus

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-like protein 3 × 1 （P61157） Actin-like 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） MAGNESIUM ION × 1 ADENOSINE-5'-TRIPHOSPHATE × 2 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

Bos taurus

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-like protein 3 × 1 （P61157） Actin-like 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） MAGNESIUM ION × 1 ADENOSINE-5'-TRIPHOSPHATE × 2 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

Bos taurus

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-like protein 3 × 1 （P61157） Actin-like 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） MAGNESIUM ION × 1 ADENOSINE-5'-TRIPHOSPHATE × 2 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

Bos taurus

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-like protein 3 × 1 （P61157） Actin-like 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） MAGNESIUM ION × 1 ADENOSINE-5'-TRIPHOSPHATE × 2 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

Bos taurus

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-like protein 3 × 1 （P61157） Actin-like 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） MAGNESIUM ION × 1 ADENOSINE-5'-TRIPHOSPHATE × 2 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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	2p9s
Deposition date deposition_date	2007-03-26
Structure title title	Structure of bovine Arp2/3 complex co-crystallized with ATP/Mg2+
Keywords keywords	actin, WD repeat, complex, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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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.

2p9s__assembly_1__model_1

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

Download this curve (.dat)

2p9s__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2p9s__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	43.47 Å
Rg (electron density)	43.11 Å
Total Rg	43.34 Å
Atom count	13375
Residues	1690
Excluded volume	238100 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2p9s__assembly_1__model_1`	heptameric （7）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (10)

Entity 1 Entity 1 polymer

Description description	Actin-like protein 3
Molecular weight formula_weight	47428.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	13608

MAGRLPACVVDCGTGYTKLGYAGNTEPQFIIPSCIAIKESAKVGDQAQRRVMKGVDDLDFFIGDEAIEKPTYATKWPIRHGIVEDWDLMERFMEQVIFKYLRAEPEDHYFLLTEPPLNTPENREYTAEIMFESFNVPGLYIAVQAVLALAASWTSRQVGERTLTGTVIDSGDGVTHVIPVAEGYVIGSCIKHIPIAGRDITYFIQQLLRDREVGIPPEQSLETAKAVKERYSYVCPDLVKEFNKYDTDGSKWIKQYTGINAISKKEFSIDVGYERFLGPEIFFHPEFANPDFTQPISEVVDEVIQNCPIDVRRPLYKNIVLSGGSTMFRDFGRRLQRDLKRTVDARLKLSEELSGGRLKPKPIDVQVITHHMQRYAVWFGGSMLASTPEFYQVCHTKKDYEEIGPSICRHNPVFGVMS

Source Source

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913

Entity 2 Entity 2 polymer

Description description	Actin-like protein 2
Molecular weight formula_weight	44818.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MDSQGRKVVVCDNGTGFVKCGYAGSNFPEHIFPALVGRPIIRSTTKVGNIEIKDLMVGDEASELRSMLEVNYPMENGIVRNWDDMKHLWDYTFGPEKLNIDTRNCKILLTEPPMNPTKNREKIVEVMFETYQFSGVYVAIQAVLTLYAQGLLTGVVVDSGDGVTHICPVYEGFSLPHLTRRLDIAGRDITRYLIKLLLLRGYAFNHSADFETVRMIKEKLCYVGYNIEQEQKLALETTVLVESYTLPDGRIIKVGGERFEAPEALFQPHLINVEGVGVAELLFNTIQAADIDTRSEFYKHIVLSGGSTMYPGLPSRLERELKQLYLERVLKGDVEKLSKFKIRIEDPPRRKHMVFLGGAVLADIMKDKDNFWMTRQEYQEKGVRVLEKLGVTVR

Source Source

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913

Entity 3 Entity 3 polymer

Description description	Actin-related protein 2/3 complex subunit 1B
Molecular weight formula_weight	41016.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MAYHSFLVEPISCHAWNKDRTQIAICPNNHEVHIYEKSGNKWVQVHELKEHNGQVTGVDWAPDSNRIVTCGTDRNAYVWTLKGRTWKPTLVILRINRAARCVRWAPNEKKFAVGSGSRVISICYFEQENDWWVCKHIKKPIRSTVLSLDWHPNSVLLAAGSCDFKCRIFSAYIKEVEERPAPTPWGSKMPFGELMFESSSSCGWVHGVCFSANGSRVAWVSHDSTVCLADADKKMAVATLASETLPLLAVTFITESSLVAAGHDCFPVLFTYDSAAGKLSFGGRLDVPKQSSQRGLTARERFQNLDKKASSEGSAAAGAGLDSLHKNSVSQISVLSGGKAKCSQFCTTGMDGGMSIWDVRSLESALKDLKIV

Source Source

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913

Entity 4 Entity 4 polymer

Description description	Actin-related protein 2/3 complex subunit 2
Molecular weight formula_weight	34402.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MILLEVNNRIIEETLALKFENAAAGNKPEAVEVTFADFDGVLYHISNPNGDKTKVMVSISLKFYKELQAHGADELLKRVYGSYLVNPESGYNVSLLYDLENLPASKDSIVHQAGMLKRNCFASVFEKYFQFQEEGKEGENRAVIHYRDDETMYVESKKDRVTVVFSTVFKDDDDVVIGKVFMQEFKEGRRASHTAPQVLFSHREPPLELKDTDAAVGDNIGYITFVLFPRHTNASARDNTINLIHTFRDYLHYHIKCSKAYIHTRMRAKTSDFLKVLNRARPDAEKKEMKTITGKTFSSR

Source Source

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913

Entity 5 Entity 5 polymer

Description description	Actin-related protein 2/3 complex subunit 3
Molecular weight formula_weight	20572.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MPAYHSSLMDPDTKLIGNMALLPIRSQFKGPAPRETKDTDIVDEAIYYFKANVFFKNYEIKNEADRTLIYITLYISECLKKLQKCNSKSQGEKEMYTLGITNFPIPGEPGFPLNAIYAKPANKQEDEVMRAYLQQLRQETGLRLCEKVFDPQNDKPSKWWTCFVKRQFMNKSLSGPGQ

Source Source

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913

Entity 6 Entity 6 polymer

Description description	Actin-related protein 2/3 complex subunit 4
Molecular weight formula_weight	19697.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MTATLRPYLSAVRATLQAALCLENFSSQVVERHNKPEVEVRSSKELLLQPVTISRNEKEKVLIEGSINSVRVSIAVKQADEIEKILCHKFMRFMMMRAENFFILRRKPVEGYDISFLITNFHTEQMYKHKLVDFVIHFMEEIDKEISEMKLSVNARARIVAEEFLKNF

Source Source

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913

Entity 7 Entity 7 polymer

Description description	Actin-related protein 2/3 complex subunit 5
Molecular weight formula_weight	16295.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MSKNTVSSARFRKVDVDEYDENKFVDEDDGGDGQAGPDEGEVDSCLRQGNMTAALQAALKNPPINTKSQAVKDRAGSIVLKVLISFKANDIEKAVQSLDKNGVDLLMKYIYKGFESPSDNSSAVLLQWHEKALAAGGVGSIVRVLTARKTV

Source Source

Source organism organism	Bos taurus
Common name common_name	cattle
NCBI taxonomy ID ncbi_taxonomy_id	9913

Entity 8 Entity 8 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 9 Entity 9 non-polymer

Description description	ADENOSINE-5'-TRIPHOSPHATE
Molecular weight formula_weight	507.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 10 Entity 10 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	233

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6. Fold Classification (SCOP + CATH) 21 domains

SCOP 2.08 (9 domains)

Domain ID domain_id	d2p9sa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.1 — Actin-like ATPase domain
Family Family family	c.55.1.1 — Actin/HSP70

Domain ID domain_id	d2p9sa2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.1 — Actin-like ATPase domain
Family Family family	c.55.1.1 — Actin/HSP70

Domain ID domain_id	d2p9sb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamily	c.55.1 — Actin-like ATPase domain
Family Family family	c.55.1.1 — Actin/HSP70

Domain ID domain_id	d2p9sc_
Class class	b — All beta proteins
Fold Fold fold	b.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamily	b.69.4 — WD40 repeat-like
Family Family family	b.69.4.1 — WD40-repeat

Domain ID domain_id	d2p9sd1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.198 — Secretion chaperone-like
Superfamily Superfamily superfamily	d.198.2 — Arp2/3 complex subunits
Family Family family	d.198.2.1 — Arp2/3 complex subunits

Domain ID domain_id	d2p9sd2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.198 — Secretion chaperone-like
Superfamily Superfamily superfamily	d.198.2 — Arp2/3 complex subunits
Family Family family	d.198.2.1 — Arp2/3 complex subunits

Domain ID domain_id	d2p9se_
Class class	a — All alpha proteins
Fold Fold fold	a.148 — Arp2/3 complex 21 kDa subunit ARPC3
Superfamily Superfamily superfamily	a.148.1 — Arp2/3 complex 21 kDa subunit ARPC3
Family Family family	a.148.1.1 — Arp2/3 complex 21 kDa subunit ARPC3

Domain ID domain_id	d2p9sf_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.198 — Secretion chaperone-like
Superfamily Superfamily superfamily	d.198.2 — Arp2/3 complex subunits
Family Family family	d.198.2.1 — Arp2/3 complex subunits

Domain ID domain_id	d2p9sg_
Class class	a — All alpha proteins
Fold Fold fold	a.118 — alpha-alpha superhelix
Superfamily Superfamily superfamily	a.118.13 — Arp2/3 complex 16 kDa subunit ARPC5
Family Family family	a.118.13.1 — Arp2/3 complex 16 kDa subunit ARPC5

CATH v4.4 (12 domains)

Domain ID domain_id	2p9sA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	40 — ATPase, nucleotide binding domain

Domain ID domain_id	2p9sA02
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	36 — Actin; Chain A, domain 2
Homologous superfamily homologous superfamily	70 — Actin; Chain A, domain 2

Domain ID domain_id	2p9sA03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	40 — ATPase, nucleotide binding domain

Domain ID domain_id	2p9sA04
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily	10 — ATPase, substrate binding domain, subdomain 4

Domain ID domain_id	2p9sB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	40 — ATPase, nucleotide binding domain

Domain ID domain_id	2p9sB02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily	10 — ATPase, substrate binding domain, subdomain 4

Domain ID domain_id	2p9sC00
Class class	2 — Mainly Beta
Architecture architecture	130 — 7 Propeller
Topology topology	10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily	10 — YVTN repeat-like/Quinoprotein amine dehydrogenase

Domain ID domain_id	2p9sD01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1460 — Yope Regulator; Chain: A,
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2p9sD02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1460 — Yope Regulator; Chain: A,
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2p9sE00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1760 — Arp2/3 complex 21 kDa subunit ARPC3
Homologous superfamily homologous superfamily	10 — Actin-related protein 2/3 complex subunit 3

Domain ID domain_id	2p9sF00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1460 — Yope Regulator; Chain: A,
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2p9sG00
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	190 — Actin-related protein 2/3 complex subunit 5

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Unit-cell length a length_a	111.020 Å
Unit-cell length b length_b	128.694 Å
Unit-cell length c length_c	201.402 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.680 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2240
R_work r_work	0.2220
R_free r_free	0.2610

Structure of bovine Arp2/3 complex co-crystallized with ATP/Mg2+

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

Actin-like protein 3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Actin-like protein 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Actin-related protein 2/3 complex subunit 1B

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Actin-related protein 2/3 complex subunit 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Actin-related protein 2/3 complex subunit 3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Actin-related protein 2/3 complex subunit 4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Actin-related protein 2/3 complex subunit 5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2p9s__assembly_1__model_1

2p9s__assembly_1__model_1 | I(q)

2p9s__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (10)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 polymer

Polymer Polymer