6dec

Crystal structure of Bos taurus Arp2/3 complex binding with C-terminus of Homo sapiens SPIN90

Method: X-RAY DIFFRACTION

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

Actin-related protein 3

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	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 Author chain H； 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 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	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 Author chain I； 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 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	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 Author chain J； 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 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	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 Author chain K； 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 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	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 Author chain L； 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 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	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 Author chain N； 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 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 8	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） NCK-interacting protein with SH3 domain × 1 （Q9NZQ3） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	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 Author chain O； PDBConstruct 1–151； UniProt 1–151

NCK-interacting protein with SH3 domain

Homo sapiens

UniProt Q9NZQ3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 8	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） Actin-related protein 2/3 complex subunit 5 × 1 （Q3SYX9） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 8	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） Actin-related protein 2/3 complex subunit 5 × 1 （Q3SYX9） CALCIUM ION × 2 ADENOSINE-5'-TRIPHOSPHATE × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SPN90_HUMAN
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain M； PDBConstruct 2–455； UniProt 269–722 Author chain P； PDBConstruct 2–455； UniProt 269–722

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	6dec
Deposition date deposition_date	2018-05-11
Structure title title	Crystal structure of Bos taurus Arp2/3 complex binding with C-terminus of Homo sapiens SPIN90
Keywords keywords	SPIN90 Arp2-3 complex, actin filament binding interface, linear filament nucleation activation, ENDOCYTOSIS; ENDOCYTOSIS
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.

6dec__assembly_1__model_1

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

Download this curve (.dat)

6dec__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6dec__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	44.90 Å
Rg (electron density)	44.52 Å
Total Rg	44.82 Å
Atom count	10929
Residues	2158
Excluded volume	176190 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6dec__assembly_1__model_1`	octameric （8）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`6dec__assembly_2__model_1`	octameric （8）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`6dec__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`6dec__assembly_4__model_1`	monomeric （1）	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 (12)

Entity 1 Entity 1 polymer

Description description	Actin-related protein 3
Molecular weight formula_weight	47428.0 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,H
Atom count atom_count	20563

MAGRLPACVVDCGTGYTKLGYAGNTEPQFIIPSCIAIKESAKVGDQAQRRVMKGVDDLDFFIGDEAIEKPTYATKWPIRHGIVEDWDLMERFMEQVIFKYLRAEPEDHYFLLTEPPLNTPENREYTAEIMFESFNVPGLYIAVQAVLALAASWTSRQVGERTLTGTVIDSGDGVTHVIPVAEGYVIGSCIKHIPIAGRDITYFIQQLLRDREVGIPPEQSLETAKAVKERYSYVCPDLVKEFNKYDTDGSKWIKQYTGINAISKKEFSIDVGYERFLGPEIFFHPEFANPDFTQPISEVVDEVIQNCPIDVRRPLYKNIVLSGGSTMFRDFGRRLQRDLKRTVDARLKLSEELSGGRLKPKPIDVQVITHHMQRYAVWFGGSMLASTPEFYQVCHTKKDYEEIGPSICRHNPVFGVMS

Entity 2 Entity 2 polymer

Description description	Actin-related protein 2
Molecular weight formula_weight	44818.7 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,I

MDSQGRKVVVCDNGTGFVKCGYAGSNFPEHIFPALVGRPIIRSTTKVGNIEIKDLMVGDEASELRSMLEVNYPMENGIVRNWDDMKHLWDYTFGPEKLNIDTRNCKILLTEPPMNPTKNREKIVEVMFETYQFSGVYVAIQAVLTLYAQGLLTGVVVDSGDGVTHICPVYEGFSLPHLTRRLDIAGRDITRYLIKLLLLRGYAFNHSADFETVRMIKEKLCYVGYNIEQEQKLALETTVLVESYTLPDGRIIKVGGERFEAPEALFQPHLINVEGVGVAELLFNTIQAADIDTRSEFYKHIVLSGGSTMYPGLPSRLERELKQLYLERVLKGDVEKLSKFKIRIEDPPRRKHMVFLGGAVLADIMKDKDNFWMTRQEYQEKGVRVLEKLGVTVR

Entity 3 Entity 3 polymer

Description description	Actin-related protein 2/3 complex subunit 1B
Molecular weight formula_weight	41030.8 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,J

MAYHSFLVEPISCHAWNKDRTQIAICPNNHEVHIYEKSGNKWVQVHELKEHNGQVTGIDWAPDSNRIVTCGTDRNAYVWTLKGRTWKPTLVILRINRAARCVRWAPNEKKFAVGSGSRVISICYFEQENDWWVCKHIKKPIRSTVLSLDWHPNSVLLAAGSCDFKCRIFSAYIKEVEERPAPTPWGSKMPFGELMFESSSSCGWVHGVCFSANGSRVAWVSHDSTVCLADADKKMAVATLASETLPLLAVTFITESSLVAAGHDCFPVLFTYDSAAGKLSFGGRLDVPKQSSQRGLTARERFQNLDKKASSEGSAAAGAGLDSLHKNSVSQISVLSGGKAKCSQFCTTGMDGGMSIWDVRSLESALKDLKIV

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	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D,K

MILLEVNNRIIEETLALKFENAAAGNKPEAVEVTFADFDGVLYHISNPNGDKTKVMVSISLKFYKELQAHGADELLKRVYGSYLVNPESGYNVSLLYDLENLPASKDSIVHQAGMLKRNCFASVFEKYFQFQEEGKEGENRAVIHYRDDETMYVESKKDRVTVVFSTVFKDDDDVVIGKVFMQEFKEGRRASHTAPQVLFSHREPPLELKDTDAAVGDNIGYITFVLFPRHTNASARDNTINLIHTFRDYLHYHIKCSKAYIHTRMRAKTSDFLKVLNRARPDAEKKEMKTITGKTFSSR

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	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,L

MPAYHSSLMDPDTKLIGNMALLPIRSQFKGPAPRETKDTDIVDEAIYYFKANVFFKNYEIKNEADRTLIYITLYISECLKKLQKCNSKSQGEKEMYTLGITNFPIPGEPGFPLNAIYAKPANKQEDEVMRAYLQQLRQETGLRLCEKVFDPQNDKPSKWWTCFVKRQFMNKSLSGPGQ

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	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,N

MTATLRPYLSAVRATLQAALCLENFSSQVVERHNKPEVEVRSSKELLLQPVTISRNEKEKVLIEGSINSVRVSIAVKQADEIEKILCHKFMRFMMMRAENFFILRRKPVEGYDISFLITNFHTEQMYKHKLVDFVIHFMEEIDKEISEMKLSVNARARIVAEEFLKNF

Entity 7 Entity 7 polymer

Description description	Actin-related protein 2/3 complex subunit 5
Molecular weight formula_weight	16251.3 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,O

MSKNTVSSARFRKVDVGEYDENKFVDEEDGGDGQAGPDEGEVDSCLRQGNMTAALQAALKNPPINTKSQAVKDRAGSIVLKVLISFKANDIEKAVQSLDKNGVDLLMKYIYKGFESPSDNSSAVLLQWHEKALAAGGVGSIVRVLTARKTV

Entity 8 Entity 8 polymer

Description description	NCK-interacting protein with SH3 domain
Molecular weight formula_weight	50648.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M,P

SEPPAEEEVATGTTSASDDLEALGTLSLGTTEEKAAAEAAVPRTIGAELMELVRRNTGLSHELCRVAIGIIVGHIQASVPASSPVMEQVLLSLVEGKDLSMALPSGQVCHDQQRLEVIFADLARRKDDAQQRSWALYEDEGVIRCYLEELLHILTDADPEVCKKMCKRNEFESVLALVAYYQMEHRASLRLLLLKCFGAMCSLDAAIISTLVSSVLPVELARDMQTDTQDHQKLCYSALILAMVFSMGEAVPYAHYEHLGTPFAQFLLNIVEDGLPLDTTEQLPDLCVNLLLALNLHLPAADQNVIMAALSKHANVKIFSEKLLLLLNRGDDPVRIFKHEPQPPHSVLKFLQDVFGSPATAAIFYHTDMMALIDITVRHIADLSPGDKLRMEYLSLMHAIVRTTPYLQHRHRLPDLQAILRRILNEEETSPQCQMDRMIVREMCKEFLVLGEAPS

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 9 Entity 9 polymer

Description description	unidentified
Molecular weight formula_weight	528.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

XXXXXX

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 10 Entity 10 polymer

Description description	unidentified
Molecular weight formula_weight	784.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R

XXXXXXXXX

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 11 Entity 11 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 12 Entity 12 non-polymer

Description description	ADENOSINE-5'-TRIPHOSPHATE
Molecular weight formula_weight	507.2 kDa
Source method src_method	syn
Copy count entity_count	4

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Unit-cell length a length_a	179.840 Å
Unit-cell length b length_b	197.381 Å
Unit-cell length c length_c	202.067 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	8

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

Resolution resolution	4.600 Å
Low-resolution limit resolution_low	48.939 Å
R factor r_factor	0.2767
R_work r_work	0.2747
R_free r_free	0.3141

Crystal structure of Bos taurus Arp2/3 complex binding with C-terminus of Homo sapiens SPIN90

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

Actin-related 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-related 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

NCK-interacting protein with SH3 domain

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

6dec__assembly_1__model_1

6dec__assembly_1__model_1 | I(q)

6dec__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 (12)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer