8iah

Structure of mammalian spectrin-actin junctional complex of membrane skeleton, State I, Global map

Method: ELECTRON MICROSCOPY Dmax: 329.8 Å Quality: GOOD

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

Adducin 1

OrganismNot specified

UniProt A0A8D1Q0D0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain 0; UniProt 11–754 Chain 1; UniProt 11–754 Chain 2; UniProt 11–754 Not recorded Beta-adducin × 3 (A0A480JMR2) Dematin actin binding protein × 3 (A0A8D1E7W3) Spectrin alpha, erythrocytic 1 × 1 (A0A5G2R924) Actin, cytoplasmic 1 × 12 (Q6QAQ1) Spectrin beta chain × 8 (A0A480J001) Tropomyosin-1.9 × 1 Tropomyosin 3 × 3 (Q6QA25) Tropomodulin-1 × 1 (A0A287BCZ0) SH3 domain-binding glutamic acid-rich-like protein × 1 (A0A4X1V2Q0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A8D1Q0D0_PIG
Isoform
PDB entities 1
Chains and sequence ranges Author chain 0; PDBConstruct 1–744; UniProt 11–754 Author chain 1; PDBConstruct 1–744; UniProt 11–754 Author chain 2; PDBConstruct 1–744; UniProt 11–754

Beta-adducin

OrganismNot specified

UniProt A0A480JMR2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain 3; UniProt 1–724 Chain 4; UniProt 1–724 Chain 9; UniProt 1–724 Not recorded Adducin 1 × 3 (A0A8D1Q0D0) Dematin actin binding protein × 3 (A0A8D1E7W3) Spectrin alpha, erythrocytic 1 × 1 (A0A5G2R924) Actin, cytoplasmic 1 × 12 (Q6QAQ1) Spectrin beta chain × 8 (A0A480J001) Tropomyosin-1.9 × 1 Tropomyosin 3 × 3 (Q6QA25) Tropomodulin-1 × 1 (A0A287BCZ0) SH3 domain-binding glutamic acid-rich-like protein × 1 (A0A4X1V2Q0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A480JMR2_PIG
Isoform
PDB entities 2
Chains and sequence ranges Author chain 3; PDBConstruct 1–724; UniProt 1–724 Author chain 4; PDBConstruct 1–724; UniProt 1–724 Author chain 9; PDBConstruct 1–724; UniProt 1–724

Dematin actin binding protein

OrganismNot specified

UniProt A0A8D1E7W3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain 5; UniProt 1–405 Chain 6; UniProt 1–405 Chain 7; UniProt 1–405 Not recorded Adducin 1 × 3 (A0A8D1Q0D0) Beta-adducin × 3 (A0A480JMR2) Spectrin alpha, erythrocytic 1 × 1 (A0A5G2R924) Actin, cytoplasmic 1 × 12 (Q6QAQ1) Spectrin beta chain × 8 (A0A480J001) Tropomyosin-1.9 × 1 Tropomyosin 3 × 3 (Q6QA25) Tropomodulin-1 × 1 (A0A287BCZ0) SH3 domain-binding glutamic acid-rich-like protein × 1 (A0A4X1V2Q0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A8D1E7W3_PIG
Isoform
PDB entities 3
Chains and sequence ranges Author chain 5; PDBConstruct 1–405; UniProt 1–405 Author chain 6; PDBConstruct 1–405; UniProt 1–405 Author chain 7; PDBConstruct 1–405; UniProt 1–405

Spectrin alpha, erythrocytic 1

OrganismNot specified

UniProt A0A5G2R924

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain 8; UniProt 1–2417 Not recorded Adducin 1 × 3 (A0A8D1Q0D0) Beta-adducin × 3 (A0A480JMR2) Dematin actin binding protein × 3 (A0A8D1E7W3) Actin, cytoplasmic 1 × 12 (Q6QAQ1) Spectrin beta chain × 8 (A0A480J001) Tropomyosin-1.9 × 1 Tropomyosin 3 × 3 (Q6QA25) Tropomodulin-1 × 1 (A0A287BCZ0) SH3 domain-binding glutamic acid-rich-like protein × 1 (A0A4X1V2Q0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name A0A5G2R924_PIG
Isoform
PDB entities 4
Chains and sequence ranges Author chain 8; PDBConstruct 1–2417; UniProt 1–2417

Actin, cytoplasmic 1

OrganismNot specified

UniProt Q6QAQ1

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain A; UniProt 1–375 Chain B; UniProt 1–375 Chain C; UniProt 1–375 Chain D; UniProt 1–375 Chain E; UniProt 1–375 Chain F; UniProt 1–375 Chain G; UniProt 1–375 Chain H; UniProt 1–375 Chain I; UniProt 1–375 Chain J; UniProt 1–375 Chain K; UniProt 1–375 Chain L; UniProt 1–375 Not recorded Adducin 1 × 3 (A0A8D1Q0D0) Beta-adducin × 3 (A0A480JMR2) Dematin actin binding protein × 3 (A0A8D1E7W3) Spectrin alpha, erythrocytic 1 × 1 (A0A5G2R924) Spectrin beta chain × 8 (A0A480J001) Tropomyosin-1.9 × 1 Tropomyosin 3 × 3 (Q6QA25) Tropomodulin-1 × 1 (A0A287BCZ0) SH3 domain-binding glutamic acid-rich-like protein × 1 (A0A4X1V2Q0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

24 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACTB_PIG
Isoform
PDB entities 5
Chains and sequence ranges Author chain A; PDBConstruct 1–375; UniProt 1–375 Author chain B; PDBConstruct 1–375; UniProt 1–375 Author chain C; PDBConstruct 1–375; UniProt 1–375 Author chain D; PDBConstruct 1–375; UniProt 1–375 Author chain E; PDBConstruct 1–375; UniProt 1–375 Author chain F; PDBConstruct 1–375; UniProt 1–375 Author chain G; PDBConstruct 1–375; UniProt 1–375 Author chain H; PDBConstruct 1–375; UniProt 1–375 Author chain I; PDBConstruct 1–375; UniProt 1–375 Author chain J; PDBConstruct 1–375; UniProt 1–375 Author chain K; PDBConstruct 1–375; UniProt 1–375 Author chain L; PDBConstruct 1–375; UniProt 1–375

Spectrin beta chain

OrganismNot specified

UniProt A0A480J001

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain M; UniProt 1–2148 Chain N; UniProt 1–2148 Chain O; UniProt 1–2148 Chain P; UniProt 1–2148 Chain Q; UniProt 1–2148 Chain R; UniProt 1–2148 Chain S; UniProt 1–2148 Chain T; UniProt 1–2148 Not recorded Adducin 1 × 3 (A0A8D1Q0D0) Beta-adducin × 3 (A0A480JMR2) Dematin actin binding protein × 3 (A0A8D1E7W3) Spectrin alpha, erythrocytic 1 × 1 (A0A5G2R924) Actin, cytoplasmic 1 × 12 (Q6QAQ1) Tropomyosin-1.9 × 1 Tropomyosin 3 × 3 (Q6QA25) Tropomodulin-1 × 1 (A0A287BCZ0) SH3 domain-binding glutamic acid-rich-like protein × 1 (A0A4X1V2Q0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A480J001_PIG
Isoform
PDB entities 6
Chains and sequence ranges Author chain M; PDBConstruct 1–2148; UniProt 1–2148 Author chain N; PDBConstruct 1–2148; UniProt 1–2148 Author chain O; PDBConstruct 1–2148; UniProt 1–2148 Author chain P; PDBConstruct 1–2148; UniProt 1–2148 Author chain Q; PDBConstruct 1–2148; UniProt 1–2148 Author chain R; PDBConstruct 1–2148; UniProt 1–2148 Author chain S; PDBConstruct 1–2148; UniProt 1–2148 Author chain T; PDBConstruct 1–2148; UniProt 1–2148

Tropomyosin 3

OrganismNot specified

UniProt Q6QA25

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain V; UniProt 1–248 Chain W; UniProt 1–248 Chain X; UniProt 1–248 Not recorded Adducin 1 × 3 (A0A8D1Q0D0) Beta-adducin × 3 (A0A480JMR2) Dematin actin binding protein × 3 (A0A8D1E7W3) Spectrin alpha, erythrocytic 1 × 1 (A0A5G2R924) Actin, cytoplasmic 1 × 12 (Q6QAQ1) Spectrin beta chain × 8 (A0A480J001) Tropomyosin-1.9 × 1 Tropomodulin-1 × 1 (A0A287BCZ0) SH3 domain-binding glutamic acid-rich-like protein × 1 (A0A4X1V2Q0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q6QA25_PIG
Isoform
PDB entities 8
Chains and sequence ranges Author chain V; PDBConstruct 1–248; UniProt 1–248 Author chain W; PDBConstruct 1–248; UniProt 1–248 Author chain X; PDBConstruct 1–248; UniProt 1–248

Tropomodulin-1

OrganismNot specified

UniProt A0A287BCZ0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain Y; UniProt 1–359 Not recorded Adducin 1 × 3 (A0A8D1Q0D0) Beta-adducin × 3 (A0A480JMR2) Dematin actin binding protein × 3 (A0A8D1E7W3) Spectrin alpha, erythrocytic 1 × 1 (A0A5G2R924) Actin, cytoplasmic 1 × 12 (Q6QAQ1) Spectrin beta chain × 8 (A0A480J001) Tropomyosin-1.9 × 1 Tropomyosin 3 × 3 (Q6QA25) SH3 domain-binding glutamic acid-rich-like protein × 1 (A0A4X1V2Q0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A287BCZ0_PIG
Isoform
PDB entities 9
Chains and sequence ranges Author chain Y; PDBConstruct 1–359; UniProt 1–359

SH3 domain-binding glutamic acid-rich-like protein

OrganismNot specified

UniProt A0A4X1V2Q0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 36 PDB declaration: 36-meric(36) Consistent with protein copy count Chain Z; UniProt 1–107 Not recorded Adducin 1 × 3 (A0A8D1Q0D0) Beta-adducin × 3 (A0A480JMR2) Dematin actin binding protein × 3 (A0A8D1E7W3) Spectrin alpha, erythrocytic 1 × 1 (A0A5G2R924) Actin, cytoplasmic 1 × 12 (Q6QAQ1) Spectrin beta chain × 8 (A0A480J001) Tropomyosin-1.9 × 1 Tropomyosin 3 × 3 (Q6QA25) Tropomodulin-1 × 1 (A0A287BCZ0) ADP ADENOSINE-5'-DIPHOSPHATE × 12 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A4X1V2Q0_PIG
Isoform
PDB entities 10
Chains and sequence ranges Author chain Z; PDBConstruct 1–107; UniProt 1–107

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.

SAXS scattering curve SAXS Profile

SAXS profile for 8iah

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8iah
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8iah
Deposition date deposition_date2023-02-08
Structure title titleStructure of mammalian spectrin-actin junctional complex of membrane skeleton, State I, Global map
Keywords keywordsMacrocomplex, membrane skeleton, spectrin-actin junction, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier
Radius of gyration Rg (electron density) rg_electron119.30
Forward intensity I(0) i015839100000.00
Molecular weight molecular_weight1059200.0 kDa
Excluded volume excluded_volume1321300 ų
Envelope volume envelope_volume2276900 ų
Hydration-shell volume shell_volume185600 ų
Envelope diameter envelope_diameter425.4
Shell Rg shell_rg75.91
Envelope Rg envelope_rg118.40
Shape Rg shape_rg119.40
Total Rg total_rg118.90
Total atoms total_atoms74320
Residues n_residues9387
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax329.8
Rg (real space) rg_real108.30
Rg uncertainty (real space) rg_real_error2.44
I(0) (real space) i0_real1.5200e+10
I(0) uncertainty (real space) i0_real_error3.8570e+08
Rg (reciprocal space) rg_reciprocal96.30
I(0) (reciprocal space) i0_reciprocal14880000000.0000
Solution quality estimate total_estimate0.8649
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary76.1
Skewness Skewness skewness0.483
Kurtosis Kurtosis kurtosis-0.737
Angular range angular_range— – 0.0650 −1
Current regularization parameter α current_alpha0.6453
Highest regularization parameter α highest_alpha307800000.0000
Real-space data points n_real_points14
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.006; Oscil: 0.793; Stabil: 0.972; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.013

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (11)

7. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id8iahA01
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_id8iahB01
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_id8iahC01
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_id8iahD01
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_id8iahE01
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_id8iahF01
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_id8iahH01
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_id8iahI01
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_id8iahJ01
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_id8iahK01
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_id8iahL01
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_id8iahY01
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily10 — Ribonuclease Inhibitor

8. Citations (1)

9. Files and Curves (10)