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1sjj

Cryo-EM Structure of Chicken Gizzard Smooth Muscle alpha-Actinin

Method: ELECTRON CRYSTALLOGRAPHY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

actinin

OrganismNot specified

UniProt P05094

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1sjj

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name ACTN1_CHICK
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–863； UniProt 26–888 Author chain B； PDBConstruct 1–863； UniProt 26–888

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_id1sjj
Deposition date deposition_date2004-03-03
Structure title titleCryo-EM Structure of Chicken Gizzard Smooth Muscle alpha-Actinin
Keywords keywords3-helix bundle, calponin homology domain, calmodulin-like domain, actin binding protein, CONTRACTILE PROTEIN; CONTRACTILE PROTEIN
Experimental Method methodELECTRON CRYSTALLOGRAPHY
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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.

1sjj__assembly_1__model_1

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

Download this curve (.dat)

1sjj__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1sjj__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）0.00 Å
Rg (electron density)109.40 Å
Total Rg108.70 Å
Atom count14014
Residues1726
Excluded volume247850 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1sjj__assembly_1__model_1 dimeric （2） 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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1sjja_
Class classi — Low resolution protein structures
Fold Fold foldi.15 — Muscle protein complexes
Superfamily Superfamily superfamilyi.15.1 — Muscle protein complexes
Family Family familyi.15.1.1 — Muscle protein complexes
Domain ID domain_idd1sjjb_
Class classi — Low resolution protein structures
Fold Fold foldi.15 — Muscle protein complexes
Superfamily Superfamily superfamilyi.15.1 — Muscle protein complexes
Family Family familyi.15.1.1 — Muscle protein complexes
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7. Citations (4)