8b11

cryo-EM structure of carboxysomal mini-shell: icosahedral assembly from CsoS4A/1A and CsoS2 co-expression (T = 4)

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

Carboxysome shell vertex protein CsoS4A

Halothiobacillus neapolitanus

UniProt O85043

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 240 Major carboxysome shell protein CsoS1A × 180 (P45689) water × 240 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CSS4A_HALNC
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–83; UniProt 1–83

Major carboxysome shell protein CsoS1A

Halothiobacillus neapolitanus

UniProt P45689

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 240 Carboxysome shell vertex protein CsoS4A × 60 (O85043) water × 240 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CSOSA_HALNC
Isoform —
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–98; UniProt 1–98 Author chain D; PDBConstruct 1–98; UniProt 1–98 Author chain E; PDBConstruct 1–98; UniProt 1–98

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_id8b11
Deposition date deposition_date2022-09-08
Structure title titlecryo-EM structure of carboxysomal mini-shell: icosahedral assembly from CsoS4A/1A and CsoS2 co-expression (T = 4)
Keywords keywordscarboxysome, shell, icosahedral symmetry, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

8b11__assembly_1__model_1

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

Download this curve (.dat)

8b11__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 1010 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8b11__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)106.60 Å
Total Rg106.70 Å
Atom count154740
Residues21600
Excluded volume2764100 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8b11__assembly_1__model_1 240-meric (240) 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 (3)

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7. Citations (1)