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8yt4

Structure of Aquifex aeolicus Lumazine Synthase by Cryo-Electron Microscopy to 1.42 Angstrom Resolution

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

6,7-dimethyl-8-ribityllumazine synthase

Aquifex aeolicus

UniProt O66529

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 60 PHOSPHATE ION × 60 water × 60 Consistent with protein count
2 Protein monomer Monomer Protein 1 PHOSPHATE ION × 1 water × 1 Consistent with protein count
3 Protein homooligomer Homooligomer Protein 5 PHOSPHATE ION × 5 water × 5 Consistent with protein count
4 Protein homooligomer Homooligomer Protein 6 PHOSPHATE ION × 6 water × 6 Consistent with protein count
5 Protein monomer Monomer Protein 1 PHOSPHATE ION × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
8yt4 8yt4

2 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers
1hqk 1nqu 1nqv 1nqw 1nqx 28ro 5mpp 5mq3 5mq7 7x7m 8f25 8pvj

31 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
7a4f 7a4g 7a4h 7a4i 7a4j 9ryj 9ryk 9rym

8 assemblies

View Construct and Data Evidence
UniProt name RISB_AQUAE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–154； UniProt 1–154

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_id8yt4
Deposition date deposition_date2024-03-24
Structure title titleStructure of Aquifex aeolicus Lumazine Synthase by Cryo-Electron Microscopy to 1.42 Angstrom Resolution
Keywords keywordsEnzyme involved in riboflavin biosynthesis, BIOSYNTHETIC PROTEIN; BIOSYNTHETIC 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.

8yt4__assembly_1__model_1

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

Download this curve (.dat)

8yt4__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.

8yt4__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）64.27 Å
Rg (electron density)63.24 Å
Total Rg63.52 Å
Atom count103140
Residues9180
Excluded volume1253400 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8yt4__assembly_1__model_1 60-meric （60） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 8yt4__assembly_2__model_1 monomeric （1） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 8yt4__assembly_3__model_1 pentameric （5） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4 1 8yt4__assembly_4__model_1 hexameric （6） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5 1 8yt4__assembly_5__model_1 monomeric （1） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
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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)