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9hky

Cryo-EM structure of Pseudomonas aeruginosa tetrameric S-adenosyl-L-homocysteine hydrolase with 2 open and 2 closed subunits

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

Adenosylhomocysteinase

Pseudomonas aeruginosa PAO1

UniProt Q9I685

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 ADENOSINE × 2 POTASSIUM ION × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
6f3m 6f3n 6f3o 6f3p 6f3q 7zd0 7zd1 7zd2 7zd3 7zd4 8ajs 8ajt

55 assemblies; showing the first 12

Other homooligomers
8cfy

1 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name SAHH_PSEAE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 4–472； UniProt 1–469 Author chain B； PDBConstruct 4–472； UniProt 1–469 Author chain C； PDBConstruct 4–472； UniProt 1–469 Author chain D； PDBConstruct 4–472； UniProt 1–469

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_id9hky
Deposition date deposition_date2024-12-04
Last revision last_revision2025-02-19
Structure title titleCryo-EM structure of Pseudomonas aeruginosa tetrameric S-adenosyl-L-homocysteine hydrolase with 2 open and 2 closed subunits
Keywords keywordsSAM-DEPENDENT METHYLATION, PROTEIN DYNAMICS, CRYOEM, HYDROLASE; HYDROLASE
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.

9hky__assembly_1__model_1

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

Download this curve (.dat)

9hky__assembly_1__model_1 | I(q)

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

9hky__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）37.79 Å
Rg (electron density)37.33 Å
Total Rg37.69 Å
Atom count14148
Residues1809
Excluded volume251660 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9hky__assembly_1__model_1 tetrameric （4） 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 (4)

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7. Citations (2)