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3gq0

The structure of the Caulobacter crescentus clpS protease adaptor protein - apo structure with no peptide

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

ATP-dependent Clp protease adapter protein clpS

Caulobacter vibrioides

UniProt Q9A5I0

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3g3p 3gq0 3gq0

3 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3dnj 3dnj 3g19 3g1b 3g1b 3g1b 3g3p 3g3p 3gq1 3gq1

10 assemblies

View Construct and Data Evidence
UniProt name CLPS_CAUCR
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–85； UniProt 35–119 Author chain B； PDBConstruct 1–85； UniProt 35–119

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_id3gq0
Deposition date deposition_date2009-03-23
Structure title titleThe structure of the Caulobacter crescentus clpS protease adaptor protein - apo structure with no peptide
Keywords keywordsadaptor, protein-peptide complex, peptide-binding protein, PEPTIDE BINDING PROTEIN; PEPTIDE BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION
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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.

3gq0__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3gq0__assembly_2__model_1 | I(q)

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

3gq0__assembly_2__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）13.74 Å
Rg (electron density)12.43 Å
Total Rg13.67 Å
Atom count682
Residues84
Excluded volume12078 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3gq0__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3gq0__assembly_2__model_1 monomeric （1） 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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3gq0a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.45 — ClpS-like
Superfamily Superfamily superfamilyd.45.1 — ClpS-like
Family Family familyd.45.1.2 — Adaptor protein ClpS (YljA)
Domain ID domain_idd3gq0b_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.45 — ClpS-like
Superfamily Superfamily superfamilyd.45.1 — ClpS-like
Family Family familyd.45.1.2 — Adaptor protein ClpS (YljA)

CATH v4.4 (2 domains)

Domain ID domain_id3gq0A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS
Domain ID domain_id3gq0B00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS
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7. Citations (1)