← Back to search
1y7y

High-resolution crystal structure of the restriction-modification controller protein C.AhdI from Aeromonas hydrophila

Method: X-RAY DIFFRACTION
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

C.AhdI

Aeromonas hydrophila

UniProt Q7X0F0

State in the Current Structure

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

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1y7y

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q7X0F0_AERHY
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–74； UniProt 1–74 Author chain B； PDBConstruct 1–74； UniProt 1–74

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id1y7y
Deposition date deposition_date2004-12-10
Structure title titleHigh-resolution crystal structure of the restriction-modification controller protein C.AhdI from Aeromonas hydrophila
Keywords keywordsHELIX-TURN-HELIX, DNA-BINDING PROTEIN, TRANSCRIPTIONAL REGULATOR, Transcription regulator; Transcription regulator
Experimental Method methodX-RAY DIFFRACTION
▼

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.

1y7y__assembly_1__model_1

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

Download this curve (.dat)

1y7y__assembly_1__model_1 | I(q)

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

1y7y__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）16.55 Å
Rg (electron density)15.10 Å
Total Rg16.21 Å
Atom count1070
Residues135
Excluded volume19114 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1y7y__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1y7ya1
Class classa — All alpha proteins
Fold Fold folda.35 — lambda repressor-like DNA-binding domains
Superfamily Superfamily superfamilya.35.1 — lambda repressor-like DNA-binding domains
Family Family familya.35.1.3 — SinR domain-like
Domain ID domain_idd1y7yb_
Class classa — All alpha proteins
Fold Fold folda.35 — lambda repressor-like DNA-binding domains
Superfamily Superfamily superfamilya.35.1 — lambda repressor-like DNA-binding domains
Family Family familya.35.1.3 — SinR domain-like

CATH v4.4 (2 domains)

Domain ID domain_id1y7yA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology260 — 434 Repressor (Amino-terminal Domain)
Homologous superfamily homologous superfamily40 — lambda repressor-like DNA-binding domains
Domain ID domain_id1y7yB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology260 — 434 Repressor (Amino-terminal Domain)
Homologous superfamily homologous superfamily40 — lambda repressor-like DNA-binding domains
▶

7. Citations (2)