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3gfi

Crystal structure of ST1710 complexed with its promoter DNA

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

146aa long hypothetical transcriptional regulator

Sulfolobus tokodaii

UniProt Q96ZY1

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Homooligomer Protein 2 DNA 2 5'-D(*TP*AP*AP*CP*AP*AP*TP*AP*GP*CP*AP*AP*A)-3' × 1 5'-D(*TP*TP*GP*CP*TP*AP*TP*TP*GP*T)-3' × 1 water × 4 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
2yr2

1 assemblies

Homodimer
2eb7 2gxg 2yr2 2yr2 2yr2 3gez 3gf2 3gfj 3gfl 3gfm

10 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3gfi

1 assemblies

View Construct and Data Evidence
UniProt name Q96ZY1_SULTO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–146； UniProt 1–146 Author chain C； PDBConstruct 1–146； UniProt 1–146

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_id3gfi
Deposition date deposition_date2009-02-26
Structure title titleCrystal structure of ST1710 complexed with its promoter DNA
Keywords keywords;Transcription regulator, ST1710, MarR, DNA-binding, Transcription, Transcription regulation, TRANSCRIPTION-DNA COMPLEX, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI ;; TRANSCRIPTION/DNA
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.

3gfi__assembly_1__model_1

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

Download this curve (.dat)

3gfi__assembly_1__model_1 | I(q)

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

3gfi__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）25.75 Å
Rg (electron density)24.05 Å
Total Rg24.94 Å
Atom count2771
Residues308
Excluded volume48386 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3gfi__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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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3gfiA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id3gfiC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
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7. Citations (2)