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8zde

Crystal structure of HsmR with DNA bound

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

MarR-family transcriptional regulator

Clostridioides difficile

UniProt A0A9R0BIW1

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 ;DNA (5'-D(*AP*TP*TP*AP*GP*TP*TP*TP*GP*TP*AP*TP*GP*CP*AP*AP*AP*CP*CP*AP*TP*T)-3') ; × 1 ;DNA (5'-D(*AP*AP*TP*GP*GP*TP*TP*TP*GP*CP*AP*TP*AP*CP*AP*AP*AP*CP*TP*AP*AP*T)-3') ; × 1 POTASSIUM ION × 1 water × 4 Consistent with all polymers
2 Protein–DNA Homooligomer Protein 2 DNA 2 ;DNA (5'-D(*AP*TP*TP*AP*GP*TP*TP*TP*GP*TP*AP*TP*GP*CP*AP*AP*AP*CP*CP*AP*TP*T)-3') ; × 1 ;DNA (5'-D(*AP*AP*TP*GP*GP*TP*TP*TP*GP*CP*AP*TP*AP*CP*AP*AP*AP*CP*TP*AP*AP*T)-3') ; × 1 POTASSIUM ION × 1 water × 4 Consistent with all polymers
3 Protein–DNA Homooligomer Protein 2 DNA 2 ;DNA (5'-D(*AP*TP*TP*AP*GP*TP*TP*TP*GP*TP*AP*TP*GP*CP*AP*AP*AP*CP*CP*AP*TP*T)-3') ; × 1 ;DNA (5'-D(*AP*AP*TP*GP*GP*TP*TP*TP*GP*CP*AP*TP*AP*CP*AP*AP*AP*CP*TP*AP*AP*T)-3') ; × 1 water × 1 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer
8za5

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
8zde 8zde 8zde 9vg2

4 assemblies

View Construct and Data Evidence
UniProt name A0A9R0BIW1_CLODR
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 21–167； UniProt 1–147 Author chain B； PDBConstruct 21–167； UniProt 1–147 Author chain C； PDBConstruct 21–167； UniProt 1–147 Author chain D； PDBConstruct 21–167； UniProt 1–147 Author chain E； PDBConstruct 21–167； UniProt 1–147 Author chain F； PDBConstruct 21–167； UniProt 1–147

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_id8zde
Deposition date deposition_date2024-05-02
Structure title titleCrystal structure of HsmR with DNA bound
Keywords keywordsMarR, TRANSCRIPTION; TRANSCRIPTION
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.

8zde__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8zde__assembly_3__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8zde__assembly_3__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）23.31 Å
Rg (electron density)22.18 Å
Total Rg22.95 Å
Atom count3117
Residues317
Excluded volume53186 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8zde__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 8zde__assembly_2__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 8zde__assembly_3__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 (5)

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7. Citations (1)