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9z44

Isoreticular co-crystal 1 with symmetrical expanded duplex (31mer) containing insert sequence CCCGGCCGGA and loaded with C-clamp domain

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

Replication initiation protein

Escherichia coli

UniProt P03856

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 2 DNA 2 DNA (31-MER) × 1 DNA (31-MER) × 1 SLC2A4 regulator × 1 （Q9NR83） Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1rep 2z9o 7rva 7u6k 7u7o 7ufx 7uog 7ur0 7uv6 7uv7 7uxy 8aan

59 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name REPE1_ECOLI
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 13–263； UniProt 1–251

SLC2A4 regulator

OrganismNot specified

UniProt Q9NR83

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 2 DNA 2 DNA (31-MER) × 1 DNA (31-MER) × 1 Replication initiation protein × 1 （P03856） Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
7dta 9z44

2 assemblies

View Construct and Data Evidence
UniProt name S2A4R_HUMAN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain D； PDBConstruct 1–33； UniProt 355–387

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_id9z44
Deposition date deposition_date2025-11-08
Last revision last_revision2026-02-25
Structure title titleIsoreticular co-crystal 1 with symmetrical expanded duplex (31mer) containing insert sequence CCCGGCCGGA and loaded with C-clamp domain
Keywords keywordsProtein-DNA complex, DNA Binding protein, Transcription factor, DNA BINDING PROTEIN-DNA complex; DNA BINDING PROTEIN/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.

9z44__assembly_1__model_1

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

Download this curve (.dat)

9z44__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.

9z44__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）28.23 Å
Rg (electron density)27.34 Å
Total Rg27.95 Å
Atom count2821
Residues299
Excluded volume44899 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9z44__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)