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1qx0

CONJUGATIVE RELAXASE TRWC IN COMPLEX WITH ORIT DNA. METAL-BOUND STRUCTURE

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

trwC protein

Escherichia coli

UniProt Q47673

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Monomer Protein 1 DNA 1 DNA OLIGONUCLEOTIDE × 1 SULFATE ION × 1 ZINC ION × 1 water × 2 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
1omh 1osb 1osb 1qx0 1s6m 1zm5 2cdm 2cdm 4pcb 4pcb

10 assemblies

View Construct and Data Evidence
UniProt name Q47673_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain A； PDBConstruct 1–293； UniProt 1–293

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_id1qx0
Deposition date deposition_date2003-09-04
Structure title titleCONJUGATIVE RELAXASE TRWC IN COMPLEX WITH ORIT DNA. METAL-BOUND STRUCTURE
Keywords keywordsPROTEIN-DNA COMPLEX, BACTERIAL CONJUGATION, RELAXASE, DNA REPLICATION, TRANSFERASE-DNA COMPLEX; TRANSFERASE/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.

1qx0__assembly_1__model_1

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

Download this curve (.dat)

1qx0__assembly_1__model_1 | I(q)

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

1qx0__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）22.50 Å
Rg (electron density)21.52 Å
Total Rg22.17 Å
Atom count2806
Residues310
Excluded volume47686 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1qx0__assembly_1__model_1 dimeric （2） 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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6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1qx0a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.89 — Origin of replication-binding domain, RBD-like
Superfamily Superfamily superfamilyd.89.1 — Origin of replication-binding domain, RBD-like
Family Family familyd.89.1.5 — Relaxase domain
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7. Citations (1)