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2i06

Escherichia Coli Replication Terminator Protein (Tus) Complexed With DNA- Locked form

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

DNA replication terminus site-binding protein

Escherichia coli

UniProt P16525

State in the Current Structure

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

Other States of the Same Protein in the Database

Monomer
1sut

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1ecr 2ewj 2i05 2i06 4xr0 4xr1 4xr2 4xr3

8 assemblies

View Construct and Data Evidence
UniProt name TUS_ECOLI
Isoform —
PDB entities 3
Chains and sequence ranges Author chain A； PDBConstruct 1–309； UniProt 1–309

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_id2i06
Deposition date deposition_date2006-08-10
Structure title titleEscherichia Coli Replication Terminator Protein (Tus) Complexed With DNA- Locked form
Keywords keywordsPROTEIN-DNA COMPLEX, REPLICATION-DNA COMPLEX; REPLICATION/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.

2i06__assembly_1__model_1

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

Download this curve (.dat)

2i06__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.

2i06__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）22.87 Å
Rg (electron density)22.27 Å
Total Rg23.09 Å
Atom count3035
Residues334
Excluded volume52346 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2i06__assembly_1__model_1 trimeric （3） 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) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2i06a_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.2 — Replication terminator protein (Tus)
Superfamily Superfamily superfamilye.2.1 — Replication terminator protein (Tus)
Family Family familye.2.1.1 — Replication terminator protein (Tus)

CATH v4.4 (2 domains)

Domain ID domain_id2i06A01
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology14 — Replication Terminator Protein (Tus); Chain A, domain 1
Homologous superfamily homologous superfamily10 — Replication terminator Tus, domain 1 superfamily/Replication terminator Tus
Domain ID domain_id2i06A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology54 — Replication Terminator Protein; Chain A, domain 2
Homologous superfamily homologous superfamily10 —
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7. Citations (2)