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3qrq

Structure of Thermus Thermophilus Cse3 bound to an RNA representing a pre-cleavage complex

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

Putative uncharacterized protein TTHB192

Thermus thermophilus HB8

UniProt Q53WG9

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 ;RNA (5'-R(*GP*UP*CP*CP*CP*CP*AP*CP*GP*CP*GP*UP*GP*UP*GP*GP*GP*GP*A)-3') ; × 1 Consistent with all polymers
2 Protein–DNA Homooligomer Protein 2 DNA 2 ;RNA (5'-R(*GP*UP*CP*CP*CP*CP*AP*CP*GP*CP*GP*UP*GP*UP*GP*GP*GP*GP*A)-3') ; × 2 Consistent with all polymers
3 Protein–DNA Monomer Protein 1 DNA 1 ;RNA (5'-R(*GP*UP*CP*CP*CP*CP*AP*CP*GP*CP*GP*UP*GP*UP*GP*GP*GP*GP*A)-3') ; × 1 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
1wj9

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2y8w 2y8y 2y9h 2y9h 2y9h 2y9h 2y9h 2y9h 2y9h 2y9h 3qrp 3qrq

17 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name Q53WG9_THET8
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 57–267； UniProt 1–211

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_id3qrq
Deposition date deposition_date2011-02-18
Structure title titleStructure of Thermus Thermophilus Cse3 bound to an RNA representing a pre-cleavage complex
Keywords keywordsprotein-RNA complex, RAMP domain, RNA BINDING PROTEIN-RNA complex; RNA BINDING PROTEIN/RNA
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.

3qrq__assembly_1__model_1

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

Download this curve (.dat)

3qrq__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.

3qrq__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）24.50 Å
Rg (electron density)22.66 Å
Total Rg23.45 Å
Atom count2035
Residues223
Excluded volume35013 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3qrq__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3qrq__assembly_2__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 3qrq__assembly_3__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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3qrqA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1200 — Crispr-associated protein; domain 1
Domain ID domain_id3qrqA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1210 — Crispr-associated protein; domain 2
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7. Citations (1)