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3v1z

Crystal structure of Type IIF restriction endonuclease Bse634I with cognate DNA

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

Endonuclease Bse634IR

Geobacillus stearothermophilus

UniProt Q8RT53

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(*TP*CP*GP*CP*GP*CP*CP*GP*GP*CP*GP*CP*G)-3') ; × 2 water × 4 Consistent with all polymers
2 Protein–DNA Homooligomer Protein 2 DNA 2 ;DNA (5'-D(*TP*CP*GP*CP*GP*CP*CP*GP*GP*CP*GP*CP*G)-3') ; × 2 water × 4 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
1knv

1 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
3v1z 3v1z 3v20 3v20 3v21 3v21

6 assemblies

View Construct and Data Evidence
UniProt name Q8RT53_GEOSE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–293； UniProt 1–293 Author chain B； 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_id3v1z
Deposition date deposition_date2011-12-11
Structure title titleCrystal structure of Type IIF restriction endonuclease Bse634I with cognate DNA
Keywords keywordsRESTRICTION ENDONUCLEASE, protein-DNA complex, HYDROLASE, Hydrolase-DNA complex; Hydrolase/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.

3v1z__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3v1z__assembly_2__model_1 | I(q)

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

3v1z__assembly_2__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）25.99 Å
Rg (electron density)25.42 Å
Total Rg26.23 Å
Atom count5214
Residues604
Excluded volume91675 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3v1z__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3v1z__assembly_2__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 (3)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3v1za_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.52 — Restriction endonuclease-like
Superfamily Superfamily superfamilyc.52.1 — Restriction endonuclease-like
Family Family familyc.52.1.7 — Cfr10I/Bse634I
Domain ID domain_idd3v1zb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.52 — Restriction endonuclease-like
Superfamily Superfamily superfamilyc.52.1 — Restriction endonuclease-like
Family Family familyc.52.1.7 — Cfr10I/Bse634I

CATH v4.4 (2 domains)

Domain ID domain_id3v1zA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology91 — Restriction Endonuclease
Homologous superfamily homologous superfamily10 —
Domain ID domain_id3v1zB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology91 — Restriction Endonuclease
Homologous superfamily homologous superfamily10 —
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7. Citations (1)