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3g0r

Complex of Mth0212 and an 8bp dsDNA with distorted ends

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

Exodeoxyribonuclease

Methanothermobacter thermautotrophicus

UniProt O26314

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 5'-D(*GP*CP*TP*GP*CP*GP*CP*AP*GP*GP*GP*CP*G)-3' × 1 5'-D(*CP*CP*CP*TP*GP*UP*GP*CP*AP*GP*C)-3' × 1 GLYCEROL × 12 TETRAETHYLENE GLYCOL × 3 SODIUM ION × 2 water × 4 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
3fzi 3g0a 3g1k 3g1k 3g8v 3g91 3w2x 3w2y 3w2y

9 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3g00 3g0r 3g2c 3g2d 3g2d 3g38 3g3c 3g3y 3g4t 3ga6 3ga6

11 assemblies

View Construct and Data Evidence
UniProt name O26314_METTH
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–257； UniProt 1–257 Author chain B； PDBConstruct 1–257； UniProt 1–257

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_id3g0r
Deposition date deposition_date2009-01-28
Structure title titleComplex of Mth0212 and an 8bp dsDNA with distorted ends
Keywords keywords;protein-DNA complex, double-strand specific 3'-5' exonuclease, AP endonuclease, 2'-deoxyuridine endonuclease, 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.

3g0r__assembly_1__model_1

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

Download this curve (.dat)

3g0r__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.

3g0r__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）28.92 Å
Rg (electron density)29.34 Å
Total Rg29.81 Å
Atom count4788
Residues530
Excluded volume83792 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3g0r__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 (7)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3g0ra_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.151 — DNase I-like
Superfamily Superfamily superfamilyd.151.1 — DNase I-like
Family Family familyd.151.1.0 — automated matches
Domain ID domain_idd3g0rb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.151 — DNase I-like
Superfamily Superfamily superfamilyd.151.1 — DNase I-like
Family Family familyd.151.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id3g0rA00
Class class3 — Alpha Beta
Architecture architecture60 — 4-Layer Sandwich
Topology topology10 — Deoxyribonuclease I; Chain A
Homologous superfamily homologous superfamily10 — Endonuclease/exonuclease/phosphatase
Domain ID domain_id3g0rB00
Class class3 — Alpha Beta
Architecture architecture60 — 4-Layer Sandwich
Topology topology10 — Deoxyribonuclease I; Chain A
Homologous superfamily homologous superfamily10 — Endonuclease/exonuclease/phosphatase
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7. Citations (2)