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3gp1

MutM encountering an intrahelical 8-oxoguanine (oxoG) lesion in EC3-V222P complex

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

DNA glycosylase

Geobacillus stearothermophilus

UniProt P84131

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(*AP*GP*GP*TP*AP*GP*AP*TP*CP*CP*GP*GP*AP*CP*GP*CP**C)-3' × 1 5'-D(P*TP*GP*CP*GP*TP*CP*CP*(8OG)P*GP*AP*TP*CP*TP*AP*CP*C)-3' × 1 ZINC ION × 1 water × 1 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
1r2y 1r2z 2f5n 2f5o 2f5p 2f5q 2f5s 3go8 3gp1 3gpp 3gpu 3gpx

38 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name P84131_BACST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–273； UniProt 2–274

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_id3gp1
Deposition date deposition_date2009-03-20
Structure title titleMutM encountering an intrahelical 8-oxoguanine (oxoG) lesion in EC3-V222P complex
Keywords keywords;DNA glycosylase, DNA repair, damage search, base extrusion, disulfide crosslinking, DNA damage, DNA-binding, Glycosidase, Hydrolase, Lyase, Metal-binding, Multifunctional enzyme, Zinc-finger, 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.

3gp1__assembly_1__model_1

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

Download this curve (.dat)

3gp1__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.

3gp1__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）21.29 Å
Rg (electron density)20.47 Å
Total Rg21.31 Å
Atom count2504
Residues277
Excluded volume42951 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3gp1__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) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3gp1A01
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology190 — N-terminal domain of MutM-like DNA repair proteins
Homologous superfamily homologous superfamily10 — MutM-like, N-terminal
Domain ID domain_id3gp1A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily50 —
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7. Citations (1)