1pvs

3-methyladenine Glcosylase II(AlkA) Hypoxanthine complex

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

DNA-3-methyladenine glycosylase II

Escherichia coli

UniProt P04395

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 7-HYDROXY-PYRAZOLO[4,3-D]PYRIMIDINE × 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 7-HYDROXY-PYRAZOLO[4,3-D]PYRIMIDINE × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name 3MG2_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–282; UniProt 1–282 Author chain B; PDBConstruct 1–282; UniProt 1–282

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_id1pvs
Deposition date deposition_date2003-06-28
Structure title title3-methyladenine Glcosylase II(AlkA) Hypoxanthine complex
Keywords keywordsAlkA, hypoxanthine, DNA glycosylase, DNA repair, reaction-product complex, HYDROLASE; HYDROLASE
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.

1pvs__assembly_1__model_1

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

Download this curve (.dat)

1pvs__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.

1pvs__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)19.92 Å
Rg (electron density)18.76 Å
Total Rg19.69 Å
Atom count2225
Residues282
Excluded volume39748 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1pvs__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1pvs__assembly_2__model_1 monomeric (1) 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) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1pvsa1
Class classa — All alpha proteins
Fold Fold folda.96 — DNA-glycosylase
Superfamily Superfamily superfamilya.96.1 — DNA-glycosylase
Family Family familya.96.1.3 — DNA repair glycosylase, 2 C-terminal domains
Domain ID domain_idd1pvsa2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.129 — TBP-like
Superfamily Superfamily superfamilyd.129.1 — TATA-box binding protein-like
Family Family familyd.129.1.2 — DNA repair glycosylase, N-terminal domain
Domain ID domain_idd1pvsb1
Class classa — All alpha proteins
Fold Fold folda.96 — DNA-glycosylase
Superfamily Superfamily superfamilya.96.1 — DNA-glycosylase
Family Family familya.96.1.3 — DNA repair glycosylase, 2 C-terminal domains
Domain ID domain_idd1pvsb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.129 — TBP-like
Superfamily Superfamily superfamilyd.129.1 — TATA-box binding protein-like
Family Family familyd.129.1.2 — DNA repair glycosylase, N-terminal domain

CATH v4.4 (6 domains)

Domain ID domain_id1pvsA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology310 — TATA-Binding Protein
Homologous superfamily homologous superfamily20 — DNA-3-methyladenine glycosylase AlkA, N-terminal domain
Domain ID domain_id1pvsA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology340 — Endonuclease III; domain 1
Homologous superfamily homologous superfamily30 — Hypothetical protein; domain 2
Domain ID domain_id1pvsA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1670 — Endonuclease Iii, domain 2
Homologous superfamily homologous superfamily10 — Helix-hairpin-Helix base-excision DNA repair enzymes (C-terminal)
Domain ID domain_id1pvsB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology310 — TATA-Binding Protein
Homologous superfamily homologous superfamily20 — DNA-3-methyladenine glycosylase AlkA, N-terminal domain
Domain ID domain_id1pvsB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology340 — Endonuclease III; domain 1
Homologous superfamily homologous superfamily30 — Hypothetical protein; domain 2
Domain ID domain_id1pvsB03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1670 — Endonuclease Iii, domain 2
Homologous superfamily homologous superfamily10 — Helix-hairpin-Helix base-excision DNA repair enzymes (C-terminal)
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7. Citations (1)