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1xso

THREE-DIMENSIONAL STRUCTURE OF XENOPUS LAEVIS CU,ZN SUPEROXIDE DISMUTASE B DETERMINED BY X-RAY CRYSTALLOGRAPHY AT 1.5 ANGSTROMS RESOLUTION

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

COPPER,ZINC SUPEROXIDE DISMUTASE

Xenopus laevis

UniProt P15107

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 COPPER (II) ION × 2 ZINC ION × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1xso

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name SODC2_XENLA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–150； UniProt 1–150 Author chain B； PDBConstruct 1–150； UniProt 1–150

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_id1xso
Deposition date deposition_date1995-03-14
Structure title titleTHREE-DIMENSIONAL STRUCTURE OF XENOPUS LAEVIS CU,ZN SUPEROXIDE DISMUTASE B DETERMINED BY X-RAY CRYSTALLOGRAPHY AT 1.5 ANGSTROMS RESOLUTION
Keywords keywordsOXIDOREDUCTASE (SUPEROXIDE ACCEPTOR); OXIDOREDUCTASE (SUPEROXIDE ACCEPTOR)
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.

1xso__assembly_1__model_1

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

Download this curve (.dat)

1xso__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.

1xso__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）20.89 Å
Rg (electron density)19.85 Å
Total Rg20.61 Å
Atom count2152
Residues300
Excluded volume37465 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1xso__assembly_1__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 (4)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1xsoa_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.8 — Cu,Zn superoxide dismutase-like
Family Family familyb.1.8.1 — Cu,Zn superoxide dismutase-like
Domain ID domain_idd1xsob_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.8 — Cu,Zn superoxide dismutase-like
Family Family familyb.1.8.1 — Cu,Zn superoxide dismutase-like

CATH v4.4 (2 domains)

Domain ID domain_id1xsoA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily200 — Superoxide dismutase, copper/zinc binding domain
Domain ID domain_id1xsoB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily200 — Superoxide dismutase, copper/zinc binding domain
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7. Citations (6)