3w3u

Crystal structure of Kap121p mutant R349A/Q350A/D353A/E396A/N430K/D438A/N477A

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

Importin subunit beta-3

Saccharomyces cerevisiae

UniProt P32337

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name IMB3_YEAST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1078; UniProt 1–1089

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_id3w3u
Deposition date deposition_date2012-12-28
Structure title titleCrystal structure of Kap121p mutant R349A/Q350A/D353A/E396A/N430K/D438A/N477A
Keywords keywordsHEAT repeat, nuclear import, PROTEIN TRANSPORT; PROTEIN TRANSPORT
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.

3w3u__assembly_1__model_1

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

Download this curve (.dat)

3w3u__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3w3u__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)36.66 Å
Rg (electron density)36.04 Å
Total Rg36.47 Å
Atom count7849
Residues1030
Excluded volume141190 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3w3u__assembly_1__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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3w3uA01
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology10 — Leucine-rich Repeat Variant
Homologous superfamily homologous superfamily10 — Leucine-rich Repeat Variant
Domain ID domain_id3w3uA02
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology140 — Helix Hairpins
Homologous superfamily homologous superfamily1700 —
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7. Citations (1)