2qk1

Structural Basis of Microtubule Plus End Tracking by XMAP215, CLIP-170 and EB1

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

Protein STU2

Saccharomyces cerevisiae

UniProt P46675

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name STU2_YEAST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–249; UniProt 317–560

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_id2qk1
Deposition date deposition_date2007-07-10
Structure title titleStructural Basis of Microtubule Plus End Tracking by XMAP215, CLIP-170 and EB1
Keywords keywordsstu2, Stu2p, XMAP215, Dis1, TOG, ch-TOG, HEAT repeat, microtubule plus end, +TIP, PROTEIN BINDING; PROTEIN BINDING
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.

2qk1__assembly_1__model_1

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

Download this curve (.dat)

2qk1__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.

2qk1__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)21.56 Å
Rg (electron density)20.60 Å
Total Rg21.62 Å
Atom count1990
Residues240
Excluded volume36084 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2qk1__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 (2)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2qk1A01
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology10 — Leucine-rich Repeat Variant
Homologous superfamily homologous superfamily10 — Leucine-rich Repeat Variant
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7. Citations (1)