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2kdd

Solution structure of the conserved C-terminal dimerization domain of Borealin

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Borealin

Homo sapiens

UniProt Q53HL2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
2kdd

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2qfa 2raw 2rax 2rax 2rax 6yie 6yie 6yif 6yih 7u5v 8rup 8ruq

17 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name BOREA_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 3–76； UniProt 207–280 Author chain B； PDBConstruct 3–76； UniProt 207–280

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_id2kdd
Deposition date deposition_date2009-01-06
Structure title titleSolution structure of the conserved C-terminal dimerization domain of Borealin
Keywords keywords;protein dimer, Cell cycle, Cell division, Centromere, Chromosomal protein, Cytoplasm, Mitosis, Nucleus, Phosphoprotein, Polymorphism ;; CELL CYCLE
Experimental Method methodSOLUTION NMR
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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.

2kdd__assembly_1__model_1

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

Download this curve (.dat)

2kdd__assembly_1__model_1 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2kdd__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）15.94 Å
Rg (electron density)14.35 Å
Total Rg15.58 Å
Atom count1798
Residues114
Excluded volume15630 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2kdd__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2kdd__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2kdd__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2kdd__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2kdd__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2kdd__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2kdd__assembly_1__model_7 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2kdd__assembly_1__model_8 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2kdd__assembly_1__model_9 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2kdd__assembly_1__model_10 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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2kddA00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology140 — Helix Hairpins
Homologous superfamily homologous superfamily560 —
Domain ID domain_id2kddB00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology140 — Helix Hairpins
Homologous superfamily homologous superfamily560 —
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7. Citations (1)