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2kqs

Phosphorylation of SUMO-interacting motif by CK2 enhances Daxx SUMO binding activity

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

Small ubiquitin-related modifier 1

Homo sapiens

UniProt P63165

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Death domain-associated protein 6 × 1 （Q9UER7） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1a5r 2mw5 2n1v 5b7a 5elj 5ghd 6j4i

7 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1tgz 1tgz 1wyw 1y8r 1y8r 1z5s 2asq 2bf8 2g4d 2g4d 2io2 2iy0

87 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name SUMO1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 3–99； UniProt 1–97

Death domain-associated protein 6

OrganismNot specified

UniProt Q9UER7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Small ubiquitin-related modifier 1 × 1 （P63165） Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2kqs 4h9n 4h9o 4h9p 4h9p 4h9q 4h9q 4h9r 4h9r 4h9s 4h9s 4h9s

19 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name DAXX_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 3–22； UniProt 721–740

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_id2kqs
Deposition date deposition_date2009-11-17
Structure title titlePhosphorylation of SUMO-interacting motif by CK2 enhances Daxx SUMO binding activity
Keywords keywordsSUMO, SIM, Daxx, Nucleus, Phosphoprotein, Ubl conjugation pathway, Apoptosis, Transcription, Transcription regulation; TRANSCRIPTION, APOPTOSIS
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.

2kqs__assembly_1__model_4

Assembly 1 · Model 4 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2kqs__assembly_1__model_4 | I(q)

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

2kqs__assembly_1__model_4 | 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）17.03 Å
Rg (electron density)15.81 Å
Total Rg17.03 Å
Atom count1838
Residues117
Excluded volume16391 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2kqs__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2kqs__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2kqs__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2kqs__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2kqs__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2kqs__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2kqs__assembly_1__model_7 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2kqs__assembly_1__model_8 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2kqs__assembly_1__model_9 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2kqs__assembly_1__model_10 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2kqs__assembly_1__model_11 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2kqs__assembly_1__model_12 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2kqs__assembly_1__model_13 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2kqs__assembly_1__model_14 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2kqs__assembly_1__model_15 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2kqs__assembly_1__model_16 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2kqs__assembly_1__model_17 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2kqs__assembly_1__model_18 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2kqs__assembly_1__model_19 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2kqs__assembly_1__model_20 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 (2)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2kqsA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
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7. Citations (1)