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2rpq

Solution Structure of a SUMO-interacting motif of MBD1-containing chromatin-associated factor 1 bound to SUMO-3

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

Small ubiquitin-related modifier 2

Homo sapiens

UniProt P61956

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Activating transcription factor 7-interacting protein 1 × 1 （Q6VMQ6） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1wz0 2awt 2n1w 4npn 5ghb 5ghc

6 assemblies

Homodimer
4bkg

1 assemblies

Homotetramer
4npn

1 assemblies

Other homooligomers
1wm2 1wm3

2 assemblies

Heteromeric or nucleic-acid complex
2ckh 2d07 2io0 2io3 2iyd 2n9e 2rpq 3uin 3uio 3zo5 5d2m 5elu

16 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name SUMO2_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–93； UniProt 1–93

Activating transcription factor 7-interacting protein 1

OrganismNot specified

UniProt Q6VMQ6

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 2 × 1 （P61956） 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
2rpq

1 assemblies

View Construct and Data Evidence
UniProt name MCAF1_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 6–49； UniProt 938–981

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_id2rpq
Deposition date deposition_date2008-07-07
Structure title titleSolution Structure of a SUMO-interacting motif of MBD1-containing chromatin-associated factor 1 bound to SUMO-3
Keywords keywords;SUMO, SIM, Nucleus, Ubl conjugation pathway, Activator, Host-virus interaction, Phosphoprotein, Repressor, Transcription, Transcription regulation ;; TRANSCRIPTION
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.

2rpq__assembly_1__model_1

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

Download this curve (.dat)

2rpq__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.

2rpq__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）15.17 Å
Rg (electron density)13.66 Å
Total Rg14.84 Å
Atom count1630
Residues104
Excluded volume14482 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2rpq__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2rpq__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2rpq__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2rpq__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2rpq__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2rpq__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2rpq__assembly_1__model_7 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2rpq__assembly_1__model_8 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2rpq__assembly_1__model_9 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2rpq__assembly_1__model_10 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2rpq__assembly_1__model_11 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2rpq__assembly_1__model_12 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2rpq__assembly_1__model_13 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2rpq__assembly_1__model_14 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2rpq__assembly_1__model_15 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2rpq__assembly_1__model_16 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2rpq__assembly_1__model_17 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2rpq__assembly_1__model_18 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2rpq__assembly_1__model_19 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2rpq__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2rpqa1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.1 — Ubiquitin-like
Family Family familyd.15.1.1 — Ubiquitin-related

CATH v4.4 (1 domains)

Domain ID domain_id2rpqA00
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)