← Back to search
1p9d

High-resolution structure of the complex of HHR23A ubiquitin-like domain and the C-terminal ubiquitin-interacting motif of proteasome subunit S5a

Method: SOLUTION NMR
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

26S proteasome non-ATPase regulatory subunit 4

Homo sapiens

UniProt P55036

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 UV excision repair protein RAD23 homolog A × 1 （P54725） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1p9c 1yx4

2 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1p9d 1uel 1yx5 1yx6 2kde 2kdf 5gjq 5gjr 5l4k 5ln3 5m32 5t0c

123 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name PSD4_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain S； PDBConstruct 1–45； UniProt 263–307

UV excision repair protein RAD23 homolog A

Homo sapiens

UniProt P54725

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 26S proteasome non-ATPase regulatory subunit 4 × 1 （P55036） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1dv0 1f4i 1ify 1oqy 1p98 1qze 1tp4 2wyq 6w2g 6w2g 6w2h 6w2i

13 assemblies; showing the first 12

Homodimer
2wyq

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1p9d 5xbo 6xqi 6xqi 6xqj 8q06

6 assemblies

View Construct and Data Evidence
UniProt name RD23A_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain U； PDBConstruct 1–78； UniProt 1–78

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id1p9d
Deposition date deposition_date2003-05-10
Structure title titleHigh-resolution structure of the complex of HHR23A ubiquitin-like domain and the C-terminal ubiquitin-interacting motif of proteasome subunit S5a
Keywords keywordsprotein-peptide complex, REPLICATION; REPLICATION
Experimental Method methodSOLUTION NMR
▼

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.

1p9d__assembly_1__model_1

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

Download this curve (.dat)

1p9d__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.

1p9d__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）14.68 Å
Rg (electron density)13.13 Å
Total Rg14.53 Å
Atom count1764
Residues110
Excluded volume15707 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1p9d__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1p9d__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1p9d__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1p9d__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1p9d__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1p9d__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1p9d__assembly_1__model_7 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1p9d__assembly_1__model_8 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1p9d__assembly_1__model_9 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1p9d__assembly_1__model_10 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1p9ds_
Class classj — Peptides
Fold Fold foldj.105 — Ubiquitin interacting motif (UIM)
Superfamily Superfamily superfamilyj.105.1 — Ubiquitin interacting motif (UIM)
Family Family familyj.105.1.1 — Ubiquitin interacting motif (UIM)
Domain ID domain_idd1p9du_
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_id1p9dU00
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
▶

7. Citations (1)