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4ba1

Archaeal exosome (Rrp4-Rrp41(D182A)-Rrp42) bound to inorganic phosphate

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

PROBABLE EXOSOME COMPLEX EXONUCLEASE 2

SULFOLOBUS SOLFATARICUS

UniProt Q9UXC0

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 9 PROBABLE EXOSOME COMPLEX EXONUCLEASE 1 × 3 （Q9UXC2） PROBABLE EXOSOME COMPLEX RNA-BINDING PROTEIN 1 × 3 （Q9UXC4） PENTAETHYLENE GLYCOL × 3 DI(HYDROXYETHYL)ETHER × 3 PHOSPHATE ION × 6 SODIUM ION × 3 water × 9 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
2br2 2br2 2br2 2br2 2c37 2c37 2c37 2c37 2c38 2c38 2c38 2c38

22 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ECX2_SULSO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 3–277； UniProt 1–275

PROBABLE EXOSOME COMPLEX EXONUCLEASE 1

SULFOLOBUS SOLFATARICUS

UniProt Q9UXC2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 9 PROBABLE EXOSOME COMPLEX EXONUCLEASE 2 × 3 （Q9UXC0） PROBABLE EXOSOME COMPLEX RNA-BINDING PROTEIN 1 × 3 （Q9UXC4） PENTAETHYLENE GLYCOL × 3 DI(HYDROXYETHYL)ETHER × 3 PHOSPHATE ION × 6 SODIUM ION × 3 water × 9 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
2br2 2br2 2br2 2br2 2c37 2c37 2c37 2c37 2c38 2c38 2c38 2c38

22 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ECX1_SULSO
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 3–250； UniProt 1–248

PROBABLE EXOSOME COMPLEX RNA-BINDING PROTEIN 1

SULFOLOBUS SOLFATARICUS

UniProt Q9UXC4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 9 PROBABLE EXOSOME COMPLEX EXONUCLEASE 2 × 3 （Q9UXC0） PROBABLE EXOSOME COMPLEX EXONUCLEASE 1 × 3 （Q9UXC2） PENTAETHYLENE GLYCOL × 3 DI(HYDROXYETHYL)ETHER × 3 PHOSPHATE ION × 6 SODIUM ION × 3 water × 9 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
2je6 2jea 2jeb 3l7z 4ba1 4ba2

6 assemblies

View Construct and Data Evidence
UniProt name ECR1_SULSO
Isoform —
PDB entities 3
Chains and sequence ranges Author chain I； PDBConstruct 3–251； UniProt 1–249

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_id4ba1
Deposition date deposition_date2012-09-10
Structure title titleArchaeal exosome (Rrp4-Rrp41(D182A)-Rrp42) bound to inorganic phosphate
Keywords keywordsHYDROLASE, RNA DEGRADATION; HYDROLASE
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.

4ba1__assembly_1__model_1

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

Download this curve (.dat)

4ba1__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

4ba1__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）38.48 Å
Rg (electron density)37.56 Å
Total Rg38.11 Å
Atom count16233
Residues2130
Excluded volume291680 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4ba1__assembly_1__model_1 nonameric （9） 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 (8)

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6. Fold Classification (SCOP + CATH) 13 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd4ba1a1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamilyd.14.1 — Ribosomal protein S5 domain 2-like
Family Family familyd.14.1.4 — Ribonuclease PH domain 1-like
Domain ID domain_idd4ba1a2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamilyd.101.1 — Ribonuclease PH domain 2-like
Family Family familyd.101.1.1 — Ribonuclease PH domain 2-like
Domain ID domain_idd4ba1a3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4ba1b1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamilyd.14.1 — Ribosomal protein S5 domain 2-like
Family Family familyd.14.1.4 — Ribonuclease PH domain 1-like
Domain ID domain_idd4ba1b2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamilyd.101.1 — Ribonuclease PH domain 2-like
Family Family familyd.101.1.1 — Ribonuclease PH domain 2-like
Domain ID domain_idd4ba1i1
Class classb — All beta proteins
Fold Fold foldb.84 — Barrel-sandwich hybrid
Superfamily Superfamily superfamilyb.84.4 — Ribosomal L27 protein-like
Family Family familyb.84.4.2 — ECR1 N-terminal domain-like
Domain ID domain_idd4ba1i2
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
Family Family familyb.40.4.5 — Cold shock DNA-binding domain-like
Domain ID domain_idd4ba1i3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.51 — Eukaryotic type KH-domain (KH-domain type I)
Superfamily Superfamily superfamilyd.51.1 — Eukaryotic type KH-domain (KH-domain type I)
Family Family familyd.51.1.1 — Eukaryotic type KH-domain (KH-domain type I)

CATH v4.4 (5 domains)

Domain ID domain_id4ba1A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily70 — GHMP Kinase, N-terminal domain
Domain ID domain_id4ba1B01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily70 — GHMP Kinase, N-terminal domain
Domain ID domain_id4ba1I01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
Domain ID domain_id4ba1I02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily140 — Nucleic acid-binding proteins
Domain ID domain_id4ba1I03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1370 — Ribosomal Protein S8; Chain: A, domain 1
Homologous superfamily homologous superfamily10 — K Homology domain, type 1
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7. Citations (1)