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2pbi

The multifunctional nature of Gbeta5/RGS9 revealed from its crystal structure

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

Regulator of G-protein signaling 9

Mus musculus

UniProt A1L352

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Guanine nucleotide-binding protein subunit beta 5 × 1 （P62881） GLYCEROL × 5 water × 2 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 Guanine nucleotide-binding protein subunit beta 5 × 1 （P62881） GLYCEROL × 4 water × 2 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
2pbi 2pbi

2 assemblies

View Construct and Data Evidence
UniProt name A1L352_MOUSE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 3–424； UniProt 1–422 Author chain C； PDBConstruct 3–424； UniProt 1–422

Guanine nucleotide-binding protein subunit beta 5

Mus musculus

UniProt P62881

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Regulator of G-protein signaling 9 × 1 （A1L352） GLYCEROL × 5 water × 2 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 Regulator of G-protein signaling 9 × 1 （A1L352） GLYCEROL × 4 water × 2 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
2pbi 2pbi 6n9g 6n9g 7shf

5 assemblies

View Construct and Data Evidence
UniProt name GBB5_MOUSE
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 2–354； UniProt 43–395 Author chain D； PDBConstruct 2–354； UniProt 43–395

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_id2pbi
Deposition date deposition_date2007-03-28
Structure title titleThe multifunctional nature of Gbeta5/RGS9 revealed from its crystal structure
Keywords keywordsHelix wrap, RGS domain, DEP domain, DHEX domain, GGL domain, Beta propeller, SIGNALING PROTEIN; SIGNALING PROTEIN
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.

2pbi__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2pbi__assembly_2__model_1 | I(q)

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

2pbi__assembly_2__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）30.38 Å
Rg (electron density)30.12 Å
Total Rg30.73 Å
Atom count6183
Residues769
Excluded volume109760 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2pbi__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2pbi__assembly_2__model_1 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 (4)

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6. Fold Classification (SCOP + CATH) 13 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2pbib_
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.4 — WD40 repeat-like
Family Family familyb.69.4.0 — automated matches
Domain ID domain_idd2pbid1
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.4 — WD40 repeat-like
Family Family familyb.69.4.0 — automated matches
Domain ID domain_idd2pbid2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (10 domains)

Domain ID domain_id2pbiA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id2pbiA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1240 — Methyltransferase, Methionine Synthase (B12-binding Domains); Chain A, domain 1
Homologous superfamily homologous superfamily60 —
Domain ID domain_id2pbiA03
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology260 — G Protein Gi Gamma 2
Homologous superfamily homologous superfamily10 — Transducin (heterotrimeric G protein), gamma chain
Domain ID domain_id2pbiA04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology167 — Regulator of G-protein Signalling 4; domain 2
Homologous superfamily homologous superfamily10 — Regulator of G-protein Signalling 4, domain 2
Domain ID domain_id2pbiB00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id2pbiC01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id2pbiC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1240 — Methyltransferase, Methionine Synthase (B12-binding Domains); Chain A, domain 1
Homologous superfamily homologous superfamily60 —
Domain ID domain_id2pbiC03
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology260 — G Protein Gi Gamma 2
Homologous superfamily homologous superfamily10 — Transducin (heterotrimeric G protein), gamma chain
Domain ID domain_id2pbiC04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology167 — Regulator of G-protein Signalling 4; domain 2
Homologous superfamily homologous superfamily10 — Regulator of G-protein Signalling 4, domain 2
Domain ID domain_id2pbiD00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
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7. Citations (1)