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2trc

PHOSDUCIN/TRANSDUCIN BETA-GAMMA COMPLEX

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

TRANSDUCIN

OrganismNot specified

UniProt P62871

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 TRANSDUCIN × 1 （P02698） PHOSDUCIN × 1 （P20942） GADOLINIUM ATOM × 5 water × 3 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
1b9x 1b9y 1gg2 1got 1gp2 1omw 1xhm 24xz 2bcj 2trc 3ah8 3cik

74 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name GBB1_BOVIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain B； PDBConstruct 1–340； UniProt 1–340

TRANSDUCIN

OrganismNot specified

UniProt P02698

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 TRANSDUCIN × 1 （P62871） PHOSDUCIN × 1 （P20942） GADOLINIUM ATOM × 5 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1mf6

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1a0r 1b9x 1b9y 1got 1tbg 1tbg 1tbg 1tbg 1tbg 2trc 5kdo 6b20

21 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name GBG1_BOVIN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain G； PDBConstruct 2–68； UniProt 1–67

PHOSDUCIN

Rattus norvegicus

UniProt P20942

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 TRANSDUCIN × 1 （P62871） TRANSDUCIN × 1 （P02698） GADOLINIUM ATOM × 5 water × 3 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
1b9x 1b9y 2trc

3 assemblies

View Construct and Data Evidence
UniProt name PHOS_RAT
Isoform —
PDB entities 3
Chains and sequence ranges Author chain P； PDBConstruct 1–217； UniProt 14–230

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_id2trc
Deposition date deposition_date1997-01-06
Structure title titlePHOSDUCIN/TRANSDUCIN BETA-GAMMA COMPLEX
Keywords keywords;PHOSDUCIN, TRANSDUCIN, BETA-GAMMA, SIGNAL TRANSDUCTION, REGULATION, PHOSPHORYLATION, G PROTEINS, THIOREDOXIN, VISION, MEKA, COMPLEX (TRANSDUCER-TRANSDUCTION), COMPLEX (TRANSDUCER-TRANSDUCTION) complex ;; COMPLEX (TRANSDUCER/TRANSDUCTION)
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.

2trc__assembly_1__model_1

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

Download this curve (.dat)

2trc__assembly_1__model_1 | I(q)

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

2trc__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）26.63 Å
Rg (electron density)25.64 Å
Total Rg26.54 Å
Atom count4833
Residues620
Excluded volume85272 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2trc__assembly_1__model_1 trimeric （3） 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 (5)

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6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2trcb_
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.4 — WD40 repeat-like
Family Family familyb.69.4.1 — WD40-repeat
Domain ID domain_idd2trcg_
Class classa — All alpha proteins
Fold Fold folda.137 — Non-globular all-alpha subunits of globular proteins
Superfamily Superfamily superfamilya.137.3 — Transducin (heterotrimeric G protein), gamma chain
Family Family familya.137.3.1 — Transducin (heterotrimeric G protein), gamma chain
Domain ID domain_idd2trcp_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.6 — Phosducin

CATH v4.4 (4 domains)

Domain ID domain_id2trcB00
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_id2trcG00
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_id2trcP01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin
Domain ID domain_id2trcP02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology168 — Phosducin; domain 2
Homologous superfamily homologous superfamily10 — Phosducin, domain 2
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7. Citations (2)