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1got

HETEROTRIMERIC COMPLEX OF A GT-ALPHA/GI-ALPHA CHIMERA AND THE GT-BETA-GAMMA SUBUNITS

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

GT-ALPHA/GI-ALPHA CHIMERA

Bos taurus

UniProt P04695

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 GT-BETA × 1 （P62871） GT-GAMMA × 1 （P02698） GUANOSINE-5'-DIPHOSPHATE × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1aqg 1lvz 1tad 1tad 1tad 1tag 1tnd 1tnd 1tnd

9 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1fqj 1fqj 1fqk 1fqk 1got 2x72 3dqb 3pqr 3pqr 3v00 3v00 3v00

21 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name GBT1_BOVIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–350； UniProt 1–349

GT-BETA

Bos taurus

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 GT-ALPHA/GI-ALPHA CHIMERA × 1 （P04695） GT-GAMMA × 1 （P02698） GUANOSINE-5'-DIPHOSPHATE × 1 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 2
Chains and sequence ranges Author chain B； PDBConstruct 1–340； UniProt 1–340

GT-GAMMA

Bos taurus

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 GT-ALPHA/GI-ALPHA CHIMERA × 1 （P04695） GT-BETA × 1 （P62871） GUANOSINE-5'-DIPHOSPHATE × 1 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 3
Chains and sequence ranges Author chain G； PDBConstruct 9–73； UniProt 1–65

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_id1got
Deposition date deposition_date1996-08-07
Structure title titleHETEROTRIMERIC COMPLEX OF A GT-ALPHA/GI-ALPHA CHIMERA AND THE GT-BETA-GAMMA SUBUNITS
Keywords keywordsCOMPLEX (GTP-BINDING-TRANSDUCER), G PROTEIN, HETEROTRIMER SIGNAL TRANSDUCTION, COMPLEX (GTP-BINDING-TRANSDUCER) complex; COMPLEX (GTP-BINDING/TRANSDUCER)
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.

1got__assembly_1__model_1

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

Download this curve (.dat)

1got__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.

1got__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）29.92 Å
Rg (electron density)29.17 Å
Total Rg29.84 Å
Atom count5832
Residues723
Excluded volume103240 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1got__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) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1gota1
Class classa — All alpha proteins
Fold Fold folda.66 — Transducin (alpha subunit), insertion domain
Superfamily Superfamily superfamilya.66.1 — Transducin (alpha subunit), insertion domain
Family Family familya.66.1.1 — Transducin (alpha subunit), insertion domain
Domain ID domain_idd1gota2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins
Domain ID domain_idd1gotb_
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_idd1gotg_
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

CATH v4.4 (4 domains)

Domain ID domain_id1gotA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1gotA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology400 — GI Alpha 1, domain 2-like
Homologous superfamily homologous superfamily10 — GI Alpha 1, domain 2-like
Domain ID domain_id1gotB00
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_id1gotG00
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
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7. Citations (5)