8ddw

cryo-EM structure of TRPM3 ion channel in complex with Gbg, tethered by ALFA-nanobody

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Transient receptor potential cation channel, subfamily M, member 3

Mus musculus

UniProt Q5F4S7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 10 Unidentified segment at the N-terminus of TRPM3 × 4 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q5F4S7_MOUSE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1371; UniProt 1–1371 Author chain B; PDBConstruct 1–1371; UniProt 1–1371 Author chain C; PDBConstruct 1–1371; UniProt 1–1371 Author chain D; PDBConstruct 1–1371; UniProt 1–1371

Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

Homo sapiens

UniProt P62873

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 10 Transient receptor potential cation channel, subfamily M, member 3 × 4 (Q5F4S7) Unidentified segment at the N-terminus of TRPM3 × 4 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GBB1_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain I; PDBConstruct 1–339; UniProt 2–340

Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

Homo sapiens

UniProt P59768

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 10 Transient receptor potential cation channel, subfamily M, member 3 × 4 (Q5F4S7) Unidentified segment at the N-terminus of TRPM3 × 4 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GBG2_HUMAN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain J; PDBConstruct 1–70; UniProt 2–71

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_id8ddw
Deposition date deposition_date2022-06-19
Structure title titlecryo-EM structure of TRPM3 ion channel in complex with Gbg, tethered by ALFA-nanobody
Keywords keywordsTRPM3, ion channel, Gbg, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

8ddw__assembly_1__model_1

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

Download this curve (.dat)

8ddw__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8ddw__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)53.79 Å
Rg (electron density)53.50 Å
Total Rg53.64 Å
Atom count25863
Residues3266
Excluded volume461360 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8ddw__assembly_1__model_1 decameric (10) 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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7. Citations (1)