8thk

Cryo-EM structure of A61603-bound alpha-1A-adrenergic receptor in complex with heterotrimeric Gq-protein

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

;Guanine nucleotide-binding protein G(i) subunit alpha-2,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,Guanine nucleotide-binding protein G(q) subunit alpha ;

Homo sapiens

UniProt P04899

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 5 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) Single fab chain (scFv16) × 1 Endolysin,Alpha-1A adrenergic receptor × 1 (P00720,P35348) N-[(5S)-5-(4,5-dihydro-1H-imidazol-2-yl)-2-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl]methanesulfonamide × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GNAI2_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–57; UniProt 1–57

;Guanine nucleotide-binding protein G(i) subunit alpha-2,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,Guanine nucleotide-binding protein G(q) subunit alpha ;

Homo sapiens

UniProt P50148

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 5 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) Single fab chain (scFv16) × 1 Endolysin,Alpha-1A adrenergic receptor × 1 (P00720,P35348) N-[(5S)-5-(4,5-dihydro-1H-imidazol-2-yl)-2-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl]methanesulfonamide × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GNAQ_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 236–246; UniProt 349–359

;Guanine nucleotide-binding protein G(i) subunit alpha-2,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,Guanine nucleotide-binding protein G(q) subunit alpha ;

Homo sapiens

UniProt P63092

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 5 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) Single fab chain (scFv16) × 1 Endolysin,Alpha-1A adrenergic receptor × 1 (P00720,P35348) N-[(5S)-5-(4,5-dihydro-1H-imidazol-2-yl)-2-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl]methanesulfonamide × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GNAS2_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 66–235; UniProt 204–383

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 Insufficient information Heteromer Protein 5 ;Guanine nucleotide-binding protein G(i) subunit alpha-2,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,Guanine nucleotide-binding protein G(q) subunit alpha ; × 1 (P04899,P50148,P63092) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P59768) Single fab chain (scFv16) × 1 Endolysin,Alpha-1A adrenergic receptor × 1 (P00720,P35348) N-[(5S)-5-(4,5-dihydro-1H-imidazol-2-yl)-2-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl]methanesulfonamide × 1 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 2
Chains and sequence ranges Author chain B; PDBConstruct 20–358; 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 Insufficient information Heteromer Protein 5 ;Guanine nucleotide-binding protein G(i) subunit alpha-2,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,Guanine nucleotide-binding protein G(q) subunit alpha ; × 1 (P04899,P50148,P63092) Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62873) Single fab chain (scFv16) × 1 Endolysin,Alpha-1A adrenergic receptor × 1 (P00720,P35348) N-[(5S)-5-(4,5-dihydro-1H-imidazol-2-yl)-2-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl]methanesulfonamide × 1 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 3
Chains and sequence ranges Author chain G; PDBConstruct 1–71; UniProt 1–71

Endolysin,Alpha-1A adrenergic receptor

Homo sapiens

UniProt P00720

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 5 ;Guanine nucleotide-binding protein G(i) subunit alpha-2,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,Guanine nucleotide-binding protein G(q) subunit alpha ; × 1 (P04899,P50148,P63092) 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) Single fab chain (scFv16) × 1 N-[(5S)-5-(4,5-dihydro-1H-imidazol-2-yl)-2-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl]methanesulfonamide × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ENLYS_BPT4
Isoform —
PDB entities 5
Chains and sequence ranges Author chain R; PDBConstruct 25–184; UniProt 2–161

Endolysin,Alpha-1A adrenergic receptor

Homo sapiens

UniProt P35348

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 5 ;Guanine nucleotide-binding protein G(i) subunit alpha-2,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,Guanine nucleotide-binding protein G(q) subunit alpha ; × 1 (P04899,P50148,P63092) 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) Single fab chain (scFv16) × 1 N-[(5S)-5-(4,5-dihydro-1H-imidazol-2-yl)-2-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl]methanesulfonamide × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ADA1A_HUMAN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain R; PDBConstruct 188–495; UniProt 15–350

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_id8thk
Deposition date deposition_date2023-07-17
Structure title titleCryo-EM structure of A61603-bound alpha-1A-adrenergic receptor in complex with heterotrimeric Gq-protein
Keywords keywordsAlpha-1A-adrenergic receptor, A61603, SIGNALING PROTEIN; SIGNALING 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.

8thk__assembly_1__model_1

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

Download this curve (.dat)

8thk__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.

8thk__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)35.86 Å
Rg (electron density)35.74 Å
Total Rg36.06 Å
Atom count8159
Residues1080
Excluded volume145410 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8thk__assembly_1__model_1 pentameric (5) 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 (6)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id8thkA01
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_id8thkB01
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_id8thkF01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id8thkF02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
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7. Citations (1)