8jpb

cryo-EM structure of NTSR1-GRK2-Galpha(q) complexes 1

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

Beta-adrenergic receptor kinase 1

Bos taurus

UniProt P21146

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 NTS(8-13) × 1 Guanine nucleotide-binding protein G(q) subunit alpha × 1 (P50148) Neurotensin receptor type 1 × 1 (P30989) STAUROSPORINE × 1 GUANOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 TETRAFLUOROALUMINATE ION × 1 2-[{2-(1-fluorocyclopropyl)-4-[4-(2-methoxyphenyl)piperidin-1-yl]quinazolin-6-yl}(methyl)amino]ethan-1-ol × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ARBK1_BOVIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain G; PDBConstruct 1–688; UniProt 2–689

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 Protein heterocomplex Heteromer Protein 4 Beta-adrenergic receptor kinase 1 × 1 (P21146) NTS(8-13) × 1 Neurotensin receptor type 1 × 1 (P30989) STAUROSPORINE × 1 GUANOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 TETRAFLUOROALUMINATE ION × 1 2-[{2-(1-fluorocyclopropyl)-4-[4-(2-methoxyphenyl)piperidin-1-yl]quinazolin-6-yl}(methyl)amino]ethan-1-ol × 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 3
Chains and sequence ranges Author chain Q; PDBConstruct 31–353; UniProt 37–359

Neurotensin receptor type 1

Homo sapiens

UniProt P30989

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Beta-adrenergic receptor kinase 1 × 1 (P21146) NTS(8-13) × 1 Guanine nucleotide-binding protein G(q) subunit alpha × 1 (P50148) STAUROSPORINE × 1 GUANOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 1 TETRAFLUOROALUMINATE ION × 1 2-[{2-(1-fluorocyclopropyl)-4-[4-(2-methoxyphenyl)piperidin-1-yl]quinazolin-6-yl}(methyl)amino]ethan-1-ol × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name NTR1_HUMAN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain R; PDBConstruct 1–418; UniProt 1–418

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_id8jpb
Deposition date deposition_date2023-06-11
Structure title titlecryo-EM structure of NTSR1-GRK2-Galpha(q) complexes 1
Keywords keywordsBiased signaling, 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.

8jpb__assembly_1__model_1

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

Download this curve (.dat)

8jpb__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.

8jpb__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)46.57 Å
Rg (electron density)46.62 Å
Total Rg46.36 Å
Atom count9650
Residues1279
Excluded volume171890 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8jpb__assembly_1__model_1 tetrameric (4) 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 (9)

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id8jpbG01
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_id8jpbG02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id8jpbG03
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
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7. Citations (1)