6huj

CryoEM structure of human full-length heteromeric alpha1beta3gamma2L GABA(A)R in complex with picrotoxin, GABA and megabody Mb38.

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

Gamma-aminobutyric acid receptor subunit alpha-1,Gamma-aminobutyric acid receptor subunit alpha-1

Homo sapiens

UniProt P08219

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 6 其他Polymer 7 Gamma-aminobutyric acid receptor subunit beta-3 × 2 (P28472) Gamma-aminobutyric acid receptor subunit gamma-2 × 1 (P18507) Megabody Mb38 × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate ; × 2 ;(1aR,2aR,3S,6R,6aS,8aS,8bR,9R)-2a-hydroxy-8b-methyl-9-(prop-1-en-2-yl)hexahydro-3,6-methano-1,5,7-trioxacyclopenta[ij]c yclopropa[a]azulene-4,8(3H)-dione ; × 1 GAMMA-AMINO-BUTANOIC ACID × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GBRA1_BOVIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–27; UniProt 1–27 Author chain D; PDBConstruct 1–27; UniProt 1–27

Gamma-aminobutyric acid receptor subunit alpha-1,Gamma-aminobutyric acid receptor subunit alpha-1

Homo sapiens

UniProt P14867

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 6 其他Polymer 7 Gamma-aminobutyric acid receptor subunit beta-3 × 2 (P28472) Gamma-aminobutyric acid receptor subunit gamma-2 × 1 (P18507) Megabody Mb38 × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate ; × 2 ;(1aR,2aR,3S,6R,6aS,8aS,8bR,9R)-2a-hydroxy-8b-methyl-9-(prop-1-en-2-yl)hexahydro-3,6-methano-1,5,7-trioxacyclopenta[ij]c yclopropa[a]azulene-4,8(3H)-dione ; × 1 GAMMA-AMINO-BUTANOIC ACID × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GBRA1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 36–464; UniProt 28–456 Author chain D; PDBConstruct 36–464; UniProt 28–456

Gamma-aminobutyric acid receptor subunit beta-3

Homo sapiens

UniProt P28472

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 6 其他Polymer 7 Gamma-aminobutyric acid receptor subunit alpha-1,Gamma-aminobutyric acid receptor subunit alpha-1 × 2 (P08219,P14867) Gamma-aminobutyric acid receptor subunit gamma-2 × 1 (P18507) Megabody Mb38 × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate ; × 2 ;(1aR,2aR,3S,6R,6aS,8aS,8bR,9R)-2a-hydroxy-8b-methyl-9-(prop-1-en-2-yl)hexahydro-3,6-methano-1,5,7-trioxacyclopenta[ij]c yclopropa[a]azulene-4,8(3H)-dione ; × 1 GAMMA-AMINO-BUTANOIC ACID × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GBRB3_HUMAN
Isoform P28472-2
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–473; UniProt 1–473 Author chain E; PDBConstruct 1–473; UniProt 1–473

Gamma-aminobutyric acid receptor subunit gamma-2

Homo sapiens

UniProt P18507

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 6 其他Polymer 7 Gamma-aminobutyric acid receptor subunit alpha-1,Gamma-aminobutyric acid receptor subunit alpha-1 × 2 (P08219,P14867) Gamma-aminobutyric acid receptor subunit beta-3 × 2 (P28472) Megabody Mb38 × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate ; × 2 ;(1aR,2aR,3S,6R,6aS,8aS,8bR,9R)-2a-hydroxy-8b-methyl-9-(prop-1-en-2-yl)hexahydro-3,6-methano-1,5,7-trioxacyclopenta[ij]c yclopropa[a]azulene-4,8(3H)-dione ; × 1 GAMMA-AMINO-BUTANOIC ACID × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GBRG2_HUMAN
Isoform P18507-2
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–475; UniProt 1–475

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_id6huj
Deposition date deposition_date2018-10-08
Structure title titleCryoEM structure of human full-length heteromeric alpha1beta3gamma2L GABA(A)R in complex with picrotoxin, GABA and megabody Mb38.
Keywords keywords;GABAAR, PTX, Membrane, Channel, Nanobody, Megabody, Cys-loop, PLGIC, Inhibition, Signalling, CNS, Neurons, Chloride, Ion, GABA, Picrotoxin, 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.

6huj__assembly_1__model_1

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

Download this curve (.dat)

6huj__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.

6huj__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)39.56 Å
Rg (electron density)38.95 Å
Total Rg39.35 Å
Atom count15255
Residues1812
Excluded volume274290 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6huj__assembly_1__model_1 hexameric (6) 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 (11)

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7. Citations (1)