Q9UBS5 (GABR1_HUMAN) Homo sapiens (Human)

Gamma-aminobutyric acid type B receptor subunit 1 UniProtKBInterProSTRINGInteractive Modelling

961 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3; Isoform 4; Isoform 5); 4 identical sequences: Homo sapiens: A0A1U9X7R0; Pan troglodytes: A0A663DDM4, A0A2I3TTF4; Gorilla gorilla gorilla: G3S7N5

Available Structures

24 Experimental Structures

DescriptionPDB IDOligo-stateRangeLigands
Cryo-EM structure of the CGP54626-bound human GABA(B) receptor in inactive state. Heteromer
O75899;
164-864
NAG;2BV;
Assess
Cryo-EM structure of human GABA(B) receptor bound to the antagonist CGP54626 Heteromer
O75899;
165-864
2BV;UNL; 16×CLR;
Assess
Structure of human GABA(B) receptor in an inactive state Heteromer
O75899;
165-864
NAG;CA;U3G; 10×CLR;U3D;
Assess
CryoEM Structure of Inactive GABAB Heterodimer Heteromer
O75899;
166-864
NAG;NAG;L9Q;SGG;MG;
Assess
Cryo-EM structure of human GABA(B) receptor in apo state Heteromer
O75899;
165-863
Assess
Human metabotropic GABA(B) receptor in its apo state Heteromer
O75899;
165-862
NAG;NAG;NAG;
Assess
Human metabotropic GABA(B) receptor bound to agonist SKF97541 and positive allosteric modulator GS3… Heteromer
O75899;
166-862
NAG;NAG;QD7;NAG;QDA;
Assess
Cryo-EM structure of human GABA(B) receptor-Gi protein complex Heteromer
O75899; P59768; P62873; P63096;
166-862
2C0;FN0;
Assess
Cryo-EM structure of the baclofen/BHFF-bound human GABA(B) receptor in active state Heteromer
O75899;
166-862
NAG;FN0;2C0;
Assess
Human metabotropic GABA(B) receptor in its intermediate state 1 Heteromer
O75899;
167-862
NAG;NAG;
Assess
Cryo-EM structure of human GABA(B) receptor bound to the positive allosteric modulator rac-BHFF Heteromer
O75899;
167-861
CLR;FN0;
Assess
Human metabotropic GABA(B) receptor bound to agonist SKF97541 in its intermediate state 2 Heteromer
O75899;
167-860
NAG;NAG;QD7;NAG;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the antagonist CGP… Heteromer
O75899;
165-576
NAG;NAG;NAG;2BW;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the antagonist CGP… Heteromer
O75899;
165-576
NAG;NAG;2BV;NAG;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the antagonist 2-h… Heteromer
O75899;
165-576
NAG;NAG;2BQ;NAG;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the antagonist CGP… Heteromer
O75899;
165-576
NAG;NAG;381;NAG;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the antagonist SCH… Heteromer
O75899;
165-576
NAG;NAG;2BX;NAG;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor in the apo form Heteromer
O75899;
165-576
NAG;NAG;NAG;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the antagonist pha… Heteromer
O75899;
165-576
NAG;NAG;2BY;NAG;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the agonist baclof… Heteromer
O75899;
167-576
2C0;NAG;
Assess
Crystal structure of the extracellular domain of human GABA(B) receptor bound to the endogenous ago… Heteromer
O75899;
167-576
ABU;NAG;
Assess
Heterodimeric coiled-coil structure of human GABA(B) receptor Heteromer
O75899;
884-918
Assess
CryoEM Structure of GABAB1b Homodimerhomo-2-mer166-861
NAG;NAG;MG;L9Q;SGG;
Assess
Solution structure of the Sushi 1 domain of GABAbR1amonomer26-98
Assess

2 SWISS-MODEL models

TemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
7c7s.1.Amonomer0.78164-864
2BV;100.00
Assess
3p8m.1.Cmonomer0.63888-916
23.33
Assess

4 SWISS-MODEL models built on isoform sequence

TemplateIsoformOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
Isoform 26wiv.1.Amonomer0.7948-747
U3G;CLR;100.00
Assess
Isoform 37c7s.1.Amonomer0.79102-802
2BV;99.03
Assess
Isoform 47c7s.1.Amonomer0.78164-864
2BV;99.44
Assess
Isoform 57c7s.1.Amonomer0.82164-571
2BV;99.64
Assess