Summary

Name GNAI3
Full Name Guanine nucleotide-binding protein G
Synonyms G(i) alpha-3
Primary ID P08754
Links - -
Type protein
Relations 125
Function Heterotrimeric guanine nucleotide-binding proteins (G proteins) function as transducers downstream of G protein-coupled receptors (GPCRs) in numerous signaling cascades. The alpha chain contains the guanine nucleotide binding site and alternates between an active, GTP-bound state and an inactive, GDP-bound state. Signaling by an activated GPCR promotes GDP release and GTP binding. The alpha subunit has a low GTPase activity that converts bound GTP to GDP, thereby terminating the signal. Both GDP release and GTP hydrolysis are modulated by numerous regulatory proteins (PubMed:8774883, PubMed:18434541, PubMed:19478087). Signaling is mediated via effector proteins, such as adenylate cyclase. Inhibits adenylate cyclase activity, leading to decreased intracellular cAMP levels (PubMed:19478087). Stimulates the activity of receptor-regulated K(+) channels (PubMed:2535845). The active GTP-bound form prevents the association of RGS14 with centrosomes and is required for the translocation of RGS14 from the cytoplasm to the plasma membrane. May play a role in cell division (PubMed:17635935).

Viewer

Relations

Regulator Mechanism target score
+ up-regulates activity img/direct-activation.png binding GNAI3 0.394
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.411
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.378
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.271
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.411
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.271
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.439
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.427
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png binding GNAI3 0.405
Publications: 2 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.497
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.377
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.376
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.285
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.413
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.411
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.427
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.446
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.477
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.411
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.447
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.266
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.428
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.271
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.281
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.484
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.284
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.492
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.522
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.285
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.437
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.43
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.413
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.268
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.427
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.358
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.425
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.411
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.401
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.254
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.432
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.427
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.28
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.438
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.271
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.438
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.448
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.411
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.271
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.429
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.453
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.283
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.429
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.36
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.425
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.466
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.431
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.539
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.267
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png binding ADCY1 0.578
Publications: 2 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.429
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.284
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.427
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.434
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png binding ADCY1 0.578
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.378
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png binding Adenylate_cyclase 0.578
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding TNFAIP8 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.376
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.411
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.407
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.411
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.361
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.359
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.413
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.429
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.359
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.436
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.326
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.427
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.268
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.413
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.252
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.552
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.377
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.421
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding GNAI3 0.359
Publications: 1 Organism: Homo Sapiens