GTP-binding proteins

GTP-binding proteins
(= G-proteins)

Dictionary of molecular biology. 2004.

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  • GTP-binding protein — any of a number of regulatory proteins, including the G proteins and the monomeric small GTP binding proteins, in which the exchange of GDP for GTP induces a conformational change to produce an active state, while the hydrolysis of GTP to GDP… …   Medical dictionary

  • GTP-binding protein regulators — regulate G proteins in several different ways. Small GTPases act as molecular switches in signaling pathways, which act to regulate functions of other proteins. They are active or ON when it is bound to GTP and inactive or OFF when bound to GDP.… …   Wikipedia

  • GTP — (= guanosine 5 triphosphate) Like ATP a source of phosphorylating potential, but is separately synthesized and takes part in a limited, distinct set of energy requiring processes. Synthesis is by a substrate linked phosphorylation involving… …   Dictionary of molecular biology

  • ATP binding site — (= A motif) A consensus domain found in a number of ATP or GTP binding proteins, for example ATP synthase, myosin heavy chain, helicases, thymidine kinase, G protein a subunits, GTP binding elongation factors, Ras family. Consensus is: (A or G)… …   Dictionary of molecular biology

  • Major urinary proteins — Tertiary structure of a mouse major urinary protein. The protein has eight beta sheets (yellow) arranged in a beta barrel open at one end, with alpha helices (red) at both the amino and carboxyl termini. The structure is resolved from Protein… …   Wikipedia

  • Odorant binding protein — Pheromone/general odorant binding protein Identifiers Symbol PBP GOBP Pfam PF01395 InterPro …   Wikipedia

  • Calcium-binding protein — Calcium binding proteins are proteins that participate in calcium cell signalling pathways by binding to Ca2+. The most ubiquitous Ca2+ sensing protein, found in all eukaryotic organisms including yeasts, is calmodulin. Intracellular storage and… …   Wikipedia

  • WD-repeat proteins — (= WD40) The WD motif is a conserved sequence of approximately 40 amino acids usually ending with tryptophan and aspartic acid (WD). The motif is implicated in protein protein interactions. Crystal structure of one WD repeat protein (GTP binding… …   Dictionary of molecular biology

  • GEM (gene) — GTP binding protein overexpressed in skeletal muscle, also known as GEM, is a human gene.cite web | title = Entrez Gene: GEM GTP binding protein overexpressed in skeletal muscle| url =… …   Wikipedia

  • GTPBP4 — GTP binding protein 4, also known as GTPBP4, is a human gene.cite web | title = Entrez Gene: GTPBP4 GTP binding protein 4| url = Cmd=ShowDetailView TermToSearch=23560| accessdate = ] PBB Summary… …   Wikipedia

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