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Descriptor English: Pleckstrin Homology Domains
Descriptor Spanish: Dominios Homólogos a Pleckstrina
Descriptor dominios homólogos a pleckstrina
Entry term(s) dominio PH
dominio homólogo a pleckstrina
dominios PH
Scope note: Dominios proteínicos de aproximadamente 120 aminoácidos que forman dos láminas beta antiparalelas perpendiculares conectadas por un bucle de longitud variable y una hélice anfipática carboxiterminal. Los dominios PH están presentes en muchas PROTEÍNAS DE SEÑALIZACIÓN INTRACELULAR y PROTEÍNAS DEL CITOESQUELETO que unen FOSFATIDILINOSITOLES en la MEMBRANA CELULAR y las MEMBRANAS INTRACELULARES, así como en proteínas tales como las subunidades betagamma de las PROTEÍNAS DE UNIÓN AL GTP HETEROTRIMÉRICAS y la PROTEÍNA QUINASA C. Estas interacciones permiten dirigir las proteínas a distintos compartimentos celulares y VÍAS DE TRANSDUCCIÓN DE SEÑAL.
Descriptor Portuguese: Domínios de Homologia à Plecstrina
Descriptor French: Domaines homologues de la pleckstrine
Entry term(s): Domain, PH
Domain, Pleckstrin Homology
Domains, PH
Domains, Pleckstrin Homology
Homology Domain, Pleckstrin
Homology Domains, Pleckstrin
PH Domain
PH Domains
Pleckstrin Homology Domain
Tree number(s): G02.111.570.820.709.275.750.469
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D000070539
Scope note: Protein domains of approximately 120 amino acids that form two perpendicular anti-parallel beta sheets connected by a loop of variable length and a C-terminal amphipathic helix. PH domains occur in many INTRACELLULAR SIGNALING PROTEINS and CYTOSKELETAL PROTEINS where they bind PHOSPHATIDYLINOSITOLS within the CELL MEMBRANE and INTRACELLULAR MEMBRANES, as well as proteins that include the Betagamma-subunits of HETEROTRIMERIC GTP-BINDING PROTEINS, and PROTEIN KINASE C. These interactions allow the targeting of proteins to different cellular compartments and SIGNAL TRANSDUCTION PATHWAYS.
Allowable Qualifiers: DE drug effects
GE genetics
IM immunology
PH physiology
RE radiation effects
Previous Indexing: Protein Structure, Tertiary (1994-2016)
Public MeSH Note: 2017
History Note: 2017
DeCS ID: 56742
Unique ID: D000070539
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2017/01/01
Date of Entry: 2016/07/08
Revision Date: 2016/05/09
Pleckstrin Homology Domains - Preferred
Concept UI M000610823
Scope note Protein domains of approximately 120 amino acids that form two perpendicular anti-parallel beta sheets connected by a loop of variable length and a C-terminal amphipathic helix. PH domains occur in many INTRACELLULAR SIGNALING PROTEINS and CYTOSKELETAL PROTEINS where they bind PHOSPHATIDYLINOSITOLS within the CELL MEMBRANE and INTRACELLULAR MEMBRANES, as well as proteins that include the Betagamma-subunits of HETEROTRIMERIC GTP-BINDING PROTEINS, and PROTEIN KINASE C. These interactions allow the targeting of proteins to different cellular compartments and SIGNAL TRANSDUCTION PATHWAYS.
Preferred term Pleckstrin Homology Domains
Entry term(s) Domain, PH
Domain, Pleckstrin Homology
Domains, PH
Domains, Pleckstrin Homology
Homology Domain, Pleckstrin
Homology Domains, Pleckstrin
PH Domain
PH Domains
Pleckstrin Homology Domain



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