Planteome: Term Details for "platelet alpha granule" (GO:0031091)

Accession: GO:0031091
Name: platelet alpha granule
Ontology: cellular_component
Synonyms: platelet alpha-granule
Alternate IDs: None
Definition: A secretory organelle found in blood platelets, which is unique in that it exhibits further compartmentalization and acquires its protein content via two distinct mechanisms: (1) biosynthesis predominantly at the megakaryocyte (MK) level (with some vestigial platelet synthesis) (e.g. platelet factor 4) and (2) endocytosis and pinocytosis at both the MK and circulating platelet levels (e.g. fibrinogen (Fg) and IgG). Source: PMID:8467233
Comment: None
History: See term history for GO:0031091 at QuickGO
Subset: None
Related: Link to all annotated objects annotated to platelet alpha granule.; Link to all direct and indirect annotations to platelet alpha granule.; Link to all direct and indirect annotations download (limited to first 10,000) for platelet alpha granule.
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subject	relation	object
platelet alpha granule	is_a	secretory granule (GO:0030141)

subject	relation	object
platelet alpha granule lumen (GO:0031093)	BFO:0000050	platelet alpha granule
platelet alpha granule membrane (GO:0031092)	BFO:0000050	platelet alpha granule