[Term] id: PR:000000029 name: thrombospondin subgroup A def: "A protein that has a core domain composition consisting of a procollagen homology domain and three TSR domains at the N terminus followed by three or four EGF-type repeats, a series of seven contiguous calcium-binding repeats (the thrombospondin type 3 repeats), and a globular carboxyl-terminal domain." [PMID:10842357] comment: Category=family. xref: PIRSF:PIRSF002478 is_a: PR:000000001 ! protein