[Term] id: PR:000050269 name: spike protein S2' (SARS-CoV-2) def: "A spike protein S2 (SARS-CoV-2) that has been further processed by proteolytic cleavage to yield the C-terminal portion. UniProtKB:P0DTC2, 816-1273." [PRO:DAN, UniProtKB:P0DTC2] comment: Category=organism-modification. Note: 458 aa protein. synonym: "S2' (SARS2)" EXACT PRO-short-label [PRO:DAN] synonym: "PRO_0000449649" EXACT PRO-proteoform-ftid [PRO:DAN] synonym: "UniProtKB:P0DTC2, 816-1273" EXACT PRO-proteoform-std [PRO:DAN] is_a: PR:000050268 ! spike protein S2 (SARS-CoV-2) relationship: output_of GO:0016485 ! protein processing relationship: only_in_taxon NCBITaxon:2697049 ! Severe acute respiratory syndrome coronavirus 2