PR:000035446 cellular tumor antigen p53 isoform 1 phosphorylated 1 (human) hTP53/iso:1/Phos:1|p53S15 (human)|UniProtKB:P04637-1, Ser-15, MOD:00046 participates_in GO:0006915 apoptotic process PMID:11602639 EXP NCBITaxon:9606 UniProtKB:P04637-1 20090717 PRO:CL Note=HIV-1-Env-induced syncytium formation leads to apoptosis via a pathway that involves p53S15 phosphorylation by mTOR/FRAP. PR:000035446 cellular tumor antigen p53 isoform 1 phosphorylated 1 (human) hTP53/iso:1/Phos:1|p53S15 (human)|UniProtKB:P04637-1, Ser-15, MOD:00046 located_in GO:0005634 nucleus PMID:11602639 EXP NCBITaxon:9606 UniProtKB:P04637-1 20090717 PRO:CL Note=HIV-1-Env-induced syncytium formation leads to apoptosis via a pathway that involves p53S15 phosphorylation by mTOR/FRAP.