PR:000036629 tyrosine-protein kinase ZAP-70 isoform 1 phosphorylated 1 (human) hZAP70/iso:1/Phos:1 participates_in GO:0090630 activation of GTPase activity PMID:9269777 EXP NCBITaxon:9606 UniProtKB:P43403-1 20090810 PRO:CL Note=This form is induced by HIV gp160 and CD4 ligation.