▁in ▁late ▁December ▁of ▁ 3 5 . ▁He ▁is ▁believed ▁to ▁have ▁died ▁of ▁natural ▁causes . ▁He ▁is ▁the ▁father ▁of ▁Po pp ae a ▁Sab ina ▁the ▁E lder ▁and ▁mat ernal ▁grand father ▁of ▁Po pp ae a ▁Sab ina ▁the ▁Young er , ▁ ▁the ▁second ▁wife ▁of ▁the ▁future ▁em peror ▁N ero . ▁ ▁See ▁also ▁ ▁Po pp ae a ▁( gens ) ▁ ▁References ▁ ▁Category : 1 st - century ▁Rom ans ▁Category : Im per ial ▁Roman ▁cons uls ▁Category : R oman ▁govern ors ▁of ▁Mo esia ▁Category : Year ▁of ▁birth ▁unknown ▁Category : 3 5 ▁death s ▁Category : Mo esia ▁Sab inus , ▁G ai us ▁Category : P opp ae a ▁Sab ina <0x0A> </s> ▁Ph osph at ase ▁and ▁act in ▁reg ulator ▁ 1 ▁( P HA CT R 1 ) ▁is ▁a ▁protein ▁that ▁in ▁humans ▁is ▁encoded ▁by ▁the ▁P HA CT R 1 ▁gene ▁on ▁chrom os ome ▁ 6 . ▁ ▁It ▁is ▁most ▁significantly ▁expressed ▁in ▁the ▁glob us ▁p all id us ▁of ▁the ▁brain . ▁P HA CT R 1 ▁is ▁an ▁act in ▁and ▁protein ▁ph osph at ase ▁ 1 ▁( PP 1 ) ▁binding ▁protein ▁that ▁bind s ▁act in ▁and ▁regul ates ▁the ▁re organ ization ▁of ▁the ▁act in ▁c yt os ke leton . ▁This ▁protein ▁has ▁been ▁associated ▁with ▁coron ary ▁ar tery ▁disease ▁and ▁mig ra ines ▁through ▁gen ome