[Term] id: PR:000025042 name: putative frv operon regulatory protein isoform 1 phosphorylated 1 def: "A putative frv operon regulatory protein isoform 1 that has been phosphorylated on a His residue by HPr. Example: UniProtKB:P32152-1, His-505, MOD:00890." [EcoCyc:EG11861-MONOMER] comment: Category=modification. synonym: "frvR/iso:1/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000025040 ! putative frv operon regulatory protein isoform 1 relationship: has_part MOD:00890 ! phosphorylated L-histidine