[Term] id: PR:000029935 name: potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 phosphorylated 1 def: "A potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 that has been phosphorylated on the residue at the position equivalent to Ser-921 of the amino acid sequence represented by UniProtKB:O70507. Example: UniProtKB:O70507, Ser-921, MOD:00046." [PRO:HJD, PMID:17114649] comment: Category=modification. Note: Large-scale experiment. synonym: "HCN4/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000000708 ! potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 relationship: has_part MOD:00046 ! O-phospho-L-serine