[Term] id: PR:000000742 name: cyclic nucleotide-gated cation channel alpha-3 sequence variant T291R (human) def: "A cyclic nucleotide-gated cation channel alpha-3 (human) that has an Arg residue at the position equivalent to Thr-291 of the amino acid sequence represented by UniProtKB:Q16281-1. Example: UniProtKB:Q16281-1, Thr-291, CHEBI:29952." [PRO:CNA, PRO:DAN, PMID:9662398] comment: Category=organism-sequence. Note: This residue is located within the segment S4. synonym: "hCNGA3/var:T291R" EXACT PRO-short-label [PRO:DNx] synonym: "cyclic nucleotide-gated cation channel alpha-3 sequence variant 2 (human)" EXACT [PRO:DNx] synonym: "UniProtKB:Q16281, Thr-291, CHEBI:29952" EXACT PRO-proteoform-std [PRO:DAN] synonym: "UniProtKB:Q16281-1, Thr-291, CHEBI:29952" NARROW PRO-proteoform-std [PRO:DAN] xref: UniProtKB_VAR:VAR_010906 is_a: PR:Q16281 ! cyclic nucleotide-gated cation channel alpha-3 (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens