物种	参考基因 ID	可能功能	对应论文 / DOI
拟南芥	At5g03555	核碱基-质子同向转运蛋白，促进细胞中核碱基的摄取。	De novo pyrimidine nucleotide synthesis mainly occurs outside of plastids, but a previously undiscovered nucleobase importer provides substrates for the essential salvage pathway in Arabidopsis.; 2012; DOI: 10.1105/tpc.112.096743; PMID: 22474184; https://pubmed.ncbi.nlm.nih.gov/22474184/ | Genetic and molecular characterization reveals a unique nucleobase cation symporter 1 in Arabidopsis.; 2012; DOI: 10.1016/j.febslet.2012.03.058; PMID: 22616996; https://pubmed.ncbi.nlm.nih.gov/22616996/ | Structure-function relationship of a plant NCS1 member--homology modeling and mutagenesis identified residues critical for substrate specificity of PLUTO, a nucleobase transporter from Arabidopsis.; 2014; DOI: 10.1371/journal.pone.0091343; PMID: 24621654; https://pubmed.ncbi.nlm.nih.gov/24621654/