Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S21, no bacterial homolog; RPS21B has a paralog, RPS21A, that arose from the whole genome duplication [Source:SGD;Acc:S000003672]
S21B, S26B, YS25
Chromosome X: 156,550-157,273 reverse strand.
R64-1-1:BK006943.2
This gene has 1 transcript (splice variant), 342 orthologues and 1 paralogue.