Protein component of the small (40S) ribosomal subunit; mutation affects 20S pre-rRNA processing; homologous to mammalian ribosomal protein S4, no bacterial homolog; RPS4A has a paralog, RPS4B, that arose from the whole genome duplication [Source:SGD;Acc:S000003906]

S4A, S7A, YS6, rp5

Chromosome X: 702,027-703,068 reverse strand.

R64-1-1:BK006943.2

This gene has 1 transcript (splice variant), 516 orthologues and 1 paralogue.

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