This is one of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance (By similarity). 50S ribosomal protein L18 RL18_YERPS YPTB3682 rplR MDKKAARIRRATRARRKLKELGATRLVVHRTPRHIYAQVIAPNGSEILVAASTVEKAINEQLKYAGNKDAAAAVGKTIAERALEKGITKVSFDRSGFQYHGRVQALADAAREAGLQF 117