lmmol · Proteins

Small ribosomal subunit protein uS19

Also known as: JW3278, b3316, rpsS

Function

In the E.coli 70S ribosome in the initiation state it has been modeled to contact the 23S rRNA of the 50S subunit forming part of bridge B1a; this bridge is broken in the model with bound EF-G. The 23S rRNA contact site in bridge B1a is modeled to differ in different ribosomal states, contacting alternately S13 or S19. In the 3.5 angstroms resolved ribosome structures the contacts between L5, S13 and S19 bridge B1b are different, confirming the dynamic nature of this interaction. Bridge B1a is not visible in the crystallized ribosomes due to 23S rRNA disorder.

Classification

Family (Pfam)
PF00203 Ribosomal_S19
InterPro
Ribosomal_uS19, Ribosomal_uS19_bact, Ribosomal_uS19_CS, Ribosomal_uS19_SF
Functional cluster
Small-Subunit Ribosomal Proteins

Experimental structures · PDB · 510

A predicted model is available from AlphaFold.

Gene Ontology · 7

Drugs targeting this protein · 62

Related proteins · sequence + function similarity

Co-cited proteins · studied together in the literature

Literature · 17 cited papers

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