{PDOC00288}
{PS00323; RIBOSOMAL_S19}
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* Ribosomal protein S19 signature *
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Ribosomal protein S19 is one of the proteins from the small ribosomal subunit.
In Escherichia  coli,  S19  is  known  to  form  a complex with S13 that binds
strongly to  16S  ribosomal RNA. S19 belongs to a family of ribosomal proteins
which, on the basis of sequence similarities [1,2], groups:

 - Eubacterial S19.
 - Algal and plant chloroplast S19.
 - Cyanelle S19.
 - Archaebacterial S19.
 - Plant mitochondrial S19.
 - Eukaryotic S15 ('rig' protein).

S19 is  a  protein  of 88 to 144 amino-acid residues. Our signature pattern is
based on  the  few  conserved  positions  located in the C-terminal section of
these proteins.

-Consensus pattern: [STDNQ]-G-[KRNQMHSI]-x(6)-[LIVM]-x(4)-[LIVMC]-[GSD]-x(2)-
                    [LFI]-[GAS]-[DE]-[FYM]-x(2)-[ST]
-Sequences known to belong to this class detected by the pattern: ALL.
-Other sequence(s) detected in Swiss-Prot: NONE.
-Last update: April 2006 / Pattern revised.

[ 1] Kitagawa M., Takasawa S., Kikuchi N., Itoh T., Teraoka H., Yamamoto H.,
     Okamoto H.
     "rig encodes ribosomal protein S15. The primary structure of mammalian
     ribosomal protein S15."
     FEBS Lett. 283:210-214(1991).
     PubMed=2044758;
[ 2] Otaka E., Hashimoto T., Mizuta K.
     Protein Seq. Data Anal. 5:285-300(1993).

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