{PDOC00052}
{PS00053; RIBOSOMAL_S8}
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* Ribosomal protein S8 signature *
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Ribosomal protein S8 is one of the proteins from the  small ribosomal subunit.
In Escherichia  coli,  S8  is  known to bind directly to 16S ribosomal RNA. It
belongs to  a  family  of  ribosomal  proteins which, on the basis of sequence
similarities [1], groups:

 - Eubacterial S8.
 - Algal and plant chloroplast S8.
 - Cyanelle S8.
 - Archaebacterial S8.
 - Marchantia polymorpha mitochondrial S8.
 - Mammalian S15A.
 - Plant S15A.
 - Yeast S22 (S24).

As a  signature  pattern, we selected the best conserved region located in the
C-terminal section of these proteins.

-Consensus pattern: [GE]-x(2)-[LIV](2)-[STY]-[ST]-{A}-x-G-[LIVM](2)-x(4)-[AG]-
                    [KRHAYIL]
-Sequences known to belong to this class detected by the pattern: ALL,  except
 for some mitochondrial S8.
-Other sequence(s) detected in Swiss-Prot: 1.
-Last update: April 2006 / Pattern revised.

[ 1] Otaka E., Hashimoto T., Mizuta K.
     Protein Seq. Data Anal. 5:285-300(1993).

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