The following uncharacterized bacterial proteins have been shown  to share
regions of similarities:
Escherichia coli hypothetical protein yedF.
Escherichia coli hypothetical protein yeeD.
Escherichia coli hypothetical protein yhhP and HI0721, the corresponding
Haemophilus influenzae protein.
Haemophilus influenzae hypothetical protein HI0242.
Bacillus subtilis hypothetical proteins yrkF and yrkI.
Archaeoglobus fulgidus hypothetical proteins AF0188, AF0554 and AF0556.
Methanococcus jannaschii hypothetical protein MJ0990.
These are very small proteins (73 to 88 amino-acid residues) that contain a
well conserved region in their N-terminal region. This region is centered on
a cysteine which could potentially bind a prosthetic group.
PROSITE method (with tools and information) covered by this documentation:
Bairoch A. Rudd K.E.
Unpublished observations (1995).
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