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PDOC00046
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1995-07-26
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* Histone H4 signature *
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Histone H4 is one of the four histones, along with H2A, H2B and H3, which
forms the eukaryotic nucleosome core. Along with H3, it plays a central role
in nucleosome formation. The sequence of histone H4 has remained almost
invariant in more then 2 billion years of evolution [1]. The region we use as
a signature pattern is a pentapeptide found in positions 14 to 18 of all H4
sequences. It contains a lysine residue which is often acetylated [2] and a
histidine residue which is implicated in DNA-binding [3].
-Consensus pattern: G-A-K-R-H
-Sequences known to belong to this class detected by the pattern: ALL.
-Other sequence(s) detected in SWISS-PROT: NONE.
-Last update: June 1994 / Text revised.
[ 1] Thatcher T.H., Gorovsky M.A.
Nucleic Acids Res. 22:174-179(1994).
[ 2] Doenecke D., Gallwitz D.
Mol. Cell. Biochem. 44:113-128(1982).
[ 3] Ebralidse K.K., Grachev S.A., Mirzabekov A.D.
Nature 331:365-367(1988).