pubmed:abstractText |
The presence of an alpha-crystallin domain documents the evolutionary relatedness of the ubiquitous family of small heat shock proteins. Sequence and three-dimensional structure provide no evidence for the presence of such a domain in HSPC034, recently proposed as the 11th member of the human HSPB family. Also, phylogenetic analyses detect no relationship between HSPC034 and the human HSPB1-10 sequences. Arguments are provided as to why inclusion in the HSPB family of proteins like HSPC034, which resemble small heat shock proteins in being heat-inducible and having chaperone-like properties and a low monomeric mass, but are evolutionarily unrelated, is misleading and confusing.
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pubmed:affiliation |
Department of Biomolecular Chemistry 271, Nijmegen Center for Molecular Life Sciences, Radboud University, P.O. Box 9101, 6500 HB, Nijmegen, The Netherlands.
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