منابع مشابه
Evolution of arthropod hemocyanins and insect storage proteins (hexamerins).
Crustacean and cheliceratan hemocyanins (oxygen-transport proteins) and insect hexamerins (storage proteins) are homologous gene products, although the latter do not bind oxygen and do not possess the copper-binding histidines present in the hemocyanins. An alignment of 19 amino acid sequences of hemocyanin subunits and insect hexamerins was made, based on the conservation of elements of second...
متن کامل[Hemocyanins as immunostimulants].
Hemocyanins, the giant oxygen transporter glycoproteins of diverse mollusks, are xenogenic to the mammalian immune system and they display a remarkable immuno-genicity. Therefore they are ideal non-specific immunostimulants to treat some types of cancer. They are used as an alternative therapy for superficial urinary bladder cancer (SBC), that has been traditionally treated with Bacillus Calmet...
متن کاملThe evolution of invertebrate gene body methylation.
DNA methylation of transcription units (gene bodies) occurs in the genomes of many animal and plant species. Phylogenetic persistence of gene body methylation implies biological significance; yet, the functional roles of gene body methylation remain elusive. In this study, we analyzed methylation levels of orthologs from four distantly related invertebrate species, including the honeybee, silkw...
متن کاملLuminescence of carbon monoxide hemocyanins.
The effect of carbon monoxide on the luminescence properties of Helix pomatia alpha-hemocyanin and Panulirus interruptus hemocyanin has been studied. These proteins, when saturated with carbon monoxide, show, besides the intrinsic fluorescence arising from the aromatic amino acid residues, emission in the visible region with a maximum between 540 and 560 nm. Results of carbon monoxide titration...
متن کاملEvolution of Invertebrate Deuterostomes and Hox/ParaHox Genes
Transcription factors encoded by Antennapedia-class homeobox genes play crucial roles in controlling development of animals, and are often found clustered in animal genomes. The Hox and ParaHox gene clusters have been regarded as evolutionary sisters and evolved from a putative common ancestral gene complex, the ProtoHox cluster, prior to the divergence of the Cnidaria and Bilateria (bilaterall...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2001
ISSN: 0021-9258
DOI: 10.1074/jbc.r100010200