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Zinc finger, as a miniprotein composed of 26 amino acids, was firstly identified in a transcription study via Xenopus laevis (African clawed frog) and characterized by the coordination of one or more zinc ions in order to stabilize the fold. These proteins are now found with various binding properties which can also bind to DNA, RNA, protein or lipid substrates. Zinc finger is a member of the DNA-binding motifs family, contains multiple finger-like protrusions that can recognize a diverse set of DNA strings in a sequence-specific manner. The binding ability of zinc finger is considered to involve the sequences of finger domains and their linkers, as well as their number and structure order.

Scientists unearthed skeletons from the 14th century, isolated DNA samples and sequenced the entire genome of the 500 year-old bacteria, Yrsinia pestis. The genome of the ancient Yserinia informs us about the mode of pathology and how *we* have evolved, both culturally, and in terms of our immune systems. Very cool science news!

Gene Therapy showing promise

A news article describing 2 recent publications that puts to rest last year's announcement from NASA that they had discovered bacteria that required arsenic (instead of phosphorous) for growth.

Creative Biolabs Anounces De Novo Antibody Sequencing Service for Diagnostic and Therapeutic Use In contrast to other MS based methods, Creative Biolabs is able to discriminate most isobaric amino acid combinations. Read full article at http://www.einpresswire.com/article/271676466/the-role-of-de-novo-antibody-sequencing-in-diagnostics-and-therapy.

Resent years, DNA　immunization technology is quite hot in the field of biotechnology. It has been proved to have great significance in improving the effectiveness of immune procedure. Confronting with this brand new trend of development, pharmaceutical companies are, with different approaches, expanding their business in this realm. Scientists and researchers from Creative Biolabs have developed Direct Antibody Technology™ (DAT) to produce custom polyclonal and monoclonal antibodies. Read full article at http://www.wikigenes.org/e/pub/e/590.html.