A C-terminal loop covers the binding cavity and this "lid" may be opened by disruption of an array of acid-labile hydrogen bonds thus explaining reduced or no binding affinity at low pH.
Together these observations suggest that the zebrafish olfactory C family GPCRs comprise a family of receptors that has evolved to recognize a diverse array of amino acid and/or amino acid-based ligands.
Subsequently the imported sucrose, glutamine, and a few other amino acids are transformed into the array of amino acids, lipids, nucleic acids and carbohydrates needed to sustain the intense accumulation of starch and protein in the developing grain.
Transport of amino acids across an epithelium is a complex process mediated by a broad array of amino acid transporters expressed in the plasma membrane (1, 2).
For one thing, the cranberry contains more than 200 active substances in addition to vitamin C, citric acid and an array of other acids.
As a proof of concept, we prepared a three-dimensional macroporous array of poly methacrylic acid) (PMAA) containing molecular imprints of bisphenol A (BPA) and a planar defect layer consisting in macropores of different size.
The palladium-catalysed Suzuki Miyaura reaction is well known to be the coupling protocol of choice for industry in view of the large array of boronic acid and ester coupling partners commercially available, its high yields and its relatively benign starting materials and by-products.
The theory that extraterrestrial objects crashing into our planet could have brought chemicals crucial to the emergence of life has long been mooted, with an array of amino acids - the building blocks of proteins - already discovered on meteorites.
The meat is then hung up to dry, either in fresh air or in smoke, which is itself a complex material made up of hundreds of components, including carcinogens, which inhibit microbial growth; phenolics, which retard fat oxidation; and an array of sugars, acids and particulates that colour and flavour the meat.
From this salt, a two stage Wittig reaction with an array of activated acids allowed the quick preparation of many analogues.
The array of amino acids available for absorption when cows were fed the BLEND diet was more desirable than for the CDG diet according to Milk Protein Score and Cornell Net Carbohydrate and Protein System.
