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12057 Ensembl ENSG00000128617 ENSMUSG00000058831 UniProt P03999 P51491 RefSeq (mRNA) NM_001708 NM_001385125 NM_007538 RefSeq (protein) NP_001699 NP_031564 Location (UCSC) Chr 7: 128.77 – 128.78 Mb Chr 6: 29.38 – 29.39 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Blue-sensitive opsin is a protein that in humans is encoded by the OPN1SW gene. The OPN1SW gene provides ...
Lysine (symbol Lys or K) [2] is an α-amino acid that is a precursor to many proteins.Lysine contains an α-amino group (which is in the protonated −NH + 3 form when the lysine is dissolved in water at physiological pH), an α-carboxylic acid group (which is in the deprotonated −COO − form when the lysine is dissolved in water at physiological pH), and a side chain (CH 2) 4 NH 2 (which ...
Double-stranded DNA phage lysins tend to lie within the 25 to 40 kDa range in terms of size. A notable exception is the streptococcal PlyC endolysin, which is 114 kDa. PlyC is not only the biggest and most potent lysin, but also structurally unique since it is composed of two different gene products, PlyCA and PlyCB, with a ratio of eight PlyCB subunits for each PlyCA in its active conformation.
The opsins in the cone cells are OPN1SW, OPN1MW, and OPN1LW. The cones form incomplete disks that are part of the plasma membrane, so that the N-terminus head extends outside of the cell. In opsins, retinal binds covalently to a lysine [16] in the seventh transmembrane helix [17] [18] [19] through a Schiff base.
The structure of the lysine riboswitch has recently been determined. [8] [9] The lysine amino acid is bound in the pocket formed by the 5-way junction. The structure is composed of a three helical bundle and a two helical bundle joined by the 5-way junction. Helices 1 and 2 are stacked in a colinear fashion as are helices 4 and 5.
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LysE appears to catalyze unidirectional efflux of L-lysine (and other basic amino acids such as L-arginine), and it provides the sole route for L-lysine excretion. The energy source is believed to be the proton motive force (H + antiport). The E. coli ArgO homologue (TC# 2.A.75.1.2) effluxes arginine and possibly lysine and canavanine as well. [5]
Protein primary structure is the linear sequence of amino acids in a peptide or protein. [1] By convention, the primary structure of a protein is reported starting from the amino -terminal (N) end to the carboxyl -terminal (C) end.