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单词 Major urinary protein
释义

Major urinary protein

英语百科

Major urinary proteins

Tertiary structure of a mouse major urinary protein. The protein has eight beta sheets (yellow) arranged in a beta barrel open at one end, with alpha helices (red) at both the amino- and carboxyl termini. The structure is resolved from Protein Data Bank entry 1i04.
 Find all instances of this protein in the PDB
Phylogeny of Mup coding sequences in mammals.[1] The repeatability of the reconstruction was tested by bootstrapping. Interior branches with bootstrap support > 50% are shown.
 A dot plot showing self-similarity within the mouse Mup cluster.[20] The main diagonal represents the sequence's alignment with itself; lines off the main diagonal represent similar or repetitive patterns within the cluster. The pattern differs between the older, peripheral Class A and the newer, central Class B Mups.
Mouse major urinary proteins bind 2-sec-butyl-4,5-dihydrothiazole (SBT), a mouse pheromone.[24] The beta barrel forms a pocket, in which the SBT molecule is tightly bound. The structure is resolved from 1MUP.

Major urinary proteins (Mups), also known as α2u-globulins, are a subfamily of proteins found in abundance in the urine and other secretions of many animals. Mups provide a small range of identifying information about the donor animal, when detected by the vomeronasal organ of the receiving animal. They belong to a larger family of proteins known as lipocalins. Mups are encoded by a cluster of genes, located adjacent to each other on a single stretch of DNA, that varies greatly in number between species: from at least 21 functional genes in mice to none in humans. Mup proteins form a characteristic glove shape, encompassing a ligand-binding pocket that accommodates specific small, organic chemicals.

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更新时间:2025/6/18 10:51:29