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Polyphenol oxidase is an enzyme found throughout the plant and animal kingdoms, [31] including most fruits and vegetables. [32] PPO has importance to the food industry because it catalyzes enzymatic browning when tissue is damaged from bruising, compression or indentations, making the produce less marketable and causing economic loss.
Proteins in the oothecal foam of the mantis are cross-linked covalently by small molecules related to L-DOPA via a tanning reaction that is catalysed by catechol oxidase or polyphenol oxidase enzymes. [citation needed] L-DOPA is a tyrosine residue that bears an additional hydroxyl group.
22173 Ensembl ENSG00000077498 ENSMUSG00000004651 UniProt P14679 P11344 RefSeq (mRNA) NM_000372 NM_011661 NM_001317397 RefSeq (protein) NP_000363 NP_001304326 NP_035791 Location (UCSC) Chr 11: 89.18 – 89.3 Mb Chr 7: 87.07 – 87.14 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Tyrosinase is an oxidase that is the rate-limiting enzyme for controlling the production of melanin. The ...
Laccase EC 1.10.3.2 (urishiol oxidase), a 3-domain enzyme found in fungi and plants, which oxidizes different phenols and diamines. CueO is a laccase found in Escherichia coli that is involved in copper-resistance. [4] Ascorbate oxidase EC 1.10.3.3, a 3-domain enzyme found in higher plants.
While the active site of both tyrosinase and catechol oxidase contain the di-copper center, variations in each enzyme’s respective structure result in differing activity. In catechol oxidase, a phenylalanine side-chain (Phe261) is above one of the copper centers and prevents the substrate from coordinating with both copper ions in the active ...
The larvae, or glochidia, of Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during their development. Ptychobranchus fasciolaris enclose their glochidia in a membranous capsule called a conglutinate that resembles an insect larva or small fish.
Mytilus trossulus, the Pacific blue mussel, bay mussel or foolish mussel, is a medium-sized edible marine bivalve mollusc in the family Mytilidae.. Mytilus trossulus is one of the three principal, closely related taxa in the Mytilus edulis complex of blue mussels, which collectively are widely distributed on the temperate to subarctic coasts the Northern Hemisphere, and often are dominant ...
Bathymodiolus thermophilus is a species of large, deep water mussel, a marine bivalve mollusc in the family Mytilidae, the true mussels.The species was discovered at abyssal depths when submersible vehicles such as DSV Alvin began exploring the deep ocean. [3]