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StaR_like; a well-conserved protein found in bacteria, plants, and animals. A family member from Streptomyces toyocaensis, StaR is part of a gene cluster involved in the biosynthesis of glycopeptide antibiotics (GPAs), specifically A47934. It has been speculated that StaR could be a flavoprotein hydroxylating a tyrosine sidechain. Some family members have been annotated as proteins containing tetratricopeptide (TPR) repeats, which may at least indicate mostly alpha-helical secondary structure.
Jiyao W et al.(2023). "The conserved domain database in 2023.",