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methanobactin precursor, Mb-OB3b family Methanobactins are siderophore-like copper-chelating natural products with considerable variety from species to species. The 11-residue methanobactin of Methylosinus trichosporium OB3b is derived from a 30-residue precursor. A very similar 31-residue precursor is found in the rice endophyte Azospirillum sp. B510, which has not yet been shown to produce a methanobactin. This model models the shared region of the first 25 amino acids, including a Cys-Gly-Ser motif. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",