Organism
Pyrobaculum calidifontis (strain JCM 11548 / VA1)
Function
Part of an actin-like archaeal cytoskeleton (PubMed:21414041). Prevents polymerization of crenactin filaments by binding its C-terminus into crenactin's hydrophobic groove. May act by competing with the D-loop of the following crenactin subunit for the hydrophobic groove (PubMed:27852434).
Sequence
MDFPKVLLIRHFTEVLGMKYAGEGGEVLWFEEGLNRVAVGIYFTDLYEEAELYKRVGALMGLGASKVFLAVLPDALAFVDPRYFKANGVGLVVVDPAKGVDGVEVKIFARARPAAVEPLKIDAVKAALHEYLASELKRVEESLFEKVRRYVDQRVEEVKRALQAVEEAKRAAPPVQRAAAESAQEPRGGIGENEWVKILRSKR