8ccn | pdb_00008ccn

Filamentous actin II from Plasmodium falciparum

spinqualitylabelsall models 8ccn, resolution 3.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8ccn is a 6 chain structure with sequence from Plasmodium falciparum. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: ADP, HIC, MG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function ACT2_PLAFX Actin is a highly conserved protein that polymerizes to produce filaments that form cross-linked networks in the cytoplasm. Polymerizes into longer and more stable actin filaments compared to ACT1/actin-1. Has ATPase activity. ATP hydrolysis leads to the formation of a stable intermediate ADP-inorganic phosphate (Pi) actin, which is followed by the release of Pi. ATP hydrolysis affects filament stability; ADP-bound actin depolymerizes much faster than ATP- or ADP-Pi-bound actin. Plays an essential role in male gametocyte development in the mosquito midgut, functioning in several processes including male gametocyte egress from host erythrocytes, formation of a beating flagellum and relocalization of ACT1/actin-1 to the cytoplasm. On the basal side of the mosquito midgut epithelium, required for the development of ookinetes into sporogonic oocysts.[UniProtKB:Q4YU79]

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