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EXT3 | Extensin-3; Structural component which strengthens the primary cell wall. Forms dendritic structures indicating a propensity for self-assembly through tyrosine cross-linking. Forms intermolecular cross-links exclusively by pulcherosine (three Tyr). Scaffold formation requires an unobstructed C-terminus of EXT3. Required for the correct positioning of the cell plate during cytokinesis in cells of the developing embryo. Extensins contain a characteristic repeat of the pentapeptide Ser-Pro(4). For this particular extensin, a typical repeat of Ser-Pro(3) is found. (431 aa) | ||||
EXT1 | Extensin-1; Structural component which strengthens the primary cell wall; Belongs to the extensin family. (373 aa) |