There are approximately 40 known eukaryotic LIM proteins, so named for the LIM domains they contain. LIM domains are highly conserved cysteine-rich structures containing 2 zinc fingers. Although zinc fingers usually function by binding to DNA or RNA, the LIM motif probably mediates protein-protein interactions. LIM kinase-1 and LIM kinase-2 belong to a small subfamily with a unique combination of 2 N-terminal LIM motifs and a C-terminal protein kinase domain. LIMK1 is likely to be a component of an intracellular signaling pathway and may be involved in brain development. LIMK1 hemizygosity is implicated in the impaired visuospatial constructive cognition of Williams syndrome.
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Protein Aliases: EC 18.104.22.168; kinase LIMK1; KIZ-1; LIM domain kinase 1; lim kinase 1; LIM motif-containing protein kinase; LIM motif-containing protein kinase 1; LIM-domain containing protein kinase 1; LIM-domain containing, protein kinase 1; LIMK-1
Gene Aliases: KIZ-1; LIMK; LIMK-1; LIMK1