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From Wikipedia, the free encyclopedia

LIMK2
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesLIMK2, LIM domain kinase 2
External IDsOMIM: 601988 MGI: 1197517 HomoloGene: 55911 GeneCards: LIMK2
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_016733
NM_001031801
NM_005569

NM_001034030
NM_010718
NM_173053
NM_001361623

RefSeq (protein)

NP_001026971
NP_005560
NP_057952

Location (UCSC)Chr 22: 31.21 – 31.28 MbChr 11: 3.29 – 3.36 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

LIM domain kinase 2 is an enzyme that in humans is encoded by the LIMK2 gene.[5][6][7]

Function

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. The protein encoded by this gene is phosphorylated and activated by ROCK, a downstream effector of Rho, and the encoded protein, in turn, phosphorylates cofilin, inhibiting its actin-depolymerizing activity. It is thought that this pathway contributes to Rho-induced reorganization of the actin cytoskeleton. At least three transcript variants encoding different isoforms have been found for this gene.[7]

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000182541 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000020451 - Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ Okano I, Hiraoka J, Otera H, Nunoue K, Ohashi K, Iwashita S, Hirai M, Mizuno K (Dec 1995). "Identification and characterization of a novel family of serine/threonine kinases containing two N-terminal LIM motifs". The Journal of Biological Chemistry. 270 (52): 31321–30. doi:10.1074/jbc.270.52.31321. PMID 8537403.
  6. ^ Dunham I, Shimizu N, Roe BA, Chissoe S, Hunt AR, Collins JE, Bruskiewich R, Beare DM, Clamp M, Smink LJ, Ainscough R, Almeida JP, Babbage A, Bagguley C, Bailey J, Barlow K, Bates KN, Beasley O, Bird CP, Blakey S, Bridgeman AM, Buck D, Burgess J, Burrill WD, O'Brien KP (Dec 1999). "The DNA sequence of human chromosome 22". Nature. 402 (6761): 489–95. Bibcode:1999Natur.402..489D. doi:10.1038/990031. PMID 10591208.
  7. ^ a b "Entrez Gene: LIMK2 LIM domain kinase 2".

Further reading

External links


This page was last edited on 3 December 2023, at 22:40
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