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产品描述
*The optimal dilutions should be determined by the end user.
*Tips:
WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.
引用格式: Affinity Biosciences Cat# AF3345, RRID:AB_2834760.
展开/折叠
EC 2.7.11.1; LIM domain kinase 1; LIM motif-containing protein kinase; LIMK; LIMK-1; limk1; LIMK1_HUMAN;
抗原和靶标
Highest expression in both adult and fetal nervous system. Detected ubiquitously throughout the different regions of adult brain, with highest levels in the cerebral cortex. Expressed to a lesser extent in heart and skeletal muscle.
- P53667 LIMK1_HUMAN:
- Protein BLAST With
- NCBI/
- ExPASy/
- Uniprot
MRLTLLCCTWREERMGEEGSELPVCASCGQRIYDGQYLQALNADWHADCFRCCDCSASLSHQYYEKDGQLFCKKDYWARYGESCHGCSEQITKGLVMVAGELKYHPECFICLTCGTFIGDGDTYTLVEHSKLYCGHCYYQTVVTPVIEQILPDSPGSHLPHTVTLVSIPASSHGKRGLSVSIDPPHGPPGCGTEHSHTVRVQGVDPGCMSPDVKNSIHVGDRILEINGTPIRNVPLDEIDLLIQETSRLLQLTLEHDPHDTLGHGLGPETSPLSSPAYTPSGEAGSSARQKPVLRSCSIDRSPGAGSLGSPASQRKDLGRSESLRVVCRPHRIFRPSDLIHGEVLGKGCFGQAIKVTHRETGEVMVMKELIRFDEETQRTFLKEVKVMRCLEHPNVLKFIGVLYKDKRLNFITEYIKGGTLRGIIKSMDSQYPWSQRVSFAKDIASGMAYLHSMNIIHRDLNSHNCLVRENKNVVVADFGLARLMVDEKTQPEGLRSLKKPDRKKRYTVVGNPYWMAPEMINGRSYDEKVDVFSFGIVLCEIIGRVNADPDYLPRTMDFGLNVRGFLDRYCPPNCPPSFFPITVRCCDLDPEKRPSFVKLEHWLETLRMHLAGHLPLGPQLEQLDRGFWETYRRGESGLPAHPEVPD
种属预测
score>80的预测可信度较高，可尝试用于WB检测。*预测模型主要基于免疫原序列比对，结果仅作参考，不作为质保凭据。
High(score>80) Medium(80>score>50) Low(score<50) No confidence
翻译修饰 - P53667 作为底物
| Site | PTM Type | Enzyme | Source |
|---|---|---|---|
| S58 | Phosphorylation | Uniprot | |
| S210 | Phosphorylation | Uniprot | |
| K214 | Ubiquitination | Uniprot | |
| T229 | Phosphorylation | Uniprot | |
| T253 | Phosphorylation | Uniprot | |
| T270 | Phosphorylation | Uniprot | |
| S274 | Phosphorylation | Uniprot | |
| S286 | Phosphorylation | Uniprot | |
| S287 | Phosphorylation | Uniprot | |
| S296 | Phosphorylation | Uniprot | |
| S298 | Phosphorylation | Uniprot | |
| S302 | Phosphorylation | Uniprot | |
| S307 | Phosphorylation | O14965 (AURKA) | Uniprot |
| S310 | Phosphorylation | Q16539 (MAPK14) | Uniprot |
| S313 | Phosphorylation | Uniprot | |
| R320 | Methylation | Uniprot | |
| S323 | Phosphorylation | P49137 (MAPKAPK2) | Uniprot |
| S337 | Phosphorylation | Uniprot | |
| K368 | Ubiquitination | Uniprot | |
| T508 | Phosphorylation | Q9NQU5 (PAK6) , Q13464 (ROCK1) , Q13153 (PAK1) , Q16566 (CAMK4) , O14965 (AURKA) | Uniprot |
| S534 | Phosphorylation | Uniprot | |
| S637 | Phosphorylation | Uniprot |
翻译修饰 - P53667 作为激酶
研究背景
Serine/threonine-protein kinase that plays an essential role in the regulation of actin filament dynamics. Acts downstream of several Rho family GTPase signal transduction pathways. Activated by upstream kinases including ROCK1, PAK1 and PAK4, which phosphorylate LIMK1 on a threonine residue located in its activation loop. LIMK1 subsequently phosphorylates and inactivates the actin binding/depolymerizing factors cofilin-1/CFL1, cofilin-2/CFL2 and destrin/DSTN, thereby preventing the cleavage of filamentous actin (F-actin), and stabilizing the actin cytoskeleton. In this way LIMK1 regulates several actin-dependent biological processes including cell motility, cell cycle progression, and differentiation. Phosphorylates TPPP on serine residues, thereby promoting microtubule disassembly. Stimulates axonal outgrowth and may be involved in brain development.
Has a dominant negative effect on actin cytoskeletal changes. Required for atypical chemokine receptor ACKR2-induced phosphorylation of cofilin (CFL1).
Autophosphorylated. Phosphorylated on Thr-508 by ROCK1 and PAK1, resulting in activation. Phosphorylated by PAK4 which increases the ability of LIMK1 to phosphorylate cofilin. Phosphorylated at Ser-323 by MAPKAPK2 during activation of VEGFA-induced signaling, which results in activation of LIMK1 and promotion of actin reorganization, cell migration, and tubule formation of endothelial cells. Dephosphorylated and inactivated by SSH1. Phosphorylated by CDC42BP.
Ubiquitinated. 'Lys-48'-linked polyubiquitination by RNF6 leads to proteasomal degradation through the 26S proteasome, modulating LIMK1 levels in the growth cone and its effect on axonal outgrowth. Also polyubiquitinated by RLIM (By similarity).
Cytoplasm. Nucleus. Cytoplasm>Cytoskeleton. Cell projection>Lamellipodium.
Note: Predominantly found in the cytoplasm. Localizes in the lamellipodium in a CDC42BPA, CDC42BPB and FAM89B/LRAP25-dependent manner.
Highest expression in both adult and fetal nervous system. Detected ubiquitously throughout the different regions of adult brain, with highest levels in the cerebral cortex. Expressed to a lesser extent in heart and skeletal muscle.
Interacts (via LIM domain) with the cytoplasmic domain of NRG1. Interacts with NISCH. Interacts with RLIM and RNF6 (By similarity). Self-associates to form homodimers. Interacts with HSP90AA1; this interaction promotes LIMK1 dimerization and subsequent transphosphorylation. Interacts with CDKN1C. Interacts with SSH1. Interacts with ROCK1. Interacts (via LIM zinc-binding domains) with FAM89B/LRAP25 (via LRR repeat). Forms a tripartite complex with CDC42BPA, CDC42BPB and FAM89B/LRAP25 (By similarity).
Belongs to the protein kinase superfamily. TKL Ser/Thr protein kinase family.
研究领域
· Cellular Processes > Cell motility > Regulation of actin cytoskeleton. (View pathway)
· Organismal Systems > Development > Axon guidance. (View pathway)
· Organismal Systems > Immune system > Fc gamma R-mediated phagocytosis. (View pathway)
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