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- Table of Contents
Facts about PDZ and LIM domain protein 4.
In nonmuscle cells, binds to ACTN1 (alpha- actinin-1), increases the affinity of ACTN1 to F-actin (filamentous actin), and promotes formation of actin stress fibers. Involved in regulation of the synaptic AMPA receptor transfer in dendritic spines of hippocampal pyramidal neurons directing the receptors toward an insertion at the postsynaptic membrane.
Human | |
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Gene Name: | PDLIM4 |
Uniprot: | P50479 |
Entrez: | 8572 |
Belongs to: |
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No superfamily |
LIM domain protein; LIM protein RIL; PDZ and LIM domain 4; PDZ and LIM domain protein 4; Reversion-induced LIM protein; RILenigma homolog
Mass (kDA):
35.398 kDA
Human | |
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Location: | 5q31.1 |
Sequence: | 5; NC_000005.10 (132257658..132273454) |
Isoform 2 is found in brain.
[Isoform 1]: Cytoplasm, cytoskeleton. Nucleus. Cytoplasm. Cytoplasm, perinuclear region. Cell projection, lamellipodium. Cell projection, dendritic spine. Early endosome membrane; Peripheral membrane protein; Cytoplasmic side. Recycling endosome membrane; Peripheral membrane protein; Cytoplasmic side. Cell junction, synapse, synaptosome. Localizes to actin stress fibers in nonmuscle cells. Colocalizes with GRIA1 in early endosomes. Enriched in numerous but not all spine-like structures along dendritic branches. Colocalizes with actin and enriched at sites containing larger amounts of actin and
PMID: 9573374 by Bashirova A.A., et al. The human RIL gene: mapping to human chromosome 5q31.1, genomic organization and alternative transcripts.
PMID: 10826496 by Cuppen E., et al. The zyxin-related protein TRIP6 interacts with PDZ motifs in the adaptor protein RIL and the protein tyrosine phosphatase PTP-BL.