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- Table of Contents
Facts about SUN domain-containing protein 2.
As a component of the LINC (LInker of Nucleoskeleton and Cytoskeleton) complex, involved in the Link between the nuclear lamina and the cytoskeleton.
The nucleocytoplasmic interactions created by the LINC complex play an essential role in the transmission of mechanical forces across the nuclear envelope and in nuclear movement and positioning.Especially, SYNE2 and SUN2 build in arrays of transmembrane actin- associated nuclear (TAN) lines which are bound to F-actin cables and couple the nucleus to retrograde actin flow through actin- dependent nuclear movement. Required for interkinetic nuclear migration (INM) and necessary for nucleokinesis and centrosome- nucleus coupling during radial neuronal migration in the cerebral cortex and during glial migration.
Human | |
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Gene Name: | SUN2 |
Uniprot: | Q9UH99 |
Entrez: | 25777 |
Belongs to: |
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No superfamily |
FRIGG; KIAA0668; MGC133055; MGC133056; nuclear envelope protein; Protein unc-84 homolog B; Rab5-interacting protein; rab5IP; Sad1 and UNC84 domain containing 2; Sad1 unc-84 domain protein 2; Sad1/unc-84 protein-like 2; SUN domain-containing protein 2; unc-84 homolog B (C. elegans); unc-84 homolog B; UNC84B
Mass (kDA):
80.311 kDA
Human | |
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Location: | 22q13.1 |
Sequence: | 22; NC_000022.11 (38734727..38756014, complement) |
Widely expressed. Highly expressed in heart, lung and muscle. Weakly expressed in fetal heart. Slightly overexpressed in some heart tissues form patients with congenital heart defects.
Nucleus inner membrane; Single-pass type II membrane protein. Nucleus envelope. Endosome membrane; Single-pass type II membrane protein.
PMID: 10818110 by Hoffenberg S., et al. A novel membrane-anchored Rab5 interacting protein required for homotypic endosome fusion.
PMID: 17132086 by Wang Q., et al. Characterization of the structures involved in localization of the SUN proteins to the nuclear envelope and the centrosome.