SMN2
survival of motor neuron 2, centromeric
Synonyms:
BCD541, C-BCD541, GEMIN1, SMNC, TDRD16B
Species:
UniProtKB ID:
Gene ID:
- Human(6607) Summary: This gene is part of a 500 kb inverted duplication on chromosome 5q13. This duplicated region contains at least four genes and repetitive elements which make it prone to rearrangements and deletions. The repetitiveness and complexity of the sequence have also caused difficulty in determining the organization of this genomic region. The telomeric and centromeric copies of this gene are nearly identical and encode the same protein. While mutations in the telomeric copy are associated with spinal muscular atrophy, mutations in this gene, the centromeric copy, do not lead to disease. This gene may be a modifier of disease caused by mutation in the telomeric copy. The critical sequence difference between the two genes is a single nucleotide in exon 7, which is thought to be an exon splice enhancer. Note that the nine exons of both the telomeric and centromeric copies are designated historically as exon 1, 2a, 2b, and 3-8. It is thought that gene conversion events may involve the two genes, leading to varying copy numbers of each gene. The full length protein encoded by this gene localizes to both the cytoplasm and the nucleus. Within the nucleus, the protein localizes to subnuclear bodies called gems which are found near coiled bodies containing high concentrations of small ribonucleoproteins (snRNPs). This protein forms heteromeric complexes with proteins such as SIP1 and GEMIN4, and also interacts with several proteins known to be involved in the biogenesis of snRNPs, such as hnRNP U protein and the small nucleolar RNA binding protein. Four transcript variants encoding distinct isoforms have been described. [provided by RefSeq, Sep 2008]
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Antibodies
Product Number
Description
Species Reactivity
Application
Anti-SMN2 antibody produced in mouse, purified immunoglobulin, buffered aqueous solution,
Species Reactivity
human
Application
immunofluorescence
western blot
western blot
Anti-SMN2 antibody produced in mouse, purified immunoglobulin, buffered aqueous solution,
Species Reactivity
human
Application
western blot
Monoclonal Anti-SMN2 antibody produced in mouse, clone 2B11-2A9, purified immunoglobulin, buffered aqueous solution,
Species Reactivity
human
Application
ELISA
immunofluorescence
immunohistochemistry
western blot
immunofluorescence
immunohistochemistry
western blot
Anti-SMN2 Antibody, clone SMN-KH, clone SMN-KH, from mouse,
Species Reactivity
human
Application
immunohistochemistry
western blot
western blot
Anti-SMN antibody, Mouse monoclonal, clone 2B1, purified from hybridoma cell culture,
Species Reactivity
xenopus, human, mouse
Application
microarray
western blot
western blot