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- Table of Contents
Facts about Protein lin-28 homolog A.
'Translational enhancer' that compels specific mRNAs to polysomes and increases the efficiency of protein synthesis. Its association with the translational machinery and target mRNAs results in an increased number of initiation events per molecule of mRNA and, indirectly, in mRNA stabilization.
Human | |
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Gene Name: | LIN28A |
Uniprot: | Q9H9Z2 |
Entrez: | 79727 |
Belongs to: |
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lin-28 family |
CSDD1; CSDD1lin-28A; FLJ12457; lin-28 homolog (C. elegans); lin-28 homolog A (C. elegans); LIN28; LIN-28; LIN28A; LIN-28A; LIN28RNA-binding protein LIN-28; Tex17; ZCCHC1; ZCCHC1protein lin-28 homolog A; Zinc finger CCHC domain-containing protein 1; zinc finger, CCHC domain containing 1
Mass (kDA):
22.743 kDA
Human | |
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Location: | 1p36.11 |
Sequence: | 1; NC_000001.11 (26410778..26429728) |
Expressed in embryonic stem cells, placenta and testis. Tends to be up-regulated in HER2-overexpressing breast tumors.
Cytoplasm. Rough endoplasmic reticulum. Cytoplasm, P-body. Cytoplasm, Stress granule. Nucleus, nucleolus. Predominantly cytoplasmic (PubMed:22118463). In the cytoplasm, localizes to peri-endoplasmic reticulum regions and detected in the microsomal fraction derived from rough endoplasmic reticulum (RER) following subcellular fractionation. May be bound to the cytosolic surface of RER on which ER-associated mRNAs are translated (By similarity). Shuttle from the nucleus to the cytoplasm requires RNA-binding (PubMed:17617744). Nucleolar localization is observed in 10-15% of the nuclei in different
PMID: 12798299 by Moss E.G., et al. Conservation of the heterochronic regulator Lin-28, its developmental expression and microRNA complementary sites.
PMID: 15003116 by Sempere L.F., et al. Expression profiling of mammalian microRNAs uncovers a subset of brain-expressed microRNAs with possible roles in murine and human neuronal differentiation.