NP_001012321.1
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NCBI GenBank Nucleotide #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
32,854 Da
NCBI Official Full Name
40S ribosomal protein SA
NCBI Official Synonym Full Names
ribosomal protein SA
NCBI Official Synonym Symbols
SA; LBP; LRP; p40; 67LR; ICAS; lamR; 37LRP; LAMBR; LAMR1; LRP/LR; LBP/p40; NEM/1CHD4 [Similar Products]
NCBI Protein Information
40S ribosomal protein SA; 37 kDa laminin receptor; 67 kDa laminin receptor; 37/67 kDa laminin receptor; laminin-binding protein precursor p40; colon carcinoma laminin-binding protein; laminin receptor 1 (67kD, ribosomal protein SA); multidrug resistance-associated protein MGr1-Ag
UniProt Protein Name
40S ribosomal protein SA
UniProt Synonym Protein Names
37 kDa laminin receptor precursor; 37LRP; 37/67 kDa laminin receptor; LRP/LR; 67 kDa laminin receptor; 67LR; Colon carcinoma laminin-binding protein; Laminin receptor 1; LamR; Laminin-binding protein precursor p40; LBP/p40; Multidrug resistance-associated protein MGr1-Ag; NEM/1CHD4
UniProt Synonym Gene Names
UniProt Entry Name
RSSA_HUMAN
NCBI Summary for RPSA
Laminins, a family of extracellular matrix glycoproteins, are the major noncollagenous constituent of basement membranes. They have been implicated in a wide variety of biological processes including cell adhesion, differentiation, migration, signaling, neurite outgrowth and metastasis. Many of the effects of laminin are mediated through interactions with cell surface receptors. These receptors include members of the integrin family, as well as non-integrin laminin-binding proteins. This gene encodes a high-affinity, non-integrin family, laminin receptor 1. This receptor has been variously called 67 kD laminin receptor, 37 kD laminin receptor precursor (37LRP) and p40 ribosome-associated protein. The amino acid sequence of laminin receptor 1 is highly conserved through evolution, suggesting a key biological function. It has been observed that the level of the laminin receptor transcript is higher in colon carcinoma tissue and lung cancer cell line than their normal counterparts. Also, there is a correlation between the upregulation of this polypeptide in cancer cells and their invasive and metastatic phenotype. Multiple copies of this gene exist, however, most of them are pseudogenes thought to have arisen from retropositional events. Two alternatively spliced transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2008]
UniProt Comments for RPSA
RPSA: Required for the assembly and/or stability of the 40S ribosomal subunit. Required for the processing of the 20S rRNA- precursor to mature 18S rRNA in a late step of the maturation of 40S ribosomal subunits. Also functions as a cell surface receptor for laminin. Plays a role in cell adhesion to the basement membrane and in the consequent activation of signaling transduction pathways. May play a role in cell fate determination and tissue morphogenesis. Acts as a PPP1R16B-dependent substrate of PPP1CA. Also acts as a receptor for several other ligands, including the pathogenic prion protein, viruses, and bacteria. Belongs to the ribosomal protein S2P family.
Protein type: Ribosomal
Chromosomal Location of Human Ortholog: 3p22.2
Cellular Component: membrane; cytoplasm; plasma membrane; nucleus; cytosol
Molecular Function: protein binding; structural constituent of ribosome; laminin binding; laminin receptor activity; ribosome binding
Biological Process: SRP-dependent cotranslational protein targeting to membrane; translation; viral reproduction; endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA); viral infectious cycle; translational termination; rRNA export from nucleus; translational elongation; cellular protein metabolic process; mRNA catabolic process, nonsense-mediated decay; translational initiation; ribosomal small subunit assembly and maintenance; viral transcription; gene expression; endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA); cell adhesion
Disease: Asplenia, Isolated Congenital
Research Articles on RPSA
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Pathways associated with RPSA elisa kit
Diseases associated with RPSA elisa kit
Organs/Tissues associated with RPSA elisa kit
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