Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes, where this ratio is reversed. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 39S subunit protein, a part of which was originally isolated by its ability to recognize tyrosinase in an HLA-A24-restricted fashion.
Background References
1. Yang Y. et. al. Characterization of TsMRP-L28, a mitochondrial ribosomal protein L28 from the parasitic nematode Trichinella spiralis. Gene. 2013 Jan
Western blot analysis of MRPL28 on different lysates with Rabbit anti-MRPL28 antibody (ET7111-30) at 1/2,000 dilution.
Lane 1: HEK-293 cell lysate Lane 2: SW620 cell lysate Lane 3: NIH/3T3 cell lysate Lane 4: 4T1 cell lysate Lane 5: Mouse kidney tissue lysate Lane 6: Rat kidney tissue lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 30 kDa Observed band size: 30 kDa
Exposure time: 6 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (ET7111-30) at 1/2,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
Western blot analysis of MRPL28 on zebrafish tissue lysates with Rabbit anti-MRPL28 antibody (ET7111-30) at 1/2,000 dilution.
Lysates/proteins at 10 µg/Lane. Exposure time: 3 minutes; ECL: K1801
Blocking: 5% NFDM/TBST, 1 hour at room temperature Primary antibody: ET7111-30, 1/2,000 in primary antibody dilution buffer (K1803), overnight at 4 ℃ Secondary antibody: Goat anti-Rabbit IgG-HRP (HA1001), 1/50,000 in 5% NFDM/TBST, 1 hour at room temperature
Predicted band size: 30 kDa Observed band size: 30 kDa
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