MRPS18C (NM_016067) Human Mass Spec Standard

Specifications

Product Data
Description	MRPS18C MS Standard C13 and N15-labeled recombinant protein (NP_057151)
Species	Human
Expression Host	HEK293
Expression cDNA Clone or AA Sequence	RC202659
Predicted MW	15.8 kDa
Protein Sequence	Sequence Link (showhide) >RC202659 protein sequence Red=Cloning site Green=Tags(s) MAAVVAVCGGLGRKKLTHLVTAAVSLTHPGTHTVLWRRGCSQQVSSNEDLPISMENPYKEPLKKCILCGK HVDYKNVQLLSQFVSPFTGCIYGRHITGLCGKKQKEITKAIKRAQIMGFMPVTYKDPAYLKDPKVCNIRY RE TRTRPLEQKLISEEDLAANDILDYKDDDDKV
Tag	C-Myc/DDK
Purity	> 80% as determined by SDS-PAGE and Coomassie blue staining
Concentration	>0.05 µg/µL as determined by microplate BCA method
Labeling Method	Labeled with [U- 13C6, 15N4]-L-Arginine and [U- 13C6, 15N2]-L-Lysine
Buffer	25 mM Tris-HCl, 100 mM glycine, pH 7.3
Reference Data
RefSeq	NP_057151
RefSeq Size	1101
RefSeq ORF	426
Synonyms	CGI-134; MRP-S18-1; MRP-S18-c; MRPS18-1; mrps18-c; S18mt-c
Locus ID	51023
Cytogenetics	4q21.23
Summary	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 28S subunit protein that belongs to the ribosomal protein S18P family. The encoded protein is one of three that has significant sequence similarity to bacterial S18 proteins. The primary sequences of the three human mitochondrial S18 proteins are no more closely related to each other than they are to the prokaryotic S18 proteins. Pseudogenes corresponding to this gene are found on chromosomes 8p, 12p, 15q, and 22q. [provided by RefSeq, Jul 2008]

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