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MRPL12
Identifiers
Aliases	MRPL12, 5c5-2, L12mt, MRP-L31/34, MRPL7, MRPL7/L12, RPML12, mitochondrial ribosomal protein L12
External IDs	OMIM: 602375; MGI: 1926273; HomoloGene: 2212; GeneCards: MRPL12; OMA:MRPL12 - orthologs
Gene location (Human) Chr. Chromosome 17 (human) Band 17q25.3 Start 81,703,367 bp End 81,707,517 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in apex of heart mucosa of transverse colon left ventricle right auricle muscle of thigh right lobe of liver gastrocnemius muscle mucosa of esophagus human kidney skeletal muscle tissue n/a More reference expression data BioGPS More reference expression data
Gene ontology Molecular function structural constituent of ribosome protein binding RNA binding Cellular component mitochondrial inner membrane ribosome intracellular anatomical structure mitochondrial large ribosomal subunit mitochondrion Biological process positive regulation of transcription, DNA-templated mitochondrial transcription mitochondrial translational elongation mitochondrial translational termination protein biosynthesis Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 6182 56282 Ensembl ENSG00000262814 ENSMUSG00000039640 UniProt P52815 Q9DB15 RefSeq (mRNA) NM_002949 NM_027204 RefSeq (protein) NP_002940 NP_081480 Location (UCSC) Chr 17: 81.7 – 81.71 Mb n/a PubMed search
Wikidata
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39S ribosomal protein L12, mitochondrial is a protein that in humans is encoded by the MRPL12 gene.

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 which forms homodimers. In prokaryotic ribosomes, two L7/L12 dimers and one L10 protein form the L8 protein complex.

References

1. ^ GRCh38: Ensembl release 89: ENSG00000262814 – Ensembl, May 2017
2. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
3. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
4. Marty L, Fort P (Jun 1996). "A delayed-early response nuclear gene encoding MRPL12, the mitochondrial homologue to the bacterial translational regulator L7/L12 protein" (PDF). J Biol Chem. 271 (19): 11468–76. doi:10.1074/jbc.271.19.11468. PMID 8626705.
5. Marty L, Taviaux S, Fort P (Jul 1997). "Expression and human chromosomal localization to 17q25 of the growth-regulated gene encoding the mitochondrial ribosomal protein MRPL12". Genomics. 41 (3): 453–7. doi:10.1006/geno.1997.4691. PMID 9169145.
6. ^ "Entrez Gene: MRPL12 mitochondrial ribosomal protein L12".

Further reading

• Graack HR, Bryant ML, O'Brien TW (2000). "Identification of mammalian mitochondrial ribosomal proteins (MRPs) by N-terminal sequencing of purified bovine MRPs and comparison to data bank sequences: the large subribosomal particle". Biochemistry. 38 (50): 16569–77. doi:10.1021/bi991543s. PMID 10600119.
• Kenmochi N, Suzuki T, Uechi T, et al. (2001). "The human mitochondrial ribosomal protein genes: mapping of 54 genes to the chromosomes and implications for human disorders". Genomics. 77 (1–2): 65–70. doi:10.1006/geno.2001.6622. PMID 11543634.
• Koc EC, Burkhart W, Blackburn K, et al. (2001). "The large subunit of the mammalian mitochondrial ribosome. Analysis of the complement of ribosomal proteins present". J. Biol. Chem. 276 (47): 43958–69. doi:10.1074/jbc.M106510200. PMID 11551941.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Zhang Z, Gerstein M (2003). "Identification and characterization of over 100 mitochondrial ribosomal protein pseudogenes in the human genome". Genomics. 81 (5): 468–80. doi:10.1016/S0888-7543(03)00004-1. PMID 12706105.
• Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
• Andersen JS, Lam YW, Leung AK, et al. (2005). "Nucleolar proteome dynamics". Nature. 433 (7021): 77–83. Bibcode:2005Natur.433...77A. doi:10.1038/nature03207. PMID 15635413. S2CID 4344740.
• Stelzl U, Worm U, Lalowski M, et al. (2005). "A human protein-protein interaction network: a resource for annotating the proteome". Cell. 122 (6): 957–68. doi:10.1016/j.cell.2005.08.029. hdl:11858/00-001M-0000-0010-8592-0. PMID 16169070.
• Wang Z, Cotney J, Shadel GS (2007). "Human mitochondrial ribosomal protein MRPL12 interacts directly with mitochondrial RNA polymerase to modulate mitochondrial gene expression". J. Biol. Chem. 282 (17): 12610–8. doi:10.1074/jbc.M700461200. PMC 2606046. PMID 17337445.

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