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"C19orf44 - Entry on Aceview". NCBI. Retrieved 2018-04-17.
C19orf44
[edit]Uncharacterized protein C19orf44 is a protein that in humans is encoded by the C19orf44 gene[1] that has uncharacterized function. C19orf44 is non-limiting implying that the protein (and gene) exists in other species besides human. The protein contains on domain of unknown function (DUF) that is highly conserved throughout its orthologs. This protein is most highly expressed in the testis and ovary,[2] but also has significant expression in the thyroid and parathyroid.[3] Other names for this protein include: LOC84167.[4]
Gene
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Position_of_C19orf44_on_chromosome_19.png/500px-Position_of_C19orf44_on_chromosome_19.png)
The entire gene is 25,416 base pairs in length[6], and has an unprocessed mRNA that is 3,446 nucleotides in length.[2] It contains 10 exons that code for a 657 amino acid protein. There are 7 splice variants that exist for C19orf44.[7]
Locus
[edit]C19orf44 is located on the nineteenth chromosome on 19p13.11.[2]
Protein
[edit]Primary Sequence
[edit]C19orf44 has a molecular weight of 71,343 Da,[5] and an isoelectric point of 5.52.[8] The amino acid sequence for C19orf44 was found to be serine rich using tools on EMBL-EBI.[9] Additionally, there is a domain of unknown function (DUF) located from amino acid 474 to 641.[10]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/25/C19orf44_Cartoon_Image.png/450px-C19orf44_Cartoon_Image.png)
Post-translational modifications
[edit]C19orf44 has experimentally determined phosphorylation sites at the S114 and S213 positions.[10] Other predicted post-translational modifications were found using tools on ExPASy[12] and are shown in the protein illustration to the right. N-terminal acetylation is predicted at S3. There is also a predicted sumoylation motif from amino acid 212 to 221.
Localization
[edit]C19orf44 is predicted to be localized in the nucleus or cytosol.[13]
Expression
[edit]C19orf44 is shown to be expressed at low levels in various tissues throughout the body as shown by NCBI's EST Profile.[14] It most highly expressed in the testis and ovary,[2] but also has significant expression in the thyroid and parathyroid.[3] C19orf44 is expressed in all stages of development, except for in infants. There is an increased expression of C19orf44 in a developing fetus.[14]
Homology and Evolution
[edit]Orthologs
[edit]Orthologs of C19orf44 have been found in most mammals and a select few other vertebrates and invertebrates. Multiple sequence alignments using ClustalW[15] provided evidence that the DUF in C19orf44 is highly conserved in its orthologs. The table below represents a small selection of the orthologs found using NCBI Blast.[16]
Genus and Species | Common Name | Accession Number (from NCBI[18]) | Divergence (MYA)[19] | Sequence Identity (%)[20] |
---|---|---|---|---|
Rhinopithecus roxellana | Golden Snub-nosed Monkey | XP_010359783.1 | 29 | 86.9 |
Orcinus orca | Killer Whale | XP_004277754.1 | 96 | 83.2 |
Sus scrofa | Wild Boar | XP_005661251.2 | 96 | 60.1 |
Monodelphis domestica | Opossum | XP_007489796.1 | 159 | 45.5 |
Chelonia mydas | Green Sea Turtle | XP_007072179.1 | 312 | 35.2 |
Astyanax mexicanus | Mexican Tetra | XP_007246256.2 | 435 | 28.2 |
Mizuhopecten yessoensis | Scallop | XP_021343742.1 | 797 | 24.4 |
Paralogs
[edit]There are no paralogs for C19orf44 in Homo sapiens.
Interacting Proteins
[edit]C19orf44 has been found to interact with various proteins from the two-hybrid screening method. Interactions with Hsp90 co-chaperone (CDC37),[21] and spermatid associated protein (SPERT)[22] have been found.
References
[edit]- ^ "C19orf44 Symbol Report | HUGO Gene Nomenclature Committee". www.genenames.org. Retrieved 2018-02-17.
- ^ a b c d "C19orf44 chromosome 19 open reading frame 44 [Homo sapiens (human)] - Gene - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2018-02-05.
- ^ a b "Tissue expression of C19orf44 - Summary - The Human Protein Atlas". www.proteinatlas.org. Retrieved 2018-05-06.
- ^ mieg@ncbi.nlm.nih.gov, Danielle Thierry-Mieg and Jean Thierry-Mieg, NCBI/NLM/NIH. "AceView: Gene:C19orf44, a comprehensive annotation of human, mouse and worm genes with mRNAs or ESTsAceView". www.ncbi.nlm.nih.gov. Retrieved 2018-02-05.
{{cite web}}
: CS1 maint: multiple names: authors list (link) - ^ a b Database, GeneCards Human Gene. "C19orf44 Gene - GeneCards | CS044 Protein | CS044 Antibody". www.genecards.org. Retrieved 2018-02-17.
- ^ "Homo sapiens chromosome 19 open reading frame 44 (C19orf44), transcrip - Nucleotide - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2018-02-05.
- ^ "C19orf44 - Entry on Aceview". NCBI. Retrieved 2018-04-17.
- ^ "ExPASy - Compute pI/Mw tool". web.expasy.org. Retrieved 2018-05-06.
- ^ EMBL-EBI. "SAPS < Sequence Statistics < EMBL-EBI". www.ebi.ac.uk. Retrieved 2018-05-06.
- ^ a b "uncharacterized protein C19orf44 isoform 1 [Homo sapiens] - Protein - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2018-02-17.
- ^ Liu, Wenzhong; Xie, Yubin; Ma, Jiyong; Luo, Xiaotong; Nie, Peng; Zuo, Zhixiang; Lahrmann, Urs; Zhao, Qi; Zheng, Yueyuan (2015-06-10). "IBS: an illustrator for the presentation and visualization of biological sequences: Fig. 1". Bioinformatics. 31 (20): 3359–3361. doi:10.1093/bioinformatics/btv362. ISSN 1367-4803. PMC 4595897. PMID 26069263.
- ^ "ExPASy: SIB Bioinformatics Resource Portal - Home". www.expasy.org. Retrieved 2018-05-06.
- ^ Horton, P.; Nakai, K. (1997). "Better prediction of protein cellular localization sites with the k nearest neighbors classifier". Proceedings. International Conference on Intelligent Systems for Molecular Biology. 5: 147–152. ISSN 1553-0833. PMID 9322029.
- ^ a b Group, Schuler. "EST Profile - Hs.631627". www.ncbi.nlm.nih.gov. Retrieved 2018-05-06.
{{cite web}}
:|last=
has generic name (help) - ^ "Multiple Sequence Alignment - CLUSTALW". www.genome.jp. Retrieved 2018-05-06.
- ^ "BLAST: Basic Local Alignment Search Tool". blast.ncbi.nlm.nih.gov. Retrieved 2018-05-06.
- ^ "Protein BLAST: search protein databases using a protein query". blast.ncbi.nlm.nih.gov. Retrieved 2018-02-25.
- ^ "National Center for Biotechnology Information". www.ncbi.nlm.nih.gov. Retrieved 2018-05-06.
- ^ "TimeTree :: The Timescale of Life". www.timetree.org. Retrieved 2018-02-25.
- ^ "Multiple Sequence Alignment - CLUSTALW". www.genome.jp. Retrieved 2018-02-25.
- ^ Vinayagam, Arunachalam; Stelzl, Ulrich; Foulle, Raphaele; Plassmann, Stephanie; Zenkner, Martina; Timm, Jan; Assmus, Heike E.; Andrade-Navarro, Miguel A.; Wanker, Erich E. (2011-09-06). "A directed protein interaction network for investigating intracellular signal transduction". Science Signaling. 4 (189): rs8. doi:10.1126/scisignal.2001699. ISSN 1937-9145. PMID 21900206. S2CID 7418133.
- ^ Rolland, Thomas; Taşan, Murat; Charloteaux, Benoit; Pevzner, Samuel J.; Zhong, Quan; Sahni, Nidhi; Yi, Song; Lemmens, Irma; Fontanillo, Celia (2014-11-20). "A proteome-scale map of the human interactome network". Cell. 159 (5): 1212–1226. doi:10.1016/j.cell.2014.10.050. ISSN 1097-4172. PMC 4266588. PMID 25416956.