| TMEM260 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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| Aliases | TMEM260 , C14orf101, transmembrane protein 260, SHDRA | ||||||||||||||||||||||||||||||||||||||||||||||||||
| External IDs | OMIM: 617449 MGI: 2443219 HomoloGene: 49506 GeneCards: TMEM260 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Wikidata | |||||||||||||||||||||||||||||||||||||||||||||||||||
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TMEM260 is a protein that in humans is encoded by the TMEM260 gene. The function of TMEM260 is not yet clearly understood. [5] TMEM260 is also known as UPF0679, c14orf101, and FLJ0392. [6]
TMEM260 is located on band 22.3 on the small arm of human chromosome 14. The genomic sequence begins at 56,955,072 bp and ends at 57,117,324 bp on chromosome 14. The gene's genomic size is 162,253 bp. The mRNA size for TMEM260 is 4,278 bp. and made up of 15 exons. [6]
There are four other genes in the neighborhood of TMEM260. Two genes lie upstream of TMEM260, including LINC00520, which is the long intergenic non-protein coding RNA gene 520 gene, and PELI2 which is the pellino E3 ubiquitin protein ligase family member 2 gene. Downstream lies one pseudogene, RPL36AP1, and a gene OTX2, which is the orthodenticle homeobox 2 gene. [7]
TMEM260 contains one conserved domain, DUF2723. The domain DUF2723 is conserved back to bacteria and its function is not known.
TMEM260 is conserved throughout many species. Orthologs can be found throughout all Eukaryotes, Viridiplantae, Fungi, Protists, Bacteria and Eubacteria. No paralogs have yet been found. [8]
There are two known isoforms for TMEM260 which produced by alternative splicing. Their uniprot IDs are Q9NX78-1 and Q9NX78-2. Isoform 1 consists of all 707 amino acids in the entire protein sequence, which is made up of 15 exons. Isoform 2 is spliced at amino acid 286 with the 3’ end truncated so that it contains only the first 7 exons in the sequence. It weighs only 30,707 Da. [6]
The protein TMEM260 consists of 707 amino acids with a predicted molecular weight of 79,536 Da. The protein has an isoelectric point of 8.4. TMEM260 is a multi-pass membrane protein which includes 8 helical transmembrane domains. [5] [6]
The amino acid sequence for TMEM260 is highly conserved in mammals, having around 86% to 100% sequence similarity. Birds, frogs, and lizards also have a high degree of similarity to the human TMEM260 sequence with similarities between 76% and 83%. Fish have between 56% and 66% sequence similarity. Algae have around 52% sequence similarity while diatoms have only 39%. Though mammals contain a very high degree of sequence similarity and other animals show a fairly high degree of sequence similarity, other species such as algae, diatoms, and bacteria have gaps and 3’ end truncations. The segment of the TMEM260 sequence that is highly conserved in organisms as far back as algae, diatoms, and bacteria is the conserved domain DUF2723. [9] [10]
| Genus and species name | Common name | Protein Accession Number [9] | Sequence length (amino acids) [9] | Sequence identity to human protein [9] | Sequence similarity to human protein [9] |
|---|---|---|---|---|---|
| Homo sapiens | Humans | NP_060269 | 707 | ||
| Pan troglodytes | Chimpanzee | XP_522861 | 707 | 99% | 99% |
| Canis familiaris | Dog | XP_003930546 | 707 | 91% | 95% |
| Loxodonta africana | Elephant | XP_00340871 | 707 | 90% | 94% |
| Mus musculus | Mouse | NP_76188 | 707 | 82% | 90% |
| Ornithorhynchus Anatinus | Platypus | XP_001520783 | 549 | 75% | 86% |
| Taeniopygia guttata | Zebra finch | XP_00200425 | 705 | 71% | 83% |
| Xenopus tropicalis | Frog | XP _002933788 | 687 | 66% | 81% |
| Anolis carolinensis | Lizard | XP_003228513 | 730 | 65% | 76% |
| Danio rerio | Zebra fish | XP_688103 | 740 | 48% | 66% |
| Guillardia theta | Alga | EKX49772 | 733 | 36% | 52% |
| Thalassiosira pseudonana | Diatom | XP_972174.2 | 716 | 25% | 39% |
The TMEM260 protein undergoes several different kinds of post translational modifications. These include N-terminal Acetylation, N-Glycosylation, and Phosphorylation. [11]
Transmembrane protein 8B is a protein that in humans is encoded by the TMEM8B gene. It encodes for a transmembrane protein that is 338 amino acids long, and is located on human chromosome 9. Aliases associated with this gene include C9orf127, NAG-5, and NGX61.
Transmembrane protein 53, or TMEM53, is a protein that is encoded on chromosome 1 in humans. It has no paralogs but is predicted to have many orthologs across eukaryotes.
Tetratricopeptide repeat 39A is a human protein encoded by the TTC39A gene. TTC39A is also known as DEME-6, KIAA0452, and c1orf34. The function of TTC39A is currently not well understood. The main feature within tetratricopeptide repeat 39A is the domain of unknown function 3808 (DUF3808), spanning almost the entire protein. KIAA0452 can also be seen as an isoform of TTC39A because of differences in genome sequence, but overlap in DUF domain.
TMEM69, also known as Transmembrane protein 69, is a protein that in humans is encoded by the TMEM69 gene. A notable feature of the protein encoded by TMEM69 is the presence of five transmembrane segments.
Transmembrane protein 131-like, alternatively named uncharacterized protein KIAA0922, is an integral transmembrane protein encoded by the human gene KIAA0922 that is significantly conserved in eukaryotes, at least through protists. Although the function of this gene is not yet fully elucidated, initial microarray evidence suggests that it may be involved in immune responses. Furthermore, its paralog, prolyl endopeptidase (PREP) whose function is known, provides clues as to the function of TMEM131L.
Protein FAM214A, also known as protein family with sequence similarity 214, A (FAM214A) is a protein that, in humans, is encoded by the FAM214A gene. FAM214A is a gene with unknown function found at the q21.2-q21.3 locus on Chromosome 15 (human). The protein product of this gene has two conserved domains, one of unknown function (DUF4210) and another one called Chromosome_Seg. Although the function of the FAM214A protein is uncharacterized, both DUF4210 and Chromosome_Seg have been predicted to play a role in chromosome segregation during meiosis.
Transmembrane protein 134 is a protein encoded by the TMEM134 gene. TMEM134 does not have any other known aliases. There are two transmembrane domains and a domain of unknown function (DUF872). Evolutionary, the majority of the organisms that have this gene are primates and mammals, although there are some organisms dating back to Drosophila and C. elegans. Through current research, there has not been any confirmed function of TMEM134.
TMEM143 is a protein that in humans is encoded by TMEM143 gene. TMEM143, a dual-pass protein, is predicted to reside in the mitochondria and high expression has been found in both human skeletal muscle and the heart. Interaction with other proteins indicate that TMEM143 could potentially play a role in tumor suppression/expression and cancer regulation.
Transmembrane and coiled-coil domain 6, TMCO6, is a protein that in humans is encoded by the TMCO6 gene with aliases of PRO1580, HQ1580 or FLJ39769.1.
TMEM249 is a protein that in humans is encoded by the C8orfk29 gene.
GPATCH11 is a protein that in humans is encoded by the G-patch domain containing protein 11 gene. The gene has four transcript variants encoding two functional protein isoforms and is expressed in most human tissues. The protein has been found to interact with several other proteins, including two from a splicing pathway. In addition, GPATCH11 has orthologs in all taxa of the eukarya domain.
PROSER1 is a protein that in humans is encoded by the PROSER1 gene.
Transmembrane protein 254 is a transmembrane protein that is encoded by the TMEM254 gene, it is predicted to have many orthologs across eukaryotes.
Family with Sequence Similarity 155 Member B is a protein in humans that is encoded by the FAM155B gene. It belongs to a family of proteins whose function is not yet well understood by the scientific community. It is a transmembrane protein that is highly expressed in the heart, thyroid, and brain.
TMEM275 is a protein that in humans is encoded by the TMEM275 gene. TMEM275 has two, highly-conserved, helical trans-membrane regions. It is predicted to reside within the plasma membrane or the endoplasmic reticulum's membrane.
C2orf74, also known as LOC339804, is a protein encoding gene located on the short arm of chromosome 2 near position 15 (2p15). Isoform 1 of the gene is 19,713 base pairs long. C2orf74 has orthologs in 135 different species, including primarily placental mammals and some marsupials.
Transmembrane protein 101 (TMEM101) is a protein that in humans is encoded by the TMEM101 gene. The TMEM101 protein has been demonstrated to activate the NF-κB signaling pathway. High levels of expression of TMEM101 have been linked to breast cancer.
Family with sequence 98, member C or FAM98C is a gene that encodes for FAM98C has two aliases FLJ44669 and hypothetical protein LOC147965. FAM98C has two paralogs in humans FAM98A and FAM98B. FAM98C can be characterized for being a Leucine-rich protein. The function of FAM98C is still not defined. FAM98C has orthologs in mammals, reptiles, and amphibians and has a distant orhtologs in Rhinatrema bivittatum and Nanorana parkeri.
Family with Sequence Similarity 166, member C (FAM166C), is a protein encoded by the FAM166C gene. The protein FAM166C is localized in the nucleus. It has a calculated molecular weight of 23.29 kDa. It also contains DUF2475, a protein of unknown function from amino acid 19–85. The FAM166C protein is nominally expressed in the testis, stomach, and thyroid.
Transmembrane protein 248, also known as C7orf42, is a gene that in humans encodes the TMEM248 protein. This gene contains multiple transmembrane domains and is composed of seven exons.TMEM248 is predicted to be a component of the plasma membrane and be involved in vesicular trafficking. It has low tissue specificity, meaning it is ubiquitously expressed in tissues throughout the human body. Orthology analyses determined that TMEM248 is highly conserved, having homology with vertebrates and invertebrates. TMEM248 may play a role in cancer development. It was shown to be more highly expressed in cases of colon, breast, lung, ovarian, brain, and renal cancers.
