Transmembrane protein 175 | |||||||||
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Identifiers | |||||||||
Symbol | TMEM175 | ||||||||
Pfam | PF06736 | ||||||||
InterPro | IPR010617 | ||||||||
TCDB | 1.A.78 | ||||||||
OPM superfamily | 467 | ||||||||
OPM protein | 5vre | ||||||||
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Transmembrane protein 175 | |||||||
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Identifiers | |||||||
Symbol | TMEM175 | ||||||
Alt. symbols | MGC4618 | ||||||
NCBI gene | 84286 | ||||||
HGNC | 28709 | ||||||
RefSeq | NM_032326 | ||||||
UniProt | Q9BSA9 | ||||||
Other data | |||||||
Locus | Chr. 4 p16.3 | ||||||
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Transmembrane protein 175, or TMEM175, is a transmembrane protein that is thought to be an endolysosomal potassium channel. It is predicted to have many orthologs across eukaryotes.
Based on human and mouse EST profiles and a human tissue GEO profile, TMEM175 appears to be expressed at a relatively high level (75-98%) in normal tissues. [1] [2] TMEM175 appears to be down regulated in stage three ovarian cancer. [3]
Transmembrane protein 175 has no paralogs. It does have orthologs within eukaryotes. The following table presents some of the orthologs found using searches in BLAST [4] and BLAT. [5] This list does not contain all of the orthologs for TMEM175. It is meant to display the diversity of species for which orthologs are found.
Scientific name | Common Name | Accession Number | Sequence Length | Percent Identity | Percent Similarity |
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Homo Sapiens | Human | NP_115702.1 | 504 | - | - |
Pan troglodytes | Chimp | XP_001141076 | 504 | 92 | 93 |
Pongo abelii | Orangutan | XP_002814537 | 231 | 99 | 99 |
Macaca mulatta | Rhesus | XP_001085173.1 | 403 | 96 | 98 |
Callithrix jacchus | Marmoset | XP_002746113.1 | 472 | 83 | 87 |
Bos taurus | Cow | NP_001069081.1 | 479 | 77 | 82 |
Ailuropoda melanoleuca | Panda | XP_002924455.1 | 498 | 81 | 87 |
Equus caballus | Horse | XP_001488271.1 | 499 | 81 | 86 |
Rattus norvegicus | Rat | NP_001014013.1 | 499 | 82 | 88 |
Mus musculus | Mouse | NP_082499.3 | 499 | 81 | 88 |
Monodelphis domestica | Opossum | XP_001377424.1 | 502 | 67 | 80 |
Ornithorhynchus anatinus | Platypus | XP_001514176 | 499 | 68 | 82 |
Gallus gallus | Chicken | NP_001006582.1 | 501 | 64 | 78 |
Sceloporus occidentalis | Lizard | - | 417 | 56 | 66 |
Taeniopygia guttata | Zebra Finch | XP_002187908.1 | 496 | 66 | 79 |
Danio rerio | Zebra Fish | NP_001093545.1 | 520 | 62 | 76 |
Branchiostoma floridae | Lancelet | XP_002596272 | 409 | 31 | 50 |
Ciona intestinalis | Sea Squirt | XP_002122718 | 494 | 27 | 50 |
Nematostella vectensis | Starlet Sea Anemone | XP_001630719 | 489 | 28 | 49 |
Using various tools at ExPASy [6] the following are possible post-translational modifications for TMEM175.
The N-myristoylation sites are conserved in vertebrates.
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.
Coiled-coil domain-containing protein 135, also known as CCDC135, is a protein that in humans is encoded by the CCDC135 gene.
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.
Uncharacterized LOC644249 gene., also known as RP11-195B21.3, is about 1058 base pairs long and is found in Homo sapiens on chromosome 9q12. More specifically, the sequence is located on Chromosome: 9; NC_000009.11(67977457..67987991 bp). This gene’s protein product is the “coiled-coil domain-containing protein 29” which is 291 amino acids long and may contain a conserved domain in the superfamily, pfam 12001. In particular, this conserved domain contains the domain of unknown function DUF3496 which is about 110 amino acids long, functionally uncharacterized, and found in eukaryotes. Other possible motifs for the protein product exist but the DUF3496 remains the most likely. This protein may play a role as a transmembrane protein.
Transmembrane protein 251, also known as C14orf109 or UPF0694, is a protein that in humans is encoded by the TMEM251 gene. One notable feature of this protein is the presence of proline residues on one of its predicted transmembrane domains., which is a determinant of the intramitochondrial sorting of inner membrane proteins.
Transmembrane protein 268 is a protein that in humans is encoded by TMEM268 gene. The protein is a transmembrane protein of 342 amino acids long with eight alternative splice variants. The protein has been identified in organisms from the common fruit fly to primates. To date, there has been no protein expression found in organisms simpler than insects.
C9orf135 is a gene that encodes a 229 amino acid protein. It is located on Chromosome 9 of the Homo sapiens genome at 9q12.21. The protein has a transmembrane domain from amino acids 124-140 and a glycosylation site at amino acid 75. C9orf135 is part of the GRCh37 gene on Chromosome 9 and is contained within the domain of unknown function superfamily 4572. Also, c9orf135 is known by the name of LOC138255 which is a description of the gene location on Chromosome 9.1.
FAM210B is a gene that which in Homo sapiens encodes the protein FAM210B. It has been conserved throughout evolutionary history, and is highly expressed in multiple tissues within the human body. FAM210B's primary location is the endoplasmic reticulum.
Family with sequence similarity 221 member A is a protein in humans that is encoded by the FAM221A gene. FAM221A is a gene that is not yet well understood by the scientific community. However, it appears that this gene may have a role in Parkinson's disease and prostate cancer.
Transmembrane Protein 217 is a protein encoded by the gene TMEM217. TMEM217 has been found to have expression correlated with the lymphatic system and endothelial tissues and has been predicted to have a function linked to the cytoskeleton.
Transmembrane protein 254 is a transmembrane protein that is encoded by the TMEM254 gene, it is predicted to have many orthologs across eukaryotes.
Zinc Finger Protein 800 or ZNF800 is a protein that in humans is encoded by the ZNF800 gene. The specific function of ZNF800 is not yet well understood by the scientific community.
TMEM44 is a protein that in humans is encoded by the TMEM44 gene. DKFZp686O18124 is a synonym of TMEM44.
Chromosome 19 open reading frame 44 is a protein that in humans is encoded by the C19orf44 gene. C19orf44 is an uncharacterized protein with an unknown function in humans. C19orf44 is non-limiting implying that the protein exists in other species besides human. The protein contains one domain of unknown function (DUF) that is highly conserved throughout its orthologs. This protein is most highly expressed in the testis and ovary, but also has significant expression in the thyroid and parathyroid. Other names for this protein include: LOC84167.
Transmembrane protein 151A, also known as TMEM151A, is a protein that is encoded by the TMEM151A gene.
Transmembrane protein 125 is a protein that, in humans, is encoded by the TMEM125 gene. It has 4 transmembrane domains and is expressed in the lungs, thyroid, pancreas, intestines, spinal cord, and brain. Though its function is currently poorly understood by the scientific community, research indicates it may be involved in colorectal and lung cancer networks. Additionally, it was identified as a cell adhesion molecule in oligodendrocytes, suggesting it may play a role in neuron myelination.
Transmembrane protein 179 is a protein that in humans is encoded by the TMEM179 gene. The function of transmembrane protein 179 is not yet well understood, but it is believed to have a function in the nervous system.
C22orf23 is a protein which in humans is encoded by the C22orf23 gene. Its predicted secondary structure consists of alpha helices and disordered/coil regions. It is expressed in many tissues and highest in the testes and it is conserved across many orthologs.
C4orf36 is a protein that in humans is encoded by the c4orf36 gene.
Transmembrane protein 104 (TMEM104) is a protein that in humans is encoded by the TMEM104 gene. The aliases of TMEM104 are FLJ00021 and FLJ20255. Humans have a 163,255 base pair long gene coding sequence, 4703 base pair long mRNA, and 496 amino acid long protein sequence. In Eukaryotes, the TMEM104 gene is conserved.