FAM40A

Striatin interacting protein 1
Identifiers
Symbols STRIP1 ; FAM40A; FAR11A
External IDs MGI: 2443884 HomoloGene: 35064 GeneCards: STRIP1 Gene
Orthologs
Species Human Mouse
Entrez 85369 229707
Ensembl ENSG00000143093 ENSMUSG00000014601
UniProt Q5VSL9 Q8C079
RefSeq (mRNA) NM_001270768 NM_153563
RefSeq (protein) NP_001257697 NP_705791
Location (UCSC) Chr 1:
110.03 – 110.07 Mb
Chr 3:
107.61 – 107.63 Mb
PubMed search

Protein FAM40A is a protein that is located on chromosome 1 in humans and is encoded by the FAM40A gene.[1][2][3]

Characteristics and secondary structure

FAM40A has an isoelectric point of 5.92 and a molecular weight of 95,575 daltons.[4] It is predicted to have three transmembrane domains, making it a transmembrane protein.[5] FAM40A does not contain a signal peptide and is also predicted to bind to DNA, possibly making it a membrane protein in the nuclear membrane.[6][7]

Prediction of the orientation of the transmembrane domains of FAM40A

The secondary structure of FAM40A is predicted to contain twenty-six alpha helices and two beta sheets.[8] The 5' untranslated region of FAM40A is predicted to contain one stem-loop and the 3' untranslated region is predicted to contain eight stem-loop structures.[9] Two miRNAs are predicted to bind to two of the stem-loop structures present in the 3' UTR region.[10]

Homology

FAM40A has no paralogs. However, it does have orthologs stretching all the way back to yeast. It has been suggested that FAM40A is a homolog to the yeast gene FAR11, which is involved in the recovery from cell cycle arrest.[11][12]

The following table represents a small selection of orthologs found using searches in BLAST[13] and BLAT.[14] This is by no means a comprehensive list, however it does show the vast diversity of species where FAM40A orthologs are found.

Scientific Name Common Name Accession number (from NCBI [12]) Sequence Length Percent Identity Percent Similarity
Homo sapiens Human NP_149079 837 - -
Pongo abelii Sumatran orangutan XP_002810520 837 99.6% 100%
Sus scrofa Pig XP_003125904 837 98.8% 100%
Equus caballus Horse XP_001493762 837 98.8% 100%
Mus musculus Mouse NP_705791 837 98% 100%
Rattus norvegicus Rat XP_001068288 837 97.8% 100%
Monodelphis domestica Gray short-tailed opossum XP_001372588 843 95.4% 100%
Danio rerio Zebra fish XP_001918929 813 83.4% 98%
Canis lupus familiaris Dog From BLAT [14] 812 96.1% 100%
Ailuropoda melanoleuca Panda From BLAT [14] 823 96.2$ 100%
Oryzias latipes Medaka From BLAT [14] 751 78.4% 96%
Xenopus (Silurana) tropicalis Western clawed frog NP_001027483 819 86.4% 96%
Aedes aegypti Yellow-fever mosquito XP_001658692 829 51.2% 97%
Tribolium castaneum Red flour beetle XP_001815164 817 57.4% 97%
Hydra magnipapillata Hydra hydrozoan XP_002164866 830 44% 97%
Ciona intestinalis Sea squirt XP_002130558 867 46.4% 97%
Pediculus humanus corporis Human lice XP_002425964 808 52.7% 97%
Nasonia vitripennis Jewel wasp XP_001603859 802 52.7% 97%
Drosophila erecta Fruit fly XP_001971743 882 45.2% 97%
Saccharomyces cerevisiae Bakers yeast NP_014272 953 18.9% 97%

Expression

FAM40A is expressed in high levels during the blastocyst, eight-cell stage, and fetal stages of development.[15] FAM40A has also been shown to be expressed in high levels in the mammary glands, brain, thymus, mouth and the testes.[16] It has also been shown to be expressed in high levels in mammary gland tumors, leukemia cells, and germ cell tumors.[16]

Predicted FAM40A expression in different tissues of the body

Transcription Regulation

FAM40A is predicted to have a promoter region 789 base pairs upstream of the start of transcription.[17] The SOX transcription factors are predicted to bind to the promoter region of the FAM40A gene, possibly indicating a role in sex determination.[17]

Interactions

FAM40A has been shown to interact with RP6-213H19.1,[18] STRN,[18] PDCD10,[18] TRAF3IP3,[18] STRN3,[18] PPP2R1A,[18] MOBKL3,[18] CTTNBP2NL,[18] STK24[18][19] and PPP2CA.[18]

References

  1. Nagase T, Kikuno R, Hattori A, Kondo Y, Okumura K, Ohara O (Feb 2001). "Prediction of the coding sequences of unidentified human genes. XIX. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro". DNA Res 7 (6): 347–55. doi:10.1093/dnares/7.6.347. PMID 11214970.
  2. Kemp HA, Sprague GF Jr (Feb 2003). "Far3 and five interacting proteins prevent premature recovery from pheromone arrest in the budding yeast Saccharomyces cerevisiae". Mol Cell Biol 23 (5): 1750–63. doi:10.1128/MCB.23.5.1750-1763.2003. PMC 151714. PMID 12588993.
  3. "Entrez Gene: FAM40A family with sequence similarity 40, member A".
  4. pI/MW Tool
  5. Transmembrane domain prediction
  6. SignalP 3.0 Server
  7. SOSUI System
  8. Phyre v. 2.0
  9. RNA Folding Form
  10. miRBase
  11. Yeast Gene FAR11 from Saccharomyces Genome Database
  12. 1 2 National Center for Biotechnology Information (NCBI) Protein
  13. NCBI BLAST: Basic Local Alignment Search Tool
  14. 1 2 3 4 BLAT Search Genome
  15. European Bioinformatics Institute
  16. 1 2 EST Profile for FAM40A
  17. 1 2 Genomatix
  18. 1 2 3 4 5 6 7 8 9 10 Goudreault, Marilyn; D'Ambrosio Lisa M, Kean Michelle J, Mullin Michael J, Larsen Brett G, Sanchez Amy, Chaudhry Sidharth, Chen Ginny I, Sicheri Frank, Nesvizhskii Alexey I, Aebersold Ruedi, Raught Brian, Gingras Anne-Claude (Jan 2009). "A PP2A phosphatase high density interaction network identifies a novel striatin-interacting phosphatase and kinase complex linked to the cerebral cavernous malformation 3 (CCM3) protein". Mol. Cell Proteomics (United States) 8 (1): 157–71. doi:10.1074/mcp.M800266-MCP200. PMC 2621004. PMID 18782753. Cite uses deprecated parameter |coauthors= (help)
  19. Ewing, Rob M; Chu Peter, Elisma Fred, Li Hongyan, Taylor Paul, Climie Shane, McBroom-Cerajewski Linda, Robinson Mark D, O'Connor Liam, Li Michael, Taylor Rod, Dharsee Moyez, Ho Yuen, Heilbut Adrian, Moore Lynda, Zhang Shudong, Ornatsky Olga, Bukhman Yury V, Ethier Martin, Sheng Yinglun, Vasilescu Julian, Abu-Farha Mohamed, Lambert Jean-Philippe, Duewel Henry S, Stewart Ian I, Kuehl Bonnie, Hogue Kelly, Colwill Karen, Gladwish Katharine, Muskat Brenda, Kinach Robert, Adams Sally-Lin, Moran Michael F, Morin Gregg B, Topaloglou Thodoros, Figeys Daniel (2007). "Large-scale mapping of human protein-protein interactions by mass spectrometry". Mol. Syst. Biol. (England) 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931. Cite uses deprecated parameter |coauthors= (help)

Further reading

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