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词条 Atypical SLCs
释义

  1. Atypical MFS transport families

  2. Non-MFS transport families

  3. References

{{technical|date=August 2017}}Atypical SLCs are novel plausible secondary active or facilitative transansporter proteins that share ancestral background with the known solute carriers. However, they have not been assigned a name according to the SLC root system, or been classified into any of the existing SLC families.[1][2]

Atypical MFS transport families

Most ataypical SLCs are families within the major facilitator superfamily (MFS).[3] These atypical SLCs are plausible secondary active or facilitative transporter proteins that share ancestry with the known solute carriers.[1][2][4] They are, however, not named according to the SLC root system, or classified into any of the existing SLC families.[1] ATMFs are categorised based on their sequence similarity and phylogenetic closeness.[3]

AMTFFamily membersSLC family
AMTF1MFSD9, MFSD10,MFSD14A, MFSD14BSLC46
AMTF2MFSD8
AMTF3MFSD4A, MFSD4B
AMTF4CLN3
AMTF5MFSD7SLC49
AMTF6MFSD1, MFSD5
AMTF7MFSD12
AMTF8MFSD2A, MFSD2B
AMTF9SV2A, SV2B, SV2C, SVOP, SVOPLSLC22
AMTF10MFSD11, UNC93A, UNC93B1
AMTF11SPNS1, SPNS2, SPNS3
AMTF12MFSD13A
AMTF13MFSD6
AMTF14MFSD6L
AMTF15MFSD3

Some Atypical SLC of MFS type are: OCA2, CLN3, SPNS1, SPNS2, SPNS3, SV2A, SV2B, SV2C, SVOP, SVOPL, MFSD1, MFSD2A, MFSD2B, MFSD3, MFSD4A,[5] MFSD4B, MFSD5, MFSD6, MFSD6L, MFSD8, MFSD9,[5] MFSD10, MFSD11, MFSD12, MFSD13A, MFSD14A, MFSD14B, UNC93A[6] and UNC93B1. All these are ataypical SLCs found within the Major facilitator superfamily. Also TMEM104 (APC clan), OCA2 (IT clan) and CLN3 (having no clan) are atypical SLCs in humans.

Non-MFS transport families

Although most ataypical SLCs are from the major facilitator superfamily, there are exceptions: TMEM104 (APC superfamily), OCA2 (IT superfamily) and CLN3 (unknown superfamily).[1]

References

1. ^{{Cite journal|last=Perland|first=Emelie|last2=Fredriksson|first2=Robert|date=March 2017|title=Classification Systems of Secondary Active Transporters|journal=Trends in Pharmacological Sciences|volume=38|issue=3|pages=305–315|doi=10.1016/j.tips.2016.11.008|issn=1873-3735|pmid=27939446}}
2. ^{{Cite journal|last=Sreedharan|first=Smitha|last2=Stephansson|first2=Olga|last3=Schiöth|first3=Helgi B.|last4=Fredriksson|first4=Robert|date=2011-06-01|title=Long evolutionary conservation and considerable tissue specificity of several atypical solute carrier transporters|journal=Gene|volume=478|issue=1–2|pages=11–18|doi=10.1016/j.gene.2010.10.011|issn=1879-0038|pmid=21044875}}
3. ^{{Cite journal|last=Perland|first=Emelie|last2=Bagchi|first2=Sonchita|last3=Klaesson|first3=Axel|last4=Fredriksson|first4=Robert|date=2017-09-01|title=Characteristics of 29 novel atypical solute carriers of major facilitator superfamily type: evolutionary conservation, predicted structure and neuronal co-expression|journal=Open Biology|language=en|volume=7|issue=9|pages=170142|doi=10.1098/rsob.170142|pmid=28878041|pmc=5627054|issn=2046-2441}}
4. ^{{Cite journal|last=Höglund|first=Pär J.|last2=Nordström|first2=Karl J. V.|last3=Schiöth|first3=Helgi B.|last4=Fredriksson|first4=Robert|date=April 2011|title=The solute carrier families have a remarkably long evolutionary history with the majority of the human families present before divergence of Bilaterian species|journal=Molecular Biology and Evolution|volume=28|issue=4|pages=1531–1541|doi=10.1093/molbev/msq350|issn=1537-1719|pmc=3058773|pmid=21186191}}
5. ^{{Cite journal|last=Perland|first=Emelie|last2=Hellsten|first2=Sofie Victoria|last3=Schweizer|first3=Nadine|last4=Arapi|first4=Vasiliki|last5=Rezayee|first5=Fatemah|last6=Bushra|first6=Mona|last7=Fredriksson|first7=Robert|date=2017|title=Structural prediction of two novel human atypical SLC transporters, MFSD4A and MFSD9, and their neuroanatomical distribution in mice|journal=PLoS ONE|volume=12|issue=10|pages=e0186325|doi=10.1371/journal.pone.0186325|issn=1932-6203|pmid=29049335|pmc=5648162}}
6. ^{{Cite journal|last=Ceder|first=Mikaela M.|last2=Lekholm|first2=Emilia|last3=Hellsten|first3=Sofie V.|last4=Perland|first4=Emelie|last5=Fredriksson|first5=Robert|date=2017|title=The Neuronal and Peripheral Expressed Membrane-Bound UNC93A Respond to Nutrient Availability in Mice|journal=Frontiers in Molecular Neuroscience|language=English|volume=10|pages=351|doi=10.3389/fnmol.2017.00351|pmid=29163028|pmc=5671512|issn=1662-5099}}
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1 : Solute carrier family

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