Table 3.

Members of the SP family (family 1)

AbbreviationDescriptionPhylumaOrganismSize (no. of residues)Accession no.Data- baseb
AraE EcoArabinose-proton symporterBEscherichia coli472P09830SP
AraE KoxArabinose-proton symporterBKlebsiella oxytoca472P45598SP
GalP EcoGalactose-proton symporterBEscherichia coli464P37021SP
Glf ZmoGlucose facilitated diffusion proteinBZymomonas mobilis473P21906SP
Gtr SspGlucose transport proteinBSynechocystis sp.468P15729SP
Orf_f469 EcoPutative sugar transporterBEscherichia coli469U29579GB
Orf ZZ ShyPutative monosaccharide transporter (fragment)BStreptomyces hygroscopicus290X86780GB
XylE EcoXylose-proton symporterBEscherichia coli491P09098SP
YaaU EcoPutative sugar transporter (frameshift error?)BEscherichia coli220P31578SP
YfiG BsuPutative sugar transporterBBacillus subtilis482P54723SP
YncC BsuPutative sugar transporterBBacillus subtilis419U66480GB
YxbC BsuPutative sugar transporterBBacillus subtilis388P46333SP
YxdF BsuPutative sugar transporterBBacillus subtilis439P42417SP
YyaJ BsuSV2 homologBBacillus subtilis451P37514SP
Str SspSugar transporterArSulfolobus solfataricus423Y08256GB
Gtr1 LdoPutative glucose transporterPrLeishmania donovani547Q01440SP
Glut2 LdoPutative sugar transporterPrLeishmania donovani558Q01441SP
HT1 TviGlucose transporterPrTrypanosoma vivax543L47540GB
Pro-1 LdoPutative sugar transporterPrLeishmania donovani567P13865SP
TcrHT1 TcrHexose transporterPrTrypanosoma cruzi544U05588GB
Tht1E TbrGlucose transporter 1EPrTrypanosoma brucei brucei528Q09037SP
Tht2A TbrGlucose transporter 2APrTrypanosoma brucei brucei529Q06222SP
Tht2B TbrGlucose transporter 1B/1C/1D/1F/2BPrTrypanosoma brucei brucei527Q06221SP
Tht2C TbrGlucose transporter 2C (fragment)PrTrypanosoma brucei brucei337Q09039SP
Ag1 Sceα-Glucoside transporterYSaccharomyces cerevisiae617S59368GB
Gal2 SceGalactose transporterYSaccharomyces cerevisiae574P13181SP
Glu SspPutative glucose transporterYSaccharomycessp.518L21753GB
Hgt1 KlaHigh-affinity glucose transporterYKluyveromyces lactis551P49374SP
Hxt1 SceLow-affinity glucose transporterYSaccharomyces cerevisiae570P32465SP
Hxt2 SceHigh-affinity glucose transporterYSaccharomyces cerevisiae541P23585SP
Hxt3 SceLow-affinity glucose transporterYSaccharomyces cerevisiae567P32466SP
Hxt4 SceGlucose transporterYSaccharomyces cerevisiae576P32467SP
Hxt5 SceGlucose transporterYSaccharomyces cerevisiae592P38695SP
Hxt6 SceHexose transporterYSaccharomyces cerevisiae570P39003SP
Hxt7 SceHexose transporterYSaccharomyces cerevisiae570P39004SP
Hxt8 ScePutative hexose transporterYSaccharomyces cerevisiae569P40886SP
Hxt10 ScePutative hexose transporterYSaccharomyces cerevisiae546P43581SP
Hxt11 ScePutative hexose transporter; drug resistance?YSaccharomyces cerevisiae567P40885SP
Hxt13 ScePutative hexose transporterYSaccharomyces cerevisiae564P39924SP
Hxt14 ScePutative hexose transporterYSaccharomyces cerevisiae540P42833SP
Hxt16 ScePutative sugar transport proteinYSaccharomyces cerevisiae567P47185SP
Hxt17 ScePutative sugar transporterYSaccharomyces cerevisiae343Z71687GB
Itr1 Scemyo-Inositol transporter 1YSaccharomyces cerevisiae584P30605SP
Itr1 Spomyo-Inositol transporterYSaccharomyces pombe575X98622GB
Itr2 Scemyo-Inositol transporter 2YSaccharomyces cerevisiae612P30606SP
Kht2 KlaPutative hexose transporterYKluyveromyces marxianus566S51081PIR
Lac12 KlaLactose/galactose transporterYKluyveromyces lactis587P07921SP
Mal3T SceMaltose transporterYSaccharomyces cerevisiae614P38156SP
Mal6T SceMaltose transporterYSaccharomyces cerevisiae614P15685SP
Rag1 KlaLow-affinity glucose transporterYKluyveromyces lactis567P18631SP
Rgt2 SceHigh glucose sensorYSaccharomyces cerevisiae763X96876GB
YacI SpoPutative sugar transporterYSchizo saccharomyces pombe522Q10710SP
Ybr241c ScePutative sugar transporterYSaccharomyces cerevisiae488P38142SP
Yd1199c ScePutative sugar transporterYSaccharomyces cerevisiae687S58778PIR
Ydr387c ScePutative sugar transporterYSaccharomyces cerevisiae555U32274GB
Yfl040w ScePutative sugar transporterYSaccharomyces cerevisiae540P43562SP
Ygk4 ScePutative sugar transporterYSaccharomyces cerevisiae486Z72626GB
Yil170w ScePutative sugar transporterYSaccharomyces cerevisiae457P40441SP
Yjr160c ScePutative maltose transporterYSaccharomyces cerevisiae602P47186SP
Snf3 SceLow glucose sensorYSaccharomyces cerevisiae818P10870SP
Stl1 ScePutative sugar transporter Stl1YSaccharomyces cerevisiae569P39932SP
Rco3 NcrSugar transporterFNeurospora crassa594U54768GB
Qa-Y NcrQuinate transporterFNeurospora crassa537P11636SP
QutD EniQuinate transporterFEmericella nidulans533P15325SP
Glu2 SspPutative glucose transporter (fragment)PlSaccharum sp.287L21752GB
Hex6 RcoHexose transporterPlRicinus communis510L08188GB
Hup1 CkeHexose-proton symporterPlChorella kessleri533P15686SP
Hup2 CkeGalactose-proton symporterPlChorella kessleri540X66855GB
Hup3 CkeGlucose transporterPlChorella kessleri534S38435PIR
Int HvuPutative sugar transporterPlBeta vulgaris490U43629GB
Mst1 NtaMonosaccharide transport proteinPlNicotiana tabacum523S25015PIR
MtSt1 MtrPutative sugar transporterPlMedicago truncatula518U38651GB
Stc RcoSugar transporterPlRicinus communis523L08196GB
Stp1 AthGlucose transporterPlArabidopsis thaliana522P23586SP
Stp4 AthMonosaccharide transport proteinPlArabidopsis thaliana514S25009PIR
B0252 CelB0252.3 (putative organic cation transporter)AnCaenorhabditis elegans435U23453GB
C44C10.3 CelC44C10.3 (putative organic cation transporter)AnCaenorhabditis elegans404Z69787GB
C46C2.2 CelC46C2.2 (putative organic cation transporter)AnCaenorhabditis elegans517Z68296GB
C53B4.1 CelC53B4.1 (putative organic cation transporter)AnCaenorhabditis elegans517Z68215GB
F11D5 CelF11D5.4/F11D5.5 (putative sugar transporter-frameshift)AnCaenorhabditis elegans361/192U41532GB
F13B12.2 CelF13B12.2 (putative glucose transporter)AnCaenorhabditis elegans431Z70683GB
F14B8.3 CelPutative organic cation transporterAnCaenorhabditis elegans524U28737GB
F14E5.1 CelF14E5.1 (putative sugar transporter)AnCaenorhabditis elegans466Z66522GB
F14E5.1 CelF14E5.1 (putative glucose transporter)AnCaenorhabditis elegans493Z66522GB
F23F12.5 CelPutative organic cation transporterAnCaenorhabditis elegans751P46501SP
F48E3 CelF48E3.2 (putative glucose transporter)AnCaenorhabditis elegans488U28735GB
F53H8 CelSimilar to glucose transporterAnCaenorhabditis elegans569U41023GB
Glu DmePutative glucose transporterAnDrosophila melanogaster507U31961GB
Glut1 BtaGlucose transporter type 1, erythrocyteAnBos taurus492P27674SP
Glut1 GgaGlucose transporter type 1, erythrocyteAnGallus gallus490P46896SP
Glut1 HsaGlucose transporter type 1, erythrocyteAnHomo sapiens492P11166SP
Glut1 MmuGlucose transporter type 1, erythrocyteAnMus musculus492P17809SP
Glut1 OcuGlucose transporter type 1, erythrocyteAnOryctolagus cuniculus492P13355SP
Glut1 RnoGlucose transporter type 1, erythrocyteAnRattus norvegicus492P11167SP
Glut1 SscGlucose transporter type 1, erythrocyteAnSus scrofa451P20303SP
Glut2 GgaGlucose transporterAnGallus gallus533S37476PIR
Glut2 HsaGlucose transporter type 2, liverAnHomo sapiens524P11168SP
Glut2 MmuGlucose transporter type 2, liverAnMus musculus523P14246SP
Glut2 RnoGlucose transporter type 2, liverAnRattus norvegicus522P12336SP
Glut3 CfaGlucose transporter type 3, brainAnCanis familiaris495P47842SP
Glut3 GgaGlucose transporter type 3, brainAnGallus gallus496P28568SP
Glut3 HsaGlucose transporter type 3, brainAnHomo sapiens496P11169SP
Glut3 MmuGlucose transporter type 3, brainAnMus musculus493P32037SP
Glut3 OarGlucose transporter type 3, brainAnOvis aries494P47843SP
Glut3 RnoGlucose transporter type 3, brainAnRattus norvegicus493Q07647SP
Glut4 HsaGlucose transporter type 4, insulinAnHomo sapiens509P14672SP
Glut4 MmuGlucose transporter type 4, insulinAnMus musculus510P14142SP
Glut4 RnoGlucose transporter type 4, insulinAnRattus norvegicus509P19357SP
Glut5 HsaFructose transporterAnHomo sapiens501P22732SP
Glut5 OcuGlucose transporter type 5, small intestineAnOryctolagus cuniculus486P46408SP
Glut5 RnoGlucose transporter type 5, small intestineAnRattus norvegicus502P43427SP
Glut7 RnoGlucose transporter type 7, hepaticAnRattus norvegicus528Q00712SP
GT2 MmuGlucose transporterAnMus musculus508B30310PIR
GTP1 TsoGlucose transporterAnTaenia solium510U39197GB
K05F1 CelK05F1.6 (putative organic cation transporter)AnCaenorhabditis elegans745U29377GB
K09C4 CelPutative glucose transporterAnCaenorhabditis elegans520U43375GB
Ksp MmuPutative organic cation transporterAnMus musculus545U52842GB
M01F1 CelM01F1.5 (putative hexose transporter)AnCaenorhabditis elegans628Z46381GB
Nit RnoPutative organic cation transporterAnRattus norvegicus514L27651GB
Oct-1 RnoOrganic cation transporterAnRattus norvegicus556X78855GB
Oct-2 RnoOrganic cation transporterAnRattus norvegicus593D83045GB
SGTP1 SmaGlucose transporterAnSchistosoma mansoni521A53153GB
SGTP2 SmaGlucose transporterAnSchistosoma mansoni489B53153PIR
SGTP4 SmaGlucose transporterAnSchistosoma mansoni505C53153PIR
SV2 RnoSV2 synaptic vesicle proteinAnRattus norvegicus742S27263PIR
SV2 RnoSynaptic vesicle protein 2AnRattus norvegicus742Q02563SP
T05A1.5 CelT05A1.5 (putative organic cation transporter)AnCaenorhabditis elegans498Z68219GB
T05A1.7 CelT05A1.7 (putative organic cation transporter)AnCaenorhabditis elegans251Z68219GB
ZK455.8 CelZK455.8 (putative organic cation transporter)AnCaenorhabditis elegans447Z66567GB
ZK563 CelZK563.1 (fragment)AnCaenorhabditis elegans>357U40061GB
ZK637.1 CelPutative organic cation transporterAnCaenorhabditis elegans536P30638SP
ZK829.9 CelZK829.9 (putative glucose transporter)AnCaenorhabditis elegans351Z73899GB
ZK892.3 CelZK892.3 (putative organic cation transporter)AnCaenorhabditis elegans541Z48638GB
  • a B, bacterium; Ar, archaea; Pr, protozoan; Y, yeast; F, fungus; Pl, plant; An, animal.

  • b SP, SwissProt; GB, GenBank; PIR, Protein Information Resource.