Score = 57.4 bits (137), Expect = 3e-08, Method: Compositional matrix adjust.
Identities = 29/67 (43%), Positives = 45/67 (67%), Gaps = 5/67 (7%)
Query: 24 LWEHWKKFELRSPTGKAIGIIMGLMTFQRFSGVSALIYYTVDIFRNAGTRIAPSTASIIV 83
+ E +K+ L K + I +GLM FQ+FSG++A+I+YTV IF++AG+ I + +IIV
Sbjct: 625 MLELFKRINL-----KPLSISLGLMFFQQFSGINAVIFYTVQIFKDAGSTIDSNLCTIIV 679
Query: 84 GAVQVFS 90
G V F+
Sbjct: 680 GIVNFFA 686
Low-capacity facilitative transporter for trehalose. Does not transport maltose, sucrose or lactose. Mediates the bidirectional transfer of trehalose. Responsible for the transport of trehalose synthesized in the fat body and the incorporation of trehalose into other tissues that require a carbon source, thereby regulating trehalose levels in the hemolymph. Drosophila simulans (taxid: 7240)
Score = 55.1 bits (131), Expect = 1e-07, Method: Compositional matrix adjust.
Identities = 25/48 (52%), Positives = 37/48 (77%)
Query: 39 KAIGIIMGLMTFQRFSGVSALIYYTVDIFRNAGTRIAPSTASIIVGAV 86
K + I +GLM FQ+FSG++A+I+YTV IF++AG+ I + +IIVG V
Sbjct: 634 KPLSISLGLMFFQQFSGINAVIFYTVQIFKDAGSTIDGNVCTIIVGVV 681
Low-capacity facilitative transporter for trehalose. Does not transport maltose, sucrose or lactose. Mediates the bidirectional transfer of trehalose. Responsible for the transport of trehalose synthesized in the fat body and the incorporation of trehalose into other tissues that require a carbon source, thereby regulating trehalose levels in the hemolymph.
Score = 53.1 bits (126), Expect = 5e-07, Method: Compositional matrix adjust.
Identities = 24/53 (45%), Positives = 37/53 (69%)
Query: 39 KAIGIIMGLMTFQRFSGVSALIYYTVDIFRNAGTRIAPSTASIIVGAVQVFSN 91
K + I +GLM FQ+ SG++A+I+YTV IF++AG+ I + +IIVG V +
Sbjct: 644 KPLSISLGLMFFQQLSGINAVIFYTVSIFKDAGSTIDGNVCTIIVGVVNFLAT 696
Low-capacity facilitative transporter for trehalose. Does not transport maltose, sucrose or lactose. Mediates the bidirectional transfer of trehalose. Responsible for the transport of trehalose synthesized in the fat body and the incorporation of trehalose into other tissues that require a carbon source, thereby regulating trehalose levels in the hemolymph.
Score = 52.8 bits (125), Expect = 6e-07, Method: Compositional matrix adjust.
Identities = 24/52 (46%), Positives = 37/52 (71%)
Query: 39 KAIGIIMGLMTFQRFSGVSALIYYTVDIFRNAGTRIAPSTASIIVGAVQVFS 90
K + I +GLM FQ+ SG++A+I+YTV IF++AG+ I + +IIVG V +
Sbjct: 634 KPLSISLGLMFFQQLSGINAVIFYTVQIFKDAGSTIDGNICTIIVGVVNFLA 685
Low-capacity facilitative transporter for trehalose. Does not transport maltose, sucrose or lactose. Mediates the bidirectional transfer of trehalose. Responsible for the transport of trehalose synthesized in the fat body and the incorporation of trehalose into other tissues that require a carbon source, thereby regulating trehalose levels in the hemolymph.
Score = 52.8 bits (125), Expect = 6e-07, Method: Compositional matrix adjust.
Identities = 28/64 (43%), Positives = 42/64 (65%), Gaps = 5/64 (7%)
Query: 23 KLWEHWKKFELRSPTGKAIGIIMGLMTFQRFSGVSALIYYTVDIFRNAGTRIAPSTASII 82
K+ E K+ L K + I +GLM FQ+ SG++A+I+YTV IF++AG+ I + +II
Sbjct: 678 KMLELLKRSNL-----KPLSISLGLMFFQQLSGINAVIFYTVQIFQDAGSTIDGNVCTII 732
Query: 83 VGAV 86
VG V
Sbjct: 733 VGVV 736
Low-capacity facilitative transporter for trehalose. Does not transport maltose, sucrose or lactose. Mediates the bidirectional transfer of trehalose. Responsible for the transport of trehalose synthesized in the fat body and the incorporation of trehalose into other tissues that require a carbon source, thereby regulating trehalose levels in the hemolymph.
Score = 52.8 bits (125), Expect = 7e-07, Method: Compositional matrix adjust.
Identities = 25/54 (46%), Positives = 38/54 (70%)
Query: 33 LRSPTGKAIGIIMGLMTFQRFSGVSALIYYTVDIFRNAGTRIAPSTASIIVGAV 86
L+ K + I +GLM FQ+ SG++A+I+YTV IF++AG+ I + +IIVG V
Sbjct: 635 LKRSNLKPLSISLGLMFFQQLSGINAVIFYTVQIFQDAGSTIDGNVCTIIVGVV 688
Low-capacity facilitative transporter for trehalose. Does not transport maltose, sucrose or lactose. Mediates the bidirectional transfer of trehalose. Responsible for the transport of trehalose synthesized in the fat body and the incorporation of trehalose into other tissues that require a carbon source, thereby regulating trehalose levels in the hemolymph.
Low-capacity facilitative transporter for trehalose. Does not transport maltose, sucrose or lactose. Mediates the bidirectional transfer of trehalose. Responsible for the transport of trehalose synthesized in the fat body and the incorporation of trehalose into other tissues that require a carbon source, thereby regulating trehalose levels in the hemolymph.
Drosophila grimshawi (taxid: 7222)
Close Homologs in the Non-Redundant Database Detected by BLAST
This model represent the sugar porter subfamily of the major facilitator superfamily (pfam00083) [Transport and binding proteins, Carbohydrates, organic alcohols, and acids]. Length = 481
>PF00083 Sugar_tr: Sugar (and other) transporter; InterPro: IPR005828 Recent genome-sequencing data and a wealth of biochemical and molecular genetic investigations have revealed the occurrence of dozens of families of primary and secondary transporters
Two such families have been found to occur ubiquitously in all classifications of living organisms. These are the ATP-binding cassette (ABC) superfamily and the major facilitator superfamily (MFS), also called the uniporter-symporter-antiporter family. While ABC family permeases are in general multicomponent primary active transporters, capable of transporting both small molecules and macromolecules in response to ATP hydrolysis the MFS transporters are single-polypeptide secondary carriers capable only of transporting small solutes in response to chemiosmotic ion gradients. Although well over 100 families of transporters have now been recognised and classified, the ABC superfamily and MFS account for nearly half of the solute transporters encoded within the genomes of microorganisms. They are also prevalent in higher organisms. The importance of these two families of transport systems to living organisms can therefore not be overestimated []. The MFS was originally believed to function primarily in the uptake of sugars but subsequent studies revealed that drug efflux systems, Krebs cycle metabolites, organophosphate:phosphate exchangers, oligosaccharide:H1 symport permeases, and bacterial aromatic acid permeases were all members of the MFS. These observations led to the probability that the MFS is far more widespread in nature and far more diverse in function than had been thought previously. 17 subgroups of the MFS have been identified []. Evidence suggests that the MFS permeases arose by a tandem intragenic duplication event in the early prokaryotes. This event generated a 2-transmembrane-spanner (TMS) protein topology from a primordial 6-TMS unit. Surprisingly, all currently recognised MFS permeases retain the two six-TMS units within a single polypeptide chain, although in 3 of the 17 MFS families, an additional two TMSs are found []. Moreover, the well-conserved MFS specific motif between TMS2 and TMS3 and the related but less well conserved motif between TMS8 and TMS9 [] prove to be a characteristic of virtually all of the more than 300 MFS proteins identified.; GO: 0022857 transmembrane transporter activity, 0055085 transmembrane transport, 0016021 integral to membrane
