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GTR3_PIG
ID   GTR3_PIG                Reviewed;         493 AA.
AC   O62787;
DT   16-NOV-2001, integrated into UniProtKB/Swiss-Prot.
DT   03-JUL-2019, sequence version 2.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Solute carrier family 2, facilitated glucose transporter member 3 {ECO:0000305};
DE   AltName: Full=Glucose transporter type 3, brain {ECO:0000303|Ref.2};
DE            Short=GLUT-3 {ECO:0000303|Ref.2};
GN   Name=SLC2A3 {ECO:0000250|UniProtKB:P11169};
GN   Synonyms=GLUT3 {ECO:0000303|Ref.2};
OS   Sus scrofa (Pig).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Suina; Suidae; Sus.
OX   NCBI_TaxID=9823;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RG   Porcine genome sequencing project;
RL   Submitted (NOV-2009) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 127-227.
RA   Canty J.M., Young R.F., Fallavollita J.A.;
RL   Submitted (MAR-1998) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Facilitative glucose transporter that can also mediate the
CC       uptake of various other monosaccharides across the cell membrane.
CC       Mediates the uptake of glucose, 2-deoxyglucose, galactose, mannose,
CC       xylose and fucose, and probably also dehydroascorbate. Does not mediate
CC       fructose transport. {ECO:0000250|UniProtKB:P11169}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-glucose(out) = D-glucose(in); Xref=Rhea:RHEA:60376,
CC         ChEBI:CHEBI:4167; Evidence={ECO:0000250|UniProtKB:P11169};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-galactose(in) = D-galactose(out); Xref=Rhea:RHEA:34915,
CC         ChEBI:CHEBI:4139; Evidence={ECO:0000250|UniProtKB:P11169};
CC   -!- ACTIVITY REGULATION: Deoxyglucose transport is inhibit by D-glucose, D-
CC       galactose and maltose. Galactose transport is inhibited by D-glucose
CC       and maltose. {ECO:0000250|UniProtKB:P11169}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250|UniProtKB:P11169};
CC       Multi-pass membrane protein {ECO:0000250|UniProtKB:P11169}. Perikaryon
CC       {ECO:0000250|UniProtKB:Q07647}. Cell projection
CC       {ECO:0000250|UniProtKB:Q07647}. Note=Localized to densely spaced
CC       patches along neuronal processes. {ECO:0000250|UniProtKB:Q07647}.
CC   -!- DOMAIN: Transport is mediated via a series of conformation changes,
CC       switching between a conformation where the substrate-binding cavity is
CC       accessible from the outside, and a another conformation where it is
CC       accessible from the cytoplasm. {ECO:0000250|UniProtKB:P11169}.
CC   -!- SIMILARITY: Belongs to the major facilitator superfamily. Sugar
CC       transporter (TC 2.A.1.1) family. Glucose transporter subfamily.
CC       {ECO:0000305}.
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DR   EMBL; AEMK02000036; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; AF054836; AAC12738.1; -; mRNA.
DR   RefSeq; XP_013843858.1; XM_013988404.1.
DR   AlphaFoldDB; O62787; -.
DR   SMR; O62787; -.
DR   STRING; 9823.ENSSSCP00000023008; -.
DR   Ensembl; ENSSSCT00005072670; ENSSSCP00005045458; ENSSSCG00005044935.
DR   Ensembl; ENSSSCT00015102834; ENSSSCP00015042761; ENSSSCG00015075953.
DR   Ensembl; ENSSSCT00070025348; ENSSSCP00070021004; ENSSSCG00070012874.
DR   InParanoid; O62787; -.
DR   Reactome; R-SSC-189200; Cellular hexose transport.
DR   Reactome; R-SSC-196836; Vitamin C (ascorbate) metabolism.
DR   Reactome; R-SSC-6798695; Neutrophil degranulation.
DR   Proteomes; UP000008227; Unplaced.
DR   Proteomes; UP000314985; Chromosome 1.
DR   GO; GO:0042995; C:cell projection; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; ISS:UniProtKB.
DR   GO; GO:0005887; C:integral component of plasma membrane; ISS:UniProtKB.
DR   GO; GO:0016020; C:membrane; IBA:GO_Central.
DR   GO; GO:0043204; C:perikaryon; IEA:UniProtKB-SubCell.
DR   GO; GO:0055056; F:D-glucose transmembrane transporter activity; ISS:UniProtKB.
DR   GO; GO:0005354; F:galactose transmembrane transporter activity; ISS:UniProtKB.
DR   GO; GO:0005536; F:glucose binding; ISS:UniProtKB.
DR   GO; GO:0005355; F:glucose transmembrane transporter activity; ISS:UniProtKB.
DR   GO; GO:0015149; F:hexose transmembrane transporter activity; IBA:GO_Central.
DR   GO; GO:0070837; P:dehydroascorbic acid transport; IBA:GO_Central.
DR   GO; GO:0015757; P:galactose transmembrane transport; ISS:UniProtKB.
DR   GO; GO:0046323; P:glucose import; IBA:GO_Central.
DR   GO; GO:1904659; P:glucose transmembrane transport; ISS:UniProtKB.
DR   GO; GO:0015749; P:monosaccharide transmembrane transport; IBA:GO_Central.
DR   Gene3D; 1.20.1250.20; -; 1.
DR   InterPro; IPR002945; Glc_transpt_3.
DR   InterPro; IPR045263; GLUT.
DR   InterPro; IPR020846; MFS_dom.
DR   InterPro; IPR005828; MFS_sugar_transport-like.
DR   InterPro; IPR036259; MFS_trans_sf.
DR   InterPro; IPR003663; Sugar/inositol_transpt.
DR   InterPro; IPR005829; Sugar_transporter_CS.
DR   PANTHER; PTHR23503; PTHR23503; 1.
DR   Pfam; PF00083; Sugar_tr; 1.
DR   PRINTS; PR01192; GLUCTRSPORT3.
DR   PRINTS; PR00171; SUGRTRNSPORT.
DR   SUPFAM; SSF103473; SSF103473; 1.
DR   TIGRFAMs; TIGR00879; SP; 1.
DR   PROSITE; PS50850; MFS; 1.
DR   PROSITE; PS00216; SUGAR_TRANSPORT_1; 1.
DR   PROSITE; PS00217; SUGAR_TRANSPORT_2; 1.
PE   2: Evidence at transcript level;
KW   Cell membrane; Cell projection; Glycoprotein; Membrane; Phosphoprotein;
KW   Reference proteome; Sugar transport; Transmembrane; Transmembrane helix;
KW   Transport.
FT   CHAIN           1..493
FT                   /note="Solute carrier family 2, facilitated glucose
FT                   transporter member 3"
FT                   /id="PRO_0000050355"
FT   TOPO_DOM        1..10
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        11..32
FT                   /note="Helical; Name=1"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        33..64
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        65..85
FT                   /note="Helical; Name=2"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        86..90
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        91..111
FT                   /note="Helical; Name=3"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        112..118
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        119..142
FT                   /note="Helical; Name=4"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        143..153
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        154..174
FT                   /note="Helical; Name=5"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        175..183
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        184..204
FT                   /note="Helical; Name=6"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        205..269
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        270..290
FT                   /note="Helical; Name=7"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        291..304
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        305..325
FT                   /note="Helical; Name=8"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        326..331
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        332..352
FT                   /note="Helical; Name=9"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        353..363
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        364..389
FT                   /note="Helical; Name=10"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        390..399
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        400..420
FT                   /note="Helical; Name=11"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        421..429
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000305"
FT   TRANSMEM        430..450
FT                   /note="Helical; Name=12"
FT                   /evidence="ECO:0000250|UniProtKB:P11169, ECO:0000255"
FT   TOPO_DOM        451..493
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000305"
FT   REGION          277..279
FT                   /note="Important for selectivity against fructose"
FT                   /evidence="ECO:0000250|UniProtKB:P11169"
FT   BINDING         159
FT                   /ligand="D-glucose"
FT                   /ligand_id="ChEBI:CHEBI:4167"
FT                   /evidence="ECO:0000250|UniProtKB:P11169"
FT   BINDING         280..281
FT                   /ligand="D-glucose"
FT                   /ligand_id="ChEBI:CHEBI:4167"
FT                   /evidence="ECO:0000250|UniProtKB:P11169"
FT   BINDING         286
FT                   /ligand="D-glucose"
FT                   /ligand_id="ChEBI:CHEBI:4167"
FT                   /evidence="ECO:0000250|UniProtKB:P11169"
FT   BINDING         315
FT                   /ligand="D-glucose"
FT                   /ligand_id="ChEBI:CHEBI:4167"
FT                   /evidence="ECO:0000250|UniProtKB:P11169"
FT   BINDING         378
FT                   /ligand="D-glucose"
FT                   /ligand_id="ChEBI:CHEBI:4167"
FT                   /evidence="ECO:0000250|UniProtKB:P11169"
FT   BINDING         386
FT                   /ligand="D-glucose"
FT                   /ligand_id="ChEBI:CHEBI:4167"
FT                   /evidence="ECO:0000250|UniProtKB:P11169"
FT   MOD_RES         232
FT                   /note="Phosphothreonine"
FT                   /evidence="ECO:0000250|UniProtKB:P32037"
FT   MOD_RES         485
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q07647"
FT   CARBOHYD        43
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        358
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CONFLICT        221
FT                   /note="R -> N (in Ref. 2; AAC12738)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   493 AA;  53963 MW;  EFA7526762D215E3 CRC64;
     MGTAKVTTPL VFAITIATIG SFQFGYNTGV INAPEAIIKD FLNNTLREKS KSMPSEVLLT
     SLWSLSVAIF SVGGMIGSFS VGLFVNRFGR RNSMLIVNLL AITGGCLMGF CKISRSVEML
     ILGRLVIGLF CGLCTGFVPM YIGEISPTAL RGAFGTLNQL GIVIGILVAQ IFGLKLILGT
     ELLWPLLLGF TIIPAVLQCA ALPFCPESPR FLLINRKEEE RAKEILQRLW GTQDVAQDIQ
     EMKDESLRMA QEKKVTVLEL FRAPNYRQPI IISIMLQLSQ QLSGINAVFY YSTGIFKDAG
     VQEPIYATIG AGVVNTIFTV VSLFLVERAG RRTLHLIGLG GMAFCSLLMT ISLLLKDNHT
     WMSFICIGAI LVFVAFFEIG PGPIPWFIVA ELFGQGPRPA AMAVAGCSNW TSNFLVGLLF
     PSAAFYLGAY VFIVFTCFLV VFWVFTFFKV PETRGRTFEE ITRAFEVQVP AGSRAEKGPI
     VEMSSIPPSK DAV
 
 
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