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(-) Description

Title :  HOMOLOGY MODEL OF THE FACILITATIVE GLUCOSE TRANSPORTER I (GLUT1)
 
Authors :  A. Salas-Burgos, P. Iserovich, F. Zuniga, J. C. Vera, J. Fischbarg
Date :  26 Mar 04  (Deposition) - 26 Oct 04  (Release) - 19 Apr 05  (Revision)
Method :  THEORETICAL MODEL
Resolution :  NOT APPLICABLE
Chains :  Theor. Model :  A
Keywords :  12-Helical, Mfs Transmembrane Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. Salas-Burgos, P. Iserovich, F. Zuniga, J. C. Vera, J. Fischbarg
Predicting The Three-Dimensional Structure Of The Human Facilitative Glucose Transporter Glut1 By A Novel Evolutionary Homology Strategy: Insights On The Molecular Mechanism Of Substrate Migration, And Binding Sites For Glucose And Inhibitory Molecules
Biophys. J. V. 87 2990 2004
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SOLUTE CARRIER FAMILY 2, FACILITATIVE GLUCOSE TRANSPORTER, MEMBER 1
    ChainsA
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    SynonymGLUCOSE TRANSPORTER TYPE 1, ERYTHROCYTE/BRAIN, HEPG2 GLUCOSE TRANSPORTER

 Structural Features

(-) Chains, Units

  
Theoretical Model 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1SUK)

(-) Sites  (0, 0)

(no "Site" information available for 1SUK)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1SUK)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1SUK)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (49, 49)

Theoretical Model (49, 49)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_054755N34IGTR1_HUMANDisease (GLUT1DS2)80359812AN34I
02UniProtVAR_054756N34SGTR1_HUMANDisease (GLUT1DS1)  ---AN34S
03UniProtVAR_065206N34YGTR1_HUMANDisease (GLUT1DS1)  ---AN34Y
04UniProtVAR_076226R51HGTR1_HUMANUnclassified (EIG12)201815571AR51H
05UniProtVAR_076227T60MGTR1_HUMANUnclassified (EIG12)142986731AT60M
06UniProtVAR_013283S66FGTR1_HUMANDisease (GLUT1DS1)80359813AS66F
07UniProtVAR_076228M77TGTR1_HUMANDisease (EIG12)  ---AM77T
08UniProtVAR_013182G91DGTR1_HUMANDisease (GLUT1DS1)80359814AG91D
09UniProtVAR_069077R92WGTR1_HUMANDisease (GLUT1DS2)202060209AR92W
10UniProtVAR_065207R93WGTR1_HUMANDisease (GLUT1DS2)267607061AR93W
11UniProtVAR_065208S95IGTR1_HUMANDisease (GLUT1DS2)267607060AS95I
12UniProtVAR_065209M96VGTR1_HUMANDisease (GLUT1DS1)753161833AM96V
13UniProtVAR_054757R126CGTR1_HUMANDisease (GLUT1DS2)80359818AR126C
14UniProtVAR_013183R126HGTR1_HUMANDisease (GLUT1DS1)80359816AR126H
15UniProtVAR_013184R126LGTR1_HUMANDisease (GLUT1DS1)80359816AR126L
16UniProtVAR_054758G130SGTR1_HUMANDisease (GLUT1DS1)80359819AG130S
17UniProtVAR_013284E146KGTR1_HUMANDisease (GLUT1DS1)80359820AE146K
18UniProtVAR_076229P149AGTR1_HUMANUnclassified (EIG12)  ---AP149A
19UniProtVAR_054759R153CGTR1_HUMANDisease (GLUT1DS1)  ---AR153C
20UniProtVAR_065210R153HGTR1_HUMANDisease (GLUT1DS2)794727642AR153H
21UniProtVAR_065211A155VGTR1_HUMANDisease (GLUT1DS1)  ---AA155V
22UniProtVAR_065212V165IGTR1_HUMANDisease (GLUT1DS2)  ---AV165I
23UniProtVAR_065213R212CGTR1_HUMANDisease (GLUT1DS1)387907312AR212C
24UniProtVAR_065214R212HGTR1_HUMANDisease (GLUT1DS1)  ---AR212H
25UniProtVAR_076230R218SGTR1_HUMANDisease (EIG12)  ---AR218S
26UniProtVAR_065215R223PGTR1_HUMANDisease (EIG12)397514564AR223P
27UniProtVAR_076231R223QGTR1_HUMANUnclassified (EIG12)397514564AR223Q
28UniProtVAR_065216R223WGTR1_HUMANDisease (GLUT1DS1)796053248AR223W
29UniProtVAR_069078R232CGTR1_HUMANDisease (EIG12)387907313AR232C
30UniProtVAR_076232E243VGTR1_HUMANDisease (EIG12)  ---AE243V
31UniProtVAR_013185K256EGTR1_HUMANDisease (GLUT1DS1)121909738AK256E
32UniProtVAR_054761A275TGTR1_HUMANDisease (GLUT1DS2)121909740AA275T
33UniProtVAR_076233G286DGTR1_HUMANDisease (SDCHCN)864309514AG286D
34UniProtVAR_065784S294PGTR1_HUMANDisease (GLUT1DS2)  ---AS294P
35UniProtVAR_054763T295MGTR1_HUMANDisease (GLUT1DS1)80359823AT295M
36UniProtVAR_065217V303LGTR1_HUMANUnclassified  ---AV303L
37UniProtVAR_013285T310IGTR1_HUMANDisease (GLUT1DS1)80359824AT310I
38UniProtVAR_054764G314SGTR1_HUMANDisease (GLUT1DS2)121909739AG314S
39UniProtVAR_065218N317TGTR1_HUMANDisease (GLUT1DS2)  ---AN317T
40UniProtVAR_065219S324LGTR1_HUMANDisease (GLUT1DS2)796053253AS324L
41UniProtVAR_065220E329QGTR1_HUMANDisease (GLUT1DS1)  ---AE329Q
42UniProtVAR_065221R333QGTR1_HUMANDisease (GLUT1DS2)  ---AR333Q
43UniProtVAR_013286R333WGTR1_HUMANDisease (GLUT1DS1)80359825AR333W
44UniProtVAR_065222G382DGTR1_HUMANDisease (GLUT1DS1)  ---AG382D
45UniProtVAR_065223A405DGTR1_HUMANDisease (GLUT1DS1)  ---AA405D
46UniProtVAR_076234N411SGTR1_HUMANDisease (EIG12)398123069AN411S
47UniProtVAR_076236R458WGTR1_HUMANDisease (EIG12)13306758AR458W
48UniProtVAR_069080R468WGTR1_HUMANDisease (GLUT1DS1)267607059AR468W
49UniProtVAR_065224P485LGTR1_HUMANDisease (GLUT1DS1)  ---AP485L

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (3, 3)

Theoretical Model (3, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1MFSPS50850 Major facilitator superfamily (MFS) profile.GTR1_HUMAN15-456  1A:15-456
2SUGAR_TRANSPORT_2PS00217 Sugar transport proteins signature 2.GTR1_HUMAN128-153  1A:128-153
3SUGAR_TRANSPORT_1PS00216 Sugar transport proteins signature 1.GTR1_HUMAN324-340  1A:324-340

(-) Exons   (0, 0)

(no "Exon" information available for 1SUK)

(-) Sequences/Alignments

Theoretical Model
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:492
 aligned with GTR1_HUMAN | P11166 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:492
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490  
           GTR1_HUMAN     1 MEPSSKKLTGRLMLAVGGAVLGSLQFGYNTGVINAPQKVIEEFYNQTWVHRYGESILPTTLTTLWSLSVAIFSVGGMIGSFSVGLFVNRFGRRNSMLMMNLLAFVSAVLMGFSKLGKSFEMLILGRFIIGVYCGLTTGFVPMYVGEVSPTALRGALGTLHQLGIVVGILIAQVFGLDSIMGNKDLWPLLLSIIFIPALLQCIVLPFCPESPRFLLINRNEENRAKSVLKKLRGTADVTHDLQEMKEESRQMMREKKVTILELFRSPAYRQPILIAVVLQLSQQLSGINAVFYYSTSIFEKAGVQQPVYATIGSGIVNTAFTVVSLFVVERAGRRTLHLIGLAGMAGCAILMTIALALLEQLPWMSYLSIVAIFGFVAFFEVGPGPIPWFIVAELFSQGPRPAAIAVAGFSNWTSNFIVGMCFQYVEQLCGPYVFIIFTVLLVLFFIFTYFKVPETKGRTFDEIASGFRQGGASQSDKTPEELFHPLGADSQV 492
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhh......hhhhh........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh.............................................hhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh....hhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............hhhhhhh.. Sec.struct. author
             SAPs(SNPs) (1) ---------------------------------I----------------H--------M-----F----------T-------------DWW-IV-----------------------------C---S---------------K--A---C-V---------I----------------------------------------------C-----S----P--------C----------V------------E------------------T----------D-------PM-------L------I---S--T------L----Q---Q------------------------------------------------D----------------------D-----S----------------------------------------------W---------W----------------L------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ---------------------------------S-------------------------------------------------------------------------------------------H--------------------------H----------------------------------------------------------H----------Q-------------------------------------------------------------------------------------------------------------W--------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) ---------------------------------Y-------------------------------------------------------------------------------------------L------------------------------------------------------------------------------------------------W----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (3)
                PROSITE (1) --------------MFS  PDB: A:15-456 UniProt: 15-456                                                                                                                                                                                                                                                                                                                                                                                                                        ------------------------------------ PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------SUGAR_TRANSPORT_2         --------------------------------------------------------------------------------------------------------------------------------------------------------------------------SUGAR_TRANSPORT_1-------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1suk A   1 MEPSSKKLTGRLMLAVGGAVLGSLQFGYNTGVINAPQKVIEEFYNQTWVHRYGESILPTTLTTLWSLSVAIFSVGGMIGSFSVGLFVNRFGRRNSMLMMNLLAFVSAVLMGFSKLGKSFEMLILGRFIIGVYCGLTTGFVPMYVGEVSPTAFRGALGTLHQLGIVVGILIAQVFGLDSIMGNKDLWPLLLSIIFIPALLQCIVLPFCPESPRFLLINRNEENRAKSVLKKLRGTADVTHDLQEMKEESRQMMREKKVTILELFRSPAYRQPILIAVVLQLSQQLSGINAVFYYSTSIFEKAGVQQPVYATIGSGIVNTAFTVVSLFVVERAGRRTLHLIGLAGMAGCAILMTIALALLEQLPWMSYLSIVAIFGFVAFFEVGPGPIPWFIVAELFSQGPRPAAIAVAGFSNWTSNFIVGMCFQYVEQLCGPYVFIIFTVLLVLFFIFTYFKVPETKGRTFDEIASGFRQGGASQSDKTPEELFHPLGADSQV 492
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490  

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 1SUK)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1SUK)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1SUK)

(-) Gene Ontology  (44, 44)

Theoretical Model(hide GO term definitions)
Chain A   (GTR1_HUMAN | P11166)
molecular function
    GO:0055056    D-glucose transmembrane transporter activity    Enables the transfer of the D-enantiomer of the hexose monosaccharide glucose from one side of the membrane to the other.
    GO:0033300    dehydroascorbic acid transporter activity    Enables the directed movement of dehydroascorbate, 5-(1,2-dihydroxyethyl)furan-2,3,4(5H)-trione, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0005355    glucose transmembrane transporter activity    Enables the transfer of the hexose monosaccharide glucose from one side of the membrane to the other.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0019900    kinase binding    Interacting selectively and non-covalently with a kinase, any enzyme that catalyzes the transfer of a phosphate group.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0043621    protein self-association    Interacting selectively and non-covalently with a domain within the same polypeptide.
    GO:0022891    substrate-specific transmembrane transporter activity    Enables the transfer of a specific substance or group of related substances from one side of a membrane to the other.
    GO:0022857    transmembrane transporter activity    Enables the transfer of a substance from one side of a membrane to the other.
    GO:0005215    transporter activity    Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells.
    GO:0042910    xenobiotic transporter activity    Enables the directed movement of a xenobiotic, a compound foreign to living organisms, into, out of or within a cell, or between cells.
biological process
    GO:0019852    L-ascorbic acid metabolic process    The chemical reactions and pathways involving L-ascorbic acid, (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate; L-ascorbic acid is vitamin C and has co-factor and anti-oxidant activities in many species.
    GO:0008643    carbohydrate transport    The directed movement of carbohydrate into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Carbohydrates are any of a group of organic compounds based of the general formula Cx(H2O)y.
    GO:0042149    cellular response to glucose starvation    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of deprivation of glucose.
    GO:0070837    dehydroascorbic acid transport    The directed movement of dehydroascorbate into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Dehydroascorbate, 5-(1,2-dihydroxyethyl)furan-2,3,4(5H)-trione, is an oxidized form of vitamin C.
    GO:1904659    glucose transmembrane transport    The directed movement of glucose across a membrane.
    GO:0015758    glucose transport    The directed movement of the hexose monosaccharide glucose into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0005989    lactose biosynthetic process    The chemical reactions and pathways resulting in the formation of lactose, the disaccharide galactopyranosyl-glucose.
    GO:0006461    protein complex assembly    The aggregation, arrangement and bonding together of a set of components to form a protein complex.
    GO:0050796    regulation of insulin secretion    Any process that modulates the frequency, rate or extent of the regulated release of insulin.
    GO:0006970    response to osmotic stress    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating an increase or decrease in the concentration of solutes outside the organism or cell.
    GO:0055085    transmembrane transport    The process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
    GO:0042908    xenobiotic transport    The directed movement of a xenobiotic, a compound foreign to living organisms, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
cellular component
    GO:0000139    Golgi membrane    The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
    GO:0016324    apical plasma membrane    The region of the plasma membrane located at the apical end of the cell.
    GO:0016323    basolateral plasma membrane    The region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
    GO:0072562    blood microparticle    A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids.
    GO:0005901    caveola    A membrane raft that forms small pit, depression, or invagination that communicates with the outside of a cell and extends inward, indenting the cytoplasm and the cell membrane. Examples include flask-shaped invaginations of the plasma membrane in adipocytes associated with caveolin proteins, and minute pits or incuppings of the cell membrane formed during pinocytosis. Caveolae may be pinched off to form free vesicles within the cytoplasm.
    GO:0005911    cell-cell junction    A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
    GO:0030864    cortical actin cytoskeleton    The portion of the actin cytoskeleton, comprising filamentous actin and associated proteins, that lies just beneath the plasma membrane.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0001939    female pronucleus    The pronucleus originating from the ovum that is being fertilized.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0005887    integral component of plasma membrane    The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0005622    intracellular    The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
    GO:0042470    melanosome    A tissue-specific, membrane-bounded cytoplasmic organelle within which melanin pigments are synthesized and stored. Melanosomes are synthesized in melanocyte cells.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0045121    membrane raft    Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.
    GO:0030496    midbody    A thin cytoplasmic bridge formed between daughter cells at the end of cytokinesis. The midbody forms where the contractile ring constricts, and may persist for some time before finally breaking to complete cytokinesis.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0031982    vesicle    Any small, fluid-filled, spherical organelle enclosed by membrane.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        GTR1_HUMAN | P111664pyp 5eqg 5eqh 5eqi

(-) Related Entries Specified in the PDB File

1ja5 THREE-DIMENSIONAL MODEL OF THE HUMAN FACILITATIVE GLUCOSE TRANSPORTER GLUT1
1pw4 STRUCTURE AND MECHANISM OF THE GLYCEROL-3-PHOSPHATE TRANSPORTER FROM ESCHERICIA COLI