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Topic: Transport protein


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In the News (Mon 6 Jul 09)

  
  Transport protein - Wikipedia, the free encyclopedia
A transport protein is a protein involved in facilitated diffusion.
Transport proteins are also used in active transport.
The proteins bind to the larger molecule needed within the cell and "drag" it into the cell, moving particles against the concentration gradient.
en.wikipedia.org /wiki/Transport_protein   (109 words)

  
 Transport protein: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-10-08)
Facilitated diffusion (facilitated transport) is a process of passive transport (diffusion) via which molecules diffuse across cell membranemembranes,...
A symporter, also known as a coporter, is an integral membrane protein that is involved in facilitated diffusion....
An antiporter is an integral membrane protein that is involved in facilitated diffusion....
www.absoluteastronomy.com /encyclopedia/t/tr/transport_protein.htm   (226 words)

  
 Transport Protein Delivery Reagent - Cambrex
Transport Protein Delivery Reagent is a revolutionary new tool for non-cytotoxic delivery of biologically active cargo molecules (proteins, peptides, or small molecules) directly into live cells.
Transport Reagent allows you to quickly and easily study cell and protein function, while avoiding the problems of DNA transfections (promoter interference, variable levels of transfection).
Transport Reagent-Cargo Complex delivery is very efficient (up to 100% of cultured primary cells or cell lines) and allows rapid analysis of the unharmed transduced cells.
www.cambrex.com /Content/bioscience/CatNav.oid.1095.prodoid.Transport   (414 words)

  
 Homologous and heterologous reconstitution of Golgi to chloroplast transport and protein import into the complex ...
are transported in vesicles as integral membrane proteins from
Golgi apparatus indicative of pLHCPII transport to the chloroplast
transported from the Golgi apparatus to the chloroplast as integral
jcs.biologists.org /cgi/content/full/118/8/1651   (6848 words)

  
 Fatty Acid Transport Protein 4 (FATP4, SLC27A4)   (Site not responding. Last check: 2007-10-08)
Fatty acid transport proteins (FATPs/solute carrier family 27) are integral transmembrane proteins that enhance the uptake of long-chain and very long-chain fatty acids into cells
FATP4 protein is highly expressed by the epithelial cells of the visceral endoderm and localized to the brush-boarder membrane of extraembryonic endodermal cells
Mouse fatty acid transport protein 4 (FATP4): characterization of the gene and functional assessment as a very long chain acyl-CoA synthetase.
www.pamf.org /research/stahl/overview/fatp4.html   (547 words)

  
 Transport Protein Overview
This page provides a comprehensive comparison of the cytoplasmic membrane transport systems identified in organisms for which complete genome sequences are available.
For each organism, its complete complement of transporters is listed with its known or putative function, and classified into families according to the TC system.
Overall comparisons of the transport capabilities of each organism are provided.These analyses are conducted by Ian Paulsen and his group at TIGR and are continuously updated by them.
www.biology.ucsd.edu /~msaier/transport   (239 words)

  
 Fatty Acid Transport Protein 1 (FATP1, SLC27A1)
Intronic polymorphism in the fatty acid transport protein 1 gene is associated with increased plasma triglyceride levels in a French population.
Martin, G., Schoonjans, K., Lefebvre, A. Staels, B. & Auwerx, J. Coordinate regulation of the expression of the fatty acid transport protein and acyl-CoA synthetase genes by PPARalpha and PPARgamma activators.
Memon, R., Feingold, K., Moser, A., Fuller, J. & Grunfeld, C. Regulation of fatty acid transport protein and fatty acid translocase mRNA levels by endotoxin and cytokines.
www.pamf.org /research/stahl/overview/fatp1.html   (1008 words)

  
 Molecular Mechanisms of Vesicular Protein Transport (D. Gallwitz)
Transport vesicles bud from a donor compartment and, after docking to the correct target compartment, membrane fusion results in the delivery of cargo to the target organelle.
Retrograde transport between compartments of the biosynthetic and the endocytic pathway assures a balance between loss and gain of membrane material and is a means to retrieve escaped resident proteins of individual organelles (Figure 1).
It is unclear whether the vacuolar protein transport route meets the endocytic pathway at an early (e.E.) or late (l.E.) endosome-like compartment.
www.mpibpc.mpg.de /abteilungen/150/rggallwi.htm   (1399 words)

  
 Identification of a Gene for a Polyamine Transport Protein in Yeast -- Tomitori et al. 274 (6): 3265 -- Journal of ...
Identification of a Gene for a Polyamine Transport Protein in Yeast
is a polyamine-excreting protein on the plasma membrane or a polyamine
Characteristics of the Membrane Protein Encoded by YLL028w (TPO1)-- The YLL028w (TPO1) is located on chromosome XII and encodes a membrane protein consisting of 586 amino acid residues (17).
www.jbc.org /cgi/content/full/274/6/3265   (2326 words)

  
 CB200.3: Protein transport and Irreducibly Complexity   (Site not responding. Last check: 2007-10-08)
The biochemistry of protein transport within a cell is irreducibly complex, indicating that it must have been designed.
Some proteins direct their own secretion so that no transport mechanism is necessary (see references in Ussery 1999).
Many of the proteins involved in transport in eukaryote cells have molecular "ancestors" in bacteria.
www.talkorigins.org /indexcc/CB/CB200_3.html   (145 words)

  
 Protein Transport
TargetP is a method for predicting the subcellular location of proteins by identifying the presence of N-terminal presequences, such as chloroplast transit peptide (cTP), mitochondrial targeting peptide (mTP), or secretory pathway signal peptide (SP).
Presented in 2000, "Studies on the bacterial protein conducting pore: the SecYEG complex" is the PhD thesis of Christiaan van der Does of the Faculty of Science at the University of Groningen.
Presented in 2000, "The general protein secretion pathway of Bacillus subtilis" is the PhD thesis of Karel van Wely of the Faculty of Science at the University of Groningen.
bioresearch.ac.uk /browse/mesh/D021381.html   (786 words)

  
 Mild spherocytosis and altered red cell ion transport in protein 4.2—null mice -- Peters et al. 103 (11): 1527 -- ...
Hereditary spherocytes are characterized by increased Na and
Protein 4.2 is undetectable and band 3 decreased in 4.2
The mouse erythrocyte protein 4.2 gene, Epb4.2, is ~22 kb in
www.jci.org /cgi/content/full/103/11/1527   (6085 words)

  
 VCAC: Cellular Processes: Mitochondrial Protein Transport
Protein transport occurs at a number of sites in a cell.
This animation follows the steps neccessary to transport a protein into the mitochondria.
An in-depth look at the major factors and stages involved in mitochondrial protein transport.
vcell.ndsu.nodak.edu /animations/mito-pt   (60 words)

  
 Protein Transport in Plant Cells: In and Out of the Golgi{dagger} -- NEUMANN et al. 92 (2): 167 -- Annals of Botany
and that vesicle vectors are not a prerequisite of transport
Membrane protein transport between the endoplasmic reticulum and the Golgi in tobacco leaves is energy dependent but cytoskeleton independent: evidence from selective photobleaching.
The destination for single-pass membrane proteins is influenced markedly by the length of the hydrophobic domain.
aob.oxfordjournals.org /cgi/content/full/92/2/167   (6093 words)

  
 von Heijne lab publications   (Site not responding. Last check: 2007-10-08)
Baltscheffsky,H., von Heijne,G., and Blomberg,C. (1978) Protein Secondary Structure and the Molecular Evolution of Biological Electron Transport.inMatsubara,H. and Yamanaka,T. (eds.): Evolution of Protein Molecules.
Wallin, E., and von Heijne, G. (1998) Genome-wide analysis of integral membrane proteins from eubacterial, archaean, and eukaryotic organisms.
(1999) Divergent evolution of membrane protein topology: The Escherichia coli RnfA and RnfE homologues.
www.sbc.su.se /gunnar/gvhpub.html   (4800 words)

  
 Properties of the Human Erythrocyte Glucose Transport Protein Are Determined by Cellular Context   (Site not responding. Last check: 2007-10-08)
Human erythrocyte hexose transfer is mediated by the glucose transport protein GLUT1 and is characterized by a complexity that is unexplained by available hypotheses for carrier-mediated sugar transport [Cloherty, E. K., Heard, K. S., and Carruthers, A. Biochemistry 35, 10411-10421].
GLUT1-HA-H6 confers GLUT1-specific sugar transport characteristics to transfected RE700A, including inhibition by cytochalasin B and high-affinity transport of the nonmetabolized sugar 3-O-methylglucose.
Unlike transport in human red cells or transport in human embryonic kidney cells transfected with GLUT1-HA-H6, unidirectional sugar uptake in RE700A-GLUT1-HA-H6 is not inhibited by reductant and is not stimulated by intracellular sugar.
pubs.acs.org /cgi-bin/abstract.cgi/bichaw/2005/44/i15/abs/bi0477541.html   (281 words)

  
 Passive and Active Transport   (Site not responding. Last check: 2007-10-08)
Most solutes, however, can cross the membrane only if there is a membrane transport protein (a carrier protein or a channel protein) to transfer them.
As indicated, passive transport, in the same direction as a concentration gradient, occurs spontaneously, whereas transport against a concentration gradient (active transport) requires an input of energy.
Only carrier proteins can carry out active transport, but both carrier proteins and channel proteins can carry out passive transport.
www.accessexcellence.org /AB/GG/passActiveTrans.html   (136 words)

  
 Modulation of renal Ca2+ transport protein genes by dietary Ca2+ and 1,25-dihydroxyvitamin D3 in 25-hydroxyvitamin ...
Expression of Ca transport proteins was studied at the protein
receptor/binding protein in a membrane fraction isolated from a chick tibial fracture-healing callus.
Calcium Transporter 1 and Epithelial Calcium Channel Messenger Ribonucleic Acid Are Differentially Regulated by 1,25 Dihydroxyvitamin D3 in the Intestine and Kidney of Mice
www.fasebj.org /cgi/content/full/16/11/1398   (4296 words)

  
 Transporters
Ion Channels and Membrane Transport Proteins (Laboratory Journal 2000, Prof.
Structure and Mechanisms of Channel and Transport Proteins (54th Annual Meeting of the Society of General Physiologists)
Kinetic analysis of secretory protein traffic and characterization of Golgi to plasma membrane transport intermediates in living cells (Journal of Cell Biology, Volume 143 [6] 1998)--->
www.sacs.ucsf.edu /Links/transport.html   (930 words)

  
 TCDB: Transport Classification Database   (Site not responding. Last check: 2007-10-08)
TCDB is operated by the Saier Lab Bioinformatics Group.
The database details a comprehensive IUBMB approved classification system for membrane transport proteins known as the Transporter Classification (TC) system.
These proteins are classified into over 550 transporter families based on the TC system.
www.tcdb.org   (93 words)

  
 [No title]
GEN:AAD53162 AF176824 GI:5823448 ATP-binding protein of ABC transporter SrpK [Synechococcus sp.
PCC 7120] IGI:RAN05361 ABC transporter ATP-binding protein [Anabaena sp.
PIR:B81147 B81147 sulfate ABC transporter, ATP-binding protein NMB0879 [imported] - Neisseria meningitidis (strain MC58 serogroup B) GEN:AAF41290 AE002440 GI:7226117 sulfate ABC transporter, ATP-binding protein [Neisseria meningitidis MC58] IGI:RNX00879 Sulfate transport ATP-binding protein cysA [Neisseria meningitidis ser.
corn.ccgb.umn.edu /wild_rice/SYC-016_D05_07.seq.blastx   (2915 words)

  
 Fatty acid transport protein 1 and long-chain acyl coenzyme A synthetase 1 interact in adipocytes -- Richards et al. 47 ...
Fatty acid transport protein 1 and long-chain acyl coenzyme A synthetase 1 interact in adipocytes -- Richards et al.
Fatty acid transport protein 1 and long-chain acyl coenzyme A synthetase 1 interact in adipocytes
The fatty acid transport proteins (FATP) and long-chain acyl
www.jlr.org /cgi/content/short/47/3/665?rss=1   (295 words)

  
 tran CATEGORY QUERY
methyl-accepting chemotaxis protein I, serine receptor, sensory transducer for serine (tsr)
methyl-galactoside transport and galactose taxis, cytoplasmic membrane protein (mglA)
anaerobic C4-dicarboxylate membrane transporter protein (dcuB) {Escherichia coli}
magpie.genome.wisc.edu /magpie-cgi-bin/magpie_cat?tran   (2015 words)

  
 Databases   (Site not responding. Last check: 2007-10-08)
Very nice images containing the complete complement of proteins involved in a particular type of system in E.
A collection of data containing proteins from the inner membrane, periplasm and outer membrane.
A comprehensive list of EVERY predicted transport protein in E.
ecoli.bham.ac.uk /index/dat.html   (554 words)

  
 YEAST GRID (The Saccharomyces cerevisiae General Repository for Interaction Datasets) Search Results for GSG1 / YDR108W   (Site not responding. Last check: 2007-10-08)
Subunit of TRAPP transport protein particle, a multi-subunit complex involved in targeting and/or fusion of ER-to-Golgi transport vesicles with their acceptor compartment; protein has late meiotic role, following DNA replication
Hydrophilic protein that acts in conjunction with SNARE proteins in targeting and fusion of ER to Golgi transport vesicles
Ras-like GTP binding protein involved in the secretory pathway.
biodata.mshri.on.ca /grid/servlet/SearchResults?keywords=GSG1   (185 words)

  
 ecce/ periplasm/ transport   (Site not responding. Last check: 2007-10-08)
Part of the binding-protein-dependent transport system for glutamate and aspartate.
involved in the active transport of D-galactose and D-glucose
32.1 kD protein in ppa-fbp intergenic region precursor
www.cf.ac.uk /biosi/staff/ehrmann/tools/ecce/transpP.html   (201 words)

  
 YTPdb Automatic redirection   (Site not responding. Last check: 2007-10-08)
Please note the URL of Yeast Transporter database changed.
This page will automatically redirect in 10 seconds.
If this does not work for any reason please click here.
alize.ulb.ac.be /YTPdb   (28 words)

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