Reaction participants Show >> << Hide
- Name help_outline thromboxane B2 Identifier CHEBI:90696 Charge -1 Formula C20H33O6 InChIKeyhelp_outline XNRNNGPBEPRNAR-JQBLCGNGSA-M SMILEShelp_outline C1[C@@H]([C@@H]([C@H](OC1O)/C=C/[C@H](CCCCC)O)C/C=C\CCCC(=O)[O-])O 2D coordinates Mol file for the small molecule Search links Involved in 3 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:50992 | RHEA:50993 | RHEA:50994 | RHEA:50995 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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Identification of a novel gene family encoding human liver-specific organic anion transporter LST-1.
Abe T., Kakyo M., Tokui T., Nakagomi R., Nishio T., Nakai D., Nomura H., Unno M., Suzuki M., Naitoh T., Matsuno S., Yawo H.
We have isolated a novel liver-specific organic anion transporter, LST-1, that is expressed exclusively in the human, rat, and mouse liver. LST-1 is a new gene family located between the organic anion transporter family and prostaglandin transporter. LST-1 transports taurocholate (Km = 13.6 microM ... >> More
We have isolated a novel liver-specific organic anion transporter, LST-1, that is expressed exclusively in the human, rat, and mouse liver. LST-1 is a new gene family located between the organic anion transporter family and prostaglandin transporter. LST-1 transports taurocholate (Km = 13.6 microM) in a sodium-independent manner. LST-1 also shows broad substrate specificity. It transports conjugated steroids (dehydroepiandrosterone sulfate, estradiol-17beta-glucuronide, and estrone-3-sulfate), eicosanoids (prostaglandin E2, thromboxane B2, leukotriene C4, leukotriene E4), and thyroid hormones (thyroxine, Km = 3.0 microM and triiodothyronine, Km = 2.7 microM), reflecting hepatic multispecificity. LST-1 is probably the most important transporter in human liver for clearance of bile acids and organic anions because hepatic levels of another organic anion transporter, OATP, is very low. This is also the first report of the human molecule that transports thyroid hormones. << Less
J. Biol. Chem. 274:17159-17163(1999) [PubMed] [EuropePMC]
This publication is cited by 7 other entries.
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Cloning, in vitro expression, and tissue distribution of a human prostaglandin transporter cDNA(hPGT).
Lu R., Kanai N., Bao Y., Schuster V.L.
We recently identified a cDNA in the rat that encodes a broadly expressed PG transporter (PGT). Because PGs play diverse and important roles in human health and disease, we cloned human PGT (hPGT) from an adult human kidney cDNA library. A consensus sequence (4.0 kb) derived from several clones, p ... >> More
We recently identified a cDNA in the rat that encodes a broadly expressed PG transporter (PGT). Because PGs play diverse and important roles in human health and disease, we cloned human PGT (hPGT) from an adult human kidney cDNA library. A consensus sequence (4.0 kb) derived from several clones, plus 3' polymerase chain reaction amplification, exhibited 74% nucleic acid identity and 82% amino acid identity compared to rat PGT. When transiently expressed in HeLa cells, a full-length clone catalyzed the transport of PGE1, PGE2, PGD2, PGF2alpha, and, to a lesser degree, TXB2. Northern blotting revealed mRNA transcripts of many different sizes in adult human heart, placenta, brain, lung, liver, skeletal muscle, pancreas, kidney, spleen, prostate, ovary, small intestine, and colon. hPGT mRNAs are also strongly expressed in human fetal brain, lung, liver, and kidney. The broad tissue distribution and substrate profile of hPGT suggest a role in the transport and/or metabolic clearance of PGs in diverse human tissues. << Less
J. Clin. Invest. 98:1142-1149(1996) [PubMed] [EuropePMC]
This publication is cited by 9 other entries.