Transporter Information: | |
Name: | solute carrier organic anion transporter family, member 1B1 |
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Symbol: | SLCO1B1 |
TC: | 2.A.60.1.5 |
Locations: | 12p12 |
Aliases: | OATP-C, LST-1, OATP1B1 |
Swiss-Prot: | Q9Y6L6 |
Accession Number: | NM_006446 |
Old Name: | solute carrier family 21 (organic anion transporter), member 6 |
LocusLink | 10599 |
OMIM | 604843 |
PubMed (10358072): | Abe T, Kakyo M, Tokui T, Nakagomi R, Nishio T, Nakai D, Nomura H, Unno M,Suzuki M, Naitoh T, Matsuno S, Yawo H. Identification of a novel gene family encoding human liver-specific organicanion transporter LST-1.J Biol Chem. 1999 Jun 11;274(24):17159-63. PMID: 10358072 [PubMed - indexed for MEDLINE] 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. |
>sp|Q9Y6L6|OAT6_HUMAN LIVER-SPECIFIC ORGANIC ANION TRANSPORTER (ORGANIC ANION TRANSPORT POLYPEPTIDE 2) (OATP 2) - Homo sapiens (Human). MDQNQHLNKTAEAQPSENKKTRYCNGLKMFLAALSLSFIAKTLGAIIMKSSIIHIERRFEISSSLVGFIDGSFEIGNLLV IVFVSYFGSKLHRPKLIGIGCFIMGIGGVLTALPHFFMGYYRYSKETNINSSENSTSTLSTCLINQILSLNRASPEIVGK GCLKESGSYMWIYVFMGNMLRGIGETPIVPLGLSYIDDFAKEGHSSLYLGILNAIAMIGPIIGFTLGSLFSKMYVDIGYV DLSTIRITPTDSRWVGAWWLNFLVSGLFSIISSIPFFFLPQTPNKPQKERKASLSLHVLETNDEKDQTANLTNQGKNITK NVTGFFQSFKSILTNPLYVMFVLLTLLQVSSYIGAFTYVFKYVEQQYGQPSSKANILLGVITIPIFASGMFLGGYIIKKF KLNTVGIAKFSCFTAVMSLSFYLLYFFILCENKSVAGLTMTYDGNNPVTSHRDVPLSYCNSDCNCDESQWEPVCGNNGIT YISPCLAGCKSSSGNKKPIVFYNCSCLEVTGLQNRNYSAHLGECPRDDACTRKFYFFVAIQVLNLFFSALGGTSHVMLIV KIVQPELKSLALGFHSMVIRALGGILAPIYFGALIDTTCIKWSTNNCGTRGSCRTYNSTSFSRVYLGLSSMLRVSSLVLY IILIYAMKKKYQEKDINASENGSVMDEANLESLNKNKHFVPSAGADSETHC |