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You are here:Home » Antibodies » Antibodies-Enzymes, Transferase » Anti -UGT1A1 (Glucuronosyltransferase 1A1, UDP-glucuronosyltransferase 1­A1, UDPGT 1­1 and HUG­BR1)

Anti -UGT1A1 (Glucuronosyltransferase 1A1, UDP-glucuronosyltransferase 1­A1, UDPGT 1­1 and


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Clone Host Grade Applications
Polyclonal Goat Affinity Purified B
UGT1A1 is a 52-57kD member of the UGT1A subfamily, UGT family of enzymes. UGT1A1 is expressed by the liver, and catalyzes the conjugation of glucuronic acid (GA) from UDPGA to lipophilic acceptors such as (anti-cancer) drugs and bilirubin. Addition of glucuronic acid increases target solubility and facilitates elimination. Mature human UGT1A1 is a 508aa type I transmembrane ER glycoprotein. It contains a 465aa luminal domain (aa26-490) plus a 26aa cytoplasmic region. The luminal domain is unusual in that aa157-176 are embedded in the ER membrane. aa29-444 contain the enzyme active site. The cytoplasmic tail appears to mediate noncovalent homodimerization, and heterodimerization with UGT2B. The signal sequence aa1-25 is normally cleaved, but a Lys15Arg mutation blocks insertion into the ER membrane. There are multiple point mutations that impact enzyme activity. One potential splice form is reported that shows a six aa substitution for aa289-533. Over aa60-186, human UGT1A1 shares 64% aa identity with mouse UGT1A1.
Catalog #U1275-27
ApplicationsSuitable for use in Western Blot. Other applications not tested.
Recommended DilutionWestern Blot: 1ug/ml
Optimal dilutions to be determined by the researcher.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
ConcentrationNot determined
FormSupplied as a lyophilized powder in PBS, trehalose. Reconstitute with sterile PBS to 200ug/ml.
PurityPurified by immunoaffinity chromatography.
ImmunogenRecombinant corresponding to aa60-168 from human Glucuronosyltransferase 1A1/UGT1A1 expressed in E. coli (P22309).
SpecificityRecognizes human Glucuronosyltransferase 1A1. Species sequence homology: mouse (64%).
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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