The steroid and thyroid hormone receptor superfamily.

Science (New York, N.Y.) (1988-05-13)
R M Evans
ABSTRACT

Analyses of steroid receptors are important for understanding molecular details of transcriptional control, as well as providing insight as to how an individual transacting factor contributes to cell identity and function. These studies have led to the identification of a superfamily of regulatory proteins that include receptors for thyroid hormone and the vertebrate morphogen retinoic acid. Although animals employ complex and often distinct ways to control their physiology and development, the discovery of receptor-related molecules in a wide range of species suggests that mechanisms underlying morphogenesis and homeostasis may be more ubiquitous than previously expected.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
L-Thyroxine, ≥98% (HPLC)
Pricing and availability is not currently available.
Sigma-Aldrich
L-Thyroxine, powder, BioReagent, suitable for cell culture
Pricing and availability is not currently available.
Supelco
Levothyroxine, Pharmaceutical Secondary Standard; Certified Reference Material
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Supelco
L-Thyroxine (T4) solution, 100 μg/mL in methanol with 0.1N NH3, ampule of 1 mL, certified reference material, Cerilliant®
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Sigma-Aldrich
L-Thyroxine sodium salt pentahydrate, ≥98% (HPLC), powder
Pricing and availability is not currently available.
USP
Levothyroxine, United States Pharmacopeia (USP) Reference Standard
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Thyroxine (T4), IRMM®, certified reference material
Pricing and availability is not currently available.
Sigma-Aldrich
L-Thyroxine sodium salt pentahydrate, γ-irradiated, powder, BioXtra, suitable for cell culture
Pricing and availability is not currently available.
Sigma-Aldrich
Rev-ErbA, β (RVR) human, recombinant, expressed in insect cells, ≥80% (SDS-PAGE)
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