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Key Documents

SRP6087

Sigma-Aldrich

AKR1C1 human

recombinant, expressed in E. coli, ≥90% (SDS-PAGE)

Synonym(s):

20-alpha HSD, Aldo-keto reductase family 1 member C1, DD1/DD2, DDH1, HBAB

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About This Item

CAS Number:
UNSPSC Code:
12352200
NACRES:
NA.32

biological source

human

recombinant

expressed in E. coli

assay

≥90% (SDS-PAGE)

form

liquid

mol wt

38.9 kDa

packaging

pkg of 100 μg

NCBI accession no.

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... AKR1C1(1645)

General description

AKR1C1 (aldo-keto reductase 1C1) is one of the four isoforms (AKR1C1–AKR1C4) of the phase I drug-metabolizing enzyme family called AKR1C. This enzyme is thought to be composed of 323 amino acids, and its mRNA is expressed in brain, mammary gland tissues, liver, adrenal, prostate, uterus and testis.

Biochem/physiol Actions

AKR1C (aldo-keto reductase 1C) family of proteins is responsible for maintaining steroid homeostasis, activation of polycyclic aromatic hydrocarbons and the metabolism of prostaglandin. These enzymes function as NAD(P)(H)-dependent oxidoreductases and are responsible for the production of alcohol by catalyzing the reduction of aldehydes and ketones. Studies show that up-regulation of AKR1C1 is linked with resistance to anti-cancer therapeutics such as, adriamycin, daunorubicin and cisplatin. In human endometrial tissues, this protein is responsible for the conversion of progesterone to a biologically inactive metabolite. Studies in cultured endometrial stromal cells show that the mRNA expression level of AKR1C1 is inversely dependent on the level of progesterone, thus suggesting that progesterone controls its own local concentration through AKR1C1 enzyme in endometrial stromal cells at peri-implantation periods.

Physical form

0.5 mg/mL solution in 20 mM Tris-HCl buffer (pH 8.0) containing 1 mM DTT and 20% glycerol.

Preparation Note

Centrifuge the vial prior to opening.

Other Notes

MGSSHHHHHH SSGLVPRGSH MDSKYQCVKL NDGHFMPVLG FGTYAPAEVP KSKALEATKL AIEAGFRHID SAHLYNNEEQ VGLAIRSKIA DGSVKREDIF YTSKLWCNSH RPELVRPALE RSLKNLQLDY VDLYLIHFPV SVKPGEEVIP KDENGKILFD TVDLCATWEA VEKCKDAGLA KSIGVSNFNR RQLEMILNKP GLKYKPVCNQ VECHPYFNQR KLLDFCKSKD IVLVAYSALG SHREEPWVDP NSPVLLEDPV LCALAKKHKR TPALIALRYQ LQRGVVVLAK SYNEQRIRQN VQVFEFQLTS EEMKAIDGLN RNVRYLTLDI FAGPPNYPFS DEY

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Characterization of a human 20alpha-hydroxysteroid dehydrogenase.
Zhang Y, et al.
Journal of Molecular Endocrinology, 25(2), 221-228 (2000)
Induction of neoplastic transformation by ectopic expression of human aldo-keto reductase 1C isoforms in NIH3T3 cells.
Chien CW, et al.
Carcinogenesis, 30(10), 1813-1820 (2009)
Human cytosolic hydroxysteroid dehydrogenases of the aldo-ketoreductase superfamily catalyze reduction of conjugated steroids: implications for phase I and phase II steroid hormone metabolism.
Jin Y, et al.
The Journal of Biological Chemistry, 284(15), 10013-10022 (2009)
Expression of 20alpha-hydroxysteroid dehydrogenase mRNA in human endometrium and decidua.
Nakajima T, et al.
Endocrine Journal, 50(1), 105-111 (2003)

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