NameDehydrogenase/reductase SDR family member 9
Synonyms
  • 1.1.-.-
  • 3-alpha hydroxysteroid dehydrogenase
  • 3-alpha-HSD
  • NADP-dependent retinol dehydrogenase/reductase
  • RDH-E2
  • RDH-TBE
  • RDH15
  • RDHL
  • Retinol dehydrogenase 15
  • SDR9C4
  • Short chain dehydrogenase/reductase family 9C member 4
  • Short-chain dehydrogenase/reductase retSDR8
  • Tracheobronchial epithelial cell-specific retinol dehydrogenase
Gene NameDHRS9
OrganismHuman
Amino acid sequence
>lcl|BSEQ0009176|Dehydrogenase/reductase SDR family member 9
MLFWVLGLLILCGFLWTRKGKLKIEDITDKYIFITGCDSGFGNLAARTFDKKGFHVIAAC
LTESGSTALKAETSERLRTVLLDVTDPENVKRTAQWVKNQVGEKGLWGLINNAGVPGVLA
PTDWLTLEDYREPIEVNLFGLISVTLNMLPLVKKAQGRVINVSSVGGRLAIVGGGYTPSK
YAVEGFNDSLRRDMKAFGVHVSCIEPGLFKTNLADPVKVIEKKLAIWEQLSPDIKQQYGE
GYIEKSLDKLKGNKSYVNMDLSPVVECMDHALTSLFPKTHYAAGKDAKIFWIPLSHMPAA
LQDFLLLKQKAELANPKAV
Number of residues319
Molecular Weight35226.78
Theoretical pINot Available
GO Classification
Functions
  • racemase and epimerase activity
  • testosterone dehydrogenase (NAD+) activity
  • alcohol dehydrogenase (NAD) activity
  • retinol dehydrogenase activity
Processes
  • retinol metabolic process
  • androgen metabolic process
  • epithelial cell differentiation
  • progesterone metabolic process
  • 9-cis-retinoic acid biosynthetic process
Components
  • integral component of endoplasmic reticulum membrane
  • endoplasmic reticulum membrane
General FunctionTestosterone dehydrogenase (nad+) activity
Specific Function3-alpha-hydroxysteroid dehydrogenase that converts 3-alpha-tetrahydroprogesterone (allopregnanolone) to dihydroxyprogesterone and 3-alpha-androstanediol to dihydroxyprogesterone. May play a role in the biosynthesis of retinoic acid from retinaldehyde, but seems to have low activity with retinoids. Can utilize both NADH and NADPH.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDQ9BPW9
UniProtKB Entry NameDHRS9_HUMAN
Cellular LocationMicrosome membrane
Gene sequence
>lcl|BSEQ0017710|Dehydrogenase/reductase SDR family member 9 (DHRS9)
ATGCTCTTTTGGGTGCTAGGCCTCCTAATCCTCTGTGGTTTTCTGTGGACTCGTAAAGGA
AAACTAAAGATTGAAGACATCACTGATAAGTACATTTTTATCACTGGATGTGACTCGGGC
TTTGGAAACTTGGCAGCCAGAACTTTTGATAAAAAGGGATTTCATGTAATCGCTGCCTGT
CTGACTGAATCAGGATCAACAGCTTTAAAGGCAGAAACCTCAGAGAGACTTCGTACTGTG
CTTCTGGATGTGACCGACCCAGAGAATGTCAAGAGGACTGCCCAGTGGGTGAAGAACCAA
GTTGGGGAGAAAGGTCTCTGGGGTCTGATCAATAATGCTGGTGTTCCCGGCGTGCTGGCT
CCCACTGACTGGCTGACACTAGAGGACTACAGAGAACCTATTGAAGTGAACCTGTTTGGA
CTCATCAGTGTGACACTAAATATGCTTCCTTTGGTCAAGAAAGCTCAAGGGAGAGTTATT
AATGTCTCCAGTGTTGGAGGTCGCCTTGCAATCGTTGGAGGGGGCTATACTCCATCCAAA
TATGCAGTGGAAGGTTTCAATGACAGCTTAAGACGGGACATGAAAGCTTTTGGTGTGCAC
GTCTCATGCATTGAACCAGGATTGTTCAAAACAAACTTGGCAGATCCAGTAAAGGTAATT
GAAAAAAAACTCGCCATTTGGGAGCAGCTGTCTCCAGACATCAAACAACAATATGGAGAA
GGTTACATTGAAAAAAGTCTAGACAAACTGAAAGGCAATAAATCCTATGTGAACATGGAC
CTCTCTCCGGTGGTAGAGTGCATGGACCACGCTCTAACAAGTCTCTTCCCTAAGACTCAT
TATGCCGCTGGAAAAGATGCCAAAATTTTCTGGATACCTCTGTCTCACATGCCAGCAGCT
TTGCAAGACTTTTTATTGTTGAAACAGAAAGCAGAGCTGGCTAATCCCAAGGCAGTGTGA
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:16888
Chromosome Location2
LocusNot Available
References
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  2. Soref CM, Di YP, Hayden L, Zhao YH, Satre MA, Wu R: Characterization of a novel airway epithelial cell-specific short chain alcohol dehydrogenase/reductase gene whose expression is up-regulated by retinoids and is involved in the metabolism of retinol. J Biol Chem. 2001 Jun 29;276(26):24194-202. Epub 2001 Apr 13. 11304534
  3. Markova NG, Pinkas-Sarafova A, Karaman-Jurukovska N, Jurukovski V, Simon M: Expression pattern and biochemical characteristics of a major epidermal retinol dehydrogenase. Mol Genet Metab. 2003 Feb;78(2):119-35. 12618084
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