Steroid 21-hydroxylase

NameSteroid 21-hydroxylase
Synonyms
  • 1.14.14.16
  • 21-OHase
  • CYP21
  • CYP21B
  • Cytochrome P-450c21
  • Cytochrome P450 21
  • Cytochrome P450 XXI
  • Cytochrome P450-C21
  • Cytochrome P450-C21B
Gene NameCYP21A2
OrganismHuman
Amino acid sequence
>lcl|BSEQ0008665|Steroid 21-hydroxylase
MLLLGLLLLPLLAGARLLWNWWKLRSLHLPPLAPGFLHLLQPDLPIYLLGLTQKFGPIYR
LHLGLQDVVVLNSKRTIEEAMVKKWADFAGRPEPLTYKLVSKNYPDLSLGDYSLLWKAHK
KLTRSALLLGIRDSMEPVVEQLTQEFCERMRAQPGTPVAIEEEFSLLTCSIICYLTFGDK
IKDDNLMPAYYKCIQEVLKTWSHWSIQIVDVIPFLRFFPNPGLRRLKQAIEKRDHIVEMQ
LRQHKESLVAGQWRDMMDYMLQGVAQPSMEEGSGQLLEGHVHMAAVDLLIGGTETTANTL
SWAVVFLLHHPEIQQRLQEELDHELGPGASSSRVPYKDRARLPLLNATIAEVLRLRPVVP
LALPHRTTRPSSISGYDIPEGTVIIPNLQGAHLDETVWERPHEFWPDRFLEPGKNSRALA
FGCGARVCLGEPLARLELFVVLTRLLQAFTLLPSGDALPSLQPLPHCSVILKMQPFQVRL
QPRGMGAHSPGQNQ
Number of residues494
Molecular Weight55886.805
Theoretical pINot Available
GO Classification
Functions
  • iron ion binding
  • heme binding
  • steroid binding
  • steroid hydroxylase activity
  • steroid 21-monooxygenase activity
Processes
  • small molecule metabolic process
  • steroid metabolic process
  • glucocorticoid biosynthetic process
  • mineralocorticoid biosynthetic process
  • xenobiotic metabolic process
  • sterol metabolic process
Components
  • endoplasmic reticulum membrane
General FunctionSteroid hydroxylase activity
Specific FunctionSpecifically catalyzes the 21-hydroxylation of steroids. Required for the adrenal synthesis of mineralocorticoids and glucocorticoids.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDP08686
UniProtKB Entry NameCP21A_HUMAN
Cellular LocationEndoplasmic reticulum membrane
Gene sequence
>lcl|BSEQ0021404|Steroid 21-hydroxylase (CYP21A2)
ATGCTGCTCCTGGGCCTGCTGCTGCTGCTGCCCCTGCTGGCTGGCGCCCGCCTGCTGTGG
AACTGGTGGAAGCTCCGGAGCCTCCACCTCCCGCCTCTTGCCCCGGGCTTCTTGCACCTG
CTGCAGCCCGACCTCCCCATCTATCTGCTTGGCCTGACTCAGAAATTCGGGCCCATCTAC
AGGCTCCACCTTGGGCTGCAAGATGTGGTGGTGCTGAACTCCAAGAGGACCATTGAGGAA
GCCATGGTCAAAAAGTGGGCAGACTTTGCTGGCAGACCTGAGCCACTTACCTACAAGCTG
GTGTCTAGGAACTACCCGGACCTGTCCTTGGGAGACTACTCCCTGCTCTGGAAAGCCCAC
AAGAAGCTCACCCGCTCAGCCCTGCTGCTGGGCATCCGTGACTCCATGGAGCCAGTGGTG
GAGCAGCTGACCCAGGAGTTCTGTGAGCGCATGAGAGCCCAGCCCGGCACCCCTGTGGCC
ATTGAGGAGGAATTCTCTCTCCTCACCTGCAGCATCATCTGTTACCTCACCTTCGGAGAC
AAGATCAAGGACGACAACTTAATGCCTGCCTATTACAAATGTATCCAGGAGGTGTTAAAA
ACCTGGAGCCACTGGTCCATCCAAATTGTGGACGTGATTCCCTTTCTCAGGTTCTTCCCC
AATCCAGGTCTCCGGAGGCTGAAGCAGGCCATAGAGAAGAGGGATCACATCGTGGAGATG
CAGCTGAGGCAGCACAAGGAGAGCCTCGTGGCAGGCCAGTGGAGGGACATGATGGACTAC
ATGCTCCAAGGGGTGGCGCAGCCGAGCATGGAAGAGGGCTCTGGACAGCTCCTGGAAGGG
CACGTGCACATGGCTGCAGTGGACCTCCTGATCGGTGGCACTGAGACCACAGCAAACACC
CTCTCCTGGGCCGTGGTTTTTTTGCTTCACCACCCTGAGATTCAGCAGCGACTGCAGGAG
GAGCTAGACCACGAACTGGGCCCTGGTGCCTCCAGCTCCCGGGTCCCCTACAAGGACCGT
GCACGGCTGCCCTTGCTCAATGCCACCATCGCCGAGGTGCTGCGCCTGCGGCCCGTTGTG
CCCTTAGCCTTGCCCCACCGCACCACACGGCCCAGCAGCATCTCCGGCTACGACATCCCT
GAGGGCACAGTCATCATTCCGAACCTCCAAGGCGCCCACCTGGATGAGACGGTCTGGGAG
AGGCCACATGAGTTCTGGCCTGATCGCTTCCTGGAGCCAGGCAAGAACTCCAGAGCTCTG
GCCTTCGGCTGCGGTGCCCGCGTGTGCCTGGGCGAGCCGCTGGCGCGCCTGGAGCTCTTC
GTGGTGCTGACCCGACTGCTGCAGGCCTTCACGCTGCTGCCCTCCGGGGACGCCCTGCCC
TCCCTGCAGCCCCTGCCCCACTGCAGTGTCATCCTCAAGATGCAGCCTTTCCAAGTGCGG
CTGCAGCCCCGGGGGATGGGGGCCCACAGCCCGGGCCAGAGCCAGTGA
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:2600
Chromosome Location6
LocusNot Available
References
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  2. White PC, New MI, Dupont B: Structure of human steroid 21-hydroxylase genes. Proc Natl Acad Sci U S A. 1986 Jul;83(14):5111-5. 3487786
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