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1.3.3.3: coproporphyrinogen oxidase

This is an abbreviated version!
For detailed information about coproporphyrinogen oxidase, go to the full flat file.

Word Map on EC 1.3.3.3

Reaction

Coproporphyrinogen III
+
O2
 + 2 H+ =
protoporphyrinogen-IX
 + 2 CO2 + 2 H2O

Synonyms

copro'gen oxidase, Coprogen oxidase, coproporphyinogen oxidase, coproporphyrinogen III oxidase, coproporphyrinogen oxidase, coproporphyrinogen-III oxidase, coproporphyrinogenase, COX, CPgen oxidase, CPGox, CPO, CPO III oxidase, CPOX, CPOX4, CPX, CPX1, CPX2, HEM13, Hem13p, HemF, HEMN1, KlHEM13, LIN2, LMM2, O2-dependent coproporphyrinogen III oxidase, oxygen-dependent coproporphyrinogen III oxidase, oxygen-dependent coproporphyrinogen-III oxidase, Sll1185

ECTree

     1 Oxidoreductases
         1.3 Acting on the CH-CH group of donors
             1.3.3 With oxygen as acceptor
                1.3.3.3 coproporphyrinogen oxidase

Expression

Expression on EC 1.3.3.3 - coproporphyrinogen oxidase

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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
addition of NaHS suppresses enzyme promoter activity
-
cystathionine gamma-lyase deficient mice exhibit elevated enzyme expression in the liver
-
enzyme expression is induced by 5-fluorouracil
-
in subcutaneous A431 tumors in mice, pretreatment with vitamin D induces the expression of CCAAT-enhancer binding proteins (C/EBPbeta) isoforms, and of coproporphyrinogen oxidase (CPO). Vitamin D leads to strong accumulation of protoporphyrinogen-IX, PpIX. The murine CPO gene upstream region contains many competent C/EBP binding sites, analysis of C/EBPbeta and enzyme CPO interaction analysis, binding site analysis, overview. All C/EBP sites in murine CPO are asymmetric, with wide divergence between the two half-sites, fifteen functional C/EBP binding motifs in the mCPO promoter are found
pretreatment with vitamin D induces the expression of CCAAT-enhancer binding proteins (C/EBPbeta) isoforms, and of coproporphyrinogen oxidase (CPO). Vitamin D leads to strong accumulation of protoporphyrinogen-IX, PpIX. When MEL cells are incubated in 1% DMSO, large amounts of porphyrins are produced and under these conditions C/EBPbeta expression is upregulated. Concurrently, CPO expression is increased at both mRNA and protein levels, and higher levels of protoporphyrinogen-IX are generated in response to exogenously added 5-aminolevulic acid. LNCaP carcinoma lines respond to calcitriol with increases in enzyme CPO and protoporphyrinogen-IX levels concurrently. The human CPO gene upstream region contains many competent C/EBP binding sites, analysis of C/EBPbeta and enzyme CPO interaction analysis, binding site analysis, overview. Eighteen functional C/EBP binding motifs in the mCPO promoter are found, all are predicted to bind C/EBPs with moderate or higher affinity