Dioxygenase

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<StructureSection load='1eob' size='350' side='right' caption='Structure of protocatechuate 3,4-dioxygenase with Fe+3 complex with dihydroxybenzoate (PDB entry [[1eob]])' scene=''>
<StructureSection load='1eob' size='350' side='right' caption='Structure of protocatechuate 3,4-dioxygenase with Fe+3 complex with dihydroxybenzoate (PDB entry [[1eob]])' scene=''>
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'''Protocatechuate 3,4-dioxygenase''' (PCD) catalyzes the oxygenation of dihydroxybenzoate (DHB) to 3-carboxy-muconate. PCD participates in the aromatic compound benzoate degredation and uses Fe as cofactor. PCD consists of 8 subunits each containing an Fe and a substrate binding site. Each of these subunits is composed of α and β chains. Hydroxyphenyl acetate is an inhibitor of PCD.
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'''Dioxygenases''' cleave the aromatic rings of their substrates by inserting two oxygen atoms, thus degrading these compounds. The dioxygenases are divided into 2 groups according to their mode of ring scission. The intradiol enzymes use Fe+3 as cofactor and cleave the substrate between 2 hydroxyl groups. The extradiol enzymes use Fe+2 as cofactor and cleave the substrate between a hydroxylated carbon and a non-hydroxylated one. '''Protocatechuate 3,4-dioxygenase''' (PCD), belongs to the intradiol family and catalyzes the oxygenation of dihydroxybenzoate (DHB) to 3-carboxy-muconate. PCD participates in the aromatic compound benzoate degredation and uses Fe as cofactor. PCD consists of 8 subunits each containing an Fe and a substrate binding site. Each of these subunits is composed of α and β chains. Hydroxyphenyl acetate is an inhibitor of PCD. '''Catechol 1,2-dioxygenase''' (CTD) cleaves the ring of catechol by insertion of 2 oxygen atoms to form muconic acid. '''Homoprotocatechuate 3,4-dioxygenase''' (HPCD), an extradiol cleaving enzyme cleaves the aromatic ring of its substrate, adds 2 oxygen atoms to form α-hydroxy-δ carboxymethyl muconic semialdehyde. '''Naphthalene 1,2-dioxygenase''' (NDO) catalyzes the conversion of naphthalene and O2 to dihydronaphthalene-diol.
==3D structures of Protocatechuate 3,4-dioxygenase==
==3D structures of Protocatechuate 3,4-dioxygenase==
Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
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'''Dioxygenase Intradiol family'''
[[2pcd]] – PpPCD α,β + Fe+3 – ''Pseudomonas putida''<br />
[[2pcd]] – PpPCD α,β + Fe+3 – ''Pseudomonas putida''<br />
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[[2buu]], [[2buy]], [[2buz]] – AcPCD α,β (mutant) + Fe+3 + catechol derivative<br />
[[2buu]], [[2buy]], [[2buz]] – AcPCD α,β (mutant) + Fe+3 + catechol derivative<br />
[[3lxv]], [[3mi5]], [[3t67]] – PpPCD α,β (mutant) + Fe+3 + catechol derivative<br />
[[3lxv]], [[3mi5]], [[3t67]] – PpPCD α,β (mutant) + Fe+3 + catechol derivative<br />
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'''Protocatechuate 4,5-dioxygenase (PCD)'''
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[[1b4u]] – SpPCD α,β + Fe+3 + DHB – ''Sphingomonas paucimobilis''<br />
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[[1bou]] – SpPCD α,β + Fe+3 <br />
'''Catechol 1,2-dioxygenase (CTD''')
'''Catechol 1,2-dioxygenase (CTD''')
[[1dlm]], [[1dlq]] – AcCTD + Fe+3 <br />
[[1dlm]], [[1dlq]] – AcCTD + Fe+3 <br />
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[[2azq]] – PpCTD + Fe+3 <br />
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[[2wl3]], [[2wl9]] - RoCTD + Fe+3 - ''Rhodococcus opacus'' <br />
''CTD complex with aromatic compound''
''CTD complex with aromatic compound''
[[1dlt]], [[1dmh]] – AcCTD + Fe+3 + catechol derivative<br />
[[1dlt]], [[1dmh]] – AcCTD + Fe+3 + catechol derivative<br />
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[[3hgi]] – RoCTD + Fe+3 + benzoic acid – ''Rhodocoddus opacus''<br />
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[[3hgi]] – RoCTD + Fe+3 + benzoic acid <br />
[[3hhy]], [[3hkp]] – RoCTD + Fe+3 + DHB<br />
[[3hhy]], [[3hkp]] – RoCTD + Fe+3 + DHB<br />
[[3hj8]], [[3hjq]], [[3hjs]], [[3i4v]], [[3i4y]], [[3i51]] – RoCTD + Fe+3 + catechol derivative<br />
[[3hj8]], [[3hjq]], [[3hjs]], [[3i4v]], [[3i4y]], [[3i51]] – RoCTD + Fe+3 + catechol derivative<br />
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[[3o6j]] – RoCCTD + Fe+3 + hydroxyquinol<br />
[[3o6j]] – RoCCTD + Fe+3 + hydroxyquinol<br />
[[3o6r]] – RoCCTD + Fe+3 + pyrogallol<br />
[[3o6r]] – RoCCTD + Fe+3 + pyrogallol<br />
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[[2boy]] – RoCCTD + Fe+3 + benzhydroxamate<br />
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'''Catechol 2,3-dioxygenase (CTD)'''
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[[3lm4]] – RoCTD + Fe+3 + H2O2<br />
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'''Hydroxyquinol 1,2-dioxygenase (HQD)'''
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[[1tmx]] – PpHQD + Fe+3 – ''Pimelobacter simplex''<br />
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'''Nitrobenzene dioxygenase (NBDO)'''
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[[2bmo]] – CtNBDO + Fe+3 + Fe2S2 <br />
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[[2bmq]] – CtNBDO + Fe+3 + Fe2S2 + nitrobenzene<br />
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[[2bmr]] – CtNBDO + Fe+3 + Fe2S2 + nitrotoluene<br />
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'''α-ketoglutarate-dependent dioxygenase'''
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[[3t4h]], [[3t4v]], [[3t3y]] – EcAlkb + Fe+3 + inhibitor – ''Escherichia coli''<br />
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[[2fdj]], [[2fdg]] – EcAlkb + Mn+2 + succinate <br />
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[[4jht]] – EcAlkb + Mn+2 + qinoline derivative <br />
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[[2fdf]] – EcAlkb (mutant) + Co+2 + oxoglutarate <br />
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[[2fd8]] – EcAlkb (mutant) + Fe+2 + oxoglutarate <br />
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[[3khb]] – hAlkb (mutant) + Co+2 + oxoglutarate <br />
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[[3i3q]] – hAlkb + Mn+2 + oxoglutarate <br />
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[[3thp]] – hAlkb + Mn+2 + Zn+2 + oxoglutarate <br />
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[[3tht]] – hAlkb (mutant) + Mn+2 + Zn+2 + oxoglutarate <br />
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[[4idz]] – hFto + Ni+2 + oxalylglycine<br />
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[[4ie0]], [[4ie5]] – hFto + Zn+2 + pyrimidine derivative<br />
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[[4ie4]], [[4ie6]] – hFto + Zn+2 + quinoline derivative<br />
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[[4ie7]] – hFto + Zn+2 + rhein<br />
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'''Alkb complex with DNA'''
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[[3rzm]], [[3rzl]], [[3rzh]], [[3rzg]], [[3btz]] – hAlkb (mutant) + DNA<br />
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[[3h8x]], [[3h8r]], [[3h8o]], [[3bty]] – hAlkb (mutant) + DNA + inhibitor<br />
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[[3btx]] – hAlkb (mutant) + Mg+2 + DNA <br />
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[[3i49]], [[3i2o]] – hAlkb + Fe+2 + oxoglutarate + DNA <br />
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[[3i3m]] – hAlkb + Mn+2 + oxoglutarate + DNA<br />
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[[3s5a]], [[3s57]], [[3rzk]], [[3rzj]], [[3buc]], [[3bu0]], [[3bkz]] – hAlkb (mutant) + Mn+2 + oxoglutarate + DNA<br />
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[[3o1r]], [[3o1p]], [[3o1o]], [[3o1m]] – hAlkb (mutant) + Mn+2 + oxoglutarate + DNA + inhibitor<br />
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[[3bie]], [[3bi3]], [[2fdh]] – EcAlkb (mutant) + Mn+2 + oxoglutarate + DNA + inhibitor<br />
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[[2fdi]] – EcAlkb + Fe+2 + oxoglutarate + DNA + inhibitor<br />
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[[3khc]] – hAlkb (mutant) + Co+2 + oxoglutarate + DNA + inhibitor<br />
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[[3o1v]], [[3o1u]], [[3o1t]], [[3t1s]] – hAlkb (mutant) + Fe+3 + succinate + DNA + inhibitor<br />
'''Dioxygenase extradiol family'''
'''Dioxygenase extradiol family'''
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[[1ndo]], [[1o7h]], [[1o7w]] – PpNDO + Fe+3 + Fe2S2<br />
[[1ndo]], [[1o7h]], [[1o7w]] – PpNDO + Fe+3 + Fe2S2<br />
[[2hmj]] – PpNDO (mutant) + Fe+3 + Fe2S2 <br />
[[2hmj]] – PpNDO (mutant) + Fe+3 + Fe2S2 <br />
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[[2b1x]] – RoNDO + Fe+3 + Fe2S2<br />
''NDO complex with aromatic compound''
''NDO complex with aromatic compound''
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[[2hmm]], [[2hmn]] – PpNDO (mutant) + Fe+3 + Fe2S2 + anthracene<br />
[[2hmm]], [[2hmn]] – PpNDO (mutant) + Fe+3 + Fe2S2 + anthracene<br />
[[2hmo]] – PpNDO + Fe+3 + Fe2S2 + nitrotoluene<br />
[[2hmo]] – PpNDO + Fe+3 + Fe2S2 + nitrotoluene<br />
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[[2b24]] – RoNDO + Fe+3 + Fe2S2 + indole<br />
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[[4hm0]], [[4hm1]], [[4hm4]], [[4hm5]] – PsNDO + Fe+3 + Fe2S2 + indole derivative<br />
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[[4hm2]], [[4hm3]], [[4hm6]], [[4hm7]], [[4hm8]] – PsNDO + Fe+3 + Fe2S2 + phenyl derivative<br />
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[[4hjl]] – PsNDO + Fe+3 + Fe2S2 + chloronaphthalene<br />
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[[4hkv]] – PsNDO + Fe+3 + Fe2S2 + benzamide<br />
'''Dihydronaphthalene 1,2-dioxygenase (HNDO)'''
'''Dihydronaphthalene 1,2-dioxygenase (HNDO)'''
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[[2xr8]] – BxBDO + Fe+2 + Fe2S2 <br />
[[2xr8]] – BxBDO + Fe+2 + Fe2S2 <br />
[[2xso]], [[2yfi]] – BxBDO (mutant) + Fe+2 + Fe2S2 <br />
[[2xso]], [[2yfi]] – BxBDO (mutant) + Fe+2 + Fe2S2 <br />
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[[1uli]] - RoBDO + Fe+2 + Fe2S2 <br />
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[[2gbw]] - SyBDO + Fe+2 + Fe2S2 + O2 – ''Sphingobium yanoikuyae''<br />
''BDO complex with aromatic compound''
''BDO complex with aromatic compound''
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[[2xsh]] – BxBDO (mutant) + Fe+2 + Fe2S2 + biphenyl <br />
[[2xsh]] – BxBDO (mutant) + Fe+2 + Fe2S2 + biphenyl <br />
[[2yfj]], [[2yfl]] – BxBDO (mutant) + Fe+2 + Fe2S2 + dibenzofuran <br />
[[2yfj]], [[2yfl]] – BxBDO (mutant) + Fe+2 + Fe2S2 + dibenzofuran <br />
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[[1ulj]] - RoBDO + Fe+2 + Fe2S2 + biphenyl <br />
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[[2gbx]] - SyBDO + Fe+2 + Fe2S2 + biphenyl <br />
'''Tryptophan 2,3-dioxygenase (TDO)'''
'''Tryptophan 2,3-dioxygenase (TDO)'''
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[[2nw8]], [[2nw9]] – XcTDO + heme + Mn + tryptophan derivative<br />
[[2nw8]], [[2nw9]] – XcTDO + heme + Mn + tryptophan derivative<br />
[[2nox]] – CmTDO + heme – ''Cupriavidus metallidurans''<br />
[[2nox]] – CmTDO + heme – ''Cupriavidus metallidurans''<br />
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'''Cysteine dioxygenase type I (CysDO)'''
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[[2gh2]], [[4ieo]], [[4iep]], [[4ieq]], [[4ier]], [[4ies]], [[4iet]], [[4ieu]], [[4iev]], [[4iew]], [[4iex]], [[4iey]], [[4iez]], [[4jtn]], [[4jto]], [[4kwj]], [[4kwk]], [[4kwl]] – rCysDO + Fe+2 – rat <br />
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[[3eln]] – rCysDO + Fe+2 + cysteine derivative<br />
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[[2q4s]] – mCysDO + Ni+2 <br />
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[[2ic1]] – hCysDO + Fe+2 + cysteine<br />
'''4-hydroxyphenylpyruvate dioxygenase (HPPD)'''
'''4-hydroxyphenylpyruvate dioxygenase (HPPD)'''
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[[1tfz]], [[1tg5]] – AtHPPD + Fe+3 + inhibitor <br />
[[1tfz]], [[1tg5]] – AtHPPD + Fe+3 + inhibitor <br />
[[3isq]] – hHPPD + Co+2 - human<br />
[[3isq]] – hHPPD + Co+2 - human<br />
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[[1sp8]] – HPPD + Fe+2 – corn<br />
'''Quercetin 2,3-dioxygenase (QDO)'''
'''Quercetin 2,3-dioxygenase (QDO)'''
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'''Taurine/α-ketoglutarate dioxygenase (TauD)'''
'''Taurine/α-ketoglutarate dioxygenase (TauD)'''
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[[1gqw]], [[1gy9]], [[1os7]] – EcTauD + Fe+2 + taurine + oxoglutarate – ''Escherichia coli''<br />
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[[1gqw]], [[1gy9]], [[1os7]] – EcTauD + Fe+2 + taurine + oxoglutarate <br />
[[1otj]] – EcTauD + taurine <br />
[[1otj]] – EcTauD + taurine <br />
[[3pvj]], [[3v15]] – PpTauD <br />
[[3pvj]], [[3v15]] – PpTauD <br />
[[3v17]] – PpTauD + oxoglutarate <br />
[[3v17]] – PpTauD + oxoglutarate <br />
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[[3r1j]] – HAD + Fe+3 – ''Mycobacterium avium''<br />
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[[4j5i]] – HAD + Fe+3 – ''Mycobacterium smegmatis''<br />
'''3-hydroxyanthranilate 3,4-dioxygenase (HAD)'''
'''3-hydroxyanthranilate 3,4-dioxygenase (HAD)'''

Revision as of 10:09, 26 February 2014

Structure of protocatechuate 3,4-dioxygenase with Fe+3 complex with dihydroxybenzoate (PDB entry 1eob)

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Michal Harel, Alexander Berchansky, Joel L. Sussman, Jaime Prilusky

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