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NiceZyme View of ENZYME: EC 1.14.13.81

Official Name
Magnesium-protoporphyrin IX monomethyl ester (oxidative) cyclase.
Alternative Name(s)
Mg-protoporphyrin IX monomethyl ester oxidative cyclase.
Reaction catalysed
  • Magnesium-protoporphyrin IX 13-monomethyl ester + NADPH + O(2) <=> 13(1)-hydroxy-magnesium-protoporphyrin IX 13-monomethyl ester + NADP(+) + H(2)O
  • 13(1)-hydroxy-magnesium-protoporphyrin IX 13-monomethyl ester + NADPH + O(2) <=> 13(1)-oxo-magnesium-protoporphyrin IX 13-monomethyl ester + NADP(+) + 2 H(2)O
  • 13(1)-oxo-magnesium-protoporphyrin IX 13-monomethyl ester + NADPH + O(2) <=> divinylprotochlorophyllide + NADP(+) + 2 H(2)O
Cofactor(s)
Iron.
Comment(s)
The cyclase activity in Chlamydomonas reinhardtii is associated exclusively with the membranes, whereas that from cucumber cotyledons requires both membrane and soluble fractions for activity.
Cross-references
BRENDA1.14.13.81
PUMA21.14.13.81
PRIAM enzyme-specific profiles1.14.13.81
KEGG Ligand Database for Enzyme Nomenclature1.14.13.81
IUBMB Enzyme Nomenclature1.14.13.81
IntEnz1.14.13.81
MEDLINEFind literature relating to 1.14.13.81
MetaCyc1.14.13.81
UniProtKB/Swiss-Prot
Q8YX57, ACSF1_ANASP;  Q8DJ05, ACSF1_SYNEL;  P72584, ACSF1_SYNY3;  
Q8YVU4, ACSF2_ANASP;  Q8DI68, ACSF2_SYNEL;  P74134, ACSF2_SYNY3;  
Q8YRZ2, ACSF3_ANASP;  A5EQ73, ACSF_BRASB;  A4YNQ1, ACSF_BRASO;  
Q9TLR8, ACSF_CYACA;  Q85FX6, ACSF_CYAME;  Q7NFA1, ACSF_GLOVI;  
Q6B8U1, ACSF_GRATL;  P51277, ACSF_PORPU;  Q1XDK9, ACSF_PORYE;  
A3PD22, ACSF_PROM0;  A8G4Z1, ACSF_PROM2;  A2BWG6, ACSF_PROM5;  
Q31AS9, ACSF_PROM9;  Q7VBV0, ACSF_PROMA;  Q7V3Y9, ACSF_PROMM;  
Q7V1M1, ACSF_PROMP;  A2BR98, ACSF_PROMS;  Q8VPB5, ACSF_RHOGE;  
Q2ISZ6, ACSF_RHOP2;  Q6N9J7, ACSF_RHOPA;  Q132P2, ACSF_RHOPS;  
Q5MZZ2, ACSF_SYNP6;  Q31LY2, ACSF_SYNP7;  A5GKR3, ACSF_SYNPW;  
Q7U6Y8, ACSF_SYNPX;  A5GU20, ACSF_SYNR3;  Q0IAL0, ACSF_SYNS3;  
Q3AK18, ACSF_SYNSC;  Q118B4, ACSF_TRIEI;  Q9M591, CRD1_ARATH;  
Q9LD46, CRD1_CHLRE;  Q945B7, CRD1_EUPES;  Q6SJV8, CRD1_GOSHI;  
Q5EFU4, CRD1_HORVU;  Q9AR22, CTH1_CHLRE;  

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