chlorophyll a degradation II

Meguro M, Ito H, Takabayashi A, Tanaka R, Tanaka A. Identification of the 7-Hydroxymethyl Chlorophyll a Reductase of the Chlorophyll Cycle in Arabidopsis . 2011 Sep 01;23(9):3442–53. doi: 10.1105/tpc.111.089714.; Büchert AM, Civello PM, Martínez GA. Chlorophyllase versus pheophytinase as candidates for chlorophyll dephytilation during senescence of broccoli. J Plant Physiol. 2011 Mar 01;168(4):337–43. doi: 10.1016/j.jplph.2010.07.011. PMID: 20727617.; Schelbert S, Aubry S, Burla B, Agne B, Kessler F, Krupinska K, Hörtensteiner S. Pheophytin pheophorbide hydrolase (pheophytinase) is involved in chlorophyll breakdown during leaf senescence in Arabidopsis. Plant Cell. 2009 Mar;21(3):767–85. PMID: 19304936; PMCID: PMC2671698.; Eckardt NA. A new chlorophyll degradation pathway. Plant Cell. 2009 Mar;21(3):700. PMID: 19304932; PMCID: PMC2671716.; Schenk N, Schelbert S, Kanwischer M, Goldschmidt EE, Dörmann P, Hörtensteiner S. The chlorophyllases AtCLH1 and AtCLH2 are not essential for senescence-related chlorophyll breakdown in Arabidopsis thaliana. FEBS Lett. 2007 Nov 27;581(28):5517–25. doi: 10.1016/j.febslet.2007.10.060. PMID: 17996203.; Amir-Shapira D, Goldschmidt EE, Altman A. Chlorophyll catabolism in senescing plant tissues: In vivo breakdown intermediates suggest different degradative pathways for Citrus fruit and parsley leaves. Proc. Natl. Acad. Sci. U.S.A. 1987 Apr;84(7):1901–5. doi: 10.1073/pnas.84.7.1901.

Metabolites

H+

Formula: H (1.0078246)

CAS ID: 12408-02-5

H2O

Formula: H2O (18.0105642)

CAS ID: 7732-18-5

Magnesium cation

Formula: Mg (23.98505)

CAS ID: 22537-22-0

Oxygen

Formula: O2 (31.98983)

CAS ID: 7782-44-7

Phytol

Formula: C20H40O (296.307899)

CAS ID: 7541-49-3



Enzyme

EC Number name full name note
3.1.1.-
1.3.7.12 red chlorophyll catabolite reductase primary fluorescent chlorophyll catabolite + 2 oxidized ferredoxin [iron-sulfur] cluster = red chlorophyll catabolite + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+


Proteins

Protein ID name full name