6.6.1.1: magnesium chelatase

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For detailed information about magnesium chelatase, go to the full flat file.

Word Map on EC 6.6.1.1

6.6.1.1

chlorophyll

chloroplast

tetrapyrrole

rhodobacter

protochlorophyllide

gun4

bacteriochlorophyll

5-aminolevulinic

phytoene

ferrochelatase

chlorophyll-deficient

plastid-to-nucleus

chlorophyllide

chlm

pale-green

geminivirus

thermosynechococcus

protoporphyrinogen

agriculture

semi-dominant

Reaction

+ 2 H+

Synonyms

ABAR, ABAR/CHLH, BchD, BchH, BchI, BchID, chelatase H, chelatase H subunit, ChlD, ChlH, ChlHID, CHLI, CHLI protein, CHLI1, ChlI1a, ChlI1b, ChlII, H subunit of Mg-chelatase, magnesium chelatase, magnesium-chelatase, magnesium-protoporphyrin chelatase, magnesium-protoporphyrin IX chelatase, Mg chelatase, Mg-chelatase, Mg-chelatase H, Mg-chelatase I subunit 1, Mg-protoporphyrin IX magnesio-lyase, Mg2+-chelatase, MGCH, Oil Yellow1, Oy1, protoporphyrin IX magnesium-chelatase, protoporphyrin IX Mg-chelatase, XanF, XanG, XanH, Xantha-f, YGL, ZmChlI

ECTree

6 Ligases

6.6 Forming nitrogen—metal bonds

6.6.1 Forming coordination complexes

6.6.1.1 magnesium chelatase

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Results	in table
14	Activating Compound
8741	AA Sequence
1	Application
1	CAS Registry Number
34	Cloned(Commentary)
12	Cofactor
4	Crystallization (Commentary)
4	Expression
10	General Information
2	General Stability
1	IC50 Value
8	Inhibitors
2	kcat/KM [mM/s]
1	Ki Value [mM]
22	KM Value [mM]
14	Localization
14	Metals/Ions
32	Molecular Weight [Da]
49	Natural Substrates/ Products (Substrates)
98	Organism
8	Pathway
20	PDB ID
4	pH Optimum
1	pH Stability
32	Protein Variants
19	Purification (Commentary)
53	Reaction
1	Reaction Type
89	Reference
25	Source Tissue
6	Specific Activity [micromol/min/mg]
79	Substrates and Products (Substrate)
47	Subunits
87	Synonyms
1	Systematic Name
8	Temperature Optimum [°C]
1	Temperature Stability [°C]
17	Turnover Number [1/s]

Source Tissue

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Source Tissue on EC 6.6.1.1 - magnesium chelatase

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5-week-old

the CHLH gene encoding the H subunit of Mg-chelatase is induced by continuous white, red, far-red or blue light with an initial peak after 24 h light. Mg-chelatase subunit genes CHLI and CHLD and the ferrochelatase genes FC1 and FC2 are not strongly regulated at the level of transcript abundance, but the Mg-chelatase regulator GUN4 has an expression profile almost identical to that observed for CHLH. Transcription of both CHLH and GUN4 is primarily under the control of phytochromes A and B and compromised in the phytochrome-signalling mutants fhy1 and fhy3

694573