2.1.1.158: 7-methylxanthosine synthase

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For detailed information about 7-methylxanthosine synthase, go to the full flat file.

Reaction

Synonyms

7-methylxanthine 3-N-methyltransferase, 7-methylxanthine synthase, 7-methylxanthosine synthase, 7-methylxanthosine synthase 1, 7-N-methyltransferase, 7NMT, CmXRS1, N-methyltransferase, SAM:xanthosine 7-N-methyltransferase, xanthosine methyltransferase, xanthosine-N7-methyltransferase, xanthosine:S-adenosyl-L-methionine methyltransferase, XMT, XMT1, XRS1

ECTree

     2 Transferases

         2.1 Transferring one-carbon groups

             2.1.1 Methyltransferases

                2.1.1.158 7-methylxanthosine synthase

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Results	in table
7	AA Sequence
1	Application
1	CAS Registry Number
11	Cloned(Commentary)
1	Cofactor
3	Crystallization (Commentary)
1	Expression
2	General Information
2	KM Value [mM]
1	Localization
3	Metals/Ions
9	Molecular Weight [Da]
19	Natural Substrates/ Products (Substrates)
20	Organism
6	Pathway
6	pH Optimum
2	pI Value
19	Protein Variants
5	Purification (Commentary)
3	Reaction
20	Reference
35	Source Tissue
3	Specific Activity [micromol/min/mg]
34	Substrates and Products (Substrate)
6	Subunits
31	Synonyms
1	Systematic Name
6	Temperature Optimum [°C]

Crystallization

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Crystallization on EC 2.1.1.158 - 7-methylxanthosine synthase

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CRYSTALLIZATION (Commentary)

ORGANISM

UNIPROT

LITERATURE

purified recombinant wild-type and selenomethionine-labeled XMT, 23-28% PEG 3350, 0.2 M LiCl, 0.1 M Tris-HCl, pH 8.5-8.7, 2 mM DTT, 1 mM S-adenosyl-L-cysteine, and 1 mM xanthosine, 1-3 days, 20°C, X-ray diffraction structure determination and analysis at 2.8-3.0 A resolution

Coffea canephora

A4GE69

667101

purified recombinant wild-type and selenomethionine-labeled XMT, 23-28% PEG 3350, 0.2 M LiCl, 0.1 M Tris-HCl, pH 8.5-8.7, 2 mM DTT, 2 mM S-adenosyl-L-cysteine, and 2 mM xanthosine, 1-3 days, 20°C, plate-like crystals, X-ray diffraction structure determination and analysis at 2.2 A resolution

Coffea canephora

A4GE69

670598

using Linbro plates and the conventional hanging-drop technique, in the presence of the demethylated cofactor S-adenosyl-l-cysteine or xanthosine

Coffea canephora

A4GE69

684218