4.4.1.19: phosphosulfolactate synthase

This is an abbreviated version!
For detailed information about phosphosulfolactate synthase, go to the full flat file.

Reaction

Synonyms

(2R)-O-phospho-3-sulfolactate sulfo-lyase, (2R)-phospho-3-sulfolactate synthase, ComA, phosphosulfolactate synthase, XAUT_RS24680, Xcb1, XcbB1

ECTree

4 Lyases

4.4 Carbon-sulfur lyases

4.4.1 Carbon-sulfur lyases (only sub-subclass identified to date)

4.4.1.19 phosphosulfolactate synthase

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Results	in table
316	AA Sequence
1	Application
1	CAS Registry Number
1	Cloned(Commentary)
2	Crystallization (Commentary)
1	General Information
6	Inhibitors
1	Ki Value [mM]
1	KM Value [mM]
1	Metals/Ions
3	Molecular Weight [Da]
3	Natural Substrates/ Products (Substrates)
5	Organism
6	Pathway
1	PDB ID
2	pH Optimum
1	pH Range
1	Protein Variants
1	Purification (Commentary)
4	Reaction
2	Reaction Type
4	Reference
1	Renatured (Commentary)
2	Specific Activity [micromol/min/mg]
1	Storage Stability
7	Substrates and Products (Substrate)
2	Subunits
7	Synonyms
1	Systematic Name
1	Temperature Optimum [°C]

Systematic Name

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Systematic Name on EC 4.4.1.19 - phosphosulfolactate synthase

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(2R)-2-O-phospho-3-sulfolactate hydrogen-sulfite-lyase (phosphoenolpyruvate-forming)

Requires Mg2+. The enzyme from the archaeon Methanococcus jannaschii catalyses the Michael addition of sulfite to phosphoenolpyruvate. It specifically requires phosphoenolpyruvate and its broad alkaline pH optimum suggests that it uses sulfite rather than hydrogensulfite.