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]

Reaction

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Reaction on EC 4.4.1.19 - phosphosulfolactate synthase

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REACTION

REACTION DIAGRAM

COMMENTARY

ORGANISM

UNIPROT

LITERATURE

(2R)-2-O-phospho-3-sulfolactate = phosphoenolpyruvate + sulfite

4 entries

(2R)-2-O-phospho-3-sulfolactate = phosphoenolpyruvate + sulfite

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(2R)-2-O-phospho-3-sulfolactate = phosphoenolpyruvate + sulfite

mechanism, enzyme is not a member of the enolase superfamily

Methanocaldococcus jannaschii

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639026

(2R)-2-O-phospho-3-sulfolactate = phosphoenolpyruvate + sulfite

catalyses the Michael addition of sulfite to phosphoenolpyruvate, requires Mg2+, specifically requires phosphoenolpyruvate and its broad alkaline pH optimum suggests that it uses sulfite rather than bisulfite

Methanocaldococcus jannaschii

Q57703

639025

(2R)-2-O-phospho-3-sulfolactate = phosphoenolpyruvate + sulfite

The reaction has been observed only in the direction of Michael addition of sulfite to phosphoenolpyruvate. It is the first reaction of biosynthesis of coenzyme M in the methanogenic archaeon Methanococcus jannaschii. Its broad alkaline pH optimum suggests that it uses sulfite rather than bisulfite

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