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6.3.2.5: phosphopantothenate-cysteine ligase (CTP)

This is an abbreviated version!
For detailed information about phosphopantothenate-cysteine ligase (CTP), go to the full flat file.

Reaction

CTP
+
(R)-4'-phosphopantothenate
+
L-cysteine
=
CMP
+
diphosphate
+
N-[(R)-4'-phosphopantothenoyl]-L-cysteine

Synonyms

4’-phosphopantothenoylcysteine synthetase, CoaB, CoaBC, coupling enzyme, Dfp, pantothenate 4´-phosphate:L-cysteine ligase, phosphopantothenate-cysteine ligase, phosphopantothenoyl-cysteine ligase, phosphopantothenoylcysteine synthetase, PPC synthase, PPC synthetase, PPC-S, PPCS, synthetase, phosphopantothenoylcysteine

ECTree

     6 Ligases
         6.3 Forming carbon-nitrogen bonds
             6.3.2 Acid—amino-acid ligases (peptide synthases)
                6.3.2.5 phosphopantothenate-cysteine ligase (CTP)

Crystallization

Crystallization on EC 6.3.2.5 - phosphopantothenate-cysteine ligase (CTP)

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CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
structure of the C-terminal recombinant fragment of Escherichia coli Dfp protein spanning Ser181 to Arg406 which harbors the structures of the phosphopantothenoylcysteine synthetase, apo-form and the synthetase complexed with CTP, the activated acyl-intermediate, 4'-phosphopantothenoyl-CMP and with the reaction product CMP, sitting drop vapor diffusion