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6.3.1.20: lipoate-protein ligase

This is an abbreviated version!
For detailed information about lipoate-protein ligase, go to the full flat file.

Word Map on EC 6.3.1.20

Reaction

ATP
+
(R)-lipoate
+
a [lipoyl-carrier protein]-L-lysine
=
a [lipoyl-carrier protein]-N6-(lipoyl)lysine
+
AMP
+
diphosphate

Synonyms

CTD, EC 2.7.7.63, LIP3, LipB, LipL1, lipoate ligase, lipoate ligase like protein, lipoate protein ligase, lipoate protein ligase B, lipoate-bound lipoate ligase 1, lipoate-protein ligase, lipoate-protein ligase A, lipoic acid ligase, lipoic acid ligase A, lipoic acid protein ligase, lipoic acid protein ligase A1, lipoyl ligase, lipoyl-protein ligase A, LPLA, LplA-LplB complex, LplA1, LplA1Ct, Lpla2, LplB, Oryza s. lipoate-protein ligase A, OsLPLA, PfLipL1

ECTree

     6 Ligases
         6.3 Forming carbon-nitrogen bonds
             6.3.1 Acid—ammonia (or amine) ligases (amide synthases)
                6.3.1.20 lipoate-protein ligase

Crystallization

Crystallization on EC 6.3.1.20 - lipoate-protein ligase

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CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
alone and in complex with lipoic acid
-
structural models of LplA1 and LplA2 based on Escherichia coli (PDB: 1X2H) and Streptococcus pneumoniae (PDB: 1VQZ) LplA proteins, conserved lipoyl-AMP binding pocket, LplA1: regions of clustered negatively charged residues, overall electrostatic potential of -13, LplA2: overall electrostatic potential of -5
-
structural comparison of lipoate-protein ligase with cysteine/lysine dyad acyltransferase LipB shows conserved structural and sequence active-site features, but 4’-phosphopantheine-bound octanoic acid recognition is a specific property of cysteine/lysine dyad acyltransferase
-
purified recombinant lipoyl-PfLipL1D243-279 complex, mixing of 0.001 ml of 5 mg/ml protein, 1.2 mol equiv of lipoate, and excess ATP with 0.001 ml of reservoir solution containing 100 mM HEPES, pH 7.0, 1.5 M (NH4)2SO4, and 20% ethylene glycol, 20°C, method optimization, X-ray diffraction structure determination and analysis at 2.32 A resolution
as apo form, in complex with ATP, and as lipoyl-AMP-complex. Lipoyl-AMP is bound deeply in the bifurcated pocket and adopts a U-shaped conformation