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EC 2.1.4.3 Details

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EC number

2.1.4.3

Accepted name

L-arginine:L-lysine amidinotransferase

Reaction

L-arginine + L-lysine = L-ornithine + L-homoarginine

Other name(s)

amtA (gene name)

Systematic name

L-arginine:L-lysine amidinotransferase

Comment

The enzyme, characterized from the bacterium Pseudomonas savastanoi pv. phaseolicola, is involved in the biosynthesis of the toxin phaseolotoxin, a modified tripeptide that causes the ’halo blight’ disease of beans.

History

created 2019

EC Tree

1 Oxidoreductases

2 Transferases

2.1 Transferring one-carbon groups

2.1.1 Methyltransferases

2.1.2 Hydroxymethyl-, formyl- and related transferases

2.1.3 Carboxy- and carbamoyltransferases

2.1.4 Amidinotransferases

2.1.4.1 glycine amidinotransferase

2.1.4.2 scyllo-inosamine-4-phosphate amidinotransferase

2.1.4.3 L-arginine:L-lysine amidinotransferase

2.1.5 Methylenetransferases

2.2 Transferring aldehyde or ketonic groups

2.3 Acyltransferases

2.4 Glycosyltransferases

2.5 Transferring alkyl or aryl groups, other than methyl groups

2.6 Transferring nitrogenous groups

2.6.1 Transaminases

2.6.2 Amidinotransferases (deleted sub-subclass)

2.6.2.1 created 1961, deleted 1965

2.6.3 Oximinotransferases

2.6.3.1 oximinotransferase

2.6.99 Transferring other nitrogenous groups

2.7 Transferring phosphorus-containing groups

2.8 Transferring sulfur-containing groups

2.9 Transferring selenium-containing groups

2.9.1 Selenotransferases

2.10 Transferring molybdenum- or tungsten-containing groups

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Release 2023.1 (January 2023)