:L-glutamyl-(BtrI acyl-carrier protein) decarboxylase

{{Infobox enzyme

| Name = L-glutamyl-(BtrI acyl-carrier protein) decarboxylase

| EC_number = 4.1.1.95

| CAS_number =

| GO_code =

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L-glutamyl-(BtrI acyl-carrier protein) decarboxylase ({{EnzExplorer|4.1.1.95}}, btrK (gene)) is an enzyme with systematic name L-glutamyl-(BtrI acyl-carrier protein) carboxy-lyase.{{cite journal | vauthors = Li Y, Llewellyn NM, Giri R, Huang F, Spencer JB | title = Biosynthesis of the unique amino acid side chain of butirosin: possible protective-group chemistry in an acyl carrier protein-mediated pathway | journal = Chemistry & Biology | volume = 12 | issue = 6 | pages = 665–75 | date = June 2005 | pmid = 15975512 | doi = 10.1016/j.chembiol.2005.04.010 | doi-access = free }} This enzyme catalyses the following chemical reaction

: L-glutamyl-[BtrI acyl-carrier protein] $\backslash rightleftharpoons$ 4-amino butanoyl-[BtrI acyl-carrier protein] + CO₂

This enzyme binds pyridoxal 5'-phosphate.