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Literature summary extracted from

  • Gololobov, M.Y.; Wang, W.; Bateman, R.C., Jr.
    Substrate and inhibitor specificity of glutamine cyclotransferase (QC) (1996), Biol. Chem. Hoppe-Seyler, 377, 395-398.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.3.2.5 0.09
-
 Gln-Gln
-
 Carica papaya
2.3.2.5 0.12
-
 Gln-Val
-
 Carica papaya
2.3.2.5 0.17
-
 Gln-Glu
-
 Carica papaya
2.3.2.5 0.21
-
 Gln-Ala
-
 Carica papaya
2.3.2.5 0.31
-
 Gln-Gln-Gln
-
 Carica papaya
2.3.2.5 0.32
-
 glutamine tert-butyl ester
-
 Carica papaya
2.3.2.5 1.1
-
 Gln-Gly
-
 Carica papaya
2.3.2.5 1.3
-
 Gln-NH2
-
 Carica papaya
2.3.2.5 16
-
 Gln
-
 Carica papaya

Organism

EC Number Organism UniProt Comment Textmining
2.3.2.5 Carica papaya
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.3.2.5 latex
-
 Carica papaya
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.3.2.5 Gln
-
 Carica papaya L-5-oxoproline + NH3
-
 ?
2.3.2.5 Gln-Ala
-
 Carica papaya Glp-Ala + NH3
-
 ?
2.3.2.5 Gln-Gln
-
 Carica papaya Glp-Gln + NH3
-
 ?
2.3.2.5 Gln-Gln-Gln
-
 Carica papaya Glp-Gln-Gln + NH3
-
 ?
2.3.2.5 Gln-Glu
-
 Carica papaya Glp-Glu + NH3
-
 ?
2.3.2.5 Gln-Gly
-
 Carica papaya Glp-Gly + NH3
-
 ?
2.3.2.5 Gln-NH2
-
 Carica papaya Glp-amide + NH3
-
 ?
2.3.2.5 Gln-Val
-
 Carica papaya Glp-Val + NH3
-
 ?
2.3.2.5 glutamine tert-butyl ester
-
 Carica papaya pyroglutamyl-tert-butyl ester + NH3
-
 ?
2.3.2.5 L-glutamine tert-butyl ester
-
 Carica papaya L-pyroglutamate tert-butyl ester + NH3
-
 ?
2.3.2.5 additional information the second amino acid residue in N-terminal glutaminyl peptides significantly accelerates activity while the third residue provides no further rate enhancement. Substrate binding is the main specificity-determining step Carica papaya ?
-
 ?