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Literature summary for 3.4.21.104 extracted from

  • Rossi, V.; Cseh, S.; Bally, I.; Thielens, N.M.; Jensenius, J.C.; Arlaud, G.J.
    Substrate specificities of recombinant mannan-binding lectin-associated serine proteases-1 and -2 (2001), J. Biol. Chem., 276, 40880-40887.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
mature protein and truncated fragments Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
C1 inhibitor abolishes activity at a 1:1 inhibitor:protease concentration Homo sapiens
additional information no inhibitor: alpha-2-macroglobulin Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.8
-
p-tosyl-L-arginine methyl ester pH 7.4, 30°C Homo sapiens
4.4
-
Nalpha-benzoyl-L-arginine ethyl ester pH 7.4, 30°C Homo sapiens
6.5
-
Complement component C2 pH 7.4, 30°C Homo sapiens
6.7
-
N-acetylglycine-L-lysine methyl ester pH 7.4, 30°C Homo sapiens
40
-
N-carboxybenzoylglycine-L-arginine thiobenzyl ester pH 7.4, 30°C Homo sapiens
74
-
Complement component C4 pH 7.4, 30°C Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Protein + H2O Homo sapiens
-
?
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
mature protein and truncated fragments Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
complement component C2 + H2O
-
Homo sapiens complement component C2a + complement component C2b
-
?
complement component C2 + H2O
-
Homo sapiens ?
-
?
complement component C3 + H2O very weak substrate Homo sapiens ?
-
?
complement component C4 + H2O
-
Homo sapiens ?
-
?
complement component C4 + H2O
-
Homo sapiens complement component C4-alpha + complement component C4-alpha'
-
?
N-acetylglycine-L-lysine methyl ester + H2O
-
Homo sapiens ?
-
?
N-carboxybenzoylglycine-L-arginine thiobenzyl ester + H2O
-
Homo sapiens ?
-
?
Nalpha-benzoyl-L-arginine ethyl ester + H2O
-
Homo sapiens ?
-
?
p-tosyl-L-arginine methyl ester + H2O
-
Homo sapiens ?
-
?
Protein + H2O
-
Homo sapiens ?
-
?

Synonyms

Synonyms Comment Organism
MASP-2
-
Homo sapiens

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.2
-
Complement component C4 pH 7.4, 30°C Homo sapiens
2.4
-
Nalpha-benzoyl-L-arginine ethyl ester pH 7.4, 30°C Homo sapiens
4.9
-
Complement component C2 pH 7.4, 30°C Homo sapiens
7.1
-
p-tosyl-L-arginine methyl ester pH 7.4, 30°C Homo sapiens
12.7
-
N-carboxybenzoylglycine-L-arginine thiobenzyl ester pH 7.4, 30°C Homo sapiens
133
-
N-acetylglycine-L-lysine methyl ester pH 7.4, 30°C Homo sapiens