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Literature summary extracted from

  • Lin, M.F.; Lee, C.L.; Li, S.S.L.; Chu, T.M.
    Purification and characterization of a new human prostatic acid phosphatase isoenzyme (1983), Biochemistry, 22, 1055-1062.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.3.2 Ca2+ isoenzyme PAP-II is inhibited, isoenzyme PAP-I is not inhibited Homo sapiens
3.1.3.2 F-
-
Homo sapiens
3.1.3.2 Fe2+ isoenzyme PAP-II is inhibited, isoenzyme PAP-I is not inhibited Homo sapiens
3.1.3.2 La3+ isoenzyme PAP-II is inhibited, isoenzyme PAP-I is not inhibited Homo sapiens
3.1.3.2 Tartrate
-
Homo sapiens

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.3.2 0.092
-
Alpha-naphthyl phosphate isoenzyme PAP-I Homo sapiens
3.1.3.2 0.13
-
Alpha-naphthyl phosphate isoenzyme PAP-II Homo sapiens
3.1.3.2 0.47
-
p-nitrophenyl phosphate isoenzyme PAP-I Homo sapiens
3.1.3.2 0.53
-
thymolphthalein monophosphate isoenzyme PAP-I Homo sapiens
3.1.3.2 0.54
-
p-nitrophenyl phosphate isoenzyme PAP-II Homo sapiens
3.1.3.2 1.1
-
thymolphthalein monophosphate isoenzyme PAP-II Homo sapiens
3.1.3.2 1.5
-
GMP isoenzyme PAP-II Homo sapiens
3.1.3.2 2.9
-
2-glycerophosphate isoenzyme PAP-II Homo sapiens
3.1.3.2 3.3
-
GMP isoenzyme PAP-I Homo sapiens
3.1.3.2 4
-
phosphorylcholine isoenzyme PAP-I Homo sapiens
3.1.3.2 10
-
2-glycerophosphate isoenzyme PAP-I Homo sapiens
3.1.3.2 10
-
phosphorylcholine isoenzyme PAP-II Homo sapiens

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.3.2 55000
-
2 * 55000, isoenzyme PAP-II, SDS-PAGE Homo sapiens
3.1.3.2 120000
-
isoenzyme PAP-II, gel filtration Homo sapiens

Organism

EC Number Organism UniProt Comment Textmining
3.1.3.2 Homo sapiens
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.1.3.2 glycoprotein
-
Homo sapiens

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.3.2 isoenzyme A, B and C 103 Homo sapiens

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.3.2 prostate gland isoenzyme PAP-I and PAP-II Homo sapiens
-
3.1.3.2 prostate gland carcinoma prostate, benign prostate hypertrophy, normal prostate Homo sapiens
-
3.1.3.2 seminal plasma isoenzyme PAP-II Homo sapiens
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.3.2 1-naphthyl phosphate + H2O
-
Homo sapiens 1-naphthol + phosphate
-
?
3.1.3.2 2-glycerophosphate + H2O
-
Homo sapiens glycerol + phosphate
-
?
3.1.3.2 GMP + H2O
-
Homo sapiens guanosine + phosphate
-
?
3.1.3.2 p-nitrophenyl phosphate + H2O
-
Homo sapiens p-nitrophenol + phosphate
-
?
3.1.3.2 phosphocholine + H2O
-
Homo sapiens choline + phosphate
-
?
3.1.3.2 thymolphthalein monophosphate + H2O
-
Homo sapiens thymolphthalein + phosphate
-
?

Subunits

EC Number Subunits Comment Organism
3.1.3.2 dimer
-
Homo sapiens
3.1.3.2 monomer 2 * 55000, isoenzyme PAP-II, SDS-PAGE Homo sapiens

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.1.3.2 37
-
90 min, isoenzyme PAP-I and PAP-II, 40% loss of activity Homo sapiens

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.3.2 5.5
-
isoenzyme PAP-I Homo sapiens
3.1.3.2 6
-
isoenzyme PAP-II Homo sapiens