Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 4.2.1.1 extracted from

  • Hopkinson, B.M.; Meile, C.; Shen, C.
    Quantification of extracellular carbonic anhydrase activity in two marine diatoms and investigation of its role (2013), Plant Physiol., 162, 1142-1152.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 4.2.1.1

Inhibitors

Inhibitors Comment Organism Structure
acetazolamide at very low CO2 concentrations enzyme inhibition reduces photosynthesis Conticribra weissflogii
acetazolamide at very low CO2 concentrations enzyme inhibition reduces photosynthesis Thalassiosira pseudonana
dextran-bound acetazolamide at very low CO2 concentrations enzyme inhibition reduces photosynthesis. Inhibition of enzyme reduces growth by about 10% at pH 8.4 Conticribra weissflogii
dextran-bound acetazolamide at very low CO2 concentrations enzyme inhibition reduces photosynthesis Thalassiosira pseudonana

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.087
-
 CO2 pH 7.9, temperature not specified in the publication Conticribra weissflogii

Organism

Organism UniProt Comment Textmining
Conticribra weissflogii
-
-
-
Thalassiosira pseudonana
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CO2 + H2O
-
 Conticribra weissflogii H2CO3
-
 ?
CO2 + H2O
-
 Thalassiosira pseudonana H2CO3
-
 ?

Synonyms

Synonyms Comment Organism
eCA
-
 Conticribra weissflogii
eCA
-
 Thalassiosira pseudonana
extracellular carbonic anhydrase
-
 Conticribra weissflogii
extracellular carbonic anhydrase
-
 Thalassiosira pseudonana

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
150
-
 CO2 pH 7.9, temperature not specified in the publication, the activities depended on culture conditions, ranging between 20/sec and 150/sec Conticribra weissflogii
200
-
 CO2 pH 7.9, temperature not specified in the publication, the activities depended on culture conditions, ranging between 80/sec and 200/sec Thalassiosira pseudonana

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.9
-
 assay at Conticribra weissflogii
7.9
-
 assay at Thalassiosira pseudonana

pH Range

pH Minimum pH Maximum Comment Organism
7.5 8.4 enzyme activity increases linearly with pH Conticribra weissflogii
7.8 8.6 enzyme activity increases linearly with pH Thalassiosira pseudonana

Expression

Organism Comment Expression
Thalassiosira pseudonana eCA expression is primarily controlled by CO2 up

General Information

General Information Comment Organism
malfunction at very low CO2 concentrations eCA inhibition reduces photosynthesis Thalassiosira pseudonana
malfunction at very low CO2 concentrations enzyme inhibition reduces photosynthesis Conticribra weissflogii