Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Calmodulin | shifts the Ca2+-ATPase to the high-affinity form | Homo sapiens | |
additional information | activation by controlled proteolysis | Homo sapiens | |
phosphatidylserine | can replace calmodulin in shifting the enzyme to the high-affinity form | Homo sapiens |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
4,4'-diisothiocyano-2,2'-stilbenedisulfonic acid | - |
Homo sapiens | |
N-4-(azido-2-nitrophenyl)-2-aminoethylsulfonate | - |
Homo sapiens | |
vanadate | - |
Homo sapiens |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.000013 | - |
Ca2+ | enzyme from liver | Homo sapiens | |
0.000021 | - |
ATP | enzyme from liver | Homo sapiens | |
0.000037 | - |
UTP | enzyme from liver | Homo sapiens | |
0.0005 | - |
Ca2+ | phosphatidylserine environment with or without calmodulin, enzyme from erythrocytes | Homo sapiens | |
0.02 | - |
Ca2+ | phosphatidylcholine environment with or without calmodulin, enzyme from erythrocytes | Homo sapiens |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
membrane | - |
Homo sapiens | 16020 | - |
plasma membrane | - |
Homo sapiens | 5886 | - |
sarcoplasmic reticulum | - |
Homo sapiens | 16529 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
138000 | - |
x * 138000, enzyme may exist in both the monomeric and dimeric enzyme form, SDS-PAGE | Homo sapiens |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
no glycoprotein | - |
Homo sapiens |
side-chain modification | contains about 7 mol phosphate per mol of protein | Homo sapiens |
Purification (Comment) | Organism |
---|---|
- |
Homo sapiens |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
erythrocyte | - |
Homo sapiens | - |
liver | - |
Homo sapiens | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + H2O + Ca2+/out | - |
Homo sapiens | ADP + phosphate + Ca2+/in | - |
? | |
UTP + H2O + Ca2+/in | - |
Homo sapiens | UDP + phosphate + Ca2+/out | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 138000, enzyme may exist in both the monomeric and dimeric enzyme form, SDS-PAGE | Homo sapiens |