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Literature summary extracted from

  • Alessi, D.; MacDougall, L.K.; Sola, M.M.; Ikebe, M.; Cohen, P.
    The control of protein phosphatase-1 by targetting subunits. The major myosin phosphatase in avian smooth muscle is a novel form of protein phosphatase-1 (1992), Eur. J. Biochem., 210, 1023-1035.
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.3.53 myofibril
-
 Gallus gallus 30016
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.3.53 20000
-
 x * 130000 + x * 37000 + x * 20000, 37 kDa catalytic subunit, ratio 1:1:1, SDS-PAGE Gallus gallus
3.1.3.53 37000
-
 x * 130000 + x * 37000 + x * 20000, 37 kDa catalytic subunit, ratio 1:1:1, SDS-PAGE Gallus gallus
3.1.3.53 130000
-
 x * 130000 + x * 37000 + x * 20000, 37 kDa catalytic subunit, ratio 1:1:1, SDS-PAGE Gallus gallus
3.1.3.53 230000
-
 glycerol gradient centrifugation, gel filtration, sedimentation data Gallus gallus

Organism

EC Number Organism UniProt Comment Textmining
3.1.3.53 Gallus gallus
-
 PP-1
-
3.1.3.53 Gallus gallus PP-1
-
 PP-1
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.3.53
-
 Gallus gallus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.3.53 gizzard smooth muscle
-
 Gallus gallus
-

Storage Stability

EC Number Storage Stability Organism
3.1.3.53 -20°C, several months, stable Gallus gallus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.3.53 myosin light-chain phosphate + H2O the 130 kDa subunit and the 20 kDa subunit enhance activity of the catalytic subunit towards heavy meromyosin or the isolated P-light-chain from smooth muscle Gallus gallus myosin light-chain + phosphate
-
 ?
3.1.3.53 myosin light-chain phosphate + H2O the 130 kDa subunit and the 20 kDa subunit enhance activity of the catalytic subunit towards heavy meromyosin or the isolated P-light-chain from smooth muscle Gallus gallus PP-1 myosin light-chain + phosphate
-
 ?
3.1.3.53 phosphorylated glycogen synthase + H2O the 130 kDa subunit and the 20 kDa subunit suppress activity of the catalytic subunit towards phosphorylase A and glycogen synthase Gallus gallus glycogen synthase + phosphate
-
 ?
3.1.3.53 phosphorylated glycogen synthase + H2O the 130 kDa subunit and the 20 kDa subunit suppress activity of the catalytic subunit towards phosphorylase A and glycogen synthase Gallus gallus PP-1 glycogen synthase + phosphate
-
 ?
3.1.3.53 phosphorylated heavy meromyosin + H2O the 130 kDa subunit and the 20 kDa subunit enhance activity of the catalytic subunit towards heavy meromyosin or the isolated P-light-chain from smooth muscle Gallus gallus heavy meromyosin + phosphate
-
 ?
3.1.3.53 phosphorylated heavy meromyosin + H2O the 130 kDa subunit and the 20 kDa subunit enhance activity of the catalytic subunit towards heavy meromyosin or the isolated P-light-chain from smooth muscle Gallus gallus PP-1 heavy meromyosin + phosphate
-
 ?
3.1.3.53 phosphorylated phosphorylase kinase + H2O the 130 kDa subunit and the 20 kDa subunit suppress activity of the catalytic subunit towards phosphorylase A and glycogen synthase Gallus gallus phosphorylase kinase + phosphate
-
 ?
3.1.3.53 phosphorylated phosphorylase kinase + H2O the 130 kDa subunit and the 20 kDa subunit suppress activity of the catalytic subunit towards phosphorylase A and glycogen synthase Gallus gallus PP-1 phosphorylase kinase + phosphate
-
 ?

Subunits

EC Number Subunits Comment Organism
3.1.3.53 heterotrimer x * 130000 + x * 37000 + x * 20000, 37 kDa catalytic subunit, ratio 1:1:1, SDS-PAGE Gallus gallus