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Literature summary extracted from

  • Goldner, W.; Beevers, H.
    Starch synthase and starch branching enzyme from germinating castor bean endosperm (1989), Phytochemistry, 28, 1809-1812.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.21 citrate
-
 Ricinus communis

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.18 Ricinus communis
-
-
-
2.4.1.21 Ricinus communis
-
 castor bean
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.21 partial Ricinus communis

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.18 endosperm
-
 Ricinus communis
-
2.4.1.21 cell suspension culture
-
 Ricinus communis
-
2.4.1.21 endosperm
-
 Ricinus communis
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.21 ADP-glucose + alpha-1,4-polyglucan citrate independent enzyme requires a glucan primer e.g. rabbit liver glycogen Ricinus communis ADP + alpha-1,4-polyglucan
-
 ?
2.4.1.21 ADP-glucose + alpha-1,4-polyglucan glucosyl acceptor: oyster glycogen Ricinus communis ADP + alpha-1,4-polyglucan
-
 ?
2.4.1.21 ADP-glucose + alpha-1,4-polyglucan enzyme shows both primed activity with amylopectin as glucose acceptor and unprimed activity in the presence of high citrate and bovine serum albumin, 4fold lower activity with UDPglucose instead of ADPglucose Ricinus communis ADP + alpha-1,4-polyglucan
-
 ?
2.4.1.21 ADP-glucose + alpha-1,4-polyglucan glucosyl acceptor: amylopectin Ricinus communis ADP + alpha-1,4-polyglucan
-
 ?