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Specific phosphorylation of membrane proteins of Mr 44, 000 and Mr 32,000 by the autophosphorylated insulin receptor from the hepatopancreas of the Shrimp Penaeus monodon (Crustacea: Decapoda) by Chung-Liang Lin; Pei-Chen Wang; Nin-Nin Chuang is a Environmental Science article available to read on EtoBox.

What is Specific phosphorylation of membrane proteins of Mr 44, 000 and Mr 32,000 by the autophosphorylated insulin receptor from the hepatopancreas of the Shrimp Penaeus monodon (Crustacea: Decapoda) about?

## Abstract The insulin receptor, purified from the hepatopancreas of the shrimp __Penaeus monodon__, is a hydrophobic heterodimer of subunits with relative masses (Mr) of 70,000 and 58, 000, as estimated by FPLC on Superose^TM^12 and SDS‐PAGE. Only the subunit of Mr 70,000 was autophosphorylated after the addition of insulin. The autophosphorylation occurred specifically at Tyr residues, as demonstrated by the specific subsequent dephosphorylation by the phosphotyrosyl protein phosphatase from the hepatopancreas of the shrimp __Penaeus monodon__. Proteins of Mr 44,000 and Mr 32,000 on the plasma membrane from the hepatopancreas of the shrimp __Panaeus monodon__ were phosphorylated by the autophosphorylated insulin receptor from the shrimp hepatopancreas, but not by that from the human placenta. The detergent, Triton X‐100, caused noticeable enhancement of the autophosphorylation of both shrimp and human insulin receptors. © 1993 Wiley‐Liss, Inc.

Who reads Specific phosphorylation of membrane proteins of Mr 44, 000 and Mr 32,000 by the autophosphorylated insulin receptor from the hepatopancreas of the Shrimp Penaeus monodon (Crustacea: Decapoda)?

Author

Chung-Liang Lin; Pei-Chen Wang; Nin-Nin Chuang

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0022-104X)

Published

1993

Language

EN

Field

Environmental Science (Life Sciences)