629
More important , ligand - activated insulin and IGF - I receptors phosphorylate SHC proteins in vitro , indicating that SHC proteins could be direct substrates for insulin and IGF - I receptors .
 GENE: insulin; GENE: IGF - I receptors; GENE: SHC proteins; GENE: SHC proteins; GENE: insulin; GENE: IGF - I receptors
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: insulin; GENE: IGF - I receptors; GENE: SHC proteins; GENE: SHC proteins; GENE: insulin; GENE: IGF - I receptors