4127
These data suggest that the paternal X chromosome carries the de novo alpha-galactosidase A mutation and that uneven X inactivation is the underlying mechanism for disease expression in this novel female MZ twin pair .
 ( protein: alpha-galactosidase, None) , ( DNA: paternal X chromosome, None) , ( DNA: X chromosome, None) , ( protein: alpha-galactosidase A, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: alpha-galactosidase, None) , ( DNA: paternal X chromosome, None) , ( DNA: X chromosome, None) , ( protein: alpha-galactosidase A, None) 