770
Two of the children exhibited a homozygous deficiency characterized by the absence of the 150 - kD form of Factor H and the presence , upon immunoblotting , of the 42 - kD Factor H - like protein 1 ( FHL - 1 ) and other FH - related protein ( FHR ) bands .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 None