AHSA2 also known as AHA1 , activator of heat shock 90kDa protein ATPase homolog 2 ( yeast ) is a human gene which encodes a protein which acts as co-chaperone of Hsp90 ( heat shock protein 90 ) .
PROPN ADV VERB ADP PROPN , NOUN ADP NOUN NOUN NUM NOUN PROPN NOUN NUM ( NOUN ) AUX DET ADJ NOUN DET VERB DET NOUN DET VERB ADP NOUN ADP PROPN ( NOUN NOUN NOUN NUM ) .