Peroxisomal matrix protein with naturally active promoter%3B well-conserved in fungi%3B localized to peroxisomes under physiological growth conditions%3B levels of some amino acids are altered upon both knockout and overexpression%2C suggesting potential involvement of Pxp2p in amino acid metabolism or related cellular metabolic processes (needs further study)%3B GFP-fusion protein displays inherent dual localization with large proportion localizing to cytosol