ACT_SITE 189; /evidence="ECO:0000250|UniProtKB:Q8BLF1, ECO:0000255|PROSITE-ProRule:PRU10038"; ACT_SITE 343; /evidence="ECO:0000250|UniProtKB:Q8BLF1"; ACT_SITE 373; /evidence="ECO:0000250|UniProtKB:Q8BLF1"