ACT_SITE 236; /evidence="ECO:0000250|UniProtKB:Q38860"; ACT_SITE 315; /evidence="ECO:0000250|UniProtKB:Q38860"; ACT_SITE 399; /evidence="ECO:0000250|UniProtKB:Q38860"; ACT_SITE 403; /evidence="ECO:0000250|UniProtKB:Q38860"; ACT_SITE 436; /evidence="ECO:0000250|UniProtKB:Q38860"