Immunogen sequence: YLQENIGNGD FSVYSASTHK FLYYDEKKMA NFQNFKPRSN REEMKFHEFV EKLQDIQQRG GEERLYLQQT LNDTVGRKI. Hydroxylates HIF-1 alpha at 'Asn-803' in the C-terminal transactivation domain (CAD). Functions as an oxygen sensor and, under normoxic conditions