has_component has component heme hemoglobin complex hemoglobin subunit alpha, initiator methionine removed form hemoglobin subunit beta, initiator methionine removed form hemoglobin subunit beta N-1-deoxyfructosylated 1 hemoglobin A1c 4 2 1 2 2 HgbA1c Category=complex. Note: The precise definition of hemoglobin A1c has evolved over time [https://medcraveonline.com/JNMR/laboratory-diagnosis-of-hba1c-a-review.html]. This PRO term is based on the most-precise definition currently in use. glycohemoglobin HbA1c protein glycated hemoglobin A hemoglobin complex that is composed of at least one beta-N-1-deoxy fructosyl hemoglobin subunit, in which the glycan is attached to the N-terminal valine (after initiator methionine removal) of one or both beta subunits. PR:000050469