{"code":"C172944","name":"Hemoglobin A2","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"Hb A2","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"caDSR"},{"name":"Hb a2d2","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Hemoglobin A2","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Hemoglobin Alpha2Delta2","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Hgb A2","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Hemoglobin A2","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A tetrameric complex of 2 molecules of hemoglobin subunit alpha (encoded by either the HBA1 or HBA2 gene) and 2 molecules of hemoglobin subunit delta (encoded by the HBD gene).","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P98","type":"DesignNote","value":"Hemoglobin A2 accounts for 2-3% of the normal erythrocyte hemoglobin in adults."},{"code":"P208","type":"NCI_META_CUI","value":"CL1407066"},{"code":"P106","type":"Semantic_Type","value":"Amino Acid, Peptide, or Protein"}]}