Aldehyde dehydrogenase 1 family, member A3, ti a tun mo si ALDH1A3 tabi retinaldehyde dehydrogenase 3 (RALDH3), je enzyme ninu awon eniyan ti  ALDH1A3 gene, n koodu funIse re Aldehyde dehydrogenase isozymes je awon enzymes ti a ro wipe won n sise takuntakun ni pipa oro awon aldehyde ti o jeyo ninu eto ogogoro ati ituka lipid ninu ara.. 
Alanine (gé kúrú sí Ala tàbí A;  ó ń kóòdù fún àwọn Gcu, GCC, GCA, àti GCG) tí ó ń kóòdù fún GG or GAG) jẹ́ α-amino tí wọ́n ń lo lati ṣẹ̀dá àwọn protein nínú ara.. 