Glutamyl-tRNA reductase 1, chloroplastic MAGATSATAAAGAFAAAKARGPAAACPWLVAAGGRRRSGVVRCDAGGDAQAASKAASITALEQFKISADRYMKEKSSIAVIGLSVHTAPVEMREKLAVAEELWPRAISELTSLNHIEEAAVLSTCNRMEIYVVALSWNRGIREVVDWMSKKSGIPASELREHLFMLRDSDATRHLFEVSAGLDSLVLGEGQILAQVKQVVRNGQNSGGLGKNIDRMFKDAITAGKRVRCETNISAGAVSVSSAAVELAMMKLPKSECLSARMLLIGAGKMGKLVVKHLIAKGCKKVVVVNRSVERVDAIREEMKDIEIVYRPLTEMYEAAADADVVFTSTASESLLFTKEHAEVLPPISLAMGGVRLFVDISVPRNVGACLSEVEHARVYNVDDLKEVVEANKEDRVRKAMEAQTIITQELKRFEAWRDSLETVPTIKKLRSYADRIRASELEKCLQKIGEDNLNKKMRRSIEELSTGIVNKLLHGPLQHLRCDGSDSRTLDETLENMHALNRMFSLDTEKAVLEQKIKAKVEKTQS HEMA1 HEM11_HORVU 527 Catalyzes the NADPH-dependent reduction of glutamyl- tRNA(Glu) to glutamate 1-semialdehyde (GSA).