APS1 (ATP sulfurylase 3). similar to APS3 (ATP sulfurylase 2), sulfate adenylyltransferase (ATP) [Arabidopsis thaliana] (TAIR:AT4G14680.1); similar to APS4 [Arabidopsis thaliana] (TAIR:AT5G43780.1); similar to APS2 (ATP SULFURYLASE PRECURSOR) [Arabidopsis thaliana] (TAIR:AT1G19920.1); similar to ATP sulphurylase [Brassica napus] (GB:AAB53100.1); similar to ATP sulfurylase [Brassica juncea] (GB:CAA11417.1); similar to chloroplast ATP sulfurylase 1 precursor [Brassica oleracea] (GB:ABY59052.1); contains InterPro domain ATP-sulphurylase; (InterPro:IPR002650); contains InterPro domain Rossmann-like alpha/beta/alpha sandwich fold (InterPro:IPR0147