PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19923196-2 2010 The key step in the pathway is the reduction of activated sulphate, adenosine 5"-phosphosulphate (APS), to sulphite catalysed by APS reductase (APR). aps 98-101 APS reductase 1 Arabidopsis thaliana 129-142 19923196-2 2010 The key step in the pathway is the reduction of activated sulphate, adenosine 5"-phosphosulphate (APS), to sulphite catalysed by APS reductase (APR). aps 98-101 APS reductase 1 Arabidopsis thaliana 144-147