SABIO-RK is now also listed as a resource in NCBI LinkOut. This means that by searching PubMed with the query https://www.ncbi.nlm.nih.gov/pubmed?term=loprovsabiork[SB] you will get all papers for which we have data in SABIO-RK.
If you click on a single paper in PubMed you will find the link to the corresponding SABIO-RK database entries at the end of the page in “LinkOut – more resources”.