PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32502610-2 2020 FT-IR, 1D/2D NMR, X-ray photoelectron spectroscopy (XPS) and size-exclusion chromatograph analysis exhibited that Se had been successfully introduced into PAS and existed in the form of selenate group (Se4+) with the substitution position at C-6. Selenium 114-116 complement component 6 Mus musculus 242-245