PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34731785-5 2021 However, STAT3 phosphorylated at a single serine residue can allow incorporation of this protein into the inner mitochondrial membrane to support oxidative phosphorylation (OXPHOS) and maximize the utility of glucose sources. Serine 42-48 signal transducer and activator of transcription 3 Homo sapiens 9-14