PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12611881-4 2003 In addition, there was also impaired lactation accompanied by decreased expression of alpha-lactoalbumin, whey acidic protein, and beta-casein, possibly because of the down-regulation of STAT5a tyrosine phosphorylation. Tyrosine 194-202 signal transducer and activator of transcription 5A Mus musculus 187-193