janus kinase 1 protein. part of jak-stat signalling pathway and drug target.

janus kinase protein part jakstat signalling pathway drug target jak tyrosine cytokine stat jak1 tofacitinib filgotinib rheumatoid rheuma arthritis psoriasis inflammatory bowel crohn inhibitor cancer structure peptide amino acid molecule polypeptide polymer atoms science scientific disease health molecular model cartoon line representation secondary coloring