CRYSTAL STRUCTURE OF THE FULL ECTODOMAIN OF HUMAN GP130: NEW INSIGHTS INTO THE MOLECULAR ASSEMBLY OF RECEPTOR COMPLEXES 3L5H IMMUNE SYSTEM, IG-LIKE, FNIII, ALTERNATIVE SPLICING, CELL MEMBRANE, DISULFIDE BOND, GLYCOPROTEIN, IMMUNOGLOBULIN DOMAIN, MEMBRANE, PHOSPHOPROTEIN, POLYMORPHISM, RECEPTOR, SECRETED, TRANSMEMBRANE