Sequence of this protein is as follows: NRTGDPGPGP SIQKTYDLTR YLEHQLRSLA GTYLNYLGPP FNEPDFNPPR LGAETLPRAT VDLEVWRSLN DKLRLTQNYE AYSHLLCYLR GLNRQAATAE LRRSLAHFCT SLQGLLGSIA GVMAALGYPL PQPLPGTEPT WTPGPAHSDF LQKMDDFWLL KELQTWLWRS AKDFNRLKKK MQPPAAAVTL HLGAHGF
CLCF1 belongs to the interleukin-6 (IL6; MIM 147620) family of cytokines, which are involved in cell signaling through phosphorylation of gp130 (IL6ST; MIM 600694). IL6 family members share similarity in gene structure and have a 4-helix bundle in their protein structure.