PR:000036601 interleukin-1 receptor antagonist protein isoform 1, signal peptide removed form (human) hIL1RN/iso:1/SigPep-|PRO_0000015328|UniProtKB:P18510-1, 26-177 capable_of GO:0045352 interleukin-1 type I receptor antagonist activity PMID:2139180 IDA NCBITaxon:9606 UniProtKB:P18510-1 20080922 PRO:CNA PR:000036601 interleukin-1 receptor antagonist protein isoform 1, signal peptide removed form (human) hIL1RN/iso:1/SigPep-|PRO_0000015328|UniProtKB:P18510-1, 26-177 located_in GO:0005615 extracellular space PMID:2139180 IDA NCBITaxon:9606 UniProtKB:P18510-1 20080922 PRO:CNA