>4nzd_A mol:protein length:219 Interleukin-21 receptor CPDLVCYTDYLQTVICILEMWNLHPSTLTLTWQDQYEELKDEATSCSLHRSAHNATHAT YTCHMDVFHFMADDIFSVQITDQSGQYSQECGSFLLAESIKPAPPFDVTVTFSGQYQIS WRSDYEDPAFYMLKGKLQYELQYRNRGDPWAVSPRRKLISVDSRSVSLLPLEFRKDSSY ELQVRAGPMPGSSYQGTWSEWSDPVIFQTQSEELKEHHHHHH >4nzd_B mol:protein length:219 Interleukin-21 receptor CPDLVCYTDYLQTVICILEMWNLHPSTLTLTWQDQYEELKDEATSCSLHRSAHNATHAT YTCHMDVFHFMADDIFSVQITDQSGQYSQECGSFLLAESIKPAPPFDVTVTFSGQYQIS WRSDYEDPAFYMLKGKLQYELQYRNRGDPWAVSPRRKLISVDSRSVSLLPLEFRKDSSY ELQVRAGPMPGSSYQGTWSEWSDPVIFQTQSEELKEHHHHHH >4nzd_C mol:protein length:219 Interleukin-21 receptor CPDLVCYTDYLQTVICILEMWNLHPSTLTLTWQDQYEELKDEATSCSLHRSAHNATHAT YTCHMDVFHFMADDIFSVQITDQSGQYSQECGSFLLAESIKPAPPFDVTVTFSGQYQIS WRSDYEDPAFYMLKGKLQYELQYRNRGDPWAVSPRRKLISVDSRSVSLLPLEFRKDSSY ELQVRAGPMPGSSYQGTWSEWSDPVIFQTQSEELKEHHHHHH >4nzd_C mol:protein length:219 Interleukin-21 receptor CPDLVCYTDYLQTVICILEMWNLHPSTLTLTWQDQYEELKDEATSCSLHRSAHNATHAT YTCHMDVFHFMADDIFSVQITDQSGQYSQECGSFLLAESIKPAPPFDVTVTFSGQYQIS WRSDYEDPAFYMLKGKLQYELQYRNRGDPWAVSPRRKLISVDSRSVSLLPLEFRKDSSY ELQVRAGPMPGSSYQGTWSEWSDPVIFQTQSEELKEHHHHHH