>3tgx_O mol:protein length:219 Interleukin-21 receptorCPDLVCYTDYLQTVICILEMWNLHPSTLTLTWQDQYEELKDEATSCSLHRSAHNATHATYTCHMDVFHFMADDIFSVQITDQSGQYSQECGSFLLAESIKPAPPFDVTVTFSGQYQISWRSDYEDPAFYMLKGKLQYELQYRNRGDPWAVSPRRKLISVDSRSVSLLPLEFRKDSSYELQVRAGPMPGSSYQGTWSEWSDPVIFQTQSEELKEHHHHHH