>4ra3_C mol:protein length:100 Beta-2-microglobulinMIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPCDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM