>4r9h_D mol:protein length:100 Beta-2-microglobulinMIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPCDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM