>4r9h_A mol:protein length:100 Beta-2-microglobulinMIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPCDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM