>1v4x_D mol:protein length:146 hemoglobin beta chainVEWTQQERSIIAGIFANLNYEDIGPKALARCLIVYPWTQRYFGAYGDLSTPDAIKGNAKIAAHGVKVLHGLDRAVKNMDNINEAYSELSVLHSDKLHVDPDNFRILGDCLTVVIAANLGDAFTVETQCAFQKFLAVVVFALGRKYH