mu hemoglobin mu hemoglobin mu hemoglobin is a predicted protein encoded in the hbm gene. the mrna is expressed at moderate levels, but the protein has not been detected by mass spectrometry. the order of genes is: 5' - zeta - pseudozeta - mu - pseudoalpha-1 - alpha-2 - alpha-1 - theta1 - 3'. hemoglobin, muidentifierssymbolhbmalt. symbolshbap2ncbi gene3042hgnc4826omim609639refseqnm_001003938uniprotq6b0k9other datalocuschr. 16 p13.3search forstructuresswiss-modeldomainsinterpro