Hb Manukau | beta67(E11)Val->Gly |
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CONTACT | Heme contact | ||
HEMATOLOGY | Moderate monochromic normocytic anemia; no cyanosis; no Heinz bodies | ||
ELECTROPHORESIS | No abnormal Hb detected by standard techniques, including IEF | ||
CHROMATOGRAPHY | Not reported | ||
STRUCTURE STUDIES | Tryptic digestion; separation of peptides by fingerprinting; amino acid analysis; betaT-9 and betaT-8,9 were abnormal (Val-> Gly); peptide betaT-14 was also abnormal (beta141 Leu oxidized to beta141 hydroxyleucine); see also Hb Atlanta (beta75 Leu->Pro) | ||
DNA ANALYSES | A GTG->GGG mutation at codon 67 | ||
FUNCTION STUDIES | Not reported | ||
STABILITY | Unstable | ||
OCCURRENCE | Found in a father and two sons of a Niuean/Maori family from New Zealand | ||
OTHER INFORMATION | Father mildly affected; he is an alpha-thal-2 homozygote (-alpha/alphaalpha); the two sons are more severely affected; both have the -alpha/alphaalphaalpha genic arrangement |
REFERENCES | |||
1. | Fay, K.C., Brennan, S.O., Costello, J.M., Potter, H.C., Williamson, D.A., Trent, R.J., Ockleford, P.A., and Boswell, D.R.: Br. J. Haematol., 85:352, 1993. |