| Hb Chemilly | beta99(G1)Asp->Val |
|---|
| CONTACT | Internal; alpha1beta2 contact | ||
| HEMATOLOGY | Erythrocytosis in the heterozygote (PCV 0.55 l/l) | ||
| ELECTROPHORESIS | Hb X and Hb A separate at alkaline pH; Hb X moves as Hb F; no separation at acidic pH | ||
| CHROMATOGRAPHY | Hb X was isolated on a DEAE-Sephadex column | ||
| STRUCTURE STUDIES | Tryptic digestion of AE-betaX chain; separation of peptides by reversed phase HPLC; amino acid analysis | ||
| DNA ANALYSES | Not reported; presumed mutation GAT->GTT at codon 99 | ||
| FUNCTION STUDIES | Increased oxygen affinity; decreased Bohr effect and cooperativity | ||
| STABILITY | Not reported | ||
| OCCURRENCE | Found in a 35-year-old French Caucasian female | ||
| OTHER INFORMATION | Quantity in the heterozygote 40% |
| REFERENCES | |||
| 1. | Rochette, J., Poyart, C., Varet, B., and Wajcman, H.: FEBS Lett., 166:8, 1984. | ||