295 Abstract: To investigate erythrocyte membrane protein abnormalities in Çukurova region we studied a family observed to be hereditary spherocytosis. Diagnosis was made basis of clinical features. By densitometric tracing of SDS-PAGE stained by Coomassie Brillant Blue, we found two spectrin deficiency, one ankyrin deficeiency, two spectrin-band 3 deficiency, one ankyrin-band 3 deficiency and ...