Hb F-Iwata	Agamma72(E16)Gly->Arg

ELECTROPHORESIS		Hb FX moves slightly slower than Hb S at alkaline pH
IEF		Not reported
CHROMATOGRAPHY		Hb FX elutes between Hb A2 and Hb A from a DEAE-cellulose column
CHAIN SEPARATION		Not reported
STRUCTURE STUDIES		Tryptic digestion of gammaX chain; separation of peptides by fingerprinting; amino acid analysis
DNA ANALYSES		Not reported; presumed mutation GGA->CGA at codon 72
NOTES		Found in a few Japanese newborn babies; quantity in the heterozygote ~11% of total Hb F

REFERENCES
1.		Fuyuno, K., Torigoe, T., Ohba, Y., Matsuoka, M., and Miyaji, T.: Hemoglobin, 5: 139, 1981.

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This material is from the book A Syllabus of Human Hemoglobin Variants (1996) by Titus H.J. Huisman, Marianne F.H. Carver, and Georgi D. Efremov, published by The Sickle Cell Anemia Foundation in Augusta, GA, USA. Copyright © 1996 by Titus H.J. Huisman. All rights reserved. Neither this work nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, microfilming and recording, or by any information storage and retrieval systems, without written permission.