Hb Hobart	alpha20(B1)His->Arg

CONTACT		External
HEMATOLOGY		Normal in the heterozygote
ELECTROPHORESIS		Hb X separates from Hb A as a slowly-moving band at alkaline pH; its mobility is similar to that of Hb Lepore or Hb S
CHROMATOGRAPHY		Hb X was isolated on a DEAE-Sephadex column
STRUCTURE STUDIES		Tryptic digestion; separation of peptides by fingerprinting; amino acid analysis
DNA ANALYSES		Not reported; presumed mutation CAC->CGC; alpha2 or alpha1
FUNCTIONAL STUDIES		Not reported
STABILITY		Normal
OCCURRENCE		Found in a family of British nationality
OTHER INFORMATION		Quantity in the heterozygote 16-18%

REFERENCES
1.		Fleming, P.J., Sumner, D.R., Wyatt, K., Hughes, W.G., Melrose, W.D., Jupe, D.M.D., and Baikie, M.J., Hemoglobin, 11:211, 1987.

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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.