| Literature DB >> 2803513 |
A Islam1, B Persson, Z H Zaidi, H Jörnvall.
Abstract
The primary structure of Rose-ringed Parakeet hemoglobin beta-chain was established, completing the analysis of this hemoglobin. Comparison with other avian beta-chains show variations smaller than those for the corresponding alpha-chains. There are 11 amino acid exchanges in relationship to the only other characterized psittaciform beta-chain, and a total of 35 positions are affected by differences among all avian beta-chains analyzed (versus 61 for the alpha-chains). At three positions, the Psittacula beta-chain has residues unique to this species. Three alpha 1 beta 1 contacts are modified, by substitutions at positions beta 51, beta 116, and beta 125.Entities:
Mesh:
Substances:
Year: 1989 PMID: 2803513 DOI: 10.1007/bf01026432
Source DB: PubMed Journal: J Protein Chem ISSN: 0277-8033