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Purification, Crystallization and Preliminary Analysis of Hemoglobin from Rabbit (Oryctolagus cuniculus)

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Abstract:

Hemoglobin (Hb) is a tetrameric protein, which contains four heme prosthetic groups, and each one is associated with a polypeptide chain. Herein, we report the rabbit hemoglobin which has intrinsically high oxygen affinity and possess highest sequence identity with human hemoglobin. The purified hemoglobin has been tried to crystallize in different crystallization conditions owing to its formation of various crystal systems. The rabbit Hb crystals were grown using PEG 3350 as the precipitant at 18° C. The crystals of rabbit Hb belongs to triclinic space group P1 with one molecule (α2β2) in the asymmetric unit.





Keywords: Hemoglobin; asymmetric unit; crystallization; oxygen affinity; space group; unbuffered

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/092986608783744144

Publication date: March 1, 2008

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.

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