Primary structure of turkey myoglobin

Poulson Joseph, Surendranath P. Suman, Shuting Li, James R. Claus, Michele Fontaine, Laurey A Steinke

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Our objective was to determine the amino acid sequence of turkey myoglobin. Turkey myoglobin was isolated from cardiac muscles via ammonium sulphate precipitation and gel-filtration chromatography. Purified turkey myoglobin, separated as a 17 kDa band in SDS-PAGE, was subjected to digestion with trypsin or aspartic acid endopeptidase. The resulting peptides were separated by reverse-phase HPLC, and then subjected to Edman degradation to obtain the amino acid sequence. The complete amino acid sequence of turkey myoglobin was determined and compared with that of poultry and red meat myoglobins. Turkey myoglobin has 153 amino acids and nine histidine residues. Proximal (position 93) and distal (position 64) histidine residues, responsible for maintaining the stability of haeme, are conserved in turkey myoglobin. Turkey myoglobin shares 100% sequence similarity with chicken myoglobin, whereas it shares 92.5% homology with ostrich, 76.5% with pig, and less than 73% with ruminant myoglobins.

Original languageEnglish (US)
Pages (from-to)175-178
Number of pages4
JournalFood Chemistry
Volume129
Issue number1
DOIs
StatePublished - Nov 1 2011

Fingerprint

myoglobin
Myoglobin
Turkey
Amino Acids
Amino Acid Sequence
amino acid sequences
Turkey (country)
histidine
Histidine
Aspartic Acid Endopeptidases
Struthioniformes
Poultry
red meat
ostriches
Meats
poultry meat
Ammonium Sulfate
Ruminants
heme
aspartic acid

Keywords

  • Edman degradation
  • Meleagris gallopavo
  • Myoglobin
  • Primary structure
  • Turkey

ASJC Scopus subject areas

  • Analytical Chemistry
  • Food Science

Cite this

Joseph, P., Suman, S. P., Li, S., Claus, J. R., Fontaine, M., & Steinke, L. A. (2011). Primary structure of turkey myoglobin. Food Chemistry, 129(1), 175-178. https://doi.org/10.1016/j.foodchem.2011.04.024

Primary structure of turkey myoglobin. / Joseph, Poulson; Suman, Surendranath P.; Li, Shuting; Claus, James R.; Fontaine, Michele; Steinke, Laurey A.

In: Food Chemistry, Vol. 129, No. 1, 01.11.2011, p. 175-178.

Research output: Contribution to journalArticle

Joseph, P, Suman, SP, Li, S, Claus, JR, Fontaine, M & Steinke, LA 2011, 'Primary structure of turkey myoglobin', Food Chemistry, vol. 129, no. 1, pp. 175-178. https://doi.org/10.1016/j.foodchem.2011.04.024
Joseph P, Suman SP, Li S, Claus JR, Fontaine M, Steinke LA. Primary structure of turkey myoglobin. Food Chemistry. 2011 Nov 1;129(1):175-178. https://doi.org/10.1016/j.foodchem.2011.04.024
Joseph, Poulson ; Suman, Surendranath P. ; Li, Shuting ; Claus, James R. ; Fontaine, Michele ; Steinke, Laurey A. / Primary structure of turkey myoglobin. In: Food Chemistry. 2011 ; Vol. 129, No. 1. pp. 175-178.
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