RT Journal
T1 THE PARTIAL AMINO ACID SEQUENCE OF LEAF-NOSED VIPER (ERISTICOPHIS MACMAHONII) S NAKE HEMOGLOBIN.
A1 H. Waheed
A1 S. K. Doman
A1 A. Ahmed
JF Journal of Animal and Plant Sciences
JO JAPS
SN 1018-7081
VO 28
IS 6
SP 1622
OP 1628
YR 2018
FD 2018/12/01
DO DOI NA
AB The hemoglobin from Leaf-nosed Viper (Eristocophis macmahonii) was analyzed to better understand interspecies relationship among various snakes at the molecular level. After isolation, the hemoglobin from erythrocytes was analyzed by cation-exchange chromatography. The chains from hemoglobin were separated by reversed phase-high performance liquid chromatography. The N-terminal amino acid sequences of globin chains were obtained by the process of Edman degradation in an automated protein sequencer using an online Phenylthiohydantoin (PTH) analyzer. The obtained sequences were compared using online pairwise sequence alignment tool and Clustal Omega. The N- A I II terminal protein sequence results revealed that two hemoglobin components, comprised of ±, 2and 2 -globin chains A I are expressed in Leaf-nosed viper. The ±-globin chain showed highest similarity with Sindhi krait, 2with Texas indigo II snake and 2-with Indian cobra and interestingly with Blue-lipped sea krait (sea snake). N-terminal sequence alignment studies also showed some important amino acid substitutions that may affect iso-Hb composition and function. viper. Abbreviations: RP-HPLC, reversed phase-high performance liquid chromatography; IEX, ion-exchange; Em, Eristocophis macmahonii; TFA, trifluoroacetic acid; PTH, phenylthiohydantoin. physiological and ontogenetic factors (Lukin and Ho,
K1 Eristocophis macmahonii; hemoglobin characterization; evolution; amino acid sequence; snakes; Leaf-nosed
PB Pakistan Agricultural Scientists Forum
LK https://thejaps.org.pk/AbstractView.aspx?mid=2018-JAPS-611