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43 results

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Page 1
A role of heme side-chains of human hemoglobin in its function revealed by circular dichroism and resonance Raman spectroscopy.
Nagai M, Mizusawa N, Kitagawa T, Nagatomo S. Nagai M, et al. Biophys Rev. 2018 Apr;10(2):271-284. doi: 10.1007/s12551-017-0364-5. Epub 2017 Dec 19. Biophys Rev. 2018. PMID: 29260461 Free PMC article. Review.
We point out the occurrence of appreciable deformation of heme side-chains like vinyl and propionate groups prior to the out-of-plane displacement of heme iron. Referring to the recent fine resolved crystal structure of Hb A, the deformations of heme side-chains take place …
We point out the occurrence of appreciable deformation of heme side-chains like vinyl and propionate groups prior to the out-of-plane displa …
Structure-function analyses reveal key features in Staphylococcus aureus IsdB-associated unfolding of the heme-binding pocket of human hemoglobin.
Bowden CFM, Chan ACK, Li EJW, Arrieta AL, Eltis LD, Murphy MEP. Bowden CFM, et al. J Biol Chem. 2018 Jan 5;293(1):177-190. doi: 10.1074/jbc.M117.806562. Epub 2017 Nov 6. J Biol Chem. 2018. PMID: 29109153 Free PMC article.
However, structural information for IsdB is limited. We present here a crystal structure of a complex between human Hb and IsdB. In this complex, the alpha subunits of Hb are refolded with the heme displaced to the interface with IsdB. ...Moreover, the porphyrin ring inter …
However, structural information for IsdB is limited. We present here a crystal structure of a complex between human Hb and IsdB. In t …
Trapping of human hemoglobin by haptoglobin: molecular mechanisms and clinical applications.
Ratanasopa K, Chakane S, Ilyas M, Nantasenamat C, Bulow L. Ratanasopa K, et al. Antioxid Redox Signal. 2013 Jun 10;18(17):2364-74. doi: 10.1089/ars.2012.4878. Epub 2012 Oct 18. Antioxid Redox Signal. 2013. PMID: 22900934 Review.
The clinical potential of the complex for modulating inflammatory reactions and for functioning as an Hb-based oxygen carrier have been described. CRITICAL ISSUES: The three-dimensional structure of the Hp-Hb complex is unknown. Moreover, Hp is not a homogeneous protein. . …
The clinical potential of the complex for modulating inflammatory reactions and for functioning as an Hb-based oxygen carrier have been desc …
Adsorption Induced Changes of Human Hemoglobin on Ferric Pyrophosphate Nanoparticle Surface Probed by Isotope Exchange Mass Spectrometry: An Implication on Structure-Function Correlation.
Srinivasu BY, Bose B, Mitra G, Kurpad AV, Mandal AK. Srinivasu BY, et al. Langmuir. 2017 Aug 15;33(32):8032-8042. doi: 10.1021/acs.langmuir.7b01905. Epub 2017 Aug 2. Langmuir. 2017. PMID: 28727441
Thus, we hypothesize that the large amount of energy released upon adsorption of hemoglobin to NP surface might be the fundamental cause of structural perturbation of human hemoglobin and subsequent formation of the bioconjugate with an altered function....
Thus, we hypothesize that the large amount of energy released upon adsorption of hemoglobin to NP surface might be the fundamental cause of …
Structure and oxygen affinity of crystalline desArg141 alpha human hemoglobin A in the T state.
Kavanaugh JS, Chafin DR, Arnone A, Mozzarelli A, Rivetti C, Rossi GL, Kwiatkowski LD, Noble RW. Kavanaugh JS, et al. J Mol Biol. 1995 Apr 21;248(1):136-50. doi: 10.1006/jmbi.1995.0207. J Mol Biol. 1995. PMID: 7731039
The correlation of a protein structure determined crystallographically to its functional properties determined in solution can be an extremely complex problem due to potential differences of protein conformational flexibility in the two physical states. A more direct appro …
The correlation of a protein structure determined crystallographically to its functional properties determined in solution can be an …
Structure and oxygen affinity of crystalline des-his-146beta human hemoglobin in the T state.
Bettati S, Kwiatkowski LD, Kavanaugh JS, Mozzarelli A, Arnone A, Rossi GL, Noble RW. Bettati S, et al. J Biol Chem. 1997 Dec 26;272(52):33077-84. doi: 10.1074/jbc.272.52.33077. J Biol Chem. 1997. PMID: 9407091 Free article.
To correlate directly structure with function, the oxygen affinity and the three-dimensional structure of crystals of the T quaternary state of des-His-146beta human hemoglobin have been determined by polarized absorption microspectrophotometry and x-ray diff …
To correlate directly structure with function, the oxygen affinity and the three-dimensional structure of crystals of t …
New effectors of human hemoglobin: structure and function.
Lalezari I, Lalezari P, Poyart C, Marden M, Kister J, Bohn B, Fermi G, Perutz MF. Lalezari I, et al. Biochemistry. 1990 Feb 13;29(6):1515-23. doi: 10.1021/bi00458a024. Biochemistry. 1990. PMID: 2334712
Spectroscopic investigation on molecular aspects and structural and functional effects of tetraethyl pyrophosphate organophosphorus insecticide interaction with adult human hemoglobin.
Doroudian A, Hosseinzadeh R, Maghami P, Khorsandi K. Doroudian A, et al. J Biomol Struct Dyn. 2022 Oct;40(17):7786-7795. doi: 10.1080/07391102.2021.1902398. Epub 2021 Mar 25. J Biomol Struct Dyn. 2022. PMID: 33764274
In this research, various spectroscopic techniques utilized to analyze the effect of Tetraethyl Pyrophosphate (TEPP), as an organophosphorus insecticide, on the structure, function, stability, and aggregation of adult human hemoglobin and also hemolysis potential of …
In this research, various spectroscopic techniques utilized to analyze the effect of Tetraethyl Pyrophosphate (TEPP), as an organophosphorus …
Human hemoglobin structural and functional alterations and heme degradation upon interaction with benzene: A spectroscopic study.
Hosseinzadeh R, Moosavi-Movahedi AA. Hosseinzadeh R, et al. Spectrochim Acta A Mol Biomol Spectrosc. 2016 Mar 15;157:41-49. doi: 10.1016/j.saa.2015.12.014. Epub 2015 Dec 15. Spectrochim Acta A Mol Biomol Spectrosc. 2016. PMID: 26710175
Here, the effect of benzene on hemoglobin structure, stability and heme prosthetic group integrity was studied by different methods. ...Together, our results indicated that benzene has adverse effects on hemoglobin structure and function, and heme degradation …
Here, the effect of benzene on hemoglobin structure, stability and heme prosthetic group integrity was studied by different methods. …
Effects of mobile phone radiofrequency on the structure and function of the normal human hemoglobin.
Mousavy SJ, Riazi GH, Kamarei M, Aliakbarian H, Sattarahmady N, Sharifizadeh A, Safarian S, Ahmad F, Moosavi-Movahedi AA. Mousavy SJ, et al. Int J Biol Macromol. 2009 Apr 1;44(3):278-85. doi: 10.1016/j.ijbiomac.2009.01.001. Int J Biol Macromol. 2009. PMID: 19263507
In this paper the effect of mobile phone RF (910MHz and 940 MHz) on structure and function of HbA was investigated. Oxygen affinity was measured by sodium dithionite with UV-vis spectrophotometer. ...The results indicated that mobile phone EMFs altered oxygen affini …
In this paper the effect of mobile phone RF (910MHz and 940 MHz) on structure and function of HbA was investigated. Oxygen aff …
43 results