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TitleImmunodominant surface epitopes power immune evasion in the African trypanosome.
Journal, issue, pagesCell Rep, Vol. 42, Page 112262-112262, Year 2023
Publish dateJul 14, 2021 (structure data deposition date)
AuthorsGkeka, A. / Aresta-Branco, F. / Triller, G. / Vlachou, E.P. / van Straaten, M. / Lilic, M. / Olinares, P.D.B. / Perez, K. / Chait, B.T. / Blatnik, R. ...Gkeka, A. / Aresta-Branco, F. / Triller, G. / Vlachou, E.P. / van Straaten, M. / Lilic, M. / Olinares, P.D.B. / Perez, K. / Chait, B.T. / Blatnik, R. / Ruppert, T. / Verdi, J.P. / Stebbins, C.E. / Papavasiliou, F.N.
External linksCell Rep / PubMed:36943866
MethodsX-ray diffraction
Resolution1.13 - 1.961 Å
Structure data

PDB-7p56:
Variant Surface Glycoprotein 2 (VSG2, MiTat1.2, VSG221) Bound to Calcium
Method: X-RAY DIFFRACTION / Resolution: 1.735 Å

PDB-7p57:
VSG2 mutant structure lacking the calcium binding pocket
Method: X-RAY DIFFRACTION / Resolution: 1.961 Å

PDB-7p59:
Variant Surface Glycoprotein 3 (VSG3, MiTat1.3, VSG224) with two O-linked post-translational modifications
Method: X-RAY DIFFRACTION / Resolution: 1.27 Å

PDB-7p5a:
Variant Surface Glycoprotein 3 (VSG3, MiTat1.3, VSG224) mutant (serine 317 to alanine), single O-linked glycosylated at Ser319
Method: X-RAY DIFFRACTION / Resolution: 1.95 Å

PDB-7p5b:
Variant Surface Glycoprotein 3 (VSG3, MiTat1.3, VSG224) mutant (serine 319 to alanine), single O-linked glycosylated at Ser317
Method: X-RAY DIFFRACTION / Resolution: 1.13 Å

PDB-7p5d:
Variant Surface Glycoprotein 3 (VSG3, MiTat1.3, VSG224) mutant (serine 317 and 319 to alanine)
Method: X-RAY DIFFRACTION / Resolution: 1.42 Å

Chemicals

ChemComp-CA:
Unknown entry

ChemComp-HOH:
WATER

ChemComp-GLC:
alpha-D-glucopyranose

Source
  • trypanosoma brucei brucei (eukaryote)
KeywordsMEMBRANE PROTEIN / Variant Surface Glycoprotein / VSG Coat / Trypanosoma brucei / Immune Evasion / African trypanosome / calcium / metal binding / Coat / antigenic variation / calcium binding / O-glycosylation / O-glycans / post-translational modification / VSG / parasite / sleeping sickness

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