protein structure prediction - dr. m. jazayeri...all lig n emall a f rin t all el. co or alignments...

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Page 1: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

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Page 2: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

Protein structure predictionProtein structure prediction((HBsAgHBsAg)) 25

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((HBsAgHBsAg)) 2

ByMansour PoorebrahimMansour Poorebrahim

PhD, Medical Biotechnology Tehran University of Medical Sciences 2Tehran University of Medical Sciences 2

Page 3: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

Hierarchicalnatureofproteinstructure

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Page 4: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

HBsAg

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Page 5: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

Methodsforproteinstructureprediction

Comparative modeling

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Comparative modeling

Threading

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Ab initio prediction

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Page 6: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

HHpred serverHHpred server

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Page 7: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

Threading(structuralfoldrecognition)g g

Protein threading predicts the 3D structure for a new

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protein by aligning its primary sequence to proteins in thePDB to see if a similar structure can be found

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A method of protein modeling to model proteins which donot have homologous proteins and have the same fold asproteins of known structuresproteins of known structures.

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Page 8: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

Threading(structuralfoldrecognition)g g

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Page 9: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

PHYRE2serverhttp://www.sbg.bio.ic.ac.uk/phyre2/html/page.cgi?id=index

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Page 10: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

Modelvisualization

UCSF chimera

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Page 11: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

ProteinvalidationServer

RAMPAGE

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1111

Page 12: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

PredictedmodelsofHBsAgbyPHYRE2g y

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Page 13: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

HBsAg

T123I (9/31)

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( / )

2

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Page 14: Protein structure prediction - Dr. M. Jazayeri...all lig n emall a F rin t all el. Co or alignments color only SS a pl the e nts nd get ale rted n as tem V ew alignmen Activate plates

PredictedmodelsofHBsAgbyPHYRE2g y

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/201

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