PcrH

Function

PcrH or Regulatory protein PcrH is a chaperone protein which is a member of the translocon system which enables bacteria to form a pore in the cell wall for the insertion of toxins into it^[1]. See details in Molecular Playground/Pcr H.

Structural highlights

or PopB peptide. Water molecules are shown as red spheres. PopD peptide binds at the concave surface of PcrH. (PDB code 2xcb). ^[2]

PcrH (magenta, green) complex with PopD chaperone binding peptide (cyan) and NO3- ion (PDB code 2xcb)

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3D Structures of PcrH3D Structures of PcrH

Updated on 29-July-2019

2xcc - PaPcrH – Pseudomonas aeruginosa
2xcb - PaPcrH + PopD chaperone-binding peptide
4jl0 - PaPcrH + PopB chaperone-binding peptide

ReferencesReferences

↑ Broms JE, Forslund AL, Forsberg A, Francis MS. PcrH of Pseudomonas aeruginosa is essential for secretion and assembly of the type III translocon. J Infect Dis. 2003 Dec 15;188(12):1909-21. Epub 2003 Dec 3. PMID:14673772 doi:http://dx.doi.org/10.1086/379898
↑ Job V, Mattei PJ, Lemaire D, Attree I, Dessen A. Structural basis of chaperone recognition of type III secretion system minor translocator proteins. J Biol Chem. 2010 Jul 23;285(30):23224-32. Epub 2010 Apr 12. PMID:20385547 doi:10.1074/jbc.M110.111278

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Michal Harel, Alexander Berchansky, Joel L. Sussman

[1] Broms JE, Forslund AL, Forsberg A, Francis MS. PcrH of Pseudomonas aeruginosa is essential for secretion and assembly of the type III translocon. J Infect Dis. 2003 Dec 15;188(12):1909-21. Epub 2003 Dec 3. PMID:14673772 doi:http://dx.doi.org/10.1086/379898

[2] Job V, Mattei PJ, Lemaire D, Attree I, Dessen A. Structural basis of chaperone recognition of type III secretion system minor translocator proteins. J Biol Chem. 2010 Jul 23;285(30):23224-32. Epub 2010 Apr 12. PMID:20385547 doi:10.1074/jbc.M110.111278

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