2pl9 Summary

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Crystal Structure of CheY-Mg(2+)-BeF(3)(-) in Complex with CheZ(C19) Peptide solved from a P2(1)2(1)2 Crystal

The structure was published by Guhaniyogi, J., Wu, T., Patel, S.S., and Stock, A.M., in 2008 in a paper entitled "Interaction of CheY with the C-terminal peptide of CheZ." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.6 Å and deposited in 2007.

The experimental data on which the structure is based was also deposited.

This PDB entry contains a complex of 2 biomacromolecules, namely Chemotaxis protein cheY and Chemotaxis protein cheZ.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule has more than one probable quaternary state observed. For more details see the quaternary structure page.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A Chemotaxis protein cheY P0A2D5 (2-129) (CHEY_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search 99% 128 100%
B Chemotaxis protein cheY P0A2D5 (2-129) (CHEY_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search 99% 128 100%
C Chemotaxis protein cheY P0A2D5 (2-129) (CHEY_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search 99% 128 100%
D Chemotaxis protein cheZ P07800 (196-214) (CHEZ_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search < 90% 19 100%
E Chemotaxis protein cheZ P07800 (196-214) (CHEZ_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search < 90% 19 100%
F Chemotaxis protein cheZ P07800 (196-214) (CHEZ_SALTY)search Salmonella enterica subsp. enterica serovar Typhimurium str. LT2search < 90% 19 100%


This entry contains 2 unique UniProt proteins:

UniProt accession Name Organism PDB
P0A2D5 (2 - 129) Chemotaxis protein cheY Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
P07800 (196 - 214) Chemotaxis protein cheZ

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, B, C (P0A2D5) CheY-relatedsearch Rossmann foldsearch PF00072: Response regulator receiver domainsearch
D, E, F Chemotaxis phosphatase, CheZsearch

Chain ID Molecular function (GO) Biological process (GO) Cellular component (GO)
A, B, C (P0A2D5) phosphorelay response regulator activitysearch metal ion bindingsearch phosphorelay signal transduction systemsearch archaeal or bacterial-type flagellum-dependent cell motilitysearch chemotaxissearch intracellular signal transductionsearch cytoplasmsearch

Chain InterPro annotation
A, B, C Signal transduction response regulator, receiver domainsearch CheY-like superfamilysearch
D, E, F Chemotaxis phosphatase, CheZsearch