1bdj Summary

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COMPLEX STRUCTURE OF HPT DOMAIN AND CHEY

The structure was published by Kato, M., Shimizu, T., Mizuno, T., and Hakoshima, T., in 1999 in a paper entitled "Structure of the histidine-containing phosphotransfer (HPt) domain of the anaerobic sensor protein ArcB complexed with the chemotaxis response regulator CheY." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.68 Å and deposited in 1998.

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

This PDB entry contains a complex of 2 biomacromolecules, namely CHEY and AEROBIC RESPIRATION CONTROL SENSOR PROTEIN ARCB.

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 most likely forms heterodimers.

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 CHEY P0AE67 (2-129) (CHEY_ECOLI)search Escherichia coli K-12search 97% 128 100%
B AEROBIC RESPIRATION CONTROL SENSOR PROTEIN ARCB P0AEC3 (654-778) (ARCB_ECOLI)search Escherichia coli K-12search < 90% 125 93%


This entry contains 2 unique UniProt proteins:

UniProt accession Name Organism PDB
P0AE67 (2 - 129) CHEY Escherichia coli
P0AEC3 (654 - 778) AEROBIC RESPIRATION CONTROL SENSOR PROTEIN ARCB Escherichia coli

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A (P0AE67) CheY-relatedsearch Rossmann foldsearch PF00072: Response regulator receiver domainsearch
B Aerobic respiration control sensor protein, ArcBsearch Four Helix Bundle (Hemerythrin (Met), subunit A)search Hpt domainsearch

Chain ID Biological process (GO) Molecular function (GO) Cellular component (GO)
A (P0AE67) protein acetylationsearch phosphorelay signal transduction systemsearch archaeal or bacterial-type flagellum-dependent cell motilitysearch chemotaxissearch bacterial-type flagellum-dependent cell motilitysearch internal peptidyl-lysine acetylationsearch protein bindingsearch metal ion bindingsearch acetyltransferase activitysearch magnesium ion bindingsearch cytoplasmsearch
B (P0AEC3) phosphorelay signal transduction systemsearch signal transducer activitysearch

Chain InterPro annotation
A Signal transduction response regulator, receiver domainsearch CheY-like superfamilysearch
B Signal transduction histidine kinase, phosphotransfer (Hpt) domainsearch