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(-) Description

Title :  E.COLI RESPONSE REGULATOR PHOP RECEIVER DOMAIN
 
Authors :  P. Bachhawat
Date :  18 Apr 07  (Deposition) - 22 May 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.54
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Chey Like Fold, Response Regulator, Transcription Factor, Phop, Virulence, Phob Family, Transcriptional Regulator (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Bachhawat, A. M. Stock
Crystal Structures Of The Receiver Domain Of The Response Regulator Phop From Escherichia Coli In The Absence And Presence Of The Phosphoryl Analog Beryllofluoride.
J. Bacteriol. V. 189 5987 2007
PubMed-ID: 17545283  |  Reference-DOI: 10.1128/JB.00049-07
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TRANSCRIPTIONAL REGULATORY PROTEIN PHOP
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PEF31
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PJES307
    Fragment: N-TERMINAL REGULATORY DOMAIN (RESIDUES 1-121)
    Gene: PHOP
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 8)

Asymmetric/Biological Unit (1, 8)
No.NameCountTypeFull Name
1MSE8Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (0, 0)

(no "Site" information available for 2PKX)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2PKX)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Lys A:101 -Pro A:102
2Lys B:101 -Pro B:102

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2PKX)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RESPONSE_REGULATORYPS50110 Response regulatory domain profile.PHOP_ECOLI2-116
 		  2A:2-116
B:2-116

(-) Exons   (0, 0)

(no "Exon" information available for 2PKX)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:119
 aligned with PHOP_ECOLI | P23836 from UniProtKB/Swiss-Prot  Length:223

    Alignment length:119
                                    10        20        30        40        50        60        70        80        90       100       110         
           PHOP_ECOLI     1 MRVLVVEDNALLRHHLKVQIQDAGHQVDDAEDAKEADYYLNEHIPDIAIVDLGLPDEDGLSLIRRWRSNDVSLPILVLTARESWQDKVEVLSAGADDYVTKPFHIEEVMARMQALMRRN 119
               SCOP domains d2pkxa1 A:1-119 PhoP receiver domain                                                                                    SCOP domains
               CATH domains -2pkxA00 A:2-119  [code=3.40.50.2300, no name defined]                                                                  CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee..hhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhh...eeeee......hhhhhhhhhhhh.....eeeee...hhhhhhhhhhhh..eeee...hhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -RESPONSE_REGULATORY  PDB: A:2-116 UniProt: 2-116                                                                   --- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 2pkx A   1 mRVLVVEDNALLRHHLKVQIQDAGHQVDDAEDAKEADYYLNEHIPDIAIVDLGLPDEDGLSLIRRWRSNDVSLPILVLTARESWQDKVEVLSAGADDYVTKPFHIEEVmARmQALmRRN 119
                            |       10        20        30        40        50        60        70        80        90       100       110 |   |   
                            |                                                                                                         109-MSE  |   
                            1-MSE                                                                                                        112-MSE   
                                                                                                                                             116-MSE


Chain B from PDB  Type:PROTEIN  Length:120
 aligned with PHOP_ECOLI | P23836 from UniProtKB/Swiss-Prot  Length:223

    Alignment length:120
                                    10        20        30        40        50        60        70        80        90       100       110       120
           PHOP_ECOLI     1 MRVLVVEDNALLRHHLKVQIQDAGHQVDDAEDAKEADYYLNEHIPDIAIVDLGLPDEDGLSLIRRWRSNDVSLPILVLTARESWQDKVEVLSAGADDYVTKPFHIEEVMARMQALMRRNS 120
               SCOP domains d2pkxb_ B: PhoP receiver domain                                                                                          SCOP domains
               CATH domains -2pkxB00 B:2-120  [code=3.40.50.2300, no name defined]                                                                   CATH domains
           Pfam domains (1) --Response_reg-2pkxB01 B:3-113                                                                                   ------- Pfam domains (1)
           Pfam domains (2) --Response_reg-2pkxB02 B:3-113                                                                                   ------- Pfam domains (2)
         Sec.struct. author .eeeee..hhhhhhhhhhhhhhh..eeeee.hhhhhhhhhhhh...eeeee......hhhhhhhhhhhh.....eeeee...hhhhhhhhhhhh..eeee...hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -RESPONSE_REGULATORY  PDB: B:2-116 UniProt: 2-116                                                                   ---- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------ Transcript
                 2pkx B   1 mRVLVVEDNALLRHHLKVQIQDAGHQVDDAEDAKEADYYLNEHIPDIAIVDLGLPDEDGLSLIRRWRSNDVSLPILVLTARESWQDKVEVLSAGADDYVTKPFHIEEVmARmQALmRRNS 120
                            |       10        20        30        40        50        60        70        80        90       100       110 |   | 120
                            |                                                                                                         109-MSE  |    
                            1-MSE                                                                                                        112-MSE    
                                                                                                                                             116-MSE
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: CheY (97)

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (PHOP_ECOLI | P23836)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
biological process
    GO:0000160    phosphorelay signal transduction system    A conserved series of molecular signals found in prokaryotes and eukaryotes; involves autophosphorylation of a histidine kinase and the transfer of the phosphate group to an aspartate that then acts as a phospho-donor to response regulator proteins.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

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        PHOP_ECOLI | P23836: 2pl1

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