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(-) Description

Title :  CHEY FROM THERMOTOGA MARITIMA (MG-IV)
 
Authors :  K. C. Usher, A. De La Cruz, F. W. Dahlquist, S. J. Remington
Date :  06 Jun 97  (Deposition) - 03 Dec 97  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  B  (1x)
Biol. Unit 2:  A  (1x)
Keywords :  Chemotaxis, Phosphoryl Transfer, Signal Transduction, Magnesium Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. C. Usher, A. F. De La Cruz, F. W. Dahlquist, R. V. Swanson, M. I. Simon, S. J. Remington
Crystal Structures Of Chey From Thermotoga Maritima Do Not Support Conventional Explanations For The Structural Basis Of Enhanced Thermostability.
Protein Sci. V. 7 403 1998
PubMed-ID: 9521117
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CHEY PROTEIN
    Cellular Location: CYTOPLASM
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Cellular Location: CYTOPLASM
    Expression System Gene: CHEY
    Expression System Plasmid: PQE12
    Expression System Strain: K0641/RECA
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: CHEY
    Organism Scientific: THERMOTOGA MARITIMA
    Organism Taxid: 2336
    Synonym: TMY

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x):  B
Biological Unit 2 (1x): A 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1MG2Ligand/IonMAGNESIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1MG-1Ligand/IonMAGNESIUM ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:10 , ASP A:54 , THR A:56BINDING SITE FOR RESIDUE MG A 125
2AC2SOFTWAREASP B:10 , ASP B:54 , THR B:56BINDING SITE FOR RESIDUE MG B 125
3ACAUNKNOWNASP A:54 , LYS A:104 , ASP A:9 , ASP A:10ACTIVE SITE AND METAL BINDING SITE.
4ACBUNKNOWNASP B:54 , LYS B:104 , ASP B:9 , ASP B:10ACTIVE SITE AND METAL BINDING SITE.

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4TMY)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Lys A:104 -Pro A:105
2Lys B:104 -Pro B:105

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4TMY)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4TMY)

(-) Exons   (0, 0)

(no "Exon" information available for 4TMY)

(-) Sequences/Alignments

Asymmetric 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:118
                                                                                                                                                      
               SCOP domains d4tmya_ A: CheY protein                                                                                                SCOP domains
               CATH domains 4tmyA00 A:2-119  [code=3.40.50.2300, no name defined]                                                                  CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee...hhhhhhhhhhhhhh.....eee..hhhhhhhhhhh...eeeee.......hhhhhhhhhhh.....eeeeee...hhhhhhhhhh...eeeee...hhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 4tmy A   2 GKRVLIVDDAAFMRMMLKDIITKAGYEVAGEATNGREAVEKYKELKPDIVTMDITMPEMNGIDAIKEIMKIDPNAKIIVCSAMGQQAMVIEAIKAGAKDFIVKPFQPSRVVEALNKVS 119
                                    11        21        31        41        51        61        71        81        91       101       111        


Chain B from PDB  Type:PROTEIN  Length:118
                                                                                                                                                      
               SCOP domains d4tmyb_ B: CheY protein                                                                                                SCOP domains
               CATH domains 4tmyB00 B:2-119  [code=3.40.50.2300, no name defined]                                                                  CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee...hhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhh...eeeee.......hhhhhhhhhhh.....eeeee...hhhhhhhhhhh...eeee....hhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 4tmy B   2 GKRVLIVDDAAFMRMMLKDIITKAGYEVAGEATNGREAVEKYKELKPDIVTMDITMPEMNGIDAIKEIMKIDPNAKIIVCSAMGQQAMVIEAIKAGAKDFIVKPFQPSRVVEALNKVS 119
                                    11        21        31        41        51        61        71        81        91       101       111
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  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 Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4TMY)

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)

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  4tmy
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  CHEY_THEMA | Q56312
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 Related Entries

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

UniProtKB/Swiss-Prot
        CHEY_THEMA | Q56312: 1tmy 1u0s 2lle 2tmy 3tmy 4iga 4qwv 4qyw

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 4TMY)