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(-) Description

Title :  THE SOLUTION STRUCTURE OF PHOTOTACTIC TRANSDUCER PROTEIN HTRII LINKER REGION FROM NATRONOMONAS PHARAONIS
 
Authors :  K. Hayashi, Y. Sudo, J. Jee, M. Mishima, H. Hara, N. Kamo, C. Kojima
Date :  15 Oct 07  (Deposition) - 04 Dec 07  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Protein, Chemotaxis, Chromophore, Membrane, Methylation, Photoreceptor Protein, Receptor, Sensory Transduction, Transducer, Transmembrane, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Hayashi, Y. Sudo, J. Jee, M. Mishima, H. Hara, N. Kamo, C. Kojima
Structural Analysis Of The Phototactic Transducer Protein Htrii Linker Region From Natronomonas Pharaonis
Biochemistry V. 46 14380 2007
PubMed-ID: 18001143  |  Reference-DOI: 10.1021/BI701837N
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SENSORY RHODOPSIN II TRANSDUCER
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21 STAR(DE3)
    Expression System Taxid: 562
    Expression System Vector: PET21
    Expression System Vector Type: VECTOR
    Fragment: RESIDUES UNP 100-159
    Gene: HTRII
    Organism Scientific: NATRONOMONAS PHARAONIS
    Organism Taxid: 2257
    Synonym: HTR-II, METHYL-ACCEPTING PHOTOTAXIS PROTEIN II, MPP-II

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2RM8)

(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2RM8)

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2RM8)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HAMPPS50885 HAMP domain profile.HTR2_NATPH84-136
157-210		  1-
A:157-159

(-) Exons   (0, 0)

(no "Exon" information available for 2RM8)

(-) Sequences/Alignments

NMR Structure
   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:68
 aligned with HTR2_NATPH | P42259 from UniProtKB/Swiss-Prot  Length:534

    Alignment length:68
                                   109       119       129       139       149       159        
           HTR2_NATPH   100 MGDGDLDVELETRREDEIGDLYAAFDEMRQSVRTSLEDAKNAREDAEQAQKRAEEINTELQAEAERFG 167
               SCOP domains -------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------- CATH domains
               Pfam domains HAMP-2rm8A01 A:100-133            ---------------------------------- Pfam domains
         Sec.struct. author ...................................hhhhhhhhhhhhhhhh................. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE HAMP  PDB: - UniProt: 84-136         --------------------HAMP        PROSITE
                 Transcript -------------------------------------------------------------------- Transcript
                 2rm8 A 100 MGDGDLDVELETRREDEIGDLYAAFDEMRQSVRTSLEDAKNAREDAEQAQKRAEEINTELLEHHHHHH 167
                                   109       119       129       139       149       159
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 2RM8)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2RM8)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: no clan defined [family: HAMP] (12)

(-) Gene Ontology  (10, 10)

NMR Structure(hide GO term definitions)
Chain A   (HTR2_NATPH | P42259)
molecular function
    GO:0009881    photoreceptor activity    The function of absorbing and responding to incidental electromagnetic radiation, particularly visible light. The response may involve a change in conformation.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0004871    signal transducer activity    Conveys a signal across a cell to trigger a change in cell function or state. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response.
biological process
    GO:0006935    chemotaxis    The directed movement of a motile cell or organism, or the directed growth of a cell guided by a specific chemical concentration gradient. Movement may be towards a higher concentration (positive chemotaxis) or towards a lower concentration (negative chemotaxis).
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
    GO:0050896    response to stimulus    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus. The process begins with detection of the stimulus and ends with a change in state or activity or the cell or organism.
    GO:0007165    signal transduction    The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

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        HTR2_NATPH | P42259: 1h2s 2f93 2f95 4gyc 5jje 5jjf 5jjj 5jjn

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