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(-) Description

Title :  THE STRUCTURE OF THE INACTIVE MUTANT G153R OF LPTC FROM E.COLI
 
Authors :  R. Villa, A. M. Martorana, P. Sperandeo, D. Kahne, S. Okuda, L. J. Gourla M. Nardini, M. Bolognesi, A. Polissi
Date :  02 Aug 12  (Deposition) - 16 Jan 13  (Release) - 20 Feb 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Transport Protein, Inactive Mutant (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  R. Villa, A. M. Martorana, S. Okuda, L. J. Gourlay, M. Nardini, P. Sperandeo, G. Deho, M. Bolognesi, D. Kahne, A. Polissi
The Escherichia Coli Lpt Transenvelope Protein Complex For Lipopolysaccharide Export Is Assembled Via Conserved Structurally Homologous Domains.
J. Bacteriol. V. 195 1100 2013
PubMed-ID: 23292770  |  Reference-DOI: 10.1128/JB.02057-12

(-) Compounds

Molecule 1 - LIPOPOLYSACCHARIDE EXPORT SYSTEM PROTEIN LPTC
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantPLYSS
    Expression System VectorPQESH
    Expression System Vector TypePLASMID
    FragmentPERIPLASMIC DOMAIN, RESIDUES 21-191
    MutationYES
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    SynonymLIPOSACCHARIDE TRANSPORT PROTEIN C

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELEU A:120 , SER A:159 , ARG A:179BINDING SITE FOR RESIDUE ACT A1183

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4B54)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4B54)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4B54)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4B54)

(-) Exons   (0, 0)

(no "Exon" information available for 4B54)

(-) 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:125
 aligned with LPTC_ECOLI | P0ADV9 from UniProtKB/Swiss-Prot  Length:191

    Alignment length:125
                                    67        77        87        97       107       117       127       137       147       157       167       177     
           LPTC_ECOLI    58 LSYRLIAQHVEYYSDQAVSWFTQPVLTTFDKDKIPTWSVKADKAKLTNDRMLYLYGHVEVNALVPDSQLRRITTDNAQINLVTQDVTSEDLVTLYGTTFNSSGLKMRGNLRSKNAELIEKVRTSY 182
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeeeeee...........eeeee.....eeeeee..........eeeeeeeeeeee......eeeeeeeeeeee....eeeeeeeeeeee....eeeeeeeee....eeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------- Transcript
                 4b54 A  58 LSYRLIAQHVEYYSDQAVSWFTQPVLTTFDKDKIPTWSVKADKAKLTNDRMLYLYGHVEVNALVPDSQLRRITTDNAQINLVTQDVTSEDLVTLYRTTFNSSGLKMRGNLRSKNAELIEKVRTSY 182
                                    67        77        87        97       107       117       127       137       147       157       167       177     

Chain B from PDB  Type:PROTEIN  Length:125
 aligned with LPTC_ECOLI | P0ADV9 from UniProtKB/Swiss-Prot  Length:191

    Alignment length:125
                                    68        78        88        98       108       118       128       138       148       158       168       178     
           LPTC_ECOLI    59 SYRLIAQHVEYYSDQAVSWFTQPVLTTFDKDKIPTWSVKADKAKLTNDRMLYLYGHVEVNALVPDSQLRRITTDNAQINLVTQDVTSEDLVTLYGTTFNSSGLKMRGNLRSKNAELIEKVRTSYE 183
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............................................................................................................................. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------- Transcript
                 4b54 B  59 SYRLIAQHVEYYSDQAVSWFTQPVLTTFDKDKIPTWSVKADKAKLTNDRMLYLYGHVEVNALVPDSQLRRITTDNAQINLVTQDVTSEDLVTLYRTTFNSSGLKMRGNLRSKNAELIEKVRTSYE 183
                                    68        78        88        98       108       118       128       138       148       158       168       178     

   Legend:   → Mismatch (orange background)
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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  (0, 0)

(no "SCOP Domain" information available for 4B54)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4B54)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4B54)

(-) Gene Ontology  (12, 12)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (LPTC_ECOLI | P0ADV9)
molecular function
    GO:0017089    glycolipid transporter activity    Enables the directed movement of glycolipids, compounds containing (usually) 1-4 linked monosaccharide residues joined by a glycosyl linkage to a lipid, into, out of or within a cell, or between cells.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0015221    lipopolysaccharide transmembrane transporter activity    Enables the transfer of lipopolysaccharides from one side of the membrane to the other. A lipopolysaccharide is any of a group of related, structurally complex components of the outer membrane of Gram-negative bacteria. Lipopolysaccharides consist three covalently linked regions, lipid A, core oligosaccharide, and an O side chain. Lipid A is responsible for the toxicity of the lipopolysaccharide.
    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).
biological process
    GO:0043165    Gram-negative-bacterium-type cell outer membrane assembly    The assembly of an outer membrane of the type formed in Gram-negative bacteria. This membrane is enriched in polysaccharide and protein, and the outer leaflet of the membrane contains specific lipopolysaccharide structures.
    GO:0046836    glycolipid transport    The directed movement of glycolipids, compounds containing (usually) 1-4 linked monosaccharide residues joined by a glycosyl linkage to a lipid, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0015920    lipopolysaccharide transport    The directed movement of lipopolysaccharides into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. A lipopolysaccharide is any of a group of related, structurally complex components of the outer membrane of Gram-negative bacteria. Lipopolysaccharides consist three covalently linked regions, lipid A, core oligosaccharide, and an O side chain. Lipid A is responsible for the toxicity of the lipopolysaccharide.
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:0005887    integral component of plasma membrane    The component of the plasma 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:0030288    outer membrane-bounded periplasmic space    The region between the inner (cytoplasmic or plasma) membrane and outer membrane of organisms with two membranes such as Gram negative bacteria. These periplasmic spaces are relatively thick and contain a thin peptidoglycan layer (PGL), also referred to as a thin cell wall.
    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

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

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        LPTC_ECOLI | P0ADV93my2

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