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(-) Description

Title :  STRUCTURE OF MONOMERIC BLC FROM E. COLI
 
Authors :  A. Schiefner, A. Skerra
Date :  26 Mar 10  (Deposition) - 08 Dec 10  (Release) - 11 Apr 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym./Biol. Unit :  A
Keywords :  Bacterial Outer Membrane Lipoprotein, Beta-Barrel, Lipid Membrane Anchor, Lipocalin, Lipid Binding Protein, Membrane Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Schiefner, L. Chatwell, D. A. Breustedt, A. Skerra
Structural And Biochemical Analyses Reveal A Monomeric Stat Of The Bacterial Lipocalin Blc.
Acta Crystallogr. , Sect. D V. 66 1308 2010
PubMed-ID: 21123871  |  Reference-DOI: 10.1107/S0907444910039375

(-) Compounds

Molecule 1 - OUTER MEMBRANE LIPOPROTEIN BLC
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PASK75-STREPII
    Expression System Strain: JM83
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: B4149, BLC, JW4110, YJEL
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 83333
    Strain: K-12

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

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(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

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(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3MBT)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1LIPOCALINPS00213 Lipocalin signature.BLC_ECOLI33-46  1A:15-28

(-) Exons   (0, 0)

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(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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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:149
 aligned with BLC_ECOLI | P0A901 from UniProtKB/Swiss-Prot  Length:177

    Alignment length:149
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166         
            BLC_ECOLI    27 GVTVVNNFDAKRYLGTWYEIARFDHRFERGLEKVTATYSLRDDGGLNVINKGYNPDRGMWQQSEGKAYFTGAPTRAALKVSFFGPFYGGYNVIALDREYRHALVCGPDRDYLWILSRTPTISDEVKQEMLAVATREGFDVSKFIWVQQP 175
               SCOP domains d3mbta_ A: automated matches                                                                                                                          SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------Lipocalin_2-3mbtA01 A:16-156                                                                                                                 - Pfam domains
         Sec.struct. author ........hhhhh.eeeeeeee.........eeeeeeeee.....eeeeeeeee....eeeeeeeeeee.......eeeee.....eeeeeeeee.....eeeee......eeeee.....hhhhhhhhhhhhhhh..hhhhh...... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------LIPOCALIN     --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3mbt A   9 GVTVVNNFDAKRYLGTWYEIARFDHRFERGLEKVTATYSLRDDGGLNVINKGYNPDRGMWQQSEGKAYFTGAPTRAALKVSFFGPFYGGYNVIALDREYRHALVSGPDRDYLWILSRTPTISDEVKQEMLAVATREGFDVSKFIWVQQP 157
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148
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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  (1, 1)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3MBT)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: Calycin (163)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (BLC_ECOLI | P0A901)
molecular function
    GO:0008289    lipid binding    Interacting selectively and non-covalently with a lipid.
    GO:0005215    transporter activity    Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells.
biological process
    GO:0006974    cellular response to DNA damage stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0009279    cell outer membrane    A lipid bilayer that forms the outermost membrane of the cell envelope; enriched in polysaccharide and protein; the outer leaflet of the membrane contains specific lipopolysaccharide structures.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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 Related Entries

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

UniProtKB/Swiss-Prot
        BLC_ECOLI | P0A901: 1qwd 2aco

(-) Related Entries Specified in the PDB File

1qwd THE SAME PROTEIN WITH N-TERMINAL GATEWAY CLONING ARTIFACT.
2aco THE SAME PROTEIN WITH N-TERMINAL GATEWAY CLONING ARTIFACT IN HETERO-TRIMERIC COMPLEX WITH VACCENIC ACID.