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(-) Description

Title :  ENGINEERED LIPOCALIN DIGA16 IN COMPLEX WITH DIGOXIGENIN
 
Authors :  I. P. Korndoerfer, A. Skerra
Date :  25 Apr 02  (Deposition) - 17 Jun 03  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A
Keywords :  Pieris Brassicae, Lipocalin, Anticalin, Genetical Engineering, Digoxigenin, Ligand Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  I. P. Korndoerfer, S. Schlehuber, A. Skerra
Structural Mechanism Of Specific Ligand Recognition By A Lipocalin Tailored For The Complexation Of Digoxigenin.
J. Mol. Biol. V. 330 385 2003
PubMed-ID: 12823976  |  Reference-DOI: 10.1016/S0022-2836(03)00573-4
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DIGA16
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPBBP21-DIGA16
    Expression System StrainJM83
    Expression System Taxid562
    Expression System Vector TypePLASMID
    MutationYES
    Organism CommonLARGE CABBAGE WHITE
    Organism ScientificPIERIS BRASSICAE
    Organism Taxid7116
    Other DetailsGENETICALLY ENGINEERED VARIANT OF BILIN BINDING PROTEIN
    SynonymBILIN BINDING PROTEIN, BBP, DIGA16 ANTICALIN

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1DOG1Ligand/IonDIGOXIGENIN

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLN A:28 , HIS A:35 , TYR A:39 , TYR A:47 , ARG A:58 , HIS A:86 , PHE A:114 , TRP A:129 , LEU A:131 , HOH A:502 , HOH A:523BINDING SITE FOR RESIDUE DOG A 500

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:8 -A:115

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1LKE)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1LKE)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1LIPOCALINPS00213 Lipocalin signature.BBP_PIEBR31-44  1A:16-29

(-) Exons   (0, 0)

(no "Exon" information available for 1LKE)

(-) 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    
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:157
 aligned with BBP_PIEBR | P09464 from UniProtKB/Swiss-Prot  Length:189

    Alignment length:162
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179  
            BBP_PIEBR    20 DGACPEVKPVDNFDWSNYHGKWWEVAKYPNSVEKYGKCGWAEYTPEGKSVKVSNYHVIHGKEYFIEGTAYPVGDSKIGKIYHKLTYGGVTKENVFNVLSTDNKNYIIGYYCKYDEDKKGHQDFVWVLSRSKVLTGEAKTAVENYLIGSPVVDSQKLVYSDFS 181
               SCOP domains d1lkea_ A: Bilin-binding protein                                                                                                                                   SCOP domains
               CATH domains 1lkeA00 A:5-166  [code=2.40.128.20, no name defined]                                                                                                               CATH domains
               Pfam domains ------------------Lipocalin-1lkeA01 A:23-166                                                                                                                       Pfam domains
         Sec.struct. author .............hhhhh.eeeeeeeehhhhhhhhheeeeeeeeee..eeeeeeeeee..eeeeeeeeeee..hhhh.eeeeeeee..eeeeeeeeeeee....eeeeeeee.-----..eeeeeeee.....hhhhhhhhhhhhhhh...hhhhhee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------LIPOCALIN     ----------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1lke A   5 DGACPEVKPVDNFDWSQYHGKWWQVAAYPDHITKYGKCGWAEYTPEGKSVKVSRYSVIHGKEYFSEGTAYPVGDSKIGKIYHSYTIGGVTQEGVFNVLSTDNKNYIIGYFCSY-----GHMDLVWVLSRSMVLTGEAKTAVENYLIGSPVVDSQKLVYSDFS 166
                                    14        24        34        44        54        64        74        84        94       104       114  |    124       134       144       154       164  
                                                                                                                                          117   123                                           

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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

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (1, 1)

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

(-) Gene Ontology  (3, 3)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (BBP_PIEBR | P09464)
molecular function
    GO:0031409    pigment binding    Interacting selectively and non-covalently with a pigment, any general or particular coloring matter in living organisms, e.g. melanin.
biological process
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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 Related Entries

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

UniProtKB/Swiss-Prot
        BBP_PIEBR | P094641bbp 1kxo 1lnm 1n0s 1t0v

(-) Related Entries Specified in the PDB File

1bbp BILIN-BINDING PROTEIN
1kxo ENGINEERED LIPOCALIN DIGA16: APO-FORM
1n0s ENGINEERED LIPOCALIN FLUA IN COMPLEX WITH FLUORESCEIN