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(-) Description

Title :  CRYSTAL STRUCTURE OF ESCHERICHIA COLI PLIG, A PERIPLASMIC LYSOZYME INHIBITOR OF G-TYPE LYSOZYME
 
Authors :  S. Leysen, S. Vanheuverzwijn, K. Van Asten, L. Vanderkelen, C. W. Mich S. V. Strelkov
Date :  28 Feb 12  (Deposition) - 13 Jun 12  (Release) - 24 Oct 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Lysozyme Inhibitor, G-Type Lysozyme Binding, Hormone Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Leysen, L. Vanderkelen, K. Van Asten, S. Vanheuverzwijn, V. Theuwis, C. W. Michiels, S. V. Strelkov
Structural Characterization Of The Plig Lysozyme Inhibitor Family.
J. Struct. Biol. V. 180 235 2012
PubMed-ID: 22634186  |  Reference-DOI: 10.1016/J.JSB.2012.05.006

(-) Compounds

Molecule 1 - INHIBITOR OF G-TYPE LYSOZYME
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PETHSUL
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 23-133
    Gene: PLIG, YCGK, B1178, JW1167
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 83333
    Strain: K12

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1GOL2Ligand/IonGLYCEROL
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:29 , PHE A:31 , TYR A:55 , ILE A:132 , HOH A:338 , HOH A:440 , HOH A:457BINDING SITE FOR RESIDUE GOL A 201
2AC2SOFTWAREPHE B:31 , TYR B:55 , ILE B:132 , HOH B:309 , HOH B:334 , HOH B:390 , HOH B:423 , HOH B:441BINDING SITE FOR RESIDUE GOL B 201

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4DY3)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4DY3)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4DY3)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4DY3)

(-) Exons   (0, 0)

(no "Exon" information available for 4DY3)

(-) 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:111
 aligned with PLIG_ECOLI | P76002 from UniProtKB/Swiss-Prot  Length:133

    Alignment length:111
                                    32        42        52        62        72        82        92       102       112       122       132 
           PLIG_ECOLI    23 AGKNVNVEFRKGHSSAQYSGEIKGYDYDTYTFYAKKGQKVHVSISNEGADTYLFGPGIDDSVDLSRYSPELDSHGQYSLPASGKYELRVLQTRNDARKNKTKKYNVDIQIK 133
               SCOP domains --------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee........eeeeeeeee....eeeeeee....eeeeee.....eeeee.......ee.............ee....eeeeeeee.hhhhhhh..eeeeeeeeeee Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------- Transcript
                 4dy3 A  23 AGKNVNVEFRKGHSSAQYSGEIKGYDYDTYTFYAKKGQKVHVSISNEGADTYLFGPGIDDSVDLSRYSPELDSHGQYSLPASGKYELRVLQTRNDARKNKTKKYNVDIQIK 133
                                    32        42        52        62        72        82        92       102       112       122       132 


Chain B from PDB  Type:PROTEIN  Length:111
 aligned with PLIG_ECOLI | P76002 from UniProtKB/Swiss-Prot  Length:133

    Alignment length:111
                                    32        42        52        62        72        82        92       102       112       122       132 
           PLIG_ECOLI    23 AGKNVNVEFRKGHSSAQYSGEIKGYDYDTYTFYAKKGQKVHVSISNEGADTYLFGPGIDDSVDLSRYSPELDSHGQYSLPASGKYELRVLQTRNDARKNKTKKYNVDIQIK 133
               SCOP domains --------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee........eeeeeeeee....eeeeeee....eeeeee.....eeeee.......ee.............ee....eeeeeeee.hhhhhhh..eeeeeeeeeee Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------- Transcript
                 4dy3 B  23 AGKNVNVEFRKGHSSAQYSGEIKGYDYDTYTFYAKKGQKVHVSISNEGADTYLFGPGIDDSVDLSRYSPELDSHGQYSLPASGKYELRVLQTRNDARKNKTKKYNVDIQIK 133
                                    32        42        52        62        72        82        92       102       112       122       132
   Legend:   → Mismatch (orange background)
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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 4DY3)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4DY3)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4DY3)

(-) Gene Ontology  (4, 4)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (PLIG_ECOLI | P76002)
molecular function
    GO:0060241    lysozyme inhibitor activity    Stops, prevents or reduces the activity of a lysozyme, an enzyme that hydrolyses the beta- (1,4) glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine in peptidoglycan.
biological process
    GO:0043086    negative regulation of catalytic activity    Any process that stops or reduces the activity of an enzyme.
cellular component
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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 Related Entries

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

UniProtKB/Swiss-Prot
        PLIG_ECOLI | P76002: 4dxz 4g9s

(-) Related Entries Specified in the PDB File

4dy5 4dzg