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(-) Description

Title :  STRUCTURE OF EPA1A IN COMPLEX WITH THE T-ANTIGEN (GAL-B1-3- GALNAC)
 
Authors :  M. Maestre-Reyna, R. Diderrich, M. S. Veelders, G. Eulenburg, V. Kalug S. Brueckner, P. Keller, S. Rupp, H. -U. Moesch, L. -O. Essen
Date :  02 May 12  (Deposition) - 17 Oct 12  (Release) - 14 Jun 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.24
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Cell Adhesion, Lectin, Tissue Invasion, Pathogenicity (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Maestre-Reyna, R. Diderrich, M. S. Veelders, G. Eulenburg, V. Kalugin, S. Bruckner, P. Keller, S. Rupp, H. Mosch, L. -O. Essen
Structural Basis For Promiscuity And Specificity During Candida Glabrata Invasion Of Host Epithelia.
Proc. Natl. Acad. Sci. Usa V. 109 16864 2012
PubMed-ID: 23035251  |  Reference-DOI: 10.1073/PNAS.1207653109

(-) Compounds

Molecule 1 - EPA1P
    Atcc2001
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System VariantSHUFFLE T7 EXPRESS (C3029)
    Expression System VectorPET28A
    Expression System Vector TypePLASMID
    FragmentADHESION DOMAIN (A DOMAIN), RESIDUES 31-271
    Organism ScientificCANDIDA GLABRATA
    Organism Taxid5478
    StrainCBS138
    SynonymEPITHELIAL ADHESIN 1

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit A
Biological Unit 1 (2x)A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 10)

Asymmetric Unit (5, 10)
No.NameCountTypeFull Name
1CA1Ligand/IonCALCIUM ION
2GAL1Ligand/IonBETA-D-GALACTOSE
3GOL2Ligand/IonGLYCEROL
4NA5Ligand/IonSODIUM ION
5NGA1Ligand/IonN-ACETYL-D-GALACTOSAMINE
Biological Unit 1 (3, 8)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2GAL2Ligand/IonBETA-D-GALACTOSE
3GOL4Ligand/IonGLYCEROL
4NA-1Ligand/IonSODIUM ION
5NGA2Ligand/IonN-ACETYL-D-GALACTOSAMINE

(-) Sites  (9, 9)

Asymmetric Unit (9, 9)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:164 , ASP A:165 , ASN A:225 , GLU A:227 , ASP A:229 , GAL A:302binding site for residue CA A 301
2AC2SOFTWAREASP A:69 , HOH A:579 , HOH A:648binding site for residue NA A 304
3AC3SOFTWARELYS A:204 , GLU A:206 , HOH A:737binding site for residue NA A 305
4AC4SOFTWAREGLU A:64 , TYR A:66 , TYR A:93 , GOL A:309 , HOH A:517 , HOH A:638binding site for residue NA A 306
5AC5SOFTWAREASP A:53 , GLU A:239 , HOH A:689binding site for residue NA A 307
6AC6SOFTWAREVAL A:153 , PHE A:236 , THR A:238 , ASN A:241 , VAL A:245 , TYR A:251 , HOH A:409 , HOH A:485 , HOH A:499 , HOH A:549binding site for residue GOL A 308
7AC7SOFTWARETYR A:66 , LYS A:94 , LEU A:98 , NA A:306 , HOH A:414 , HOH A:415 , HOH A:638binding site for residue GOL A 309
8AC8SOFTWAREASN A:243 , HOH A:598binding site for residue NA A 310
9AC9SOFTWARETYR A:76 , GLY A:118 , ASP A:164 , ASP A:165 , TRP A:198 , ARG A:226 , GLU A:227 , TYR A:228 , ASP A:229 , CA A:301 , HOH A:406 , HOH A:425 , HOH A:534 , HOH A:548 , HOH A:575 , HOH A:602 , HOH A:605binding site for Poly-Saccharide residues GAL A 302 through NGA A 303

(-) SS Bonds  (3, 3)

Asymmetric Unit
No.Residues
1A:50 -A:179
2A:78 -A:119
3A:180 -A:262

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Tyr A:76 -Pro A:77
2Asp A:164 -Asp A:165

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4ASL)

(-) 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:229
 aligned with Q6FUW5_CANGA | Q6FUW5 from UniProtKB/TrEMBL  Length:1034

    Alignment length:229
                                    48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258         
         Q6FUW5_CANGA    39 ASKDPTTFPLGCSPDITTPKKGLSMELYSYDFRKKGSYPCWDAAYLDPNYPRTGYKSHRLLAKVDGVTGNINFYYHATKGCTPQLGHLPASYNYPKPLTMTNFTMLLYGYFRPKVTGFHTFTISADDLLFVNFGAGNAFDCCRRDSSADHFGNYQAYAIWGSKTAKDELTVHLDAGVYYPIRLFYNNREYDGALSFTFKTESNENTVSDFSEYFFSLDDTEEGCPGLIS 267
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...................ee.eeeeeee.............hhhhh.....hhhhhh.eeeeeeee.....eee.........ee..hhhhh....ee...eeeeeeeee.....eeeeeeeeee.eeeeee.........hhhhhh.......eeee......eeeeeeee.....eeeeeeeee....eeeeeeeee.............eee............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4asl A  39 ASKDPTTFPLGCSPDITTPKKGLSMELYSYDFRKKGSYPCWDAAYLDPNYPRTGYKSHRLLAKVDGVTGNINFYYHATKGCTPQLGHLPASYNYPKPLTMTNFTMLLYGYFRPKVTGFHTFTISADDLLFVNFGAGNAFDCCRRDSSADHFGNYQAYAIWGSKTAKDELTVHLDAGVYYPIRLFYNNREYDGALSFTFKTESNENTVSDFSEYFFSLDDTEEGCPGLIS 267
                                    48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258         

Chain A from PDB  Type:PROTEIN  Length:229
 aligned with Q6VBJ0_CANGB | Q6VBJ0 from UniProtKB/TrEMBL  Length:1034

    Alignment length:229
                                    48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258         
         Q6VBJ0_CANGB    39 ASKDPTTFPLGCSPDITTPKKGLSMELYSYDFRKKGSYPCWDAAYLDPNYPRTGYKSHRLLAKVDGVTGNINFYYHATKGCTPQLGHLPASYNYPKPLTMTNFTMLLYGYFRPKVTGFHTFTISADDLLFVNFGAGNAFDCCRRDSSADHFGNYQAYAIWGSKTAKDELTVHLDAGVYYPIRLFYNNREYDGALSFTFKTESNENTVSDFSEYFFSLDDTEEGCPGLIS 267
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...................ee.eeeeeee.............hhhhh.....hhhhhh.eeeeeeee.....eee.........ee..hhhhh....ee...eeeeeeeee.....eeeeeeeeee.eeeeee.........hhhhhh.......eeee......eeeeeeee.....eeeeeeeee....eeeeeeeee.............eee............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4asl A  39 ASKDPTTFPLGCSPDITTPKKGLSMELYSYDFRKKGSYPCWDAAYLDPNYPRTGYKSHRLLAKVDGVTGNINFYYHATKGCTPQLGHLPASYNYPKPLTMTNFTMLLYGYFRPKVTGFHTFTISADDLLFVNFGAGNAFDCCRRDSSADHFGNYQAYAIWGSKTAKDELTVHLDAGVYYPIRLFYNNREYDGALSFTFKTESNENTVSDFSEYFFSLDDTEEGCPGLIS 267
                                    48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258         

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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 4ASL)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (6, 7)

Asymmetric Unit(hide GO term definitions)
Chain A   (Q6VBJ0_CANGB | Q6VBJ0)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

Chain A   (Q6FUW5_CANGA | Q6FUW5)
molecular function
    GO:0030246    carbohydrate binding    Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
    GO:0050839    cell adhesion molecule binding    Interacting selectively and non-covalently with a cell adhesion molecule.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0044406    adhesion of symbiont to host    The attachment of a symbiont to its host via adhesion molecules, general stickiness etc., either directly or indirectly. The host is defined as the larger of the organisms involved in a symbiotic interaction.
cellular component
    GO:0009986    cell surface    The external part of the cell wall and/or plasma membrane.
    GO:0009277    fungal-type cell wall    A rigid yet dynamic structure surrounding the plasma membrane that affords protection from stresses and contributes to cell morphogenesis, consisting of extensively cross-linked glycoproteins and carbohydrates. The glycoproteins may be modified with N- or O-linked carbohydrates, or glycosylphosphatidylinositol (GPI) anchors; the polysaccharides are primarily branched glucans, including beta-linked and alpha-linked glucans, and may also include chitin and other carbohydrate polymers, but not cellulose or pectin. Enzymes involved in cell wall biosynthesis are also found in the cell wall. Note that some forms of fungi develop a capsule outside of the cell wall under certain circumstances; this is considered a separate structure.

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 Related Entries

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

UniProtKB/TrEMBL
        Q6FUW5_CANGA | Q6FUW54d3w
        Q6VBJ0_CANGB | Q6VBJ04a3x 4af9 4afa 4afb 4afc

(-) Related Entries Specified in the PDB File

4a3x STRUCTURE OF THE N-TERMINAL DOMAIN OF THE EPA1 ADHESIN (EPA1-NP) FROM THE PATHOGENIC YEAST CANDIDA GLABRATA, IN COMPLEX WITH CALCIUM AND LACTOSE
4af9 CRYSTAL STRUCTURE OF EPITHELIAL ADHESIN 1 A DOMAIN ( EPA1A) FROM CANDIDA GLABRATA IN COMPLEX WITH GALB1- 3GLC
4afa CRYSTAL STRUCTURE OF SUBTYPE-SWITCHED EPITHELIAL ADHESIN 1 TO 2 A DOMAIN (EPA1TO2A) FROM CANDIDA GLABRATA IN COMPLEX WITH GLYCEROL
4afb CRYSTAL STRUCTURE OF SUBTYPE-SWITCHED EPITHELIAL ADHESIN 1 TO 3 A DOMAIN (EPA1TO3A) FROM CANDIDA GLABRATA IN COMPLEX WITH GLYCEROL
4afc CRYSTAL STRUCTURE OF SUBTYPE-SWITCHED EPITHELIAL ADHESIN 1 TO 6 A DOMAIN (EPA1TO6A) FROM CANDIDA GLABRATA IN COMPLEX WITH GALB1-3GLC