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(-) Description

Title :  CRYSTAL STRUCTURE OF COH-OLPA(CTHE_3080)-DOC918(CTHE_0918) COMPLEX: A NOVEL TYPE I COHESIN-DOCKERIN COMPLEX FROM CLOSTRIDIUM THERMOCELLUM ATTC 27405
 
Authors :  V. D. Alves, A. L. Carvalho, S. H. Najmudin, J. Bras, J. A. M. Prates, C. M. G. A. Fontes
Date :  10 Nov 11  (Deposition) - 28 Nov 12  (Release) - 30 Jan 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.95
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Cellulosome, Cohesin, Dockerin, Type I Cohesin-Dockerin Complex, Protein-Protein Interaction, Clostridium Thermocellum, Cell Adhesion, Cell Adhesion-Protein Binding Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. L. Bras, V. D. Alves, A. L. Carvalho, S. Najmudin, J. A. Prates, L. M. Ferreira, D. N. Bolam, M. J. Romao, H. J. Gilbert, C. M. Fontes
Novel Clostridium Thermocellum Type I Cohesin-Dockerin Complexes Reveal A Single Binding Mode.
J. Biol. Chem. V. 287 44394 2012
PubMed-ID: 23118225  |  Reference-DOI: 10.1074/JBC.M112.407700

(-) Compounds

Molecule 1 - CELLULOSOME-ANCHORING PROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21A
    Expression System Strain: TUNER CELLS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 30-175
    Gene: ANCA, CTHE_3080
    Organism Scientific: CLOSTRIDIUM THERMOCELLUM
    Organism Taxid: 203119
    Strain: ATCC 27405
 
Molecule 2 - CELLULOSOME ENZYME, DOCKERIN TYPE I
    Chains: B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21A
    Expression System Strain: TUNER CELLS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 1146-1209
    Gene: CTHE_0918
    Organism Scientific: CLOSTRIDIUM THERMOCELLUM
    Organism Taxid: 203119
    Strain: ATCC 27405

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 10)

Asymmetric/Biological Unit (3, 10)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION
2PEG4Ligand/IonDI(HYDROXYETHYL)ETHER
3SO44Ligand/IonSULFATE ION

(-) Sites  (10, 10)

Asymmetric Unit (10, 10)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREVAL A:73 , VAL A:74 , GLU A:75 , LYS A:76 , HOH A:234BINDING SITE FOR RESIDUE SO4 A 158
02AC2SOFTWAREVAL A:62 , GLU A:63 , ASN A:64 , PRO A:65 , HOH A:161 , HOH A:162 , HOH A:222BINDING SITE FOR RESIDUE SO4 A 159
03AC3SOFTWAREGLU A:122 , SER A:123 , TYR B:25 , ARG B:28 , VAL B:47 , PEG B:71 , HOH B:92BINDING SITE FOR RESIDUE PEG A 160
04AC4SOFTWAREASP B:40 , ASN B:42 , ASP B:44 , LYS B:46 , ASP B:51 , HOH B:73BINDING SITE FOR RESIDUE CA B 66
05AC5SOFTWAREASP B:7 , ASN B:9 , ASN B:11 , ILE B:13 , ASP B:18 , HOH B:74BINDING SITE FOR RESIDUE CA B 67
06AC6SOFTWAREASN B:9 , ASN B:11 , ASN B:15 , GLU B:17 , ASN B:24 , HOH B:74BINDING SITE FOR RESIDUE SO4 B 68
07AC7SOFTWARELYS B:46BINDING SITE FOR RESIDUE SO4 B 69
08AC8SOFTWAREGLU A:87 , ASP B:16 , TYR B:19 , LYS B:56BINDING SITE FOR RESIDUE PEG B 70
09AC9SOFTWAREASP A:77 , ILE A:79 , PEG A:160 , TYR B:25 , ARG B:28 , PEG B:72BINDING SITE FOR RESIDUE PEG B 71
10BC1SOFTWAREARG B:28 , PEG B:71BINDING SITE FOR RESIDUE PEG B 72

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3UL4)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3UL4)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3UL4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3UL4)

(-) Exons   (0, 0)

(no "Exon" information available for 3UL4)

(-) 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:142
 aligned with ANCA_CLOTH | Q06848 from UniProtKB/Swiss-Prot  Length:447

    Alignment length:142
                                    41        51        61        71        81        91       101       111       121       131       141       151       161       171  
           ANCA_CLOTH    32 NTIEIIIGNVKARPGDRIEVPVSLKNVPDKGIVSSDFVIEYDSKLFKVIELKAGDIVENPSESFSYNVVEKDEIIAVLYLEETGLGIEAIRTDGVFFTIVMEVSKDVKPGISPIKFESFGATADNDMNEMTPKLVEGKVEII 173
               SCOP domains d3ul4a_ A: automated matches                                                                                                                   SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee.eeee....eeeeeeeee......eeeeeeeee.....eeeeeeee.....hhhhheeeeeehhh.eeeeeee.............eeeeeeeeee......eeeeeeeeeeeeeee........eee.eeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ul4 A   6 NTIEIIIGNVKARPGDRIEVPVSLKNVPDKGIVSSDFVIEYDSKLFKVIELKAGDIVENPSESFSYNVVEKDEIIAVLYLEETGLGIEAIRTDGVFFTIVMEVSKDVKPGISPIKFESFGATADNDMNEMTPKLVEGKVEII 147
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145  


Chain B from PDB  Type:PROTEIN  Length:63
 aligned with L7MTK2_CLOTH | L7MTK2 from UniProtKB/TrEMBL  Length:65

    Alignment length:63
                                    12        22        32        42        52        62   
         L7MTK2_CLOTH     3 VLNGDLNRNGIVNDEDYILLKNYLLRGNKLVIDLNVADVNKDGKVNSTDCLFLKKYILGLITI  65
               SCOP domains d3ul4b_ B: automated matches                                    SCOP domains
               CATH domains --------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------- Pfam domains
         Sec.struct. author ............hhhhhhhhhhhhh.......hhhhh........hhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------- Transcript
                 3ul4 B   3 VLNGDLNRNGIVNDEDYILLKNYLLRGNKLVIDLNVADVNKDGKVNSTDCLFLKKYILGLITI  65
                                    12        22        32        42        52        62
   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  (2, 2)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3UL4)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3UL4)

(-) Gene Ontology  (9, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (ANCA_CLOTH | Q06848)
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.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0030245    cellulose catabolic process    The chemical reactions and pathways resulting in the breakdown of cellulose, a linear beta1-4 glucan of molecular mass 50-400 kDa with the pyranose units in the -4C1 conformation.
    GO:0000272    polysaccharide catabolic process    The chemical reactions and pathways resulting in the breakdown of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically.
cellular component
    GO:0030115    S-layer    A crystalline protein layer surrounding some bacteria.
    GO:0005618    cell wall    The rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal, most prokaryotic cells and some protozoan parasites, maintaining their shape and protecting them from osmotic lysis. In plants it is made of cellulose and, often, lignin; in fungi it is composed largely of polysaccharides; in bacteria it is composed of peptidoglycan; in protozoan parasites such as Giardia species, it's made of carbohydrates and proteins.
    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.

Chain B   (L7MTK2_CLOTH | L7MTK2)
molecular function
    GO:0004553    hydrolase activity, hydrolyzing O-glycosyl compounds    Catalysis of the hydrolysis of any O-glycosyl bond.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0000272    polysaccharide catabolic process    The chemical reactions and pathways resulting in the breakdown of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically.

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