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(-) Description

Title :  ENSEMBLE OF 40 STRUCTURES OF THE DIMERIC MUTANT OF THE B1 DOMAIN OF STREPTOCOCCAL PROTEIN G
 
Authors :  I. J. Byeon, J. M. Louis, A. M. Gronenborn
Date :  18 Jul 03  (Deposition) - 14 Oct 03  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (40x)
Keywords :  Gb1, Core Mutants, Nmr Structure, Domain-Swapping, Oligomerization, Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  I. J. Byeon, J. M. Louis, A. M. Gronenborn
A Protein Contortionist: Core Mutations Of Gb1 That Induce Dimerization And Domain Swapping
J. Mol. Biol. V. 333 141 2003
PubMed-ID: 14516749  |  Reference-DOI: 10.1016/S0022-2836(03)00928-8
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - IMMUNOGLOBULIN G BINDING PROTEIN G
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET11A
    Expression System Strain: HMS174(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: B1 DOMAIN
    Gene: SPG
    Mutation: YES
    Organism Scientific: STREPTOCOCCUS SP. 'GROUP G'
    Organism Taxid: 1320
    Synonym: IGG BINDING PROTEIN G

 Structural Features

(-) Chains, Units

  
NMR Structure (40x): 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1Q10)

(-) Sites  (0, 0)

(no "Site" information available for 1Q10)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1Q10)

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1Q10)

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 1Q10)

(-) Sequences/Alignments

NMR Structure
   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:56
 aligned with SPG1_STRSG | P06654 from UniProtKB/Swiss-Prot  Length:448

    Alignment length:56
                                   236       246       256       266       276      
           SPG1_STRSG   227 DTYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE 282
               SCOP domains d1q10a_ A:                                               SCOP domains
               CATH domains 1q10A00 A:1-56  [code=3.10.20.10, no name defined]       CATH domains
               Pfam domains -------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee...eeeeeeee..hhhhhhhhhhhhhhhhh...eeeeehhh.eeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------- Transcript
                 1q10 A   1 MQYKVILNGKTLKGETTTEAVDAATAEKVVKQFFNDNGVDGEWTYDDATKTFTVTE  56
                                    10        20        30        40        50      


Chain B from PDB  Type:PROTEIN  Length:56
 aligned with SPG1_STRSG | P06654 from UniProtKB/Swiss-Prot  Length:448

    Alignment length:56
                                   236       246       256       266       276      
           SPG1_STRSG   227 DTYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE 282
               SCOP domains d1q10b_ B:                                               SCOP domains
               CATH domains 1q10B00 B:1-56  [code=3.10.20.10, no name defined]       CATH domains
           Pfam domains (1) --IgG_binding_B-1q10B01 B:3-56                           Pfam domains (1)
           Pfam domains (2) --IgG_binding_B-1q10B02 B:3-56                           Pfam domains (2)
         Sec.struct. author .eeeeeee...eeeeeeee..hhhhhhhhhhhhhhhhh...eeeeehhh.eeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------- Transcript
                 1q10 B   1 MQYKVILNGKTLKGETTTEAVDAATAEKVVKQFFNDNGVDGEWTYDDATKTFTVTE  56
                                    10        20        30        40        50
   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  (1, 2)

NMR Structure
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 2)

NMR Structure
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: no clan defined [family: IgG_binding_B] (24)

(-) Gene Ontology  (5, 5)

NMR Structure(hide GO term definitions)
Chain A,B   (SPG1_STRSG | P06654)
molecular function
    GO:0019864    IgG binding    Interacting selectively and non-covalently with an immunoglobulin of an IgG isotype.
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
cellular component
    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.
    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
        SPG1_STRSG | P06654: 1em7 1gb1 1igc 1igd 1le3 1mpe 1mvk 1pga 1pgb 1pgx 1pn5 2cwb 2den 2gb1 2igd 2igh 2j52 2j53 2ju6 2k0p 2kbt 2klk 2lgi 2mbb 2n7j 2nmq 2plp 2rmm 2rpv 3gb1 3mp9 4kgr 4kgs 4kgt

(-) Related Entries Specified in the PDB File

1gb1 THE MONOMERIC WILDTYPE PROTEIN
1mpe THE TETRAMERIC MUTANT PROTEIN