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(-) Description

Title :  GBETA1 STABILIZATION BY IN VITRO EVOLUTION AND COMPUTATIONAL DESIGN
 
Authors :  K. E. A. Max, U. Heinemann
Date :  24 Jan 07  (Deposition) - 08 Jan 08  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A
Keywords :  Beta Sheet, Alpha Helix, Improved Hydrophobic Packing Of Core Residues, Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Wunderlich, K. E. Max, Y. Roske, U. Mueller, U. Heinemann, F. X. Schmid
Optimization Of The Gbeta1 Domain By Computational Design And By In Vitro Evolution: Structural And Energetic Basis O Stabilization.
J. Mol. Biol. V. 373 775 2007
PubMed-ID: 17868696  |  Reference-DOI: 10.1016/J.JMB.2007.08.004

(-) Compounds

Molecule 1 - IMMUNOGLOBULIN G-BINDING PROTEIN G
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET11A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: RESIDUES 373-427
    Gene: SPG
    Mutation: YES
    Organism Scientific: STREPTOCOCCUS SP.
    Organism Taxid: 1324
    Strain: G148
    Synonym: IGG-BINDING PROTEIN G

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 2ONQ)

(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

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(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
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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 SPG2_STRSG | P19909 from UniProtKB/Swiss-Prot  Length:593

    Alignment length:56
                                   381       391       401       411       421      
           SPG2_STRSG   372 TTYKLVINGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE 427
               SCOP domains d2onqa_ A:                                               SCOP domains
               CATH domains 2onqA00 A:1-56  [code=3.10.20.10, no name defined]       CATH domains
               Pfam domains -------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee....eeeeeee..hhhhhhhhhhhhhhhh....eeeee....eeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------- Transcript
                 2onq A   1 MQFKLIINGKTLKGEITIEAVDAAEAEKFFKQYANDNGIDGEWTYDDATKTFTVTE  56
                                    10        20        30        40        50
   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  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2ONQ)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (SPG2_STRSG | P19909)
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
        SPG2_STRSG | P19909: 1fcc 1fcl 1fd6 1gb4 1gjs 1gjt 1ibx 1p7e 1p7f 1qkz 1uwx 1zxh 2gi9 2i2y 2i38 2igg 2jsv 2ju6 2khu 2khw 2kn4 2kq4 2kwd 2lum 2n9k 2n9l 2oed 2on8 2plp 2qmt 3fil 3ui3 3v3x 4oza 4ozb 4ozc 4wh4 5bmg 5bmh 5bmi 5hfy 5hg2 5hi1

(-) Related Entries Specified in the PDB File

1fcc CRYSTAL STRUCTURE OF THE C2 FRAGMENT OF STREPTOCOCCAL PROTEIN G IN COMPLEX WITH THE FC DOMAIN OF HUMAN IGG
1gb4 HYPERTHERMOPHILIC VARIANT OF THE B1 DOMAIN FROM STREPTOCOCCAL PROTEIN G, NMR, 47 STRUCTURES
1p7e GB3 SOLUTION STRUCTURE OBTAINED BY REFINEMENT OF X-RAY STRUCTURE WITH DIPOLAR COUPLINGS
1pga TWO CRYSTAL STRUCTURES OF THE B1 IMMUNOGLOBULIN-BINDING DOMAIN OF STREPTOCOCCAL PROTEIN G AND COMPARISON WITH NMR
2on8 GBETA1 STABILIZATION BY IN VITRO EVOLUTION AND COMPUTATIONAL DESIGN
3gb1 STRUCTURES OF B1 DOMAIN OF STREPTOCOCCAL PROTEIN G