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(-) Description

Title :  A MOLECULAR SWITCH CHANGES THE LOW TO THE HIGH AFFINITY STATE IN THE SUBSTRATE BINDING PROTEIN AFPROX
 
Authors :  B. Tschapek, M. Pittelkow, E. Bremer, L. Schmitt, S. H. Smits
Date :  24 Mar 10  (Deposition) - 06 Apr 11  (Release) - 10 Aug 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A
Keywords :  Glycine Betaine, Binding Protein, Osmosensing, Osmose, Thermophilic, Archaeon, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  B. Tschapek, M. Pittelkow, L. Sohn-Bosser, G. Holtmann, S. H. Smits, H. Gohlke, E. Bremer, L. Schmitt
Arg149 Is Involved In Switching The Low Affinity, Open Stat Of The Binding Protein Afprox Into Its High Affinity, Close State.
J. Mol. Biol. V. 411 36 2011
PubMed-ID: 21664363  |  Reference-DOI: 10.1016/J.JMB.2011.05.039

(-) Compounds

Molecule 1 - OSMOPROTECTION PROTEIN (PROX)
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: DE(3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: AF_0982
    Mutation: YES
    Organism Scientific: ARCHAEOGLOBUS FULGIDUS
    Organism Taxid: 2234

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 9)

Asymmetric/Biological Unit (3, 9)
No.NameCountTypeFull Name
1BET1Ligand/IonTRIMETHYL GLYCINE
2EDO7Ligand/Ion1,2-ETHANEDIOL
3EPE1Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHOH A:2 , TYR A:63 , THR A:66 , ASP A:109 , TYR A:190 , TYR A:214 , EPE A:278 , HOH A:319 , HOH A:388BINDING SITE FOR RESIDUE BET A 1
2AC2SOFTWARELEU A:46 , GLN A:271 , EDO A:277 , HOH A:289 , HOH A:313 , HOH A:328BINDING SITE FOR RESIDUE EDO A 276
3AC3SOFTWAREPHE A:267 , GLU A:270 , GLN A:271 , EDO A:276 , HOH A:448BINDING SITE FOR RESIDUE EDO A 277
4AC4SOFTWAREBET A:1 , HOH A:2 , PHE A:15 , ASN A:16 , ASP A:109 , TYR A:190 , THR A:192 , ASN A:250 , HOH A:366 , HOH A:499 , HOH A:506BINDING SITE FOR RESIDUE EPE A 278
5AC5SOFTWARETYR A:176 , ALA A:189 , TYR A:190 , ASP A:193 , ARG A:195 , HOH A:376BINDING SITE FOR RESIDUE EDO A 280
6AC6SOFTWARELEU A:72 , HOH A:417BINDING SITE FOR RESIDUE EDO A 281
7AC7SOFTWAREGLU A:31 , ARG A:54 , HOH A:401 , HOH A:440BINDING SITE FOR RESIDUE EDO A 282
8AC8SOFTWARELYS A:90 , LEU A:94 , VAL A:101 , HOH A:318 , HOH A:528BINDING SITE FOR RESIDUE EDO A 283

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3MAM)

(-) 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:270
 aligned with O29280_ARCFU | O29280 from UniProtKB/TrEMBL  Length:292

    Alignment length:270
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292
         O29280_ARCFU    23 ERVVIGSKPFNEQYILANMIAILLEENGYKAEVKEGLGGTLVNYEALKRNDIQLYVEYTGTAYNVILRKQPPELWDQQYIFDEVKKGLLEADGVVVAAKLGFRDDYALAVRADWAEENGVEKISDLAEFADQLVFGSDPEFASRPDGLPQIKKVYGFEFKEVKQMEPTLMYEAIKNKQVDVIPAYTTDSRVDLFNLKILEDDKGALPPYDAIIIVNGNTAKDEKLISVLKLLEDRIDTDTMRALNYQYDVEKKDAREIAMSFLKEQGLVK 292
               SCOP domains d3mama_ A: Osmoprotection protein ProX                                                                                                                                                                                                                                         SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains OpuAC-3mamA01 A:6-270                                                                                                                                                                                                                                                    ----- Pfam domains
         Sec.struct. author .eeee....hhhhhhhhhhhhhhhhhh..eeee.....hhhhhhhhhhh....eeeeehhhhhhh..........hhhhhhhhhhhhhhhhhh.eeeeeeeee..eeeeeehhhhhhhh..hhhhhh.hhhh.eeeehhhhhh...hhhhhhhhhh....eeee.hhhhhhhhhhh....eeeee...hhhhhh.eee...........eeeeeehhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhh...hhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3mam A   6 ERVVIGSKPFNEQYILANMIAILLEENGYKAEVKEGLGGTLVNYEALKRNDIQLYVEYTGTAYNVILRKQPPELWDQQYIFDEVKKGLLEADGVVVAAKLGFRDDAALAVRADWAEENGVEKISDLAEFADQLVFGSDPEFASRPDGLPQIKKVYGFEFKEVKQMEPTLMYEAIKNKQVDVIPAYTTDSRVDLFNLKILEDDKGALPPYDAIIIVNGNTAKDEKLISVLKLLEDRIDTDTMRALNYQYDVEKKDAREIAMSFLKEQGLVK 275
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: PBP (391)

(-) Gene Ontology  (3, 3)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (O29280_ARCFU | O29280)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0005215    transporter activity    Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells.
biological process
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.

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 Related Entries

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

UniProtKB/TrEMBL
        O29280_ARCFU | O29280: 1sw1 1sw2 1sw4 1sw5

(-) Related Entries Specified in the PDB File

1sw2 1sw5