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(-) Description

Title :  CRYSTAL STRUCTURE OF A PERIPLASMIC HEME BINDING PROTEIN FROM PSEUDOMONAS AERUGINOSA
 
Authors :  W. W. Ho, H. Li, T. L. Poulos
Date :  07 Sep 07  (Deposition) - 09 Oct 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.40
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (6x)
Keywords :  Periplasmic Binding Protein, Heme Transport, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  W. W. Ho, H. Li, S. Eakanunkul, Y. Tong, A. Wilks, M. Guo, T. L. Poulos
Holo- And Apo-Bound Structures Of Bacterial Periplasmic Heme-Binding Proteins.
J. Biol. Chem. V. 282 35796 2007
PubMed-ID: 17925389  |  Reference-DOI: 10.1074/JBC.M706761200

(-) Compounds

Molecule 1 - PERIPLASMIC BINDING PROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PET 101/D-TOPO
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 287
    Strain: PA01 FROM ATCC

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (6x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 5)

Asymmetric Unit (3, 5)
No.NameCountTypeFull Name
1GOL2Ligand/IonGLYCEROL
2HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
3SO42Ligand/IonSULFATE ION
Biological Unit 1 (3, 30)
No.NameCountTypeFull Name
1GOL12Ligand/IonGLYCEROL
2HEM6Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
3SO412Ligand/IonSULFATE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:204 , GLU A:205 , LYS A:208 , HOH A:940BINDING SITE FOR RESIDUE SO4 A 900
2AC2SOFTWAREASP A:118 , LEU A:119 , TRP A:191 , ARG A:195 , HOH A:971BINDING SITE FOR RESIDUE SO4 A 910
3AC3SOFTWARESER A:68 , TYR A:71 , ARG A:73 , GLN A:74 , GLU A:78 , GLY A:79 , TYR A:207 , ARG A:228 , HOH A:946BINDING SITE FOR RESIDUE HEM A 500
4AC4SOFTWAREHIS A:59 , PRO A:60 , GLN A:61 , HOH A:1036BINDING SITE FOR RESIDUE GOL A 880
5AC5SOFTWAREARG A:250 , ARG A:253BINDING SITE FOR RESIDUE GOL A 890

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2R79)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1His A:59 -Pro A:60
2Gly A:95 -Pro A:96

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2R79)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2R79)

(-) Exons   (0, 0)

(no "Exon" information available for 2R79)

(-) 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:279
 aligned with O68879_PSEAI | O68879 from UniProtKB/TrEMBL  Length:297

    Alignment length:279
                                                                                                                                                                                                                                                                                                              297  
                                                                                                                                                                                                                                                                                                     293   294  |  
                                    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       285       | -   |  |  
         O68879_PSEAI    26 LPQRWVSAGGSLSEWVVALGGESKLVGVDTTSQHPQALKQLPSVGYQRQLAAEGVLALRPDILIGTEEMGPPPVLKQLEGAGVRVETLSAKPDLEALESNLKKLGDWLGVPQRAEAAELDYRQRLRRQADWIAAAQKSQPAPGVLLVIGNAGGQLLVAGRNTGGDWVLNRAGARNLATHEGYKPISVEALAALDPVAVVIADRSLEGDAARAALLKQNPGLAPTRAARDGRLLVLDPTLLVGGLGPRLPDGLAALSAAFYPSAKPLST-----EAAH--   -
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eee.hhhhhhhhhhh.hhh.eeee......hhhhhhh....hhhhhhhhhhhh....eeee.....hhhhhhhhhhh...eee.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......eeeeeeee..eeeeee...hhhhhhhhhh..ee......ee..hhhhhhhhh..eeeeee...hhhhhhhhhhhhhhhhh.hhhhhh..eeee.hhhhh.....hhhhhhhhhhhhhh..........ee....... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2r79 A  26 LPQRWVSAGGSLSEWVVALGGESKLVGVDTTSQHPQALKQLPSVGYQRQLAAEGVLALRPDILIGTEEMGPPPVLKQLEGAGVRVETLSAKPDLEALESNLKKLGDWLGVPQRAEAAELDYRQRLRRQADWIAAAQKSQPAPGVLLVIGNAGGQLLVAGRNTGGDWVLNRAGARNLATHEGYKPISVEALAALDPVAVVIADRSLEGDAARAALLKQNPGLAPTRAARDGRLLVLDPTLLVGGLGPRLPDGLAALSAAFYPSAKPLSTPLLGDDSTRTG 308
                                    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       285       299         
                                                                                                                                                                                                                                                                                                     293|          
                                                                                                                                                                                                                                                                                                      298
   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  (0, 0)

(no "SCOP Domain" information available for 2R79)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2R79)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2R79)

(-) Gene Ontology  (1, 1)

Asymmetric Unit(hide GO term definitions)
Chain A   (O68879_PSEAI | O68879)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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  2r79
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