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(-) Description

Title :  CRYSTAL STRUCTURE OF AN ODORANT-BINDING PROTEIN FROM THE SOUTHERN HOUSE MOSQUITO COMPLEXED WITH AN OVIPOSITION PHEROMONE
 
Authors :  Y. Mao, J. Clardy
Date :  17 Aug 10  (Deposition) - 03 Nov 10  (Release) - 15 Dec 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.30
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Helix Bundle, Odorant-Binding Protein, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Y. Mao, X. Xu, W. Xu, Y. Ishida, W. S. Leal, J. B. Ames, J. Clardy
Crystal And Solution Structures Of An Odorant-Binding Protein From The Southern House Mosquito Complexed With An Oviposition Pheromone.
Proc. Natl. Acad. Sci. Usa V. 107 19102 2010
PubMed-ID: 20956299  |  Reference-DOI: 10.1073/PNAS.1012274107

(-) Compounds

Molecule 1 - ODORANT-BINDING PROTEIN
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneCPIPJ_CPIJ007604
    Organism CommonSOUTHERN HOUSE MOSQUITO
    Organism ScientificCULEX QUINQUEFASCIATUS
    Organism Taxid7176
    SynonymMOSQUITO ODORANT BINDING PROTEIN

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (1x)A 
Biological Unit 2 (1x) B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 6)

Asymmetric Unit (2, 6)
No.NameCountTypeFull Name
13OG2Ligand/Ion(1S)-1-[(2R)-6-OXOTETRAHYDRO-2H-PYRAN-2-YL]UNDECYLACETATE
2MG4Ligand/IonMAGNESIUM ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
13OG1Ligand/Ion(1S)-1-[(2R)-6-OXOTETRAHYDRO-2H-PYRAN-2-YL]UNDECYLACETATE
2MG-1Ligand/IonMAGNESIUM ION
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
13OG1Ligand/Ion(1S)-1-[(2R)-6-OXOTETRAHYDRO-2H-PYRAN-2-YL]UNDECYLACETATE
2MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:10 , LEU A:15 , LEU A:80 , MET A:84 , ALA A:88 , MET A:91 , HIS A:111 , TRP A:114 , HIS A:121 , PHE A:123 , 3OG B:1BINDING SITE FOR RESIDUE 3OG A 1
2AC2SOFTWAREHIS A:23 , HOH A:146 , HOH A:191 , HOH A:326 , HOH A:363 , HOH A:364BINDING SITE FOR RESIDUE MG A 126
3AC3SOFTWAREHOH A:219 , HOH A:334 , HOH A:355 , HOH A:378 , HOH A:379 , HOH A:397BINDING SITE FOR RESIDUE MG A 127
4AC4SOFTWAREHOH A:143 , HOH A:193 , HOH A:242 , HOH A:311 , HOH A:402BINDING SITE FOR RESIDUE MG A 128
5AC5SOFTWARE3OG A:1 , TYR B:10 , LEU B:15 , LEU B:80 , MET B:84 , ALA B:88 , MET B:91 , HIS B:111 , TRP B:114 , HIS B:121 , PHE B:123BINDING SITE FOR RESIDUE 3OG B 1
6AC6SOFTWAREHIS B:23 , HOH B:174 , HOH B:281 , HOH B:328 , HOH B:360 , HOH B:370BINDING SITE FOR RESIDUE MG B 126

(-) SS Bonds  (6, 6)

Asymmetric Unit
No.Residues
1A:26 -A:57
2A:53 -A:104
3A:95 -A:113
4B:26 -B:57
5B:53 -B:104
6B:95 -B:113

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Tyr A:10 -Pro A:11
2Tyr B:10 -Pro B:11

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3OGN)

(-) 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:124
 aligned with Q8T6I2_CULQU | Q8T6I2 from UniProtKB/TrEMBL  Length:149

    Alignment length:124
                                    35        45        55        65        75        85        95       105       115       125       135       145    
         Q8T6I2_CULQU    26 VTPRRDAEYPPPELLEALKPLHDICAKKTGVTDEAIIEFSDGKIHEDEKLKCYMNCLFHEAKVVDDNGDVHLEKLHDSLPNSMHDIAMHMGKRCLYPEGENLCEKAFWLHKCWKQADPKHYFLV 149
               SCOP domains d3ogna_ A: automated matches                                                                                                 SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..........hhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhh....hhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ogn A   2 VTPRRDAEYPPPELLEALKPLHDICAKKTGVTDEAIIEFSDGKIHEDEKLKCYMNCLFHEAKVVDDNGDVHLEKLHDSLPNSMHDIAMHMGKRCLYPEGENLCEKAFWLHKCWKQADPKHYFLV 125
                                    11        21        31        41        51        61        71        81        91       101       111       121    

Chain B from PDB  Type:PROTEIN  Length:124
 aligned with Q8T6I2_CULQU | Q8T6I2 from UniProtKB/TrEMBL  Length:149

    Alignment length:124
                                    35        45        55        65        75        85        95       105       115       125       135       145    
         Q8T6I2_CULQU    26 VTPRRDAEYPPPELLEALKPLHDICAKKTGVTDEAIIEFSDGKIHEDEKLKCYMNCLFHEAKVVDDNGDVHLEKLHDSLPNSMHDIAMHMGKRCLYPEGENLCEKAFWLHKCWKQADPKHYFLV 149
               SCOP domains d3ognb_ B: automated matches                                                                                                 SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) PBP_GOBP-3ognB01 B:2-119                                                                                              ------ Pfam domains (1)
           Pfam domains (2) PBP_GOBP-3ognB02 B:2-119                                                                                              ------ Pfam domains (2)
         Sec.struct. author ..........hhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhh....hhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ogn B   2 VTPRRDAEYPPPELLEALKPLHDICAKKTGVTDEAIIEFSDGKIHEDEKLKCYMNCLFHEAKVVDDNGDVHLEKLHDSLPNSMHDIAMHMGKRCLYPEGENLCEKAFWLHKCWKQADPKHYFLV 125
                                    11        21        31        41        51        61        71        81        91       101       111       121    

   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)

Asymmetric Unit

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit

(-) Gene Ontology  (1, 1)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q8T6I2_CULQU | Q8T6I2)
molecular function
    GO:0005549    odorant binding    Interacting selectively and non-covalently with an odorant, any substance capable of stimulating the sense of smell.

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        Q8T6I2_CULQU | Q8T6I22l2c

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