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(-) Description

Title :  CRYSTAL STRUCTURE OF HUMAN ODORANT BINDING PROTEIN OBPIIA
 
Authors :  A. Schiefner, A. Skerra
Date :  21 Nov 14  (Deposition) - 08 Apr 15  (Release) - 10 Jun 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  A,B  (1x)
Keywords :  Human Lipocalin, Lipid Binding Protein, Odorant Binding Protein, Vanillin, Lilial, Fatty Acids, Aliphatic Aldehydes, Nasal Mucus, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Schiefner, R. Freier, A. Eichinger, A. Skerra
Crystal Structure Of The Human Odorant Binding Protein, Obpiia.
Proteins V. 83 1180 2015
PubMed-ID: 25810031  |  Reference-DOI: 10.1002/PROT.24797

(-) Compounds

Molecule 1 - ODORANT-BINDING PROTEIN 2A
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PASK75-HIS
    Expression System Strain: JM83
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: OBP2A
    Mutation: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: ODORANT-BINDING PROTEIN IIA, OBPIIA

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B
Biological Unit 3 (1x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1FLC1Ligand/IonCITRATE ANION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1FLC1Ligand/IonCITRATE ANION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1FLC-1Ligand/IonCITRATE ANION
Biological Unit 3 (1, 1)
No.NameCountTypeFull Name
1FLC1Ligand/IonCITRATE ANION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:29 , ARG A:55 , LYS A:62 , TYR A:78 , LYS A:82 , ARG A:103 , ARG A:108 , MET A:110 , HOH A:307 , ASP B:9BINDING SITE FOR RESIDUE FLC A 201

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:59 -A:151
2B:59 -B:151

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Phe B:25 -Pro B:26

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4RUN)

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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  UniProt sequence: complete  aligned part    
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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:147
                                                                                                                                                                                   
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeeeeeeee....hhhhh..ee..eeeee.....eeeeeeeee..eeeeeeeee.......eeee....eeeeeee......eeeeeeeee..eeeeeeeeee....eehhhhhhhhhhhhhh..hhh.ee..ee....... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4run A   8 EDITGTWYVKAMVVDKDFPEDRRPRKVSPVKVTALGGGNLEATFTFMREDRCIQKKILMRKTEEPGKFSAYGGRKLIYLQELPGTDDYVFYSKDQRRGGLRYMGNLVGRNPNTNLEALEEFKKLVQHKGLSEEDIFMPLQTGSCVLE 154
                                    17        27        37        47        57        67        77        87        97       107       117       127       137       147       


Chain B from PDB  Type:PROTEIN  Length:152
                                                                                                                                                                                        
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhheeeeeeeee............ee..eeeee.....eeeeeeeee..eeeeeeeee.......eeee....eeeeeee......eeeeeee......eeeeeeee.....hhhhhhhhhhhhhhh......eee.ee...... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4run B   2 SFTLEEEDITGTWYVKAMVVDKDFPEDRRPRKVSPVKVTALGGGNLEATFTFMREDRCIQKKILMRKTEEPGKFSAYGGRKLIYLQELPGTDDYVFYSKDQRRGGLRYMGNLVGRNPNTNLEALEEFKKLVQHKGLSEEDIFMPLQTGSCVL 153
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151
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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  (0, 0)

(no "SCOP Domain" information available for 4RUN)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4RUN)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4RUN)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)

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  OBP2A_HUMAN | Q9NY56
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