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(-) Description

Title :  STRUCTURE OF (+)-ABA BOUND PYL2
 
Authors :  P. Yin, H. Fan, Q. Hao, X. Yuan, N. Yan
Date :  22 Oct 09  (Deposition) - 10 Nov 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.38
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Aba, Pyl2, Hormone Receptor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Yin, H. Fan, Q. Hao, X. Yuan, D. Wu, Y. Pang, C. Yan, W. Li, J. Wang, N. Ya
Structural Insights Into The Mechanism Of Abscisic Acid Signaling By Pyl Proteins
Nat. Struct. Mol. Biol. V. 16 1230 2009
PubMed-ID: 19893533  |  Reference-DOI: 10.1038/NSMB.1730

(-) Compounds

Molecule 1 - PUTATIVE UNCHARACTERIZED PROTEIN AT2G26040
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-15B
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Organism Common: MOUSE-EAR CRESS
    Organism Scientific: ARABIDOPSIS THALIANA
    Organism Taxid: 3702
    Synonym: PYL2

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1A8S1Ligand/Ion(2Z,4E)-5-[(1S)-1-HYDROXY-2,6,6-TRIMETHYL-4-OXOCYCLOHEX-2-EN-1-YL]-3-METHYLPENTA-2,4-DIENOIC ACID
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1A8S2Ligand/Ion(2Z,4E)-5-[(1S)-1-HYDROXY-2,6,6-TRIMETHYL-4-OXOCYCLOHEX-2-EN-1-YL]-3-METHYLPENTA-2,4-DIENOIC ACID

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS A:64 , VAL A:87 , ALA A:93 , TYR A:124 , VAL A:166 , VAL A:169 , ASN A:173 , HOH A:197 , HOH A:203 , HOH A:204 , HOH A:205BINDING SITE FOR RESIDUE A8S A 191

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Gln A:136 -Asp A:137

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3KDI)

(-) 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    
   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:181
 aligned with PYL2_ARATH | O80992 from UniProtKB/Swiss-Prot  Length:190

    Alignment length:181
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186 
           PYL2_ARATH     7 VKGLTDEEQKTLEPVIKTYHQFEPDPTTCTSLITQRIHAPASVVWPLIRRFDNPERYKHFVKRCRLISGDGDVGSVREVTVISGLPASTSTERLEFVDDDHRVLSFRVVGGEHRLKNYKSVTSVNEFLNQDSGKVYTVVLESYTVDIPEGNTEEDTKMFVDTVVKLNLQKLGVAATSAPMH 187
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------Polyketide_cyc2-3kdiA01 A:34-181                                                                                                                    ------ Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhh.......eeeeeeeeee..hhhhhhhhhhh..hhhhh...eeeeeeee.......eeeeee.......eeeeeeeeee....eeeeeeee........eeeeeeeeeee....eeeeeeeeeeeee.....hhhhhhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3kdi A   7 VKGLTDEEQKTLEPVIKTYHQFEPDPTTCTSLITQRIHAPASVVWPLIRRFDNPERYKHFVKRCRLISGDGDVGSVREVTVISGLPASTSTERLEFVDDDHRVLSFRVVGGEHRLKNYKSVTSVNEFLNQDSGKVYTVVLESYTVDIPEGNTEEDTKMFVDTVVKLNLQKLGVAATSAPMH 187
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186
   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  (0, 0)

(no "SCOP Domain" information available for 3KDI)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (1, 1)

Asymmetric Unit
(-)
Clan: Bet_V_1_like (93)

(-) Gene Ontology  (12, 12)

Asymmetric Unit(hide GO term definitions)
Chain A   (PYL2_ARATH | O80992)
molecular function
    GO:0010427    abscisic acid binding    Interacting selectively and non-covalently with abscisic acid, plant hormones that regulate aspects of plant growth.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0004864    protein phosphatase inhibitor activity    Stops, prevents or reduces the activity of a protein phosphatase, an enzyme that hydrolyzes phosphate groups from phosphorylated proteins.
    GO:0004872    receptor activity    Combining with an extracellular or intracellular messenger to initiate a change in cell activity.
biological process
    GO:0009738    abscisic acid-activated signaling pathway    A series of molecular signals generated by the binding of the plant hormone abscisic acid (ABA) to a receptor, and ending with modulation of a cellular process, e.g. transcription.
    GO:0043086    negative regulation of catalytic activity    Any process that stops or reduces the activity of an enzyme.
    GO:0080163    regulation of protein serine/threonine phosphatase activity    Any process that modulates the frequency, rate or extent of protein serine/threonine phosphatase activity: catalysis of the reaction: protein serine/threonine phosphate + H2O = protein serine/threonine + phosphate.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

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

UniProtKB/Swiss-Prot
        PYL2_ARATH | O80992: 3kaz 3kb0 3kb3 3kdh 3kl1 3nj0 3nj1 3nmh 3nmp 3nmt 3nmv 3nr4 3ns2 3ujl 4la7 4lg5 4lga 4lgb 5jnn

(-) Related Entries Specified in the PDB File

3kdh APO-PYL2
3kdj (+)-ABA-BOUND PYL1 AND ABI1