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(-) Description

Title :  PI3K SH3 DOMAIN IN COMPLEX WITH A PEPTIDE LIGAND
 
Authors :  R. Batra-Safferling, J. Granzin, S. Modder, S. Hoffmann, D. Willbold
Date :  06 Jul 09  (Deposition) - 02 Mar 10  (Release) - 02 Mar 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Sh3 Domain, Peptide Complex, Alternative Splicing, Disease Mutation, Host-Virus Interaction, Phosphoprotein, Polymorphism, Sh2 Domain, Ubl Conjugation, Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Batra-Safferling, J. Granzin, S. Modder, S. Hoffmann, D. Willbold
Structural Studies Of The Phosphatidylinositol 3-Kinase (Pi3K) Sh3 Domain In Complex With A Peptide Ligand: Role Of The Anchor Residue In Ligand Binding.
Biol. Chem. V. 391 33 2010
PubMed-ID: 19919182  |  Reference-DOI: 10.1515/BC.2010.003

(-) Compounds

Molecule 1 - PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHA
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PGEX
    Expression System Strain: BL21
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: SH3 DOMAIN (UNP RESIDUES 1-83)
    Gene: GRB1, PIK3R1
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: PI3-KINASE P85 SUBUNIT ALPHA, PTDINS-3-KINASE P85- ALPHA, PI3K
 
Molecule 2 - PEPTIDE LIGAND
    Chains: B
    Engineered: YES
    Other Details: ARTIFICIAL PEPTIDE LIGAND
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3I5R)

(-) Sites  (0, 0)

(no "Site" information available for 3I5R)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3I5R)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3I5R)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3I5R)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SH3PS50002 Src homology 3 (SH3) domain profile.P85A_HUMAN3-79  1A:3-79

(-) Exons   (0, 0)

(no "Exon" information available for 3I5R)

(-) 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:81
 aligned with P85A_HUMAN | P27986 from UniProtKB/Swiss-Prot  Length:724

    Alignment length:81
                                    11        21        31        41        51        61        71        81 
            P85A_HUMAN    2 SAEGYQYRALYDYKKEREEDIDLHLGDILTVNKGSLVALGFSDGQEARPEEIGWLNGYNETTGERGDFPGTYVEYIGRKKI 82
               SCOP domains d3i5ra_ A: automated matches                                                      SCOP domains
               CATH domains 3i5rA00 A:2-82 SH3 Domains                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee..................eeeeehhhhhhhh...hhhhhhhhhheeeeee....eeeeee...eeeeeeee. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -SH3  PDB: A:3-79 UniProt: 3-79                                               --- PROSITE
                 Transcript --------------------------------------------------------------------------------- Transcript
                  3i5r A  2 SAEGYQYRALYDYKKEREEDIDLHLGDILTVNKGSLVALGFSDGQEARPEEIGWLNGYNETTGERGDFPGTYVEYIGRKKI 82
                                    11        21        31        41        51        61        71        81 


Chain B from PDB  Type:PROTEIN  Length:9
                                        
               SCOP domains --------- SCOP domains
               CATH domains --------- CATH domains
               Pfam domains --------- Pfam domains
         Sec.struct. author ......... Sec.struct. author
                 SAPs(SNPs) --------- SAPs(SNPs)
                    PROSITE --------- PROSITE
                 Transcript --------- Transcript
                  3i5r B  3 KRPLPPLPS 11
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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: All beta proteins (24004)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3I5R)

(-) Gene Ontology  (75, 75)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (P85A_HUMAN | P27986)
molecular function
    GO:0016303    1-phosphatidylinositol-3-kinase activity    Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol + ATP = a 1-phosphatidyl-1D-myo-inositol 3-phosphate + ADP + 2 H(+).
    GO:0046935    1-phosphatidylinositol-3-kinase regulator activity    Modulates the activity of the enzyme 1-phosphatidylinositol-3-kinase activity.
    GO:0043125    ErbB-3 class receptor binding    Interacting selectively and non-covalently with the protein-tyrosine kinase receptor ErbB-3/HER3.
    GO:0043559    insulin binding    Interacting selectively and non-covalently with insulin, a polypeptide hormone produced by the islets of Langerhans of the pancreas in mammals, and by the homologous organs of other organisms.
    GO:0005158    insulin receptor binding    Interacting selectively and non-covalently with the insulin receptor.
    GO:0043560    insulin receptor substrate binding    Interacting selectively and non-covalently with any of the insulin receptor substrate (IRS) proteins, adaptor proteins that bind to the transphosphorylated insulin and insulin-like growth factor receptors, are themselves phosphorylated and in turn recruit SH2 domain-containing signaling molecules to form a productive signaling complex.
    GO:0005159    insulin-like growth factor receptor binding    Interacting selectively and non-covalently with the insulin-like growth factor receptor.
    GO:0005168    neurotrophin TRKA receptor binding    Interacting selectively and non-covalently with the neurotrophin TRKA receptor.
    GO:0043548    phosphatidylinositol 3-kinase binding    Interacting selectively and non-covalently with a phosphatidylinositol 3-kinase, any enzyme that catalyzes the addition of a phosphate group to an inositol lipid at the 3' position of the inositol ring.
    GO:0035014    phosphatidylinositol 3-kinase regulator activity    Modulates the activity of any of the phosphatidylinositol 3-kinases (PI3Ks). Regulatory subunits can link a PI3K catalytic subunit to upstream signaling events and help position the catalytic subunits close to their lipid substrates.
    GO:0036312    phosphatidylinositol 3-kinase regulatory subunit binding    Interacting selectively and non-covalently with a regulatory subunit of phosphatidylinositol 3-kinase. The regulatory subunit associates with the catalytic subunit to regulate both its activity and subcellular location.
    GO:0046934    phosphatidylinositol-4,5-bisphosphate 3-kinase activity    Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + ATP = a 1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate + ADP + 2 H(+).
    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:0046982    protein heterodimerization activity    Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
    GO:0019903    protein phosphatase binding    Interacting selectively and non-covalently with any protein phosphatase.
    GO:0008134    transcription factor binding    Interacting selectively and non-covalently with a transcription factor, any protein required to initiate or regulate transcription.
    GO:0005068    transmembrane receptor protein tyrosine kinase adaptor activity    The binding activity of a molecule that brings together a transmembrane receptor protein tyrosine kinase and one or more other molecules, permitting them to function in a coordinated way.
biological process
    GO:0030183    B cell differentiation    The process in which a precursor cell type acquires the specialized features of a B cell. A B cell is a lymphocyte of B lineage with the phenotype CD19-positive and capable of B cell mediated immunity.
    GO:0038128    ERBB2 signaling pathway    A series of molecular signals initiated by binding of a ligand to a member of the ERBB family of receptors on the surface of a cell, where the signal is transmitted by ERBB2. The pathway ends with regulation of a downstream cellular process, e.g. transcription. ERBB2 receptors are themselves unable to bind to ligands, but act as a signal-amplifying tyrosine kinase within a heterodimeric pair.
    GO:0038095    Fc-epsilon receptor signaling pathway    A series of molecular signals initiated by the binding of the Fc portion of immunoglobulin E (IgE) to an Fc-epsilon receptor on the surface of a signal-receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription. The Fc portion of an immunoglobulin is its C-terminal constant region.
    GO:0038096    Fc-gamma receptor signaling pathway involved in phagocytosis    An Fc-gamma receptor signaling pathway that contributes to the endocytic engulfment of external particulate material by phagocytes.
    GO:0051531    NFAT protein import into nucleus    The directed movement of NFAT (nuclear factor of activated T cells) proteins, a family of transcription factors, from the cytoplasm into the nucleus. NFAT proteins are dephosphorylated in the cytoplasm by activated calcineurin, which leads to their translocation across the nuclear membrane.
    GO:0031295    T cell costimulation    The process of providing, via surface-bound receptor-ligand pairs, a second, antigen-independent, signal in addition to that provided by the T cell receptor to augment T cell activation.
    GO:0050852    T cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.
    GO:0001678    cellular glucose homeostasis    A cellular homeostatic process involved in the maintenance of an internal steady state of glucose within a cell or between a cell and its external environment.
    GO:0034644    cellular response to UV    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an ultraviolet radiation (UV light) stimulus. Ultraviolet radiation is electromagnetic radiation with a wavelength in the range of 10 to 380 nanometers.
    GO:0032869    cellular response to insulin stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an insulin stimulus. Insulin is a polypeptide hormone produced by the islets of Langerhans of the pancreas in mammals, and by the homologous organs of other organisms.
    GO:0007173    epidermal growth factor receptor signaling pathway    A series of molecular signals initiated by binding of a ligand to the tyrosine kinase receptor EGFR (ERBB1) on the surface of a cell. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
    GO:0008625    extrinsic apoptotic signaling pathway via death domain receptors    A series of molecular signals in which a signal is conveyed from the cell surface to trigger the apoptotic death of a cell. The pathway starts with a ligand binding to a death domain receptor on the cell surface, and ends when the execution phase of apoptosis is triggered.
    GO:0060396    growth hormone receptor signaling pathway    The series of molecular signals generated as a consequence of growth hormone receptor binding to its physiological ligand.
    GO:0008286    insulin receptor signaling pathway    The series of molecular signals generated as a consequence of the insulin receptor binding to insulin.
    GO:0048009    insulin-like growth factor receptor signaling pathway    The series of molecular signals generated as a consequence of the insulin-like growth factor receptor binding to one of its physiological ligands.
    GO:0008630    intrinsic apoptotic signaling pathway in response to DNA damage    A series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a cell. The pathway is induced by the detection of DNA damage, and ends when the execution phase of apoptosis is triggered.
    GO:0050900    leukocyte migration    The movement of a leukocyte within or between different tissues and organs of the body.
    GO:0043066    negative regulation of apoptotic process    Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
    GO:0007162    negative regulation of cell adhesion    Any process that stops, prevents, or reduces the frequency, rate or extent of cell adhesion.
    GO:0001953    negative regulation of cell-matrix adhesion    Any process that stops, prevents, or reduces the rate or extent of cell adhesion to the extracellular matrix.
    GO:0045671    negative regulation of osteoclast differentiation    Any process that stops, prevents, or reduces the frequency, rate or extent of osteoclast differentiation.
    GO:0014065    phosphatidylinositol 3-kinase signaling    A series of reactions within the signal-receiving cell, mediated by the intracellular phosphatidylinositol 3-kinase (PI3K). Many cell surface receptor linked signaling pathways signal through PI3K to regulate numerous cellular functions.
    GO:0006661    phosphatidylinositol biosynthetic process    The chemical reactions and pathways resulting in the formation of phosphatidylinositol, any glycophospholipid in which the sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
    GO:0046854    phosphatidylinositol phosphorylation    The process of introducing one or more phosphate groups into a phosphatidylinositol, any glycerophosphoinositol having one phosphatidyl group esterified to one of the hydroxy groups of inositol.
    GO:0036092    phosphatidylinositol-3-phosphate biosynthetic process    The chemical reactions and pathways resulting in the formation of phosphatidylinositol-3-phosphate, a phosphatidylinositol monophosphate carrying the phosphate group at the 3-position.
    GO:0048015    phosphatidylinositol-mediated signaling    A series of molecular signals in which a cell uses a phosphatidylinositol-mediated signaling to convert a signal into a response. Phosphatidylinositols include phosphatidylinositol (PtdIns) and its phosphorylated derivatives.
    GO:0030168    platelet activation    A series of progressive, overlapping events triggered by exposure of the platelets to subendothelial tissue. These events include shape change, adhesiveness, aggregation, and release reactions. When carried through to completion, these events lead to the formation of a stable hemostatic plug.
    GO:0033120    positive regulation of RNA splicing    Any process that activates or increases the frequency, rate or extent of RNA splicing.
    GO:0030335    positive regulation of cell migration    Any process that activates or increases the frequency, rate or extent of cell migration.
    GO:1900103    positive regulation of endoplasmic reticulum unfolded protein response    Any process that activates or increases the frequency, rate or extent of endoplasmic reticulum unfolded protein response.
    GO:0090004    positive regulation of establishment of protein localization to plasma membrane    Any process that increases the frequency, rate or extent of the directed movement of a protein to a specific location in the plasma membrane.
    GO:0046326    positive regulation of glucose import    Any process that activates or increases the frequency, rate or extent of the import of the hexose monosaccharide glucose into a cell or organelle.
    GO:2001275    positive regulation of glucose import in response to insulin stimulus    Any process that activates or increases the frequency, rate or extent of glucose import in response to insulin stimulus.
    GO:0042993    positive regulation of transcription factor import into nucleus    Any process that activates or increases the frequency, rate or extent of the movement of a transcription factor from the cytoplasm to the nucleus.
    GO:0045944    positive regulation of transcription from RNA polymerase II promoter    Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    GO:0032760    positive regulation of tumor necrosis factor production    Any process that activates or increases the frequency, rate, or extent of tumor necrosis factor production.
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a protein.
    GO:0050821    protein stabilization    Any process involved in maintaining the structure and integrity of a protein and preventing it from degradation or aggregation.
    GO:0015031    protein transport    The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0090003    regulation of establishment of protein localization to plasma membrane    Any process that modulates the frequency, rate or extent of the directed movement of a protein to a specific location in the plasma membrane.
    GO:0043551    regulation of phosphatidylinositol 3-kinase activity    Any process that modulates the frequency, rate or extent of phosphatidylinositol 3-kinase activity, the catalysis of the transfer of a phosphate group, usually from ATP, to an inositol lipid at the 3' position of the inositol ring.
    GO:0014066    regulation of phosphatidylinositol 3-kinase signaling    Any process that modulates the frequency, rate or extent of signal transduction mediated by the phosphatidylinositol 3-kinase cascade.
    GO:0051492    regulation of stress fiber assembly    Any process that modulates the frequency, rate or extent of the assembly of a stress fiber, a bundle of microfilaments and other proteins found in fibroblasts.
    GO:0034976    response to endoplasmic reticulum stress    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stress acting at the endoplasmic reticulum. ER stress usually results from the accumulation of unfolded or misfolded proteins in the ER lumen.
    GO:0007165    signal transduction    The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
    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.
    GO:0048010    vascular endothelial growth factor receptor signaling pathway    Any series of molecular signals initiated by the binding of an extracellular ligand to a vascular endothelial growth factor receptor (VEGFR) located on the surface of the receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
cellular component
    GO:0005911    cell-cell junction    A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
    GO:0005801    cis-Golgi network    The network of interconnected tubular and cisternal structures located at the convex side of the Golgi apparatus, which abuts the endoplasmic reticulum.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    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:1990578    perinuclear endoplasmic reticulum membrane    The membrane of the perinuclear endoplasmic reticulum, which is the portion of endoplasmic reticulum, the intracellular network of tubules and cisternae, that occurs near the nucleus.
    GO:0005942    phosphatidylinositol 3-kinase complex    A protein complex capable of phosphatidylinositol 3-kinase activity and containing subunits of any phosphatidylinositol 3-kinase (PI3K) enzyme. These complexes are divided in three classes (called I, II and III) that differ for their presence across taxonomic groups and for the type of their constituents. Catalytic subunits of phosphatidylinositol 3-kinase enzymes are present in all 3 classes; regulatory subunits of phosphatidylinositol 3-kinase enzymes are present in classes I and III; adaptor proteins have been observed in class II complexes and may be present in other classes too.
    GO:0005943    phosphatidylinositol 3-kinase complex, class IA    A class I phosphatidylinositol 3-kinase complex that possesses 1-phosphatidylinositol-4-phosphate 3-kinase activity; comprises a catalytic class IA phosphoinositide 3-kinase (PI3K) subunit and an associated SH2 domain-containing regulatory subunit that is a member of a family of related proteins often called p85 proteins. Through the interaction with the SH2-containing adaptor subunits, Class IA PI3K catalytic subunits are linked to tyrosine kinase signaling pathways.
    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
        P85A_HUMAN | P27986: 1a0n 1azg 1h9o 1pbw 1pht 1pic 1pks 1pkt 2iug 2iuh 2iui 2rd0 2v1y 3hhm 3hiz 3i5s 4a55 4jps 4l1b 4l23 4l2y 4ovu 4ovv 4waf 4ykn 4zop 5aul 5fi4 5gji 5itd 5m6u 5sw8 5swg 5swo 5swp 5swr 5swt 5sx8 5sx9 5sxa 5sxb 5sxc 5sxd 5sxe 5sxf 5sxi 5sxj 5sxk 5ubt 5uk8 5ukj 5ul1 5vlr

(-) Related Entries Specified in the PDB File

3i5s