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(-) Description

Title :  CRYSTAL STRUCTURE OF P110BETA IN COMPLEX WITH ICSH2 OF P85BETA AND THE DRUG GDC-0941
 
Authors :  X. Zhang, O. Vadas, O. Perisic, R. L. Williams
Date :  20 Dec 10  (Deposition) - 16 Mar 11  (Release) - 16 Mar 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.30
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Transferase, Phosphoinositide 3-Kinase, Rtk (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  X. Zhang, O. Vadas, O. Perisic, K. E. Anderson, J. Clark, P. T. Hawkins, L. R. Stephens, R. L. Williams
Structure Of Lipid Kinase P110Beta-P85Beta Elucidates An Unusual Sh2-Domain-Mediated Inhibitory Mechanism.
Mol. Cell V. 41 567 2011
PubMed-ID: 21362552  |  Reference-DOI: 10.1016/J.MOLCEL.2011.01.026

(-) Compounds

Molecule 1 - PHOSPHATIDYLINOSITOL-4,5-BISPHOSPHATE 3-KINASE CATALYTIC SUBUNIT BETA ISOFORM
    ChainsA
    EC Number2.7.1.173
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System Cell LineSF-9
    Expression System CommonFALL ARMYWORM
    Expression System PlasmidPFASTBAC-HTB
    Expression System Taxid7108
    Expression System Vector TypeBACULOVIRUS
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    SynonymPI3-KINASE SUBUNIT BETA, PI3K-BETA, PTDINS-3-KINASE SUBUNIT BETA, PHOSPHATIDYLINOSITOL-4,5-BISPHOSPHATE 3-KINASE 110 KDA CATALYTIC SUBUNIT BETA, PTDINS-3-KINASE SUBUNIT P110-BETA, PIK3CA
 
Molecule 2 - PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT BETA
    ChainsB
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System Cell LineSF-9
    Expression System CommonFALL ARMYWORM
    Expression System PlasmidPFASTBAC-1
    Expression System Taxid7108
    Expression System Vector TypeBACULOVIRUS
    FragmentICSH2 DOMAIN, RESIDUES 423-722
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    SynonymPI3-KINASE REGULATORY SUBUNIT BETA, PI3K REGULATORY SUBUNIT BETA, PTDINS-3-KINASE REGULATORY SUBUNIT BETA, PHOSPHATIDYLINOSITOL 3-KINASE 85 KDA REGULATORY SUBUNIT BETA, PI3-KINASE SUBUNIT P85-BETA, PTDINS-3-KINASE REGULATORY SUBUNIT P85-BETA, PIK3R2

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1GD91Ligand/Ion2-(1H-INDAZOL-4-YL)-6-{[4-(METHYLSULFONYL)PIPERAZIN-1-YL]METHYL}-4-MORPHOLIN-4-YL-THIENO[3,2-D]PYRIMIDINE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:772 , MET A:773 , ASP A:774 , ASP A:807 , TYR A:833 , ILE A:845 , GLU A:846 , VAL A:847 , VAL A:848 , MET A:920 , ILE A:930 , ASP A:931BINDING SITE FOR RESIDUE GD9 A2058

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2Y3A)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2Y3A)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Y3A)

(-) PROSITE Motifs  (8, 8)

Asymmetric/Biological Unit (8, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PI3K_ABDPS51544 Phosphatidylinositol 3-kinase adaptor-binding (PI3K ABD) domain profile.PK3CB_MOUSE20-109  1A:20-109
2PI3K_RBDPS51546 Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain profile.PK3CB_MOUSE188-279  1A:188-279
3PI3K_C2PS51547 Phosphatidylinositol 3-kinase C2 (PI3K C2) domain profile.PK3CB_MOUSE323-490  1A:323-490
4SH2PS50001 Src homology 2 (SH2) domain profile.P85B_MOUSE324-419
616-710
  1-
B:616-710
5PIK_HELICALPS51545 PIK helical domain profile.PK3CB_MOUSE518-695  1A:525-695
6PI3_4_KINASE_3PS50290 Phosphatidylinositol 3- and 4-kinases family profile.PK3CB_MOUSE794-1044  1A:794-1044
7PI3_4_KINASE_1PS00915 Phosphatidylinositol 3- and 4-kinases signature 1.PK3CB_MOUSE798-812  1A:798-812
8PI3_4_KINASE_2PS00916 Phosphatidylinositol 3- and 4-kinases signature 2.PK3CB_MOUSE898-918  1A:898-918

(-) Exons   (0, 0)

(no "Exon" information available for 2Y3A)

(-) 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:976
 aligned with PK3CB_MOUSE | Q8BTI9 from UniProtKB/Swiss-Prot  Length:1064

    Alignment length:1045
                                    22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422       432       442       452       462       472       482       492       502       512       522       532       542       552       562       572       582       592       602       612       622       632       642       652       662       672       682       692       702       712       722       732       742       752       762       772       782       792       802       812       822       832       842       852       862       872       882       892       902       912       922       932       942       952       962       972       982       992      1002      1012      1022      1032      1042      1052     
         PK3CB_MOUSE     13 AVDSQIASDGAISVDFLLPTGIYIQLEVPREATISYIKQMLWKQVHNYPMFNLLMDIDSYMFACVNQTAVYEELEDETRRLCDVRPFLPVLKLVTRSCDPAEKLDSKIGVLIGKGLHEFDALKDPEVNEFRRKMRKFSEAKIQSLVGLSWIDWLKHTYPPEHEPSVLENLEDKLYGGKLVVAVHFENSQDVFSFQVSPNLNPIKINELAIQKRLTIRGKEDEASPCDYVLQVSGRVEYVFGDHPLIQFQYIRNCVMNRTLPHFILVECCKIKKMYEQEMIAIEAAINRNSSNLPLPLPPKKTRVISHIWDNNNPFQITLVKGNKLNTEETVKVHVRAGLFHGTELLCKTVVSSEISGKNDHIWNEQLEFDINICDLPRMARLCFAVYAVLDKVKTKKSTKTINPSKYQTIRKAGKVHYPVAWVNTMVFDFKGQLRSGDVILHSWSSFPDELEEMLNPMGTVQTNPYAENATALHITFPENKKQPCYYPPFDKIIEKAAELASGDSANVSSRGGKKFLAVLKEILDRDPLSQLCENEMDLIWTLRQDCRENFPQSLPKLLLSIKWNKLEDVAQLQALLQIWPKLPPREALELLDFNYPDQYVREYAVGCLRQMSDEELSQYLLQLVQVLKYEPFLDCALSRFLLERALDNRRIGQFLFWHLRSEVHTPAVSVQFGVILEAYCRGSVGHMKVLSKQVEALNKLKTLNSLIKLNAVKLSRAKGKEAMHTCLKQSAYREALSDLQSPLNPCVILSELYVEKCKYMDSKMKPLWLVYSSRAFGEDSVGVIFKNGDDLRQDMLTLQMLRLMDLLWKEAGLDLRMLPYGCLATGDRSGLIEVVSTSETIADIQLNSSNVAATAAFNKDALLNWLKEYNSGDDLDRAIEEFTLSCAGYCVASYVLGIGDRHSDNIMVKKTGQLFHIDFGHILGNFKSKFGIKRERVPFILTYDFIHVIQQGKTGNTEKFGRFRQCCEDAYLILRRHGNLFITLFALMLTAGLPELTSVKDIQYLKDSLALGKSEEEALKQFKQKFDEALRESWTTKVNWMAHT 1057
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------PI3K_p85B-2y3aA04 A:35-112                                                    -------------------------------------------------------------PI3K_rbd-2y3aA03 A:174-282                                                                                   ----------------                     ---------------------PI3K_C2-2y3aA01 A:341-490                                                                                                                             -----------------------           PI3Ka-2y3aA02 A:525-705                                                                                                                                                              ---------------------------------------------------------------------------------------PI3_PI4_kinase-2y3aA05 A:793-1011                                                                                                                                                                                          ---------------------------------------------- Pfam domains
         Sec.struct. author ..........eeeeeee.....eeeeeee...hhhhhhhhhhhhhhhh.......hhh.eeeeee.....eee.......hhhhh.....eeeee.......hhhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhh......hhhhh.........eeeeeee......eeeee.....hhhhhhhhhh....-------.hhh.eeeee.....ee....hhhhhhhhhhhhhh....eeeeeehhhhhhhhhhhhhhhh...---------------------......eeeeee...................eee..ee...................eeeeeeee........eeeee....------------------------------..eeeee..........eeee.................................eeee.............hhhhhhhhhhh-----------..hhhhhhhh..........hhhhhhhhhhhhhhhhhhh..hhhhhhhhh...hhhhhhhhhhhhhh....hhhhhhhhhh......hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhh................hhhhhee.......eeeeee.......eeeeee.....hhhhhhhhhhhhhhhhhhhhhh.........ee.......eee......hhhhhhh.............hhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh.........eee.....eee...........hhhhh.........hhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -------PI3K_ABD  PDB: A:20-109 UniProt: 20-109                                                   ------------------------------------------------------------------------------PI3K_RBD  PDB: A:188-279 UniProt: 188-279                                                   -------------------------------------------PI3K_C2  PDB: A:323-490 UniProt: 323-490                                                                                                                                ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PI3_4_KINASE_3  PDB: A:794-1044 UniProt: 794-1044                                                                                                                                                                                                          ------------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PIK_HELICAL  PDB: A:525-695 UniProt: 518-695                                                                                                                                      ------------------------------------------------------------------------------------------------------PI3_4_KINASE_1 -------------------------------------------------------------------------------------PI3_4_KINASE_2       ------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                2y3a A   13 AVDSQIASDGAISVDFLLPTGIYIQLEVPREATISYIKQMLWKQVHNYPMFNLLMDIDSYMFACVNQTAVYEELEDETRRLCDVRPFLPVLKLVTRSCDPAEKLDSKIGVLIGKGLHEFDALKDPEVNEFRRKMRKFSEAKIQSLVGLSWIDWLKHTYPPEHEPSVLENLEDKLYGGKLVVAVHFENSQDVFSFQVSPNLNPIKINELAIQKRLT-------ASPCDYVLQVSGRVEYVFGDHPLIQFQYIRNCVMNRTLPHFILVECCKIKKMYEQEMIAIEAAI---------------------IWDNNNPFQITLVKGNKLNTEETVKVHVRAGLFHGTELLCKTVVSSEISGKNDHIWNEQLEFDINICDLPRMARLCFAVYAV------------------------------VAWVNTMVFDFKGQLRSGDVILHSWSSFPDELEEMLNPMGTVQTNPYAENATALHITFPENKKQPCYYPPFDKIIEKAAELA-----------GKKFLAVLKEILDRDPLSQLCENEMDLIWTLRQDCRENFPQSLPKLLLSIKWNKLEDVAQLQALLQIWPKLPPREALELLDFNYPDQYVREYAVGCLRQMSDEELSQYLLQLVQVLKYEPFLDCALSRFLLERALDNRRIGQFLFWHLRSEVHTPAVSVQFGVILEAYCRGSVGHMKVLSKQVEALNKLKTLNSLIKLNAVKLSRAKGKEAMHTCLKQSAYREALSDLQSPLNPCVILSELYVEKCKYMDSKMKPLWLVYSSRAFGEDSVGVIFKNGDDLRQDMLTLQMLRLMDLLWKEAGLDLRMLPYGCLATGDRSGLIEVVSTSETIADIQLNSSNVAATAAFNKDALLNWLKEYNSGDDLDRAIEEFTLSCAGYCVASYVLGIGDRHSDNIMVKKTGQLFHIDFGHILGNFKSKFGIKRERVPFILTYDFIHVIQQGKTGNTEKFGRFRQCCEDAYLILRRHGNLFITLFALMLTAGLPELTSVKDIQYLKDSLALGKSEEEALKQFKQKFDEALRESWTTKVNWMAHT 1057
                                    22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222    |    -  |    242       252       262       272       282       292     |   -         -       322       332       342       352       362       372       382       392        |-         -         -       432       442       452       462       472       482       492       502       512|        -  |    532       542       552       562       572       582       592       602       612       622       632       642       652       662       672       682       692       702       712       722       732       742       752       762       772       782       792       802       812       822       832       842       852       862       872       882       892       902       912       922       932       942       952       962       972       982       992      1002      1012      1022      1032      1042      1052     
                                                                                                                                                                                                                                                227     235                                                            298                   320                                                                              401                            432                                                                              513         525                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

Chain B from PDB  Type:PROTEIN  Length:236
 aligned with P85B_MOUSE | O08908 from UniProtKB/Swiss-Prot  Length:722

    Alignment length:274
                                   450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710    
          P85B_MOUSE    441 KVYHQQYQDKSREYDQLYEEYTRTSQELQMKRTAIEAFNETIKIFEEQGQTQEKCSKEYLERFRREGNEKEMQRILLNSERLKSRIAEIHESRTKLEQDLRAQASDNREIDKRMNSLKPDLMQLRKIRDQYLVWLTQKGARQRKINEWLGIKNETEDQYSLMEDEDALPHHEERTWYVGKINRTQAEEMLSGKRDGTFLIRESSQRGCYACSVVVDGDTKHCVIYRTATGFGFAEPYNLYGSLKELVLHYQHASLVQHNDALTVTLAHPVRAPG  714
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SH2-2y3aB01 B:616-690                                                      ------------------------ Pfam domains
         Sec.struct. author ......hhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...------...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......--------------------------------hhhhh.........hhhhhhhhhh......ee.........eeeeee....eeeeeeeee..eee.........hhhhhhhh......................... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (1) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SH2  PDB: B:616-710 UniProt: 616-710                                                           ---- PROSITE (1)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                2y3a B  441 KVYHQQYQDKSREYDQLYEEYTRTSQELQMKRTAIEAFNETIKIFEEQGQTQEKCSKEYL------GNEKEMQRILLNSERLKSRIAEIHESRTKLEQDLRAQASDNREIDKRMNSLKPDLMQLRKIRDQYLVWL--------------------------------LPHHEERTWYVGKINRTQAEEMLSGKRDGTFLIRESSQRGCYACSVVVDGDTKHCVIYRTATGFGFAEPYNLYGSLKELVLHYQHASLVQHNDALTVTLAHPVRAPG  714
                                   450       460       470       480       490       500      |510       520       530       540       550       560       570    |    -         -         -       610       620       630       640       650       660       670       680       690       700       710    
                                                                                     500    507                                                                 575                              608                                                                                                          

   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  (0, 0)

(no "SCOP Domain" information available for 2Y3A)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2Y3A)

(-) Pfam Domains  (6, 6)

Asymmetric/Biological Unit
(-)
Clan: C2 (71)
(-)
Clan: TPR (230)
(-)
Clan: Ubiquitin (279)
(-)
Family: SH2 (119)

(-) Gene Ontology  (56, 61)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (PK3CB_MOUSE | Q8BTI9)
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:0035005    1-phosphatidylinositol-4-phosphate 3-kinase activity    Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol 4-phosphate + ATP = 1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate + ADP + 2 H(+).
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    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:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    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:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0060055    angiogenesis involved in wound healing    Blood vessel formation when new vessels emerge from the proliferation of pre-existing blood vessels and contribute to the series of events that restore integrity to a damaged tissue, following an injury.
    GO:0006914    autophagy    The process in which cells digest parts of their own cytoplasm; allows for both recycling of macromolecular constituents under conditions of cellular stress and remodeling the intracellular structure for cell differentiation.
    GO:0007155    cell adhesion    The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
    GO:0006874    cellular calcium ion homeostasis    Any process involved in the maintenance of an internal steady state of calcium ions at the level of a cell.
    GO:0040016    embryonic cleavage    The first few specialized divisions of an activated animal egg.
    GO:0006897    endocytosis    A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
    GO:0001935    endothelial cell proliferation    The multiplication or reproduction of endothelial cells, resulting in the expansion of a cell population. Endothelial cells are thin flattened cells which line the inside surfaces of body cavities, blood vessels, and lymph vessels, making up the endothelium.
    GO:0007156    homophilic cell adhesion via plasma membrane adhesion molecules    The attachment of a plasma membrane adhesion molecule in one cell to an identical molecule in an adjacent cell.
    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:0016310    phosphorylation    The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
    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:0010628    positive regulation of gene expression    Any process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
    GO:0001952    regulation of cell-matrix adhesion    Any process that modulates the frequency, rate or extent of attachment of a cell to the extracellular matrix.
    GO:0009611    response to wounding    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to the organism.
cellular component
    GO:0031526    brush border membrane    The portion of the plasma membrane surrounding the brush border.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0045171    intercellular bridge    A direct connection between the cytoplasm of two cells that is formed following the completion of cleavage furrow ingression during cell division. They are usually present only briefly prior to completion of cytokinesis. However, in some cases, such as the bridges between germ cells during their development, they become stabilised.
    GO:0005730    nucleolus    A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
    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: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: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.

Chain B   (P85B_MOUSE | O08908)
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: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: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:0030971    receptor tyrosine kinase binding    Interacting selectively and non-covalently with a receptor that possesses protein tyrosine kinase activity.
    GO:0008134    transcription factor binding    Interacting selectively and non-covalently with a transcription factor, any protein required to initiate or regulate transcription.
biological process
    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: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:0008286    insulin receptor signaling pathway    The series of molecular signals generated as a consequence of the insulin receptor binding to insulin.
    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: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:0045785    positive regulation of cell adhesion    Any process that activates or increases the frequency, rate or extent of cell adhesion.
    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: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:0030833    regulation of actin filament polymerization    Any process that modulates the frequency, rate or extent of the assembly of actin filaments by the addition of actin monomers to a filament.
    GO:0010506    regulation of autophagy    Any process that modulates the frequency, rate or extent of autophagy. Autophagy is the process in which cells digest parts of their own cytoplasm.
    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:0042325    regulation of phosphorylation    Any process that modulates the frequency, rate or extent of addition of phosphate groups into a molecule.
    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.
cellular component
    GO:0005925    focal adhesion    Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
    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: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.

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