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(-) Description

Title :  AUTOINHIBITED INTACT HUMAN ZAP-70
 
Authors :  S. Deindl, T. A. Kadlecek, T. Brdicka, X. Cao, A. Weiss, J. Kuriyan
Date :  26 Feb 07  (Deposition) - 22 May 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym./Biol. Unit :  A
Keywords :  Inactive Zap-70, Tandem Sh2, Autoinhibition, Itam, Hydrogen Bonding Network, Tcr Signaling, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. Deindl, T. A. Kadlecek, T. Brdicka, X. Cao, A. Weiss, J. Kuriyan
Structural Basis For The Inhibition Of Tyrosine Kinase Activity Of Zap-70.
Cell(Cambridge, Mass. ) V. 129 735 2007
PubMed-ID: 17512407  |  Reference-DOI: 10.1016/J.CELL.2007.03.039
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TYROSINE-PROTEIN KINASE ZAP-70
    ChainsA
    EC Number2.7.10.2
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System CellBACULOVIRUS-INFECTED INSECT CELLS SF9
    Expression System CommonFALL ARMYWORM
    Expression System PlasmidPFASTBAC-1
    Expression System StrainTRIEX SF9
    Expression System Taxid7108
    Expression System Vector TypePLASMID
    FragmentINACTIVE ZAP-70 (RESIDUES 1-606)
    GeneZAP70, SRK
    MutationYES
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    Synonym70 KDA ZETA-ASSOCIATED PROTEIN, SYK-RELATED TYROSINE KINASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
1ANP1Ligand/IonPHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
2MG1Ligand/IonMAGNESIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:466 , ASP A:479 , ANP A:615BINDING SITE FOR RESIDUE MG A 614
2AC2SOFTWARELEU A:344 , CYS A:346 , GLY A:347 , ASN A:348 , PHE A:349 , VAL A:352 , ALA A:367 , LYS A:369 , GLU A:415 , ALA A:417 , PRO A:421 , ARG A:465 , ASN A:466 , LEU A:468 , ASP A:479 , MG A:614 , HOH A:655 , HOH A:671BINDING SITE FOR RESIDUE ANP A 615

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (12, 12)

Asymmetric/Biological Unit (12, 12)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_041846R175LZAP70_HUMANPolymorphism55964305AR175L
02UniProtVAR_041847P191LZAP70_HUMANPolymorphism56403250AP191L
03UniProtVAR_077137R192WZAP70_HUMANDisease (ADMIO2)199840952AR192W
04UniProtVAR_065623L337RZAP70_HUMANDisease (IMD48)  ---AL337R
05UniProtVAR_077138R360PZAP70_HUMANDisease (ADMIO2)869025224AR360P
06UniProtVAR_041848G448EZAP70_HUMANUnclassified  ---AG448E
07UniProtVAR_065624R465CZAP70_HUMANDisease (IMD48)113994174AR465C
08UniProtVAR_015538R465HZAP70_HUMANDisease (IMD48)137853201AR465H
09UniProtVAR_065625A507VZAP70_HUMANDisease (IMD48)  ---AA507V
10UniProtVAR_006351S518RZAP70_HUMANDisease (IMD48)104893674AS518R
11UniProtVAR_041849W523LZAP70_HUMANPolymorphism56189815AW523L
12UniProtVAR_065626C564RZAP70_HUMANDisease (IMD48)  ---AC564R

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (3, 4)

Asymmetric/Biological Unit (3, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SH2PS50001 Src homology 2 (SH2) domain profile.ZAP70_HUMAN10-102
163-254
  2A:10-102
A:163-254
2PROTEIN_KINASE_ATPPS00107 Protein kinases ATP-binding region signature.ZAP70_HUMAN344-369  1A:344-369
3PROTEIN_KINASE_TYRPS00109 Tyrosine protein kinases specific active-site signature.ZAP70_HUMAN457-469  1A:457-469

(-) Exons   (10, 10)

Asymmetric/Biological Unit (10, 10)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000002649721aENSE00001915964chr2:98330023-98330137115ZAP70_HUMAN-00--
1.2ENST000002649722ENSE00001346286chr2:98330379-9833045779ZAP70_HUMAN-00--
1.3ENST000002649723ENSE00002151593chr2:98340479-98340901423ZAP70_HUMAN1-1341341A:2-134133
1.6ENST000002649726ENSE00001726390chr2:98341555-98341715161ZAP70_HUMAN135-188541A:135-18854
1.7bENST000002649727bENSE00001702700chr2:98349346-98349484139ZAP70_HUMAN188-234471A:188-23447
1.8ENST000002649728ENSE00001779223chr2:98349588-9834967588ZAP70_HUMAN235-264301A:235-25622
1.9aENST000002649729aENSE00001597048chr2:98349760-9834980647ZAP70_HUMAN264-279160--
1.9eENST000002649729eENSE00001789090chr2:98350007-9835005852ZAP70_HUMAN280-297180--
1.9gENST000002649729gENSE00001695806chr2:98350983-98351175193ZAP70_HUMAN297-361651A:310-36152
1.9iENST000002649729iENSE00001072211chr2:98351713-98351919207ZAP70_HUMAN361-430701A:361-43070
1.10ENST0000026497210ENSE00001038176chr2:98353936-98354128193ZAP70_HUMAN430-494651A:430-48758
1.11aENST0000026497211aENSE00001506092chr2:98354220-98354360141ZAP70_HUMAN495-541471A:502-54140
1.11dENST0000026497211dENSE00001038187chr2:98354458-98354570113ZAP70_HUMAN542-579381A:542-57938
1.12cENST0000026497212cENSE00001267184chr2:98355838-98356323486ZAP70_HUMAN579-619411A:579-613 (gaps)37

(-) 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:545
 aligned with ZAP70_HUMAN | P43403 from UniProtKB/Swiss-Prot  Length:619

    Alignment length:614
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521       531       541       551       561       571       581       591       601       611    
          ZAP70_HUMAN     2 PDPAAHLPFFYGSISRAEAEEHLKLAGMADGLFLLRQCLRSLGGYVLSLVHDVRFHHFPIERQLNGTYAIAGGKAHCGPAELCEFYSRDPDGLPCNLRKPCNRPSGLEPQPGVFDCLRDAMVRDYVRQTWKLEGEALEQAIISQAPQVEKLIATTAHERMPWYHSSLTREEAERKLYSGAQTDGKFLLRPRKEQGTYALSLIYGKTVYHYLISQDKAGKYCIPEGTKFDTLWQLVEYLKLKADGLIYCLKEACPNSSASNASGAAAPTLPAHPSTLTHPQRRIDTLNSDGYTPEPARITSPDKPRPMPMDTSVYESPYSDPEELKDKKLFLKRDNLLIADIELGCGNFGSVRQGVYRMRKKQIDVAIKVLKQGTEKADTEEMMREAQIMHQLDNPYIVRLIGVCQAEALMLVMEMAGGGPLHKFLVGKREEIPVSNVAELLHQVSMGMKYLEEKNFVHRDLAARNVLLVNRHYAKISDFGLSKALGADDSYYTARSAGKWPLKWYAPECINFRKFSSRSDVWSYGVTMWEALSYGQKPYKKMKGPEVMAFIEQGKRMECPPECPPELYALMSDCWIYKWEDRPDFLTVEQRMRACYYSLASKVEGPPGSTQKAE 615
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------2ozoA01 A:10-113 SHC Adaptor Protein                                                                    2ozoA02 A:114-154                        2ozoA03 A:155-256 SHC Adaptor Protein                                                                                                                      -------------------2ozoA04 A:329-418 Phosphorylase Kinase; domain 1                                          2ozoA05 A:419-602 Transferase(Phosphotransferase) domain 1                                                                                                                              ----  ------- CATH domains
           Pfam domains (1) -----------------------------------------------------------------------------------------------------------------------------------------------------------------SH2-2ozoA02 A:163-239                                                        -----------------                                                     ----------------------------Pkinase_Tyr-2ozoA01 A:338-593                                                                                                                                                                                                                                   -------------  ------- Pfam domains (1)
           Pfam domains (2) -----------------------------------------------------------------------------------------------------------------------------------------------------------------SH2-2ozoA03 A:163-239                                                        ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains (2)
         Sec.struct. author ..............hhhhhhhhhhh......eeeeee.......eeeeeee..eeeeeeeee.....eee.......hhhhhhhhhh........................hhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh..............hhhhhhhhhh........eeeee.....eeeeeeee..eeeeeeeee.....ee.....ee.hhhhhhhhhhhh..............-----------------------------------------------------...........................eeeeeeeeee....eeeeeeee....eeeeeeee........hhhhhhhhhhhhh.........eeeeee...eeeeee.....hhhhhhh......hhhhhhhhhhhhhhhhhhhhhh.......hhh.eeeee..eeee..........--------------.....hhhhhhhh..hhhhhhhhhhhhhhhhhh..........hhhhhhhhhh..........hhhhhhhhhhh.........hhhhhhhhhhhhhhhhh.....--....... Sec.struct. author
             SAPs(SNPs) (1) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------L---------------LW------------------------------------------------------------------------------------------------------------------------------------------------R----------------------P---------------------------------------------------------------------------------------E----------------C-----------------------------------------V----------R----L----------------------------------------R--------------------------------------------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------H------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs) (2)
                    PROSITE --------SH2  PDB: A:10-102 UniProt: 10-102                                                           ------------------------------------------------------------SH2  PDB: A:163-254 UniProt: 163-254                                                        -----------------------------------------------------------------------------------------PROTEIN_KINASE_ATP        ---------------------------------------------------------------------------------------PROTEIN_KINAS-------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.3  PDB: A:2-134 UniProt: 1-134 [INCOMPLETE]                                                                                   Exon 1.6  PDB: A:135-188 UniProt: 135-188             ----------------------------------------------Exon 1.8  PDB: A:235-256      ---------------Exon 1.9e  PDB: - ------------------------------------------------------------------------------------------------------------------------------------Exon 1.10  PDB: A:430-487 UniProt: 430-494 [INCOMPLETE]          Exon 1.11a  PDB: A:502-541 UniProt: 495-541    Exon 1.11d  PDB: A:542-579            ------------------------------------ Transcript 1 (1)
           Transcript 1 (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Exon 1.7b  PDB: A:188-234 UniProt: 188-234     -----------------------------Exon 1.9a  PDB: -----------------Exon 1.9g  PDB: A:310-361 UniProt: 297-361 [INCOMPLETE]          -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Exon 1.12c  PDB: A:579-613 (gaps)     Transcript 1 (2)
           Transcript 1 (3) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Exon 1.9i  PDB: A:361-430 UniProt: 361-430                            ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (3)
                 2ozo A   2 PDPAAHLPFFYGSISRAEAEEHLKLAGMADGLFLLRQCLRSLGGYVLSLVHDVRFHHFPIERQLNGTYAIAGGKAHCGPAELCEFYSRDPDGLPCNLRKPCNRPSGLEPQPGVFDCLRDAMVRDYVRQTWKLEGEALEQAIISQAPQVEKLIATTAHERMPWYHSSLTREEAERKLYSGAQTDGKFLLRPRKEQGTYALSLIYGKTVYHYLISQDKAGKYCIPEGTKFDTLWQLVEYLKLKADGLIYCLKEACPN-----------------------------------------------------MDTSVFESPFSDPEELKDKKLFLKRDNLLIADIELGCGNFGSVRQGVYRMRKKQIDVAIKVLKQGTEKADTEEMMREAQIMHQLDNPYIVRLIGVCQAEALMLVMEMAGGGPLHKFLVGKREEIPVSNVAELLHQVSMGMKYLEEKNFVHRNLAARNVLLVNRHYAKISDFGLSKALG--------------PLKWYAPECINFRKFSSRSDVWSYGVTMWEALSYGQKPYKKMKGPEVMAFIEQGKRMECPPECPPELYALMSDCWIYKWEDRPDFLTVEQRMRACYYSLASKVEG--GSALEVA 613
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251    |    -         -         -         -         -       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481     |   -         -|      511       521       531       541       551       561       571       581       591       601    |  609    
                                                                                                                                                                                                                                                                                        256                                                   310                                                                                                                                                                              487            502                                                                                                     606  |      
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         607      

   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 2OZO)

(-) CATH Domains  (4, 5)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (2, 3)

Asymmetric/Biological Unit
(-)
Clan: PKinase (934)
(-)
Family: SH2 (119)
2aSH2-2ozoA02A:163-239
2bSH2-2ozoA03A:163-239

(-) Gene Ontology  (52, 52)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (ZAP70_HUMAN | P43403)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0004715    non-membrane spanning protein tyrosine kinase activity    Catalysis of the reaction: ATP + protein L-tyrosine = ADP + protein L-tyrosine phosphate by a non-membrane spanning protein.
    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:0001784    phosphotyrosine residue binding    Interacting selectively and non-covalently with a phosphorylated tyrosine residue within a protein.
    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:0004672    protein kinase activity    Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction: a protein + ATP = a phosphoprotein + ADP.
    GO:0004713    protein tyrosine kinase activity    Catalysis of the reaction: ATP + a protein tyrosine = ADP + protein tyrosine phosphate.
    GO:0005102    receptor binding    Interacting selectively and non-covalently with one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
    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:0042113    B cell activation    The change in morphology and behavior of a mature or immature B cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific.
    GO:0050853    B cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.
    GO:0042110    T cell activation    The change in morphology and behavior of a mature or immature T cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific.
    GO:0070489    T cell aggregation    The adhesion of one T cell to one or more other T cells via adhesion molecules.
    GO:0030217    T cell differentiation    The process in which a precursor cell type acquires characteristics of a more mature T-cell. A T cell is a type of lymphocyte whose definin characteristic is the expression of a T cell receptor complex.
    GO:0072678    T cell migration    The movement of a T cell within or between different tissues and organs of the body.
    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:0002250    adaptive immune response    An immune response mediated by cells expressing specific receptors for antigen produced through a somatic diversification process, and allowing for an enhanced secondary response to subsequent exposures to the same antigen (immunological memory).
    GO:0043366    beta selection    The process in which successful recombination of a T cell receptor beta chain into a translatable protein coding sequence leads to rescue from apoptosis and subsequent proliferation of an immature T cell.
    GO:0006955    immune response    Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.
    GO:0002376    immune system process    Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats.
    GO:0006954    inflammatory response    The immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents. The process is characterized by local vasodilation, extravasation of plasma into intercellular spaces and accumulation of white blood cells and macrophages.
    GO:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0035556    intracellular signal transduction    The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.
    GO:0002281    macrophage activation involved in immune response    A change in morphology and behavior of a macrophage resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.
    GO:0045060    negative thymic T cell selection    The process of elimination of immature T cells in the thymus which react strongly with self-antigens.
    GO:0002283    neutrophil activation involved in immune response    The change in morphology and behavior of a neutrophil resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor, leading to the initiation or perpetuation of an immune response.
    GO:0038083    peptidyl-tyrosine autophosphorylation    The phosphorylation by a protein of one or more of its own tyrosine amino acid residues, or a tyrosine residue on an identical protein.
    GO:0018108    peptidyl-tyrosine phosphorylation    The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.
    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:0045579    positive regulation of B cell differentiation    Any process that activates or increases the frequency, rate or extent of B cell differentiation.
    GO:0045582    positive regulation of T cell differentiation    Any process that activates or increases the frequency, rate or extent of T cell differentiation.
    GO:0046638    positive regulation of alpha-beta T cell differentiation    Any process that activates or increases the frequency, rate or extent of alpha-beta T cell differentiation.
    GO:0046641    positive regulation of alpha-beta T cell proliferation    Any process that activates or increases the frequency, rate or extent of alpha-beta T cell proliferation.
    GO:0050850    positive regulation of calcium-mediated signaling    Any process that activates or increases the frequency, rate or extent of calcium-mediated signaling.
    GO:0033630    positive regulation of cell adhesion mediated by integrin    Any process that activates or increases the frequency, rate, or extent of cell adhesion mediated by integrin.
    GO:0043306    positive regulation of mast cell degranulation    Any process that activates or increases the frequency, rate or extent of mast cell degranulation.
    GO:0045059    positive thymic T cell selection    The process of sparing immature T cells in the thymus which react with self-MHC protein complexes with low affinity levels from apoptotic death.
    GO:0046777    protein autophosphorylation    The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a protein.
    GO:0090330    regulation of platelet aggregation    Any process that modulates the rate, frequency or extent of platelet aggregation. Platelet aggregation is the adhesion of one platelet to one or more other platelets via adhesion molecules.
    GO:0045061    thymic T cell selection    The process of T cell selection that occurs in the thymus.
    GO:0007169    transmembrane receptor protein tyrosine kinase signaling pathway    A series of molecular signals initiated by the binding of an extracellular ligand to a receptor on the surface of the target cell where the receptor possesses tyrosine kinase activity, and ending with regulation of a downstream cellular process, e.g. transcription.
cellular component
    GO:0042101    T cell receptor complex    A protein complex that contains a disulfide-linked heterodimer of T cell receptor (TCR) chains, which are members of the immunoglobulin superfamily, and mediates antigen recognition, ultimately resulting in T cell activation. The TCR heterodimer is associated with the CD3 complex, which consists of the nonpolymorphic polypeptides gamma, delta, epsilon, zeta, and, in some cases, eta (an RNA splice variant of zeta) or Fc epsilon chains.
    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: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:0031234    extrinsic component of cytoplasmic side of plasma membrane    The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to its cytoplasmic surface, but not integrated into the hydrophobic region.
    GO:0001772    immunological synapse    An area of close contact between a lymphocyte (T-, B-, or natural killer cell) and a target cell formed through the clustering of particular signaling and adhesion molecules and their associated membrane rafts on both the lymphocyte and the target cell and facilitating activation of the lymphocyte, transfer of membrane from the target cell to the lymphocyte, and in some situations killing of the target cell through release of secretory granules and/or death-pathway ligand-receptor interaction.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0045121    membrane raft    Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.
    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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  269840
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        ZAP70_HUMAN | P434031fbv 1m61 1u59 2cbl 2oq1 2y1n 3zni 4a4b 4a4c 4k2r 4xz0 4xz1

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(no "Related Entries Specified in the PDB File" available for 2OZO)