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(-) Description

Title :  ANGIOPOIETIN-2/TIE2 COMPLEX CRYSTAL STRUCTURE
 
Authors :  W. A. Barton, D. B. Nikolov
Date :  09 May 06  (Deposition) - 06 Jun 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.70
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Receptor-Ligand Complex, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  W. A. Barton, D. Tzvetkova-Robev, E. P. Miranda, M. V. Kolev, K. R. Rajashankar, J. P. Himanen, D. B. Nikolov
Crystal Structures Of The Tie2 Receptor Ectodomain And The Angiopoietin-2-Tie2 Complex.
Nat. Struct. Mol. Biol. V. 13 524 2006
PubMed-ID: 16732286  |  Reference-DOI: 10.1038/NSMB1101

(-) Compounds

Molecule 1 - ANGIOPOIETIN-2
    ChainsA
    EngineeredYES
    Expression System Cell LineHEK 293
    Expression System VectorPCDNA3.1 (INVITROGEN)
    FragmentANGIOPOIETIN-2 RECEPTOR BINDING DOMAIN (RESIDUES 281-495)
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymANG-2
 
Molecule 2 - ANGIOPOIETIN-1 RECEPTOR
    ChainsB
    EC Number2.7.10.1
    EngineeredYES
    Expression System Cell LineHEK 293
    Expression System VectorPCDNA3.1 (INVITROGEN)
    FragmentTIE2 LIGAND-BINDING DOMAIN (RESIDUES 23-445)
    GeneTEK, TIE2
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymTYROSINE-PROTEIN KINASE RECEPTOR TIE-2, HTIE2, TYROSINE- PROTEIN KINASE RECEPTOR TEK, P140 TEK, TUNICA INTERNA ENDOTHELIAL CELL KINASE, CD202B ANTIGEN

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 12)

Asymmetric/Biological Unit (4, 12)
No.NameCountTypeFull Name
1CA1Ligand/IonCALCIUM ION
2NAG8Ligand/IonN-ACETYL-D-GLUCOSAMINE
3NDG1Ligand/Ion2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE
4SO42Ligand/IonSULFATE ION

(-) Sites  (12, 12)

Asymmetric Unit (12, 12)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASN B:140 , HIS B:177BINDING SITE FOR RESIDUE NAG B 1140
02AC2SOFTWAREASN B:158 , NAG B:1159BINDING SITE FOR RESIDUE NAG B 1158
03AC3SOFTWARENAG B:1158 , NAG B:1160BINDING SITE FOR RESIDUE NAG B 1159
04AC4SOFTWARENAG B:1159 , NDG B:1161BINDING SITE FOR RESIDUE NAG B 1160
05AC5SOFTWARENAG B:1160BINDING SITE FOR RESIDUE NDG B 1161
06AC6SOFTWAREASN B:399 , NAG B:1400BINDING SITE FOR RESIDUE NAG B 1399
07AC7SOFTWAREILE B:369 , NAG B:1399BINDING SITE FOR RESIDUE NAG B 1400
08AC8SOFTWAREASN B:438 , NAG B:1439BINDING SITE FOR RESIDUE NAG B 1438
09AC9SOFTWARENAG B:1438BINDING SITE FOR RESIDUE NAG B 1439
10BC1SOFTWAREASP A:429 , ASP A:431 , CYS A:433 , CYS A:435BINDING SITE FOR RESIDUE CA A 1
11BC2SOFTWAREARG B:112 , ARG B:114BINDING SITE FOR RESIDUE SO4 B 3
12BC3SOFTWARESER B:123 , ARG B:192 , TYR B:193 , GLY B:195 , GLY B:196 , THR B:200BINDING SITE FOR RESIDUE SO4 B 4

(-) SS Bonds  (17, 17)

Asymmetric/Biological Unit
No.Residues
1A:284 -A:313
2A:433 -A:435
3A:437 -A:450
4B:44 -B:102
5B:211 -B:220
6B:224 -B:233
7B:227 -B:240
8B:242 -B:251
9B:255 -B:264
10B:268 -B:274
11B:280 -B:287
12B:289 -B:298
13B:302 -B:311
14B:315 -B:323
15B:317 -B:329
16B:331 -B:340
17B:370 -B:424

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2GY7)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (8, 8)

Asymmetric/Biological Unit (8, 8)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_035714K117NTIE2_HUMANUnclassified  ---BK117N
2UniProtVAR_041855I148TTIE2_HUMANPolymorphism35969327BI148T
3UniProtVAR_041856A226VTIE2_HUMANPolymorphism35814893BA226V
4UniProtVAR_078046C233YTIE2_HUMANDisease (GLC3E)  ---BC233Y
5UniProtVAR_078047K294NTIE2_HUMANUnclassified (GLC3E)146169480BK294N
6UniProtVAR_049069V333IANGP2_HUMANPolymorphism7813215AV333I
7UniProtVAR_048002Q346PTIE2_HUMANPolymorphism682632BP346P
8UniProtVAR_048003T391ITIE2_HUMANPolymorphism34032300BT391I

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

(-) PROSITE Motifs  (4, 7)

Asymmetric/Biological Unit (4, 7)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EGF_3PS50026 EGF-like domain profile.TIE2_HUMAN216-252  1B:216-252
2EGF_1PS00022 EGF-like domain signature 1.TIE2_HUMAN240-251
287-298
329-340
  3B:240-251
B:287-298
B:329-340
3EGF_2PS01186 EGF-like domain signature 2.TIE2_HUMAN240-255
287-302
329-340
  3B:240-255
B:287-302
B:329-340
4FIBRINOGEN_C_1PS00514 Fibrinogen C-terminal domain signature.ANGP2_HUMAN445-457  1A:445-457

(-) Exons   (14, 14)

Asymmetric/Biological Unit (14, 14)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000003252031aENSE00001949798chr8:6420930-6420168763ANGP2_HUMAN1-96960--
1.2ENST000003252032ENSE00000924724chr8:6390008-6389853156ANGP2_HUMAN97-148520--
1.3ENST000003252033ENSE00000924725chr8:6385197-6385076122ANGP2_HUMAN149-189410--
1.4ENST000003252034ENSE00000924726chr8:6378931-6378699233ANGP2_HUMAN189-267790--
1.5aENST000003252035aENSE00001121511chr8:6377515-6377385131ANGP2_HUMAN267-310441A:280-31031
1.6ENST000003252036ENSE00000979541chr8:6372299-6372198102ANGP2_HUMAN311-344341A:311-34434
1.7ENST000003252037ENSE00001121499chr8:6371365-6371199167ANGP2_HUMAN345-400561A:345-40056
1.8aENST000003252038aENSE00000979543chr8:6366583-6366453131ANGP2_HUMAN400-444451A:400-44445
1.9cENST000003252039cENSE00001854410chr8:6360782-63571723611ANGP2_HUMAN444-496531A:444-49552

2.1bENST000003800361bENSE00001483540chr9:27109147-27109640494TIE2_HUMAN1-18180--
2.2ENST000003800362ENSE00001374032chr9:27157829-27158140312TIE2_HUMAN18-1221051B:23-122100
2.3ENST000003800363ENSE00000813529chr9:27168493-27168603111TIE2_HUMAN122-159381B:122-15938
2.4aENST000003800364aENSE00000813530chr9:27169475-27169627153TIE2_HUMAN159-210521B:159-21052
2.5ENST000003800365ENSE00000813531chr9:27172614-27172745132TIE2_HUMAN210-254451B:210-25445
2.6ENST000003800366ENSE00000813532chr9:27173220-27173360141TIE2_HUMAN254-301481B:254-30148
2.7aENST000003800367aENSE00000813533chr9:27180238-27180366129TIE2_HUMAN301-344441B:301-34444
2.8ENST000003800368ENSE00001749181chr9:27183457-27183608152TIE2_HUMAN344-394511B:344-39451
2.9ENST000003800369ENSE00001621905chr9:27185483-27185627145TIE2_HUMAN395-443491B:395-44349
2.10ENST0000038003610ENSE00001614493chr9:27190527-27190688162TIE2_HUMAN443-497551B:443-4453
2.11ENST0000038003611ENSE00001750035chr9:27192487-27192621135TIE2_HUMAN497-542460--
2.12ENST0000038003612ENSE00001637869chr9:27197313-27197597285TIE2_HUMAN542-637960--
2.13bENST0000038003613bENSE00001711672chr9:27202818-27203117300TIE2_HUMAN637-7371010--
2.14bENST0000038003614bENSE00001748389chr9:27204909-27205063155TIE2_HUMAN737-788520--
2.15ENST0000038003615ENSE00001695490chr9:27206580-27206790211TIE2_HUMAN789-859710--
2.16ENST0000038003616ENSE00001621003chr9:27209119-27209229111TIE2_HUMAN859-896380--
2.17ENST0000038003617ENSE00001797382chr9:27212705-27212895191TIE2_HUMAN896-959640--
2.18ENST0000038003618ENSE00001617075chr9:27213482-27213595114TIE2_HUMAN960-997380--
2.19ENST0000038003619ENSE00001635180chr9:27217686-2721775671TIE2_HUMAN998-1021240--
2.20ENST0000038003620ENSE00001599995chr9:27218775-2721881541TIE2_HUMAN1021-1035150--
2.21ENST0000038003621ENSE00001720679chr9:27220047-2722014397TIE2_HUMAN1035-1067330--
2.22ENST0000038003622ENSE00001712731chr9:27228204-27228303100TIE2_HUMAN1067-1100340--
2.23eENST0000038003623eENSE00001838203chr9:27229156-272301731018TIE2_HUMAN1101-1124240--

(-) 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:216
 aligned with ANGP2_HUMAN | O15123 from UniProtKB/Swiss-Prot  Length:496

    Alignment length:216
                                   289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439       449       459       469       479       489      
          ANGP2_HUMAN   280 SFRDCAEVFKSGHTTNGIYTLTFPNSTEEIKAYCDMEAGGGGWTIIQRREDGSVDFQRTWKEYKVGFGNPSGEYWLGNEFVSQLTNQQRYVLKIHLKDWEGNEAYSLYEHFYLSSEELNYRIHLKGLTGTAGKISSISQPGNDFSTKDGDNDKCICKCSQMLTGGWWFDACGPSNLNGMYYPQRQNTNKFNGIKWYYWKGSGYSLKATTMMIRPAD 495
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains 2gy7A01 A:280-410,A:486-495 Gamma Fibrinogen, chain A, domain 1                                                                    2gy7A02 A:411-485 Gamma-fibrinogen Carboxyl Terminal Fragment, domain 2    2gy7A01    CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...hhhhhhhh.....eeeeee......eeeeee.........eeee.............hhhhhh..........hhhhhhhhhhh..eeeeeeeee...eeeeeeeeeee..........eeeeeee...........................hhhhhhh..................hhhhh........hhhhh.......eeeeee.... Sec.struct. author
                 SAPs(SNPs) -----------------------------------------------------I------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------FIBRINOGEN_C_-------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.5a  PDB: A:280-310      Exon 1.6  PDB: A:311-344          Exon 1.7  PDB: A:345-400 UniProt: 345-400               -------------------------------------------Exon 1.9c  PDB: A:444-495 UniProt: 444-496           Transcript 1 (1)
           Transcript 1 (2) ------------------------------------------------------------------------------------------------------------------------Exon 1.8a  PDB: A:400-444 UniProt: 400-444   --------------------------------------------------- Transcript 1 (2)
                 2gy7 A 280 EFRDCAEVFKSGHTTNGIYTLTFPNSTEEIKAYCDMEAGGGGWTIIQRREDGSVDFQRTWKEYKVGFGNPSGEYWLGNEFVSQLTNQQRYVLKIHLKDWEGNEAYSLYEHFYLSSEELNYRIHLKGLTGTAGKISSISQPGNDFSTKDGDNDKCICKCSQMLTGGWWFDACGPSNLNGMYYPQRQNTNKFNGIKWYYWKGSGYSLKATTMMIRPAD 495
                                   289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439       449       459       469       479       489      

Chain B from PDB  Type:PROTEIN  Length:423
 aligned with TIE2_HUMAN | Q02763 from UniProtKB/Swiss-Prot  Length:1124

    Alignment length:423
                                    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   
           TIE2_HUMAN    23 AMDLILINSLPLVSDAETSLTCIASGWRPHEPITIGRDFEALMNQHQDPLEVTQDVTREWAKKVVWKREKASKINGAYFCEGRVRGEAIRIRTMKMRQQASFLPATLTMTVDKGDNVNISFKKVLIKEEDAVIYKNGSFIHSVPRHEVPDILEVHLPHAQPQDAGVYSARYIGGNLFTSAFTRLIVRRCEAQKWGPECNHLCTACMNNGVCHEDTGECICPPGFMGRTCEKACELHTFGRTCKERCSGQEGCKSYVFCLPDPYGCSCATGWKGLQCNEACHPGFYGPDCKLRCSCNNGEMCDRFQGCLCSPGWQGLQCEREGIQRMTPKIVDLPDHIEVNSGKFNPICKASGWPLPTNEEMTLVKPDGTVLHPKDFNHTDHFSVAIFTIHRILPPDSGVWVCSVNTVAGMVEKPFNISVKVLP 445
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 2gy7B01 B:23-121 Immunoglobulins                                                                   2gy7B02 B:122-211 Immunoglobulins                                                         2gy7B03 B:212-346 Tie2 ligand-binding domain superfamily                                                                               2gy7B04 B:347-445 Immunoglobulins                                                                   CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee..ee....eeeeeee...........ee...............eee.....eeeeee.........eeee.............eeeee....ee......eee....ee...ee.......eeeee..eeeeeehhhhh......ee...hhhhheeeeeee...........eeeee.....ee.....ee........ee......ee....ee.....ee....ee.....ee.........eeeee....eeee..................hhhhh..........ee...ee.....ee.....ee....................eee..eeee......hhh.eeee.....ee...ee......eeee..eeeehhhhheeeeeeeee..eeeeeeeee...... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------N------------------------------T-----------------------------------------------------------------------------V------Y------------------------------------------------------------N---------------------------------------------------P--------------------------------------------I------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EGF_3  PDB: B:216-252                ----------------------------------EGF_2           --------------------------EGF_2       --------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EGF_2           -------------------------------EGF_1       ------------------------------EGF_1       --------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EGF_1       -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
           Transcript 2 (1) Exon 2.2  PDB: B:23-122 UniProt: 18-122 [INCOMPLETE]                                                ------------------------------------Exon 2.4a  PDB: B:159-210 UniProt: 159-210          -------------------------------------------Exon 2.6  PDB: B:254-301 UniProt: 254-301       ------------------------------------------Exon 2.8  PDB: B:344-394 UniProt: 344-394          ------------------------------------------------2.1 Transcript 2 (1)
           Transcript 2 (2) ---------------------------------------------------------------------------------------------------Exon 2.3  PDB: B:122-159              --------------------------------------------------Exon 2.5  PDB: B:210-254 UniProt: 210-254    ----------------------------------------------Exon 2.7a  PDB: B:301-344 UniProt: 301-344  --------------------------------------------------Exon 2.9  PDB: B:395-443 UniProt: 395-443        -- Transcript 2 (2)
                 2gy7 B  23 AMDLILINSLPLVSDAETSLTCIASGWRPHEPITIGRDFEALMNQHQDPLEVTQDVTREWAKKVVWKREKASKINGAYFCEGRVRGEAIRIRTMKMRQQASFLPATLTMTVDKGDNVNISFKKVLIKEEDAVIYKNGSFIHSVPRHEVPDILEVHLPHAQPQDAGVYSARYIGGNLFTSAFTRLIVRRCEAQKWGPECNHLCTACMNNGVCHEDTGECICPPGFMGRTCEKACELHTFGRTCKERCSGQEGCKSYVFCLPDPYGCSCATGWKGLQCNEACHPGFYGPDCKLRCSCNNGEMCDRFQGCLCSPGWQGLQCEREGIPRMTPKIVDLPDHIEVNSGKFNPICKASGWPLPTNEEMTLVKPDGTVLHPKDFNHTDHFSVAIFTIHRILPPDSGVWVCSVNTVAGMVEKPFNISVKVLP 445
                                    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   

   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 2GY7)

(-) CATH Domains  (4, 6)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2GY7)

(-) Gene Ontology  (95, 106)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (ANGP2_HUMAN | O15123)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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: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:0030971    receptor tyrosine kinase binding    Interacting selectively and non-covalently with a receptor that possesses protein tyrosine kinase activity.
biological process
    GO:0048014    Tie signaling pathway    The series of molecular signals generated as a consequence of a Tie protein (a receptor) binding to one of its physiological ligands (an angiopoietin).
    GO:0001525    angiogenesis    Blood vessel formation when new vessels emerge from the proliferation of pre-existing blood vessels.
    GO:0031100    animal organ regeneration    The regrowth of a lost or destroyed animal organ.
    GO:0048514    blood vessel morphogenesis    The process in which the anatomical structures of blood vessels are generated and organized. The blood vessel is the vasculature carrying blood.
    GO:0030154    cell differentiation    The process in which relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.
    GO:0071363    cellular response to growth factor 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 a growth factor stimulus.
    GO:0007281    germ cell development    The process whose specific outcome is the progression of an immature germ cell over time, from its formation to the mature structure (gamete). A germ cell is any reproductive cell in a multicellular organism.
    GO:0072012    glomerulus vasculature development    The biological process whose specific outcome is the progression of a glomerulus vasculature from an initial condition to its mature state. This process begins with the formation of the glomerulus vasculature and ends with the mature structure. The glomerulus vasculature is composed of the tubule structures that carry blood or lymph in the glomerulus.
    GO:0050900    leukocyte migration    The movement of a leukocyte within or between different tissues and organs of the body.
    GO:0060135    maternal process involved in female pregnancy    A reproductive process occurring in the mother that allows an embryo or fetus to develop within it.
    GO:0007275    multicellular organism development    The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
    GO:0016525    negative regulation of angiogenesis    Any process that stops, prevents, or reduces the frequency, rate or extent of angiogenesis.
    GO:0043537    negative regulation of blood vessel endothelial cell migration    Any process that stops, prevents, or reduces the frequency, rate or extent of the migration of the endothelial cells of blood vessels.
    GO:0010812    negative regulation of cell-substrate adhesion    Any process that decreases the frequency, rate or extent of cell-substrate adhesion. Cell-substrate adhesion is the attachment of a cell to the underlying substrate via adhesion molecules.
    GO:0050928    negative regulation of positive chemotaxis    Any process that stops, prevents, or reduces the frequency, rate or extent of the directed movement of a motile cell or organism towards a higher concentration in a concentration gradient of a specific chemical.
    GO:0045766    positive regulation of angiogenesis    Any process that activates or increases angiogenesis.
    GO:0014823    response to activity    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 an activity stimulus.
    GO:0009749    response to glucose    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 glucose stimulus.
    GO:0001666    response to hypoxia    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 lowered oxygen tension. Hypoxia, defined as a decline in O2 levels below normoxic levels of 20.8 - 20.95%, results in metabolic adaptation at both the cellular and organismal level.
    GO:0009612    response to mechanical stimulus    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 mechanical stimulus.
    GO:0014070    response to organic cyclic compound    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 an organic cyclic compound stimulus.
    GO:0009314    response to radiation    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 an electromagnetic radiation stimulus. Electromagnetic radiation is a propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of propagation.
    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.
cellular component
    GO:0042995    cell projection    A prolongation or process extending from a cell, e.g. a flagellum or axon.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain B   (TIE2_HUMAN | Q02763)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0005088    Ras guanyl-nucleotide exchange factor activity    Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Ras superfamily. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
    GO:0019838    growth factor binding    Interacting selectively and non-covalently with any growth factor, proteins or polypeptides that stimulate a cell or organism to grow or proliferate.
    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: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:0004872    receptor activity    Combining with an extracellular or intracellular messenger to initiate a change in cell activity.
    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.
    GO:0004714    transmembrane receptor protein tyrosine kinase activity    Combining with a signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity by catalysis of the reaction: ATP + a protein-L-tyrosine = ADP + a protein-L-tyrosine phosphate.
biological process
    GO:0000165    MAPK cascade    An intracellular protein kinase cascade containing at least a MAPK, a MAPKK and a MAP3K. The cascade can also contain two additional tiers: the upstream MAP4K and the downstream MAP Kinase-activated kinase (MAPKAPK). The kinases in each tier phosphorylate and activate the kinases in the downstream tier to transmit a signal within a cell.
    GO:0048014    Tie signaling pathway    The series of molecular signals generated as a consequence of a Tie protein (a receptor) binding to one of its physiological ligands (an angiopoietin).
    GO:0001525    angiogenesis    Blood vessel formation when new vessels emerge from the proliferation of pre-existing blood vessels.
    GO:0031100    animal organ regeneration    The regrowth of a lost or destroyed animal organ.
    GO:0007267    cell-cell signaling    Any process that mediates the transfer of information from one cell to another. This process includes signal transduction in the receiving cell and, where applicable, release of a ligand and any processes that actively facilitate its transport and presentation to the receiving cell. Examples include signaling via soluble ligands, via cell adhesion molecules and via gap junctions.
    GO:0060216    definitive hemopoiesis    A second wave of blood cell production that, in vertebrates, generates long-term hemopoietic stem cells that continously provide erythroid, myeloid and lymphoid lineages throughout adulthood.
    GO:0001958    endochondral ossification    Replacement ossification wherein bone tissue replaces cartilage.
    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:0007507    heart development    The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
    GO:0060347    heart trabecula formation    The process of creating a trabecula in the heart. A trabecula is a tissue element in the form of a small beam, strut or rod.
    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:0050900    leukocyte migration    The movement of a leukocyte within or between different tissues and organs of the body.
    GO:0016525    negative regulation of angiogenesis    Any process that stops, prevents, or reduces the frequency, rate or extent of angiogenesis.
    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:2000352    negative regulation of endothelial cell apoptotic process    Any process that stops, prevents or reduces the frequency, rate or extent of endothelial cell apoptotic process.
    GO:0050728    negative regulation of inflammatory response    Any process that stops, prevents, or reduces the frequency, rate or extent of the inflammatory response.
    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:0070374    positive regulation of ERK1 and ERK2 cascade    Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.
    GO:0043547    positive regulation of GTPase activity    Any process that activates or increases the activity of a GTPase.
    GO:2000251    positive regulation of actin cytoskeleton reorganization    Any process that activates or increases the frequency, rate or extent of actin cytoskeleton reorganization.
    GO:0045766    positive regulation of angiogenesis    Any process that activates or increases angiogenesis.
    GO:0010595    positive regulation of endothelial cell migration    Any process that increases the rate, frequency, or extent of the orderly movement of an endothelial cell into the extracellular matrix to form an endothelium.
    GO:0001938    positive regulation of endothelial cell proliferation    Any process that activates or increases the rate or extent of endothelial cell proliferation.
    GO:0051894    positive regulation of focal adhesion assembly    Any process that activates or increases the frequency, rate or extent of focal adhesion assembly, the establishment and maturation of focal adhesions.
    GO:1902533    positive regulation of intracellular signal transduction    Any process that activates or increases the frequency, rate or extent of intracellular signal transduction.
    GO:0043552    positive regulation of phosphatidylinositol 3-kinase activity    Any process that activates or increases the frequency, rate or extent of phosphatidylinositol 3-kinase activity.
    GO:0014068    positive regulation of phosphatidylinositol 3-kinase signaling    Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the phosphatidylinositol 3-kinase cascade.
    GO:0051897    positive regulation of protein kinase B signaling    Any process that activates or increases the frequency, rate or extent of protein kinase B signaling, a series of reactions mediated by the intracellular serine/threonine kinase protein kinase B.
    GO:0001934    positive regulation of protein phosphorylation    Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.
    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:0051259    protein oligomerization    The process of creating protein oligomers, compounds composed of a small number, usually between three and ten, of component monomers; protein oligomers may be composed of different or identical monomers. Oligomers may be formed by the polymerization of a number of monomers or the depolymerization of a large protein polymer.
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a protein.
    GO:2000351    regulation of endothelial cell apoptotic process    Any process that modulates the frequency, rate or extent of endothelial cell apoptotic process.
    GO:0032878    regulation of establishment or maintenance of cell polarity    Any process that modulates the frequency, rate or extent of the specification, formation or maintenance of anisotropic intracellular organization or cell growth patterns.
    GO:0043114    regulation of vascular permeability    Any process that modulates the extent to which blood vessels can be pervaded by fluid.
    GO:0051591    response to cAMP    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 cAMP (cyclic AMP, adenosine 3',5'-cyclophosphate) stimulus.
    GO:0043627    response to estrogen    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 stimulus by an estrogen, C18 steroid hormones that can stimulate the development of female sexual characteristics.
    GO:0001666    response to hypoxia    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 lowered oxygen tension. Hypoxia, defined as a decline in O2 levels below normoxic levels of 20.8 - 20.95%, results in metabolic adaptation at both the cellular and organismal level.
    GO:0010033    response to organic substance    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 an organic substance stimulus.
    GO:0043434    response to peptide hormone    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 peptide hormone stimulus. A peptide hormone is any of a class of peptides that are secreted into the blood stream and have endocrine functions in living animals.
    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:0002040    sprouting angiogenesis    The extension of new blood vessels from existing capillaries into avascular tissues resulting from the proliferation of blood vessel endothelial cells.
    GO:0034446    substrate adhesion-dependent cell spreading    The morphogenetic process that results in flattening of a cell as a consequence of its adhesion to a substrate.
    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:0005884    actin filament    A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane.
    GO:0016324    apical plasma membrane    The region of the plasma membrane located at the apical end of the cell.
    GO:0009925    basal plasma membrane    The region of the plasma membrane located at the basal end of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
    GO:0016323    basolateral plasma membrane    The region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis.
    GO:0030054    cell junction    A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.
    GO:0009986    cell surface    The external part of the cell wall and/or plasma membrane.
    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:0005856    cytoskeleton    Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    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:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0005887    integral component of plasma membrane    The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    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:0005902    microvillus    Thin cylindrical membrane-covered projections on the surface of an animal cell containing a core bundle of actin filaments. Present in especially large numbers on the absorptive surface of intestinal cells.
    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.
    GO:0001725    stress fiber    A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber.

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 Related Entries

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

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        ANGP2_HUMAN | O151231z3s 1z3u 4jzc 4zfg
        TIE2_HUMAN | Q027631fvr 2gy5 2oo8 2osc 2p4i 2wqb 3bea 3l8p 4k0v 4x3j 5mya 5myb 5utk

(-) Related Entries Specified in the PDB File

1z3s ANGIOPOIETIN-2 RECEPTOR-BINDING DOMAIN
2gy5 TIE2 LIGAND-BINDING DOMAIN