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(-) Description

Title :  STRUCTURE OF NK CELL RECEPTOR KLRG1 BOUND TO E-CADHERIN
 
Authors :  Y. Li, R. A. Mariuzza
Date :  02 Dec 08  (Deposition) - 28 Jul 09  (Release) - 28 Jul 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Klrg1-Cadherin Complex, Calcium, Cell Adhesion, Cell Junction, Cell Membrane, Cleavage On Pair Of Basic Residues, Disease Mutation, Glycoprotein, Membrane, Phosphoprotein, Polymorphism, Transmembrane, Lectin, Receptor, Signal-Anchor, Cell Adhesion/Immune System Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Y. Li, M. Hofmann, Q. Wang, L. Teng, L. K. Chlewicki, H. Pircher, R. A. Mariuzza
Structure Of Natural Killer Cell Receptor Klrg1 Bound To E-Cadherin Reveals Basis For Mhc-Independent Missing Self Recognition.
Immunity V. 31 35 2009
PubMed-ID: 19604491  |  Reference-DOI: 10.1016/J.IMMUNI.2009.04.019
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - EPITHELIAL CADHERIN
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    FragmentUNP RESIDUES 155-254, CADHERIN 1 DOMAIN
    GeneCDH1, CDHE, UVO
    MutationYES
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymE-CADHERIN, CADHERIN-1, UVOMORULIN, CAM 120/80, E- CAD/CTF1, E-CAD/CTF2, E-CAD/CTF3
 
Molecule 2 - KILLER CELL LECTIN-LIKE RECEPTOR SUBFAMILY G MEMBER 1
    ChainsC, D
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    FragmentUNP RESIDUES 75-188, C-TYPE LECTIN DOMAIN
    GeneKLRG1, MAFA
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    SynonymMAST CELL FUNCTION-ASSOCIATED ANTIGEN 2F1, MAST CELL FUNCTION-ASSOCIATED ANTIGEN

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 3)

Asymmetric/Biological Unit (1, 3)
No.NameCountTypeFull Name
1CA3Ligand/IonCALCIUM ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:11 , ASP A:67 , GLU A:69 , HOH A:246BINDING SITE FOR RESIDUE CA A 101
2AC2SOFTWAREGLU A:11 , GLU A:69 , ASP A:100BINDING SITE FOR RESIDUE CA A 102
3AC3SOFTWAREGLU B:11 , ASP B:67 , GLU B:69BINDING SITE FOR RESIDUE CA B 101

(-) SS Bonds  (5, 5)

Asymmetric/Biological Unit
No.Residues
1C:75 -C:86
2C:103 -C:184
3C:163 -C:176
4D:103 -D:184
5D:163 -D:176

(-) Cis Peptide Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1Gly A:15 -Pro A:16
2Phe A:17 -Pro A:18
3Pro A:46 -Pro A:47
4Gly B:15 -Pro B:16
5Phe B:17 -Pro B:18
6Pro B:46 -Pro B:47

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (2, 4)

Asymmetric/Biological Unit (2, 4)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_001307T193PCADH1_HUMANUnclassified  ---A/BT39P
2UniProtVAR_008712D244GCADH1_HUMANDisease (HDGC)  ---A/BD90G

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

(-) PROSITE Motifs  (3, 6)

Asymmetric/Biological Unit (3, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1C_TYPE_LECTIN_2PS50041 C-type lectin domain profile.KLRG1_MOUSE82-184
 
  2C:82-185
D:82-185
2CADHERIN_2PS50268 Cadherins domain profile.CADH1_HUMAN180-262
 
263-375
376-486
487-595
594-702
  2A:26-100
B:26-99
-
-
-
-
3CADHERIN_1PS00232 Cadherin domain signature.CADH1_HUMAN250-260
 
363-373
583-593
  2A:96-100
B:96-99
-
-

(-) Exons   (3, 6)

Asymmetric/Biological Unit (3, 6)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000002617691aENSE00001859184chr16:68771128-68771366239CADH1_HUMAN1-16160--
1.2ENST000002617692ENSE00000844392chr16:68772200-68772314115CADH1_HUMAN17-55390--
1.3bENST000002617693bENSE00000946584chr16:68835573-68835796224CADH1_HUMAN55-129750--
1.4bENST000002617694bENSE00000946585chr16:68842327-68842470144CADH1_HUMAN130-177482A:0-23
B:0-23
24
24
1.5ENST000002617695ENSE00000946586chr16:68842596-68842751156CADH1_HUMAN178-229522A:24-75
B:24-75
52
52
1.6ENST000002617696ENSE00000946587chr16:68844100-68844244145CADH1_HUMAN230-278492A:76-100
B:76-99
25
24
1.7ENST000002617697ENSE00000946588chr16:68845587-68845762176CADH1_HUMAN278-336590--
1.8ENST000002617698ENSE00000946589chr16:68846038-68846166129CADH1_HUMAN337-379430--
1.9ENST000002617699ENSE00000946590chr16:68847216-68847398183CADH1_HUMAN380-440610--
1.11ENST0000026176911ENSE00002191003chr16:68849418-68849662245CADH1_HUMAN441-522820--
1.12ENST0000026176912ENSE00001694152chr16:68853183-68853328146CADH1_HUMAN522-571500--
1.13ENST0000026176913ENSE00001754940chr16:68855904-68856128225CADH1_HUMAN571-646760--
1.14ENST0000026176914ENSE00001721514chr16:68857302-68857529228CADH1_HUMAN646-722770--
1.15ENST0000026176915ENSE00001736533chr16:68862077-68862207131CADH1_HUMAN722-765440--
1.16ENST0000026176916ENSE00001782571chr16:68863557-68863700144CADH1_HUMAN766-813480--
1.17bENST0000026176917bENSE00001930498chr16:68867193-688694372245CADH1_HUMAN814-882690--

(-) 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:101
 aligned with CADH1_HUMAN | P12830 from UniProtKB/Swiss-Prot  Length:882

    Alignment length:101
                                   163       173       183       193       203       213       223       233       243       253 
          CADH1_HUMAN   154 RDWVIPPISCPENEKGPFPKNLVQIKSNKDKEGKVFYSITGQGADTPPVGVFIIERETGWLKVTEPLDRERIATYTLFSHAVSSNGNAVEDPMEILITVTD 254
               SCOP domains d3ff8a_ A: E-cadherin (epithelial)                                                                    SCOP domains
               CATH domains 3ff8A00 A:0-100 Cadherins                                                                             CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.....ee........eeeee.ee.hhhh...eeeee...........eee.....eeee..........eeeeeeeee..........eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------P--------------------------------------------------G---------- SAPs(SNPs)
                PROSITE (2) --------------------------CADHERIN_2  PDB: A:26-100 UniProt: 180-262                                  PROSITE (2)
                PROSITE (1) ------------------------------------------------------------------------------------------------CADHE PROSITE (1)
               Transcript 1 Exon 1.4b  PDB: A:0-23  Exon 1.5  PDB: A:24-75 UniProt: 178-229             Exon 1.6  PDB: A:76-100   Transcript 1
                 3ff8 A   0 MDWVIPPISLPENEKGPFPKNLVQIKSNKDKEGKVFYSITGQGADTPPVGVFIIERETGWLKVTEPLDRERIATYTLFSHAVSSNGNAVEDPMEILITVTD 100
                                     9        19        29        39        49        59        69        79        89        99 

Chain B from PDB  Type:PROTEIN  Length:100
 aligned with CADH1_HUMAN | P12830 from UniProtKB/Swiss-Prot  Length:882

    Alignment length:100
                                   163       173       183       193       203       213       223       233       243       253
          CADH1_HUMAN   154 RDWVIPPISCPENEKGPFPKNLVQIKSNKDKEGKVFYSITGQGADTPPVGVFIIERETGWLKVTEPLDRERIATYTLFSHAVSSNGNAVEDPMEILITVT 253
               SCOP domains d3ff8b_ B: E-cadherin (epithelial)                                                                   SCOP domains
               CATH domains 3ff8B00 B:0-99 Cadherins                                                                             CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee.....ee........eeeee.ee.hhhh...eeeeee..........eee.....eeee..........eeeeeeeee..........eeeeeeee Sec.struct. author
                 SAPs(SNPs) ---------------------------------------P--------------------------------------------------G--------- SAPs(SNPs)
                PROSITE (2) --------------------------CADHERIN_2  PDB: B:26-99 UniProt: 180-262                                  PROSITE (2)
                PROSITE (1) ------------------------------------------------------------------------------------------------CADH PROSITE (1)
               Transcript 1 Exon 1.4b  PDB: B:0-23  Exon 1.5  PDB: B:24-75 UniProt: 178-229             Exon 1.6  PDB: B:76-99   Transcript 1
                 3ff8 B   0 MDWVIPPISLPENEKGPFPKNLVQIKSNKDKEGKVFYSITGQGADTPPVGVFIIERETGWLKVTEPLDRERIATYTLFSHAVSSNGNAVEDPMEILITVT  99
                                     9        19        29        39        49        59        69        79        89        99

Chain C from PDB  Type:PROTEIN  Length:111
 aligned with KLRG1_MOUSE | O88713 from UniProtKB/Swiss-Prot  Length:188

    Alignment length:111
                                    84        94       104       114       124       134       144       154       164       174       184 
          KLRG1_MOUSE    75 CPILWTRNGSHCYYFSMEKKDWNSSLKFCADKGSHLLTFPDNQGVKLFGEYLGQDFYWIGLRNIDGWRWEGGPALSLRILTNSLIQRCGAIHRNGLQASSCEVALQWICKK 185
               SCOP domains d3ff8c_ C: automated matches                                                                                    SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeee..eeeee.....hhhhhhhhhhhh..ee.......hhhhhhhhh....eeeeeee...eee..................eeeee..eeeee......eeeeee Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------C_TYPE_LECTIN_2  PDB: C:82-185 UniProt: 82-184                                                         - PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------- Transcript
                 3ff8 C  75 CPILWTRNGSHCYYFSMEKKDWNSSLKFCADKGSHLLTFPDNQGVKLFGEYLGQDFYWIGLRNIDGWRWEGGPALSLRILTNSLIQRCGAIHRNGLQASSCEVALQWICKK 186
                                    84        94       104       114       124       134       144      |155       165       175       185 
                                                                                                      151|                                 
                                                                                                       153                                 

Chain D from PDB  Type:PROTEIN  Length:113
 aligned with KLRG1_MOUSE | O88713 from UniProtKB/Swiss-Prot  Length:188

    Alignment length:113
                                    84        94       104       114       124       134       144       154       164       174       184   
          KLRG1_MOUSE    75 CPILWTRNGSHCYYFSMEKKDWNSSLKFCADKGSHLLTFPDNQGVKLFGEYLGQDFYWIGLRNIDGWRWEGGPALSLRILTNSLIQRCGAIHRNGLQASSCEVALQWICKKVL 187
               SCOP domains d3ff8d_ D: automated matches                                                                                      SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eee..eeeee.....hhhhhhhhhhhh..ee.......hhhhhhhhh....eeeeeee...eee.........ee.......eeeee..eeeee......eeeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------C_TYPE_LECTIN_2  PDB: D:82-185 UniProt: 82-184                                                         --- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------- Transcript
                 3ff8 D  75 CPILWTRNGSHCYYFSMEKKDWNSSLKFCADKGSHLLTFPDNQGVKLFGEYLGQDFYWIGLRNIDGWRWEGGPALSLRILTNSLIQRCGAIHRNGLQASSCEVALQWICKKVL 188
                                    84        94       104       114       124       134       144      |155       165       175       185   
                                                                                                      151|                                   
                                                                                                       153                                   

   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  (2, 4)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3FF8)

(-) Gene Ontology  (54, 57)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CADH1_HUMAN | P12830)
molecular function
    GO:0032794    GTPase activating protein binding    Interacting selectively and non-covalently with a GTPase activating protein.
    GO:0030506    ankyrin binding    Interacting selectively and non-covalently with ankyrin, a 200 kDa cytoskeletal protein that attaches other cytoskeletal proteins to integral membrane proteins.
    GO:0008013    beta-catenin binding    Interacting selectively and non-covalently with the beta subunit of the catenin complex.
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0050839    cell adhesion molecule binding    Interacting selectively and non-covalently with a cell adhesion molecule.
    GO:0045295    gamma-catenin binding    Interacting selectively and non-covalently with the gamma subunit of the catenin complex.
    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).
biological process
    GO:0034332    adherens junction organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an adherens junction. An adherens junction is a cell junction at which the cytoplasmic face of the plasma membrane is attached to actin filaments.
    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:0071681    cellular response to indole-3-methanol    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 indole-3-methanol stimulus.
    GO:0071285    cellular response to lithium ion    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 lithium (Li+) ion stimulus.
    GO:0090002    establishment of protein localization to plasma membrane    The directed movement of a protein to a specific location in the plasma membrane.
    GO:0022617    extracellular matrix disassembly    A process that results in the breakdown of the extracellular matrix.
    GO:0030198    extracellular matrix organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an extracellular matrix.
    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:0022408    negative regulation of cell-cell adhesion    Any process that stops, prevents or reduces the rate or extent of cell adhesion to another cell.
    GO:0031175    neuron projection development    The process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
    GO:0021983    pituitary gland development    The progression of the pituitary gland over time from its initial formation until its mature state. The pituitary gland is an endocrine gland that secretes hormones that regulate many other glands.
    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:0045893    positive regulation of transcription, DNA-templated    Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0072659    protein localization to plasma membrane    A process in which a protein is transported to, or maintained in, a specific location in the plasma membrane.
    GO:0042493    response to drug    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 drug stimulus. A drug is a substance used in the diagnosis, treatment or prevention of a disease.
    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:0009636    response to toxic 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 a toxic stimulus.
    GO:0016337    single organismal cell-cell adhesion    The attachment of one cell to another cell via adhesion molecules, where both cells are part of the same organism.
    GO:0007416    synapse assembly    The aggregation, arrangement and bonding together of a set of components to form a synapse. This process ends when the synapse is mature (functional).
cellular component
    GO:0005794    Golgi apparatus    A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
    GO:0015629    actin cytoskeleton    The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.
    GO:0016235    aggresome    An inclusion body formed by dynein-dependent retrograde transport of an aggregated protein on microtubules.
    GO:0043296    apical junction complex    A functional unit located near the cell apex at the points of contact between epithelial cells, which in vertebrates is composed of the tight junction, the zonula adherens, and desmosomes and in some invertebrates, such as Drosophila, is composed of the subapical complex (SAC), the zonula adherens and the septate junction. Functions in the regulation of cell polarity, tissue integrity and intercellular adhesion and permeability.
    GO:0016342    catenin complex    Complex of peripheral cytoplasmic proteins (alpha-, beta- and gamma-catenin) that interact with the cytoplasmic region of uvomorulin/E-cadherin to connect it to the actin cytoskeleton.
    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:0005913    cell-cell adherens junction    An adherens junction which connects a cell to another cell.
    GO:0030864    cortical actin cytoskeleton    The portion of the actin cytoskeleton, comprising filamentous actin and associated proteins, that lies just beneath the plasma membrane.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0009898    cytoplasmic side of plasma membrane    The leaflet the plasma membrane that faces the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    GO:0005768    endosome    A vacuole to which materials ingested by endocytosis are delivered.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    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:0016600    flotillin complex    A protein complex that contains flotillin-1 and flotillin-2, and may contain associated proteins. Flotillins associate into membrane microdomains resembling caveolae.
    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:0030027    lamellipodium    A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
    GO:0016328    lateral plasma membrane    The portion of the plasma membrane at the lateral side of the cell. In epithelial cells, lateral plasma membranes are on the sides of cells which lie at the interface of adjacent cells.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0048471    perinuclear region of cytoplasm    Cytoplasm situated near, or occurring around, the nucleus.
    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:0005802    trans-Golgi network    The network of interconnected tubular and cisternal structures located within the Golgi apparatus on the side distal to the endoplasmic reticulum, from which secretory vesicles emerge. The trans-Golgi network is important in the later stages of protein secretion where it is thought to play a key role in the sorting and targeting of secreted proteins to the correct destination.

Chain C,D   (KLRG1_MOUSE | O88713)
molecular function
    GO:0030246    carbohydrate binding    Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
biological process
    GO:0007166    cell surface receptor signaling pathway    A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
    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:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0050776    regulation of immune response    Any process that modulates the frequency, rate or extent of the immune response, the immunological reaction of an organism to an immunogenic stimulus.
cellular component
    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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    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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        CADH1_HUMAN | P128301o6s 2o72 2omt 2omu 2omv 2omx 2omy 2omz 3ff7 3l6x 3l6y 4zt1 4zte
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(-) Related Entries Specified in the PDB File

3ff7 3ff9