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(-) Description

Title :  CRYSTAL STRUCTURE OF BM3.3 SCFV TCR IN COMPLEX WITH PBM8-H-2KBM8 MHC CLASS I MOLECULE
 
Authors :  C. Mazza, N. Auphan-Anezin, C. Gregoire, A. Guimezanes, C. Kellenberg A. Roussel, A. Kearney, P. A. Van Der Merwe, A. M. Schmitt-Verhulst, B. Malissen
Date :  18 Jan 07  (Deposition) - 03 Apr 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.90
Chains :  Asym./Biol. Unit :  A,B,H,L,P
Keywords :  T Cell Receptor, Class I Mhc, H-2Kbm8, Tcr-Pmhc Complex, Immune System (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  C. Mazza, N. Auphan-Anezin, C. Gregoire, A. Guimezanes, C. Kellenberger, A. Roussel, A. Kearney, P. A. Van Der Merwe, A. M. Schmitt-Verhulst, B. Malissen
How Much Can A T-Cell Antigen Receptor Adapt To Structurall Distinct Antigenic Peptides?
Embo J. V. 26 1972 2007
PubMed-ID: 17363906  |  Reference-DOI: 10.1038/SJ.EMBOJ.7601605

(-) Compounds

Molecule 1 - BM3.3 T-CELL RECEPTOR ALPHA-CHAIN
    ChainsA
    EngineeredYES
    Expression SystemMUS MUSCULUS
    Expression System CellMYELOMA CELLS
    Expression System CommonHOUSE MOUSE
    Expression System Taxid10090
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
 
Molecule 2 - BM3.3 T-CELL RECEPTOR BETA-CHAIN
    ChainsB
    EngineeredYES
    Expression SystemMUS MUSCULUS
    Expression System CellMYELOMA CELLS
    Expression System CommonHOUSE MOUSE
    Expression System Taxid10090
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
 
Molecule 3 - ALLOGENEIC H-2KBM8 MHC CLASS I MOLECULE
    ChainsH
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentEXTRACELLULAR DOMAINS (ALPHA1, ALPHA2, ALPHA3)
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
 
Molecule 4 - BETA-2-MICROGLOBULIN
    ChainsL
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneB2M
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
 
Molecule 5 - NATURALLY PROCESSED OCTAPEPTIDE PBM8
    ChainsP
    EngineeredYES
    Other DetailsTHIS SEQUENCE OCCURS NATURALLY IN MOUSE
    SynonymRNA-BINDING PROTEIN 5
    SyntheticYES

 Structural Features

(-) Chains, Units

  12345
Asymmetric/Biological Unit ABHLP

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS A:54 , ASN A:56 , ASN A:65 , TYR H:256BINDING SITE FOR RESIDUE NAG A 201

(-) SS Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1A:22 -A:90
2B:23 -B:92
3H:203 -H:259
4L:25 -L:80

(-) Cis Peptide Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1Asn B:7 -Pro B:8
2Tyr H:209 -Pro H:210
3His L:31 -Pro L:32

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (5, 5)

Asymmetric/Biological Unit (5, 5)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_B2MG_MOUSE_002 *H54QB2MG_MOUSE  ---  ---LH34Q
2UniProtVAR_B2MG_MOUSE_003 *K64EB2MG_MOUSE  ---  ---LK44E
3UniProtVAR_B2MG_MOUSE_004 *R101TB2MG_MOUSE  ---  ---LR81T
4UniProtVAR_B2MG_MOUSE_005 *A105DB2MG_MOUSE  ---  ---LD85D
5UniProtVAR_B2MG_MOUSE_006 *A105VB2MG_MOUSE  ---  ---LD85V
   * ID not provided by source

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

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.B2MG_MOUSE98-104  1L:78-84
HA1B_MOUSE278-284  1H:257-263

(-) Exons   (0, 0)

(no "Exon" information available for 2OL3)

(-) 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:118
 aligned with Q5R1F1_MOUSE | Q5R1F1 from UniProtKB/TrEMBL  Length:118

    Alignment length:118
                                                                                                                              118                 
                                                                                                                       116   117|                 
                                    32        42        52        62        72        82        92       102       112   |   117|        -        
         Q5R1F1_MOUSE    23 QKVTQTQTSISVMEKTTVTMDCVYETQDSSYFLFWYKQTASGEIVFLIRQDSYKKENATVGHYSLNFQKPKSSIGLIITATQIEDSAVYFCAMR-----EG-----------------   -
               SCOP domains d2ol3a1 A:1-116 T-cell antigen receptor                                                                             -- SCOP domains
               CATH domains 2ol3A00 A:1-118 Immunoglobulins                                                                                        CATH domains
               Pfam domains V-set-2ol3A01 A:1-93                                                                          ------------------------ Pfam domains
         Sec.struct. author ........eeeee....eee...........eeeeeee.....eeeeeeee.......ee..eee..hhhhh...eee........eeeeeeee.........eee...eeeeee... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 2ol3 A   1 QKVTQTQTSISVMEKTTVTMDCVYETQDSSYFLFWYKQTASGEIVFLIRQDSYKKENATVGHYSLNFQKPKSSIGLIITATQIEDSAVYFCAMRGDYGGSGNKLIFGTGTLLSVKPGS 118
                                    10        20        30|       39        49        59        69        79        89   ||  100       110        
                                                        30A                                                             93|                       
                                                                                                                         95                       

Chain B from PDB  Type:PROTEIN  Length:113
 aligned with TVB6_MOUSE | P04214 from UniProtKB/Swiss-Prot  Length:136

    Alignment length:116
                                                                                                                                 124            
                                                                                                                               123 |            
                                    31        41        51        61        71        81        91       101       111       121 | |   130      
           TVB6_MOUSE    22 VTLLEQNPRWRLVPRGQAVNLRCILKNSQYPWMSWYQQDLQKQLQWLFTLRSPRDKEVKSLPGADYLATRVTDTELRLQVANMSQGRTLYCTCSATGGLNTG-QLYFGEGSKLTVL 136
               SCOP domains d2ol3b_ B: T-cell antigen receptor                                                                                   SCOP domains
               CATH domains 2ol3B00 B:1-117 Immunoglobulins                                                                                      CATH domains
               Pfam domains -V-set-2ol3B01 B:2-96                                                                          -   ----------------- Pfam domains
         Sec.struct. author ...eeee..eeeee....eeeeeee......eeeeeeee....eeeeeee.....eeeeee..eeeeeee....eeeeee......eeeeeeee..---......ee...eeeeee Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------- Transcript
                 2ol3 B   1 VTLLEQNPRWRLVPRGQAVNLRCILKNSQYPWMSWYQQDLQKQLQWLFTLRSPGDKEVKSLPGADYLATRVTDTELRLQVANMSQGRTLYCTCSAD---RVGNTLYFGEGSRLIVV 117
                                    10        20        30|       39        49        59        69        79       |91     |  98 |||   111      
                                                        30A                                                       87|     97  98 |||            
                                                                                                                   90          100||            
                                                                                                                                103|            
                                                                                                                                 105            

Chain H from PDB  Type:PROTEIN  Length:276
 aligned with HA1B_MOUSE | P01901 from UniProtKB/Swiss-Prot  Length:369

    Alignment length:276
                                    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      
           HA1B_MOUSE    22 GPHSLRYFVTAVSRPGLGEPRYMEVGYVDDTEFVRFDSDAENPRYEPRARWMEQEGPEYWERETQKAKGNEQSFRVDLRTLLGYYNQSKGGSHTIQVISGCEVGSDGRLLRGYQQYAYDGCDYIALNEDLKTWTAADMAALITKHKWEQAGEAERLRAYLEGTCVEWLRRYLKNGNATLLRTDSPKAHVTHHSRPEDKVTLRCWALGFYPADITLTWQLNGEELIQDMELVETRPAGDGTFQKWASVVVPLGKEQYYTCHVYHQGLPEPLTLRWEP 297
               SCOP domains --d2ol3h2 H:3-180 Class I MHC, alpha-1 and alpha-2 domains                                                                                                                          -d2ol3h1 H:182-274 Class I MHC, alpha-3 domain                                                -- SCOP domains
               CATH domains 2ol3H01 H:1-181 Murine Class I Major Histocompatibility Complex, H2-DB, subunit A, domain 1                                                                                          2ol3H02 H:182-274 Immunoglobulins                                                            -- CATH domains
               Pfam domains MHC_I-2ol3H02 H:1-179                                                                                                                                                              --------C1-set-2ol3H01 H:188-271                                                            ----- Pfam domains
         Sec.struct. author ..eeeeeeeeee........eeeeeeee..eeeeeee........ee.hhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh........eeeeeeeeee.....eeeeeeeeee...eeeee......eee.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eeeeeee.....eeeeeeeeeee.....eeeeee..ee.....ee...ee.....eeeeeeeeee.hhhh.eeeeee.......eee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC ------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2ol3 H   1 GPHSLRYFVTAVSRPGLGEPRFISVGYVDNTEFVRFDSDAENPRYEPRARWMEQEGPEYWERETQKAKGNEQSFRVDLRTLLGYYNQSKGGSHTIQVISGCEVGSDGRLLRGYQQYAYDGCDYIALNEDLKTWTAADMAALITKHKWEQAGEAERLRAYLEGTCVEWLRRYLKNGNATLLRTDSPKAHVTHHSRPEDKVTLRCWALGFYPADITLTWQLNGEELIQDMELVETRPAGDGTFQKWASVVVPLGKEQYYTCHVYHQGLPEPLTLRWEP 276
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270      

Chain L from PDB  Type:PROTEIN  Length:100
 aligned with B2MG_MOUSE | P01887 from UniProtKB/Swiss-Prot  Length:119

    Alignment length:100
                                    29        39        49        59        69        79        89        99       109       119
           B2MG_MOUSE    20 AIQKTPQIQVYSRHPPENGKPNILNCYVTQFHPPHIEIQMLKNGKKIPKVEMSDMSFSKDWSFYILAHTEFTPTETDTYACRVKHASMAEPKTVYWDRDM 119
               SCOP domains d2ol3l_ L: beta2-microglobulin                                                                       SCOP domains
               CATH domains 2ol3L00 L:0-99 Immunoglobulins                                                                       CATH domains
               Pfam domains -----------C1-set-2ol3L01 L:11-92                                                            ------- Pfam domains
         Sec.struct. author ......eeeeee.........eeeeeeeeee....eeeee...............ee.....eeeeeeeee........eeeeee......eeee..... Sec.struct. author
             SAPs(SNPs) (1) ----------------------------------Q---------E------------------------------------T---D-------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) -------------------------------------------------------------------------------------V-------------- SAPs(SNPs) (2)
                    PROSITE ------------------------------------------------------------------------------IG_MHC --------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------- Transcript
                 2ol3 L   0 MIQKTPQIQVYSRHPPENGKPNILNCYVTQFHPPHIEIQMLKNGKKIPKVEMSDMSFSKDWSFYILAHTEFTPTETDTYACRVKHDSMAEPKTVYWDRDM  99
                                     9        19        29        39        49        59        69        79        89        99

Chain P from PDB  Type:PROTEIN  Length:8
 aligned with RBM5_MOUSE | Q91YE7 from UniProtKB/Swiss-Prot  Length:815

    Alignment length:8
           RBM5_MOUSE   484 SQYYYNSL 491
               SCOP domains -------- SCOP domains
               CATH domains -------- CATH domains
               Pfam domains -------- Pfam domains
         Sec.struct. author ........ Sec.struct. author
                 SAPs(SNPs) -------- SAPs(SNPs)
                    PROSITE -------- PROSITE
                 Transcript -------- Transcript
                 2ol3 P   1 SQYYYNSL   8

   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  (5, 5)

Asymmetric/Biological Unit

(-) CATH Domains  (2, 5)

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

(-) Pfam Domains  (3, 5)

Asymmetric/Biological Unit
(-)
Clan: Ig (577)
(-)
Clan: MHC (252)

(-) Gene Ontology  (76, 89)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q5R1F1_MOUSE | Q5R1F1)

Chain B   (TVB6_MOUSE | P04214)

Chain H   (HA1B_MOUSE | P01901)
molecular function
    GO:0042608    T cell receptor binding    Interacting selectively and non-covalently with a T cell receptor, the antigen-recognizing receptor on the surface of T cells.
    GO:0046977    TAP binding    Interacting selectively and non-covalently with TAP protein, transporter associated with antigen processing protein. TAP protein is a heterodimeric peptide transporter consisting of the subunits TAP1 and TAP2.
    GO:0030881    beta-2-microglobulin binding    Interacting selectively and non-covalently with beta-2-microglobulin.
    GO:0042605    peptide antigen binding    Interacting selectively and non-covalently with an antigen peptide.
    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.
biological process
    GO:0019882    antigen processing and presentation    The process in which an antigen-presenting cell expresses antigen (peptide or lipid) on its cell surface in association with an MHC protein complex.
    GO:0002485    antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent    The process in which an antigen-presenting cell expresses a peptide antigen of endogenous origin on its cell surface in association with an MHC class I protein complex following intracellular transport via a TAP-dependent ER pathway. The peptide is typically a fragment of a larger endogenous protein which has been degraded within the cell and becomes associated with the MHC class I molecule in the ER following TAP-dependent transport from the cytosol. Class I here refers to classical class I molecules.
    GO:0042590    antigen processing and presentation of exogenous peptide antigen via MHC class I    The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class I protein complex. The peptide antigen is typically, but not always, processed from a whole protein. Class I here refers to classical class I molecules.
    GO:0002479    antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent    The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class I protein complex following intracellular transport via a TAP (transporter associated with antigen processing) pathway. The peptide is typically a fragment of a larger exogenous protein which has been degraded within the cell and is dependent on TAP transport from the cytosol to ER for association with the MHC class I molecule. Class I here refers to classical class I molecules.
    GO:0002474    antigen processing and presentation of peptide antigen via MHC class I    The process in which an antigen-presenting cell expresses a peptide antigen on its cell surface in association with an MHC class I protein complex. Class I here refers to classical class I molecules.
    GO:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    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:0048839    inner ear development    The process whose specific outcome is the progression of the inner ear over time, from its formation to the mature structure.
    GO:0010977    negative regulation of neuron projection development    Any process that decreases the rate, frequency or extent of neuron projection development. Neuron projection development is 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:0001916    positive regulation of T cell mediated cytotoxicity    Any process that activates or increases the frequency, rate or extent of T cell mediated cytotoxicity.
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:0005797    Golgi medial cisterna    The middle Golgi cisterna (or cisternae).
    GO:0042612    MHC class I protein complex    A transmembrane protein complex composed of a MHC class I alpha chain and an invariant beta2-microglobin chain, and with or without a bound peptide antigen. Class I here refers to classical class I molecules.
    GO:0009986    cell surface    The external part of the cell wall and/or plasma membrane.
    GO:0005783    endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    GO:0070971    endoplasmic reticulum exit site    An endoplasmic reticulum part at which COPII-coated vesicles are produced.
    GO:0009897    external side of plasma membrane    The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    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:0071556    integral component of lumenal side of endoplasmic reticulum membrane    The component of the endoplasmic reticulum membrane consisting of the gene products that penetrate only the lumenal side of the membrane.
    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:0030670    phagocytic vesicle membrane    The lipid bilayer surrounding a phagocytic vesicle.

Chain L   (B2MG_MOUSE | P01887)
molecular function
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    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:0033077    T cell differentiation in thymus    The process in which a precursor cell type acquires the specialized features of a T cell via a differentiation pathway dependent upon transit through the thymus.
    GO:0019731    antibacterial humoral response    An immune response against bacteria mediated through a body fluid. Examples of this process are the antibacterial humoral responses in Mus musculus and Drosophila melanogaster.
    GO:0019885    antigen processing and presentation of endogenous peptide antigen via MHC class I    The process in which an antigen-presenting cell expresses a peptide antigen of endogenous origin on its cell surface in association with an MHC class I protein complex. The peptide antigen is typically, but not always, processed from a whole protein. Class I here refers to classical class I molecules.
    GO:0002479    antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent    The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class I protein complex following intracellular transport via a TAP (transporter associated with antigen processing) pathway. The peptide is typically a fragment of a larger exogenous protein which has been degraded within the cell and is dependent on TAP transport from the cytosol to ER for association with the MHC class I molecule. Class I here refers to classical class I molecules.
    GO:0002481    antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent    The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class Ib protein complex following intracellular transport via a TAP (transporter associated with antigen processing) pathway. The peptide is typically a fragment of a larger exogenous protein which has been degraded within the cell and is dependent on TAP transport from the cytosol to ER for association with the MHC class Ib molecule. Class Ib here refers to non-classical class I molecules, such as those of the HLA-E gene family.
    GO:0002474    antigen processing and presentation of peptide antigen via MHC class I    The process in which an antigen-presenting cell expresses a peptide antigen on its cell surface in association with an MHC class I protein complex. Class I here refers to classical class I molecules.
    GO:0006968    cellular defense response    A defense response that is mediated by cells.
    GO:0071281    cellular response to iron 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 an iron ion stimulus.
    GO:0071222    cellular response to lipopolysaccharide    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 lipopolysaccharide stimulus; lipopolysaccharide is a major component of the cell wall of gram-negative bacteria.
    GO:0050829    defense response to Gram-negative bacterium    Reactions triggered in response to the presence of a Gram-negative bacterium that act to protect the cell or organism.
    GO:0050830    defense response to Gram-positive bacterium    Reactions triggered in response to the presence of a Gram-positive bacterium that act to protect the cell or organism.
    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:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0055072    iron ion homeostasis    Any process involved in the maintenance of an internal steady state of iron ions within an organism or cell.
    GO:0010977    negative regulation of neuron projection development    Any process that decreases the rate, frequency or extent of neuron projection development. Neuron projection development is 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:1900121    negative regulation of receptor binding    Any process that stops, prevents or reduces the frequency, rate or extent of a protein or other molecule binding to a receptor.
    GO:0002726    positive regulation of T cell cytokine production    Any process that activates or increases the frequency, rate, or extent of T cell cytokine production.
    GO:0001916    positive regulation of T cell mediated cytotoxicity    Any process that activates or increases the frequency, rate or extent of T cell mediated cytotoxicity.
    GO:1904434    positive regulation of ferrous iron binding    Any process that activates or increases the frequency, rate or extent of ferrous iron binding.
    GO:0032092    positive regulation of protein binding    Any process that activates or increases the frequency, rate or extent of protein binding.
    GO:1900122    positive regulation of receptor binding    Any process that activates or increases the frequency, rate or extent of a protein or other molecule binding to a receptor.
    GO:0048260    positive regulation of receptor-mediated endocytosis    Any process that activates or increases the frequency, rate or extent of receptor mediated endocytosis, the uptake of external materials by cells, utilizing receptors to ensure specificity of transport.
    GO:1904437    positive regulation of transferrin receptor binding    Any process that activates or increases the frequency, rate or extent of transferrin receptor binding.
    GO:0042026    protein refolding    The process carried out by a cell that restores the biological activity of an unfolded or misfolded protein, using helper proteins such as chaperones.
    GO:0003254    regulation of membrane depolarization    Any process that modulates the rate, frequency or extent of membrane depolarization. Membrane depolarization is the process in which membrane potential changes in the depolarizing direction from the resting potential, usually from negative to positive.
    GO:0046686    response to cadmium ion    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 cadmium (Cd) ion stimulus.
    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:0002237    response to molecule of bacterial origin    Any process that results in a change in state or activity of an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus by molecules of bacterial origin such as peptides derived from bacterial flagellin.
    GO:0001895    retina homeostasis    A tissue homeostatic process involved in the maintenance of an internal equilibrium within the retina of the eye, including control of cellular proliferation and death and control of metabolic function.
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:1990712    HFE-transferrin receptor complex    A protein complex containing at least HFE and a transferrin receptor (either TFR1/TFRC or TFR2), proposed to play a role in the sensing of transferrin-bound Fe (Fe2-Tf) on the plasma membrane to regulate hepcidin transcription.
    GO:0042612    MHC class I protein complex    A transmembrane protein complex composed of a MHC class I alpha chain and an invariant beta2-microglobin chain, and with or without a bound peptide antigen. Class I here refers to classical class I molecules.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0009897    external side of plasma membrane    The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    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: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: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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0030670    phagocytic vesicle membrane    The lipid bilayer surrounding a phagocytic vesicle.
    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 P   (RBM5_MOUSE | Q91YE7)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0003729    mRNA binding    Interacting selectively and non-covalently with messenger RNA (mRNA), an intermediate molecule between DNA and protein. mRNA includes UTR and coding sequences, but does not contain introns.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
    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:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0008380    RNA splicing    The process of removing sections of the primary RNA transcript to remove sequences not present in the mature form of the RNA and joining the remaining sections to form the mature form of the RNA.
    GO:0006915    apoptotic process    A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
    GO:0006397    mRNA processing    Any process involved in the conversion of a primary mRNA transcript into one or more mature mRNA(s) prior to translation into polypeptide.
    GO:0043065    positive regulation of apoptotic process    Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
    GO:0000381    regulation of alternative mRNA splicing, via spliceosome    Any process that modulates the frequency, rate or extent of alternative splicing of nuclear mRNAs.
    GO:0042981    regulation of apoptotic process    Any process that modulates the occurrence or rate of cell death by apoptotic process.
    GO:0000245    spliceosomal complex assembly    The aggregation, arrangement and bonding together of a spliceosomal complex, a ribonucleoprotein apparatus that catalyzes nuclear mRNA splicing via transesterification reactions.
cellular component
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    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:0005681    spliceosomal complex    Any of a series of ribonucleoprotein complexes that contain snRNA(s) and small nuclear ribonucleoproteins (snRNPs), and are formed sequentially during the spliceosomal splicing of one or more substrate RNAs, and which also contain the RNA substrate(s) from the initial target RNAs of splicing, the splicing intermediate RNA(s), to the final RNA products. During cis-splicing, the initial target RNA is a single, contiguous RNA transcript, whether mRNA, snoRNA, etc., and the released products are a spliced RNA and an excised intron, generally as a lariat structure. During trans-splicing, there are two initial substrate RNAs, the spliced leader RNA and a pre-mRNA.

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 Related Entries

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

UniProtKB/Swiss-Prot
        B2MG_MOUSE | P018871bii 1bqh 1bz9 1cd1 1ddh 1ffn 1ffo 1ffp 1fg2 1fo0 1fzj 1fzk 1fzm 1fzo 1g6r 1g7p 1g7q 1hoc 1inq 1jpf 1jpg 1juf 1k8d 1kbg 1kj2 1kj3 1kpu 1kpv 1l6q 1ld9 1ldp 1leg 1lek 1lk2 1mhc 1mwa 1n3n 1n59 1n5a 1nam 1nan 1nez 1osz 1p1z 1p4l 1pqz 1qo3 1rjy 1rjz 1rk0 1rk1 1s7q 1s7r 1s7s 1s7t 1s7u 1s7v 1s7w 1s7x 1t0m 1t0n 1u58 1vac 1vad 1wbx 1wby 1wbz 1yn6 1yn7 1z5l 1zhb 1zhn 1zt1 1zt7 2akr 2ckb 2clv 2clz 2fik 2fo4 2fwo 2gaz 2mha 2q7y 2qri 2qrs 2qrt 2vaa 2vab 2ve6 2zok 2zol 2zsv 2zsw 3arb 3ard 3are 3arf 3arg 3au1 3buy 3c8k 3cc5 3cch 3ch1 3cpl 3cvh 3dmm 3e6f 3e6h 3ecb 3fol 3fom 3fon 3ftg 3g08 3gml 3gmm 3gmn 3gmo 3gmp 3gmq 3gmr 3he6 3he7 3ilp 3ilq 3l3h 3ma7 3nwm 3o8x 3o9w 3p4m 3p4n 3p4o 3p9l 3p9m 3pab 3pqy 3pwu 3qi9 3quk 3qul 3qux 3quy 3quz 3rgv 3rol 3roo 3rtq 3rug 3rzc 3scm 3sda 3sdc 3sdd 3t1f 3ta3 3tbs 3tbt 3tbv 3tbw 3tby 3tn0 3to4 3tvm 3ubx 3vj6 3ws3 3ws6 4apq 4ei5 4elm 4hs3 4huu 4huv 4huw 4hux 4hv8 4iho 4irj 4irs 4l8b 4l8c 4l8d 4mng 4mq7 4mx7 4nsk 4pg2 4pg9 4pgb 4pgc 4pgd 4pge 4pv8 4pv9 4y16 4y2d 4y4f 4y4h 4y4k 4zak 4zus 4zut 4zuu 4zuv 4zuw 5e8n 5e8o 5e8p 5efi 5fkp 5ivx 5j6g 5j6h 5jwd 5jwe 5sws 5swz
        HA1B_MOUSE | P019011bqh 1fo0 1fzj 1fzk 1fzm 1fzo 1g6r 1g7p 1g7q 1kbg 1kj2 1kj3 1kpu 1kpv 1leg 1lek 1lk2 1mwa 1n59 1nam 1nan 1osz 1p1z 1p4l 1rjy 1rjz 1rk0 1rk1 1s7q 1s7r 1s7s 1s7t 1t0m 1t0n 1vac 1vad 1wbz 2ckb 2clv 2clz 2fo4 2mha 2qri 2qrs 2qrt 2vaa 2vab 2zsv 2zsw 3c8k 3cvh 3p4m 3p4n 3p4o 3p9l 3p9m 3pab 3rgv 3rol 3roo 3tid 3tie 4hkj 4hs3 4pg9 4pgb 4pgc 4pgd 4pge 4pv8 4pv9
        RBM5_MOUSE | Q91YE72clv 2clz
        TVB6_MOUSE | P042141fo0 1kb5 1kj2 1nam
UniProtKB/TrEMBL
        Q5R1F1_MOUSE | Q5R1F11fo0 1nam

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 2OL3)