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(-) Description

Title :  STRUCTURE OF IMMUNOGLOBULIN
 
Authors :  L. J. Harris, A. Mcpherson
Date :  09 Oct 97  (Deposition) - 15 Apr 98  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.20
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Intact Immunoglobulin, V Region, C Region, Hinge Region, Immunoglobulin (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  L. J. Harris, E. Skaletsky, A. Mcpherson
Crystallographic Structure Of An Intact Igg1 Monoclonal Antibody.
J. Mol. Biol. V. 275 861 1998
PubMed-ID: 9480774  |  Reference-DOI: 10.1006/JMBI.1997.1508
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - IGG1 INTACT ANTIBODY MAB61.1.3
    ChainsA, C
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    Other DetailsHYBRIDOMA MONOCLONAL ANTIBODY, AGAINST PHENOBARBITAL
    StrainBALB/C
 
Molecule 2 - IGG1 INTACT ANTIBODY MAB61.1.3
    ChainsB, D
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    Other DetailsHYBRIDOMA MONOCLONAL ANTIBODY, AGAINST PHENOBARBITAL
    StrainBALB/C

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (7, 18)

Asymmetric/Biological Unit (7, 18)
No.NameCountTypeFull Name
1BMA2Ligand/IonBETA-D-MANNOSE
2FUC1Ligand/IonALPHA-L-FUCOSE
3FUL1Ligand/IonBETA-L-FUCOSE
4GAL2Ligand/IonBETA-D-GALACTOSE
5MAN4Ligand/IonALPHA-D-MANNOSE
6NAG6Ligand/IonN-ACETYL-D-GLUCOSAMINE
7NDG2Ligand/Ion2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE

(-) Sites  (15, 15)

Asymmetric Unit (15, 15)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREVAL B:277 , ASP B:278 , PHE B:313 , ASN B:314 , THR B:318 , NDG B:477BINDING SITE FOR RESIDUE NAG B 475
02AC2SOFTWAREPHE B:254 , VAL B:277 , ARG B:320 , NAG B:475 , BMA B:478 , MAN B:479BINDING SITE FOR RESIDUE NDG B 477
03AC3SOFTWARENDG B:477 , MAN B:479 , MAN B:482BINDING SITE FOR RESIDUE BMA B 478
04AC4SOFTWARENDG B:477 , BMA B:478 , NAG B:480BINDING SITE FOR RESIDUE MAN B 479
05AC5SOFTWAREPHE B:256 , ARG B:320 , MAN B:479 , GAL B:481BINDING SITE FOR RESIDUE NAG B 480
06AC6SOFTWAREPHE B:256 , PRO B:257 , LYS B:271 , THR B:273 , NAG B:480BINDING SITE FOR RESIDUE GAL B 481
07AC7SOFTWAREBMA B:478BINDING SITE FOR RESIDUE MAN B 482
08AC8SOFTWAREVAL D:277 , ASP D:278 , PHE D:313 , ASN D:314 , THR D:318 , FUC D:476 , NDG D:477BINDING SITE FOR RESIDUE NAG D 475
09AC9SOFTWAREILE B:241 , NAG D:475 , NDG D:477BINDING SITE FOR RESIDUE FUC D 476
10BC1SOFTWAREVAL D:277 , ARG D:320 , NAG D:475 , FUC D:476 , BMA D:478 , MAN D:479BINDING SITE FOR RESIDUE NDG D 477
11BC2SOFTWARENDG D:477 , MAN D:479 , MAN D:482BINDING SITE FOR RESIDUE BMA D 478
12BC3SOFTWARENDG D:477 , BMA D:478 , NAG D:480BINDING SITE FOR RESIDUE MAN D 479
13BC4SOFTWAREPHE D:256 , ARG D:320 , MAN D:479 , GAL D:481BINDING SITE FOR RESIDUE NAG D 480
14BC5SOFTWAREPHE D:256 , PRO D:257 , LYS D:271 , THR D:273 , NAG D:480BINDING SITE FOR RESIDUE GAL D 481
15BC6SOFTWAREBMA D:478BINDING SITE FOR RESIDUE MAN D 482

(-) SS Bonds  (18, 18)

Asymmetric/Biological Unit
No.Residues
1A:23 -A:88
2A:134 -A:194
3A:214 -B:235
4B:22 -B:92
5B:142 -B:208
6B:237 -D:237
7B:240 -D:240
8B:242 -D:242
9B:274 -B:340
10B:390 -B:456
11C:23 -C:88
12C:134 -C:194
13C:214 -D:235
14D:22 -D:92
15D:142 -D:208
16D:240 -D:242
17D:274 -D:340
18D:390 -D:456

(-) Cis Peptide Bonds  (10, 10)

Asymmetric/Biological Unit
No.Residues
1Tyr A:94 -Pro A:95
2Tyr A:140 -Pro A:141
3Phe B:148 -Pro B:149
4Glu B:150 -Pro B:151
5Phe B:396 -Pro B:397
6Tyr C:94 -Pro C:95
7Tyr C:140 -Pro C:141
8Phe D:148 -Pro D:149
9Glu D:150 -Pro D:151
10Phe D:396 -Pro D:397

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1IGY)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.IGKC_MOUSE84-90
 
  2A:192-198
C:192-198

(-) Exons   (0, 0)

(no "Exon" information available for 1IGY)

(-) 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:213
 aligned with IGKC_MOUSE | P01837 from UniProtKB/Swiss-Prot  Length:106

    Alignment length:213
                                                                                                                                       1                                                                                                         
                                     -         -         -         -         -         -         -         -         -         -       | 3        13        23        33        43        53        63        73        83        93       103   
           IGKC_MOUSE     - -----------------------------------------------------------------------------------------------------------ADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC 106
               SCOP domains d1igya1 A:2-107 Immunoglobulin light chain kappa variable domain, VL-kappa                                d1igya2 A:108-214 Immunoglobulin light chain kappa constant domain, CL-kappa                                SCOP domains
               CATH domains 1igyA01 A:2-108 Immunoglobulins                                                                            1igyA02 A:109-211 Immunoglobulins                                                                      --- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee...........eeeeeee.......eeeeee......eeee....eee......eeeeee..eeeeee....hhh..eeeeee...........eeeee.......eeeee...hhhhhh.eeeeeeeee.......eeeee.........eeeee...........eeeeeeeehhhhh...eeeeeee.......eeeeee.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC ---------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1igy A   2 KCAHTVSKSMSMSVGERVTLTCKASENVVTYVSWYQQKPEQSPKLLIYGASNRYTGVPDRFTGSGSATDFTLTISSVQAEDLADYHCGQGYSYPYTFGGGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC 214
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211   

Chain B from PDB  Type:PROTEIN  Length:434
 aligned with IGH1M_MOUSE | P01869 from UniProtKB/Swiss-Prot  Length:393

    Alignment length:434
                                                                                                                                              1                                                                                                                                                                                                                                                                                                                               
                                     -         -         -         -         -         -         -         -         -         -         -    |    6        16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316    
          IGH1M_MOUSE     - ------------------------------------------------------------------------------------------------------------------AKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSPRPSETVTCNVAHPASSTKVDKKIVPRDCGCKPCICTVPEVSSVFIFPPKPKDVLTITLTPKVTCVVVDISKDDPEVQFSWFVDDVEVHTAQTQPREEQFNSTFRSVSELPIMHQDWLNGKEFKCRVNSAAFPAPIEKTISKTKGRPKAPQVYTIPPPKEQMAKDKVSLTCMITDFFPEDITVEWQWNGQPAENYKNTQPIMNTNGSYFVYSKLNVQKSNWEAGNTFTCSVLHEGLHNHHTEKSLSH 320
               SCOP domains d1igyb1 B:2-113 Immunoglobulin heavy chain variable domain, VH                                                    d1igyb2 B:114-235 Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma                       d1igyb3 B:236-361 Immunoglobulin heavy chain gamma constant domain 2, CH2-gamma                                     d1igyb4 B:363-474 Immunoglobulin heavy chain gamma constant domain 3, CH3-gamma                        SCOP domains
               CATH domains 1igyB01 B:2-113 Immunoglobulins                                                                                   1igyB02 B:114-239 Immunoglobulins                                                                         1igyB03 B:240-360 Immunoglobulins                                                                              1igyB04 B:361-474 Immunoglobulins                                                                       CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee...........eeeeeee.........eeeeee.....eeeeeee......eee.hhh...eeeeeehhh.eeeeee....hhh.eeeeeee..........eee..........eeeee...........eeeeeeeeee....eeeee........eee.........eeeeeeeeeehhhhh...eeeeeee....eeeeee...................eeeee..............eeeeeee.........eeeeee.............eee....eeeeeeee..hhhhhh..eeeeeee.......eeeeee.........eeeee..........eeeeeeeee.......eeeeee.......eee............eeeeeeeehhhhh....eeeeee....hhh.eeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1igy B   2 VKLQESGAELARPGASVKMSCKASGYTFTTYTIHWIKQRPGQGLEWIGYINPSSVYTNYNQRFKDKATLTRDRSSNTANIHLSSLTSDDSAVYYCVREGEVPYWGQGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSPRPSETVTCNVAHPASSTKVDKKIVPRDCGCKPCICTVPEVSSVFIFPPKPKDTLLITVTPKVTCVVVDISKDDPEVQFSWFVDNVEVHTAQTQPREEQFNSTFRVVSALPIMHQDWLNGKEFKCRVNSAAFPAPIEKTISKTKGKPRAPQVYTIPPPKEQMAKDKVSLTCMITDFFPEDITVEWQSDGQAPENYKNTQPIMDTDGSYFVYSKLNVQKSNWEAGNTFTCSVLHEGLHNHHTEKSLSH 474
                                    11        21        31        41        51 |      60        70        80  |||   87        97||     109       119       129||     141       151  |||| 166  ||   177  ||   189      |202       212       222||  || 239     ||252       262       272       282       292|||    306       318       328       338       348      |359 ||    370       382       392       402|  ||||417       427|||    440       450       460       470    
                                                                             52A                            82A||              98|                          130|                  154|||    169|      180|          196|||                  223|  ||       245|                                        292|||            314|                                   355| 361|            378|                  402|  ||||           428||                                         
                                                                                                             82B|              101                           133                   156||     171       183           199||                   226  ||        249                                         295||             317                                    357  363             381                   405  ||||            430|                                         
                                                                                                              82C                                                                   157|                              200|                      229|                                                     296|                                                                                                  408|||             433                                         
                                                                                                                                                                                     162                               202                       235                                                      299                                                                                                   410||                                                         
                                                                                                                                                                                                                                                                                                                                                                                                                 411|                                                         
                                                                                                                                                                                                                                                                                                                                                                                                                  414                                                         

Chain C from PDB  Type:PROTEIN  Length:213
 aligned with IGKC_MOUSE | P01837 from UniProtKB/Swiss-Prot  Length:106

    Alignment length:213
                                                                                                                                       1                                                                                                         
                                     -         -         -         -         -         -         -         -         -         -       | 3        13        23        33        43        53        63        73        83        93       103   
           IGKC_MOUSE     - -----------------------------------------------------------------------------------------------------------ADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC 106
               SCOP domains d1igyc1 C:2-107 Immunoglobulin light chain kappa variable domain, VL-kappa                                d1igyc2 C:108-214 Immunoglobulin light chain kappa constant domain, CL-kappa                                SCOP domains
               CATH domains 1igyC01 C:2-108 Immunoglobulins                                                                            1igyC02 C:109-211 Immunoglobulins                                                                      --- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee...........eeeeeee.......eeeeee......eeee....eee......eeeeee..eeeeee.........eeeeee...........eeeee.......eeeee...hhhhhh.eeeeeeeee.......eeeee.........eeeee...........eeeeeeeehhhhh...eeeeeee.......eeeeee.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC ---------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1igy C   2 KCAHTVSKSMSMSVGERVTLTCKASENVVTYVSWYQQKPEQSPKLLIYGASNRYTGVPDRFTGSGSATDFTLTISSVQAEDLADYHCGQGYSYPYTFGGGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC 214
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211   

Chain D from PDB  Type:PROTEIN  Length:434
 aligned with IGH1M_MOUSE | P01869 from UniProtKB/Swiss-Prot  Length:393

    Alignment length:434
                                                                                                                                              1                                                                                                                                                                                                                                                                                                                               
                                     -         -         -         -         -         -         -         -         -         -         -    |    6        16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316    
          IGH1M_MOUSE     - ------------------------------------------------------------------------------------------------------------------AKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSPRPSETVTCNVAHPASSTKVDKKIVPRDCGCKPCICTVPEVSSVFIFPPKPKDVLTITLTPKVTCVVVDISKDDPEVQFSWFVDDVEVHTAQTQPREEQFNSTFRSVSELPIMHQDWLNGKEFKCRVNSAAFPAPIEKTISKTKGRPKAPQVYTIPPPKEQMAKDKVSLTCMITDFFPEDITVEWQWNGQPAENYKNTQPIMNTNGSYFVYSKLNVQKSNWEAGNTFTCSVLHEGLHNHHTEKSLSH 320
               SCOP domains d1igyd1 D:2-113 Immunoglobulin heavy chain variable domain, VH                                                    d1igyd2 D:114-235 Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma                       d1igyd3 D:236-361 Immunoglobulin heavy chain gamma constant domain 2, CH2-gamma                                     d1igyd4 D:363-474 Immunoglobulin heavy chain gamma constant domain 3, CH3-gamma                        SCOP domains
               CATH domains 1igyD01 D:2-113 Immunoglobulins                                                                                   1igyD02 D:114-239 Immunoglobulins                                                                         1igyD03 D:240-357 Immunoglobulins                                                                           1igyD04 D:358-474 Immunoglobulins                                                                          CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee...........eeeeeee.........eeeeee.....eeeeeee......eee.hhh...eeeeeehhh.eeeeee....hhh.eeeeeee..........eee..........eeeee...........eeeeeeeeee....eeeee........eee.........eeeeeeeeeehhhhh...eeeeeee....eeeeee...................eeeee...hhhhh......eeeeeee.........eeeeee.............eee....eeeeeeee..hhhhhh..eeeeeee.......eeeeee.........eeeee..........eeeeeeeee.......eeeeee.......eee............eeeeeeeehhhhh....eeeeee....hhh.eeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1igy D   2 VKLQESGAELARPGASVKMSCKASGYTFTTYTIHWIKQRPGQGLEWIGYINPSSVYTNYNQRFKDKATLTRDRSSNTANIHLSSLTSDDSAVYYCVREGEVPYWGQGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSPRPSETVTCNVAHPASSTKVDKKIVPRDCGCKPCICTVPEVSSVFIFPPKPKDTLLITVTPKVTCVVVDISKDDPEVQFSWFVDNVEVHTAQTQPREEQFNSTFRVVSALPIMHQDWLNGKEFKCRVNSAAFPAPIEKTISKTKGKPRAPQVYTIPPPKEQMAKDKVSLTCMITDFFPEDITVEWQSDGQAPENYKNTQPIMDTDGSYFVYSKLNVQKSNWEAGNTFTCSVLHEGLHNHHTEKSLSH 474
                                    11        21        31        41        51 |      60        70        80  |||   87        97||     109       119       129||     141       151  |||| 166  ||   177  ||   189      |202       212       222||  || 239     ||252       262       272       282       292|||    306       318       328       338       348      |359 ||    370       382       392       402|  ||||417       427|||    440       450       460       470    
                                                                             52A                            82A||              98|                          130|                  154|||    169|      180|          196|||                  223|  ||       245|                                        292|||            314|                                   355| 361|            378|                  402|  ||||           428||                                         
                                                                                                             82B|              101                           133                   156||     171       183           199||                   226  ||        249                                         295||             317                                    357  363             381                   405  ||||            430|                                         
                                                                                                              82C                                                                   157|                              200|                      229|                                                     296|                                                                                                  408|||             433                                         
                                                                                                                                                                                     162                               202                       235                                                      299                                                                                                   410||                                                         
                                                                                                                                                                                                                                                                                                                                                                                                                 411|                                                         
                                                                                                                                                                                                                                                                                                                                                                                                                  414                                                         

   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  (6, 12)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 12)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)
1a1igyA02A:109-211
1b1igyA01A:2-108
1c1igyC01C:2-108
1d1igyB02B:114-239
1e1igyD02D:114-239
1f1igyD04D:358-474
1g1igyB04B:361-474
1h1igyD03D:240-357
1i1igyB03B:240-360
1j1igyC02C:109-211
1k1igyB01B:2-113
1l1igyD01D:2-113

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1IGY)

(-) Gene Ontology  (25, 38)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,C   (IGKC_MOUSE | P01837)
molecular function
    GO:0003823    antigen binding    Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen.
    GO:0034987    immunoglobulin receptor binding    Interacting selectively and non-covalently with one or more specific sites on an immunoglobulin receptor molecule.
biological process
    GO:0030183    B cell differentiation    The process in which a precursor cell type acquires the specialized features of a B cell. A B cell is a lymphocyte of B lineage with the phenotype CD19-positive and capable of B cell mediated immunity.
    GO:0050853    B cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.
    GO:0006958    complement activation, classical pathway    Any process involved in the activation of any of the steps of the classical pathway of the complement cascade which allows for the direct killing of microbes, the disposal of immune complexes, and the regulation of other immune processes.
    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:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0006911    phagocytosis, engulfment    The internalization of bacteria, immune complexes and other particulate matter or of an apoptotic cell by phagocytosis, including the membrane and cytoskeletal processes required, which involves one of three mechanisms: zippering of pseudopods around a target via repeated receptor-ligand interactions, sinking of the target directly into plasma membrane of the phagocytosing cell, or induced uptake via an enhanced membrane ruffling of the phagocytosing cell similar to macropinocytosis.
    GO:0006910    phagocytosis, recognition    The initial step in phagocytosis involving adhesion to bacteria, immune complexes and other particulate matter, or an apoptotic cell and based on recognition of factors such as bacterial cell wall components, opsonins like complement and antibody or protein receptors and lipids like phosphatidyl serine, and leading to intracellular signaling in the phagocytosing cell.
    GO:0050871    positive regulation of B cell activation    Any process that activates or increases the frequency, rate or extent of B cell activation.
cellular component
    GO:0072562    blood microparticle    A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids.
    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:0042571    immunoglobulin complex, circulating    An immunoglobulin complex that is secreted into extracellular space and found in mucosal areas or other tissues or circulating in the blood or lymph. In its canonical form, a circulating immunoglobulin complex is composed of two identical heavy chains and two identical light chains, held together by disulfide bonds. Some forms of are polymers of the basic structure and contain additional components such as J-chain and the secretory component.
    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,D   (IGH1M_MOUSE | P01869)
molecular function
    GO:0003823    antigen binding    Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen.
    GO:0034987    immunoglobulin receptor binding    Interacting selectively and non-covalently with one or more specific sites on an immunoglobulin receptor molecule.
biological process
    GO:0050853    B cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.
    GO: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:0001788    antibody-dependent cellular cytotoxicity    Cytolysis of target cells by natural killer cells, eosinophils, neutrophils, monocytes, or macrophages following engagement of antibodies bound to the target cells by Fc receptors on the effector cells.
    GO:0006958    complement activation, classical pathway    Any process involved in the activation of any of the steps of the classical pathway of the complement cascade which allows for the direct killing of microbes, the disposal of immune complexes, and the regulation of other immune processes.
    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:0002455    humoral immune response mediated by circulating immunoglobulin    An immune response dependent upon secreted immunoglobulin. An example of this process is found in Mus musculus.
    GO:0016064    immunoglobulin mediated immune response    An immune response mediated by immunoglobulins, whether cell-bound or in solution.
    GO:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0006911    phagocytosis, engulfment    The internalization of bacteria, immune complexes and other particulate matter or of an apoptotic cell by phagocytosis, including the membrane and cytoskeletal processes required, which involves one of three mechanisms: zippering of pseudopods around a target via repeated receptor-ligand interactions, sinking of the target directly into plasma membrane of the phagocytosing cell, or induced uptake via an enhanced membrane ruffling of the phagocytosing cell similar to macropinocytosis.
    GO:0006910    phagocytosis, recognition    The initial step in phagocytosis involving adhesion to bacteria, immune complexes and other particulate matter, or an apoptotic cell and based on recognition of factors such as bacterial cell wall components, opsonins like complement and antibody or protein receptors and lipids like phosphatidyl serine, and leading to intracellular signaling in the phagocytosing cell.
    GO:0050871    positive regulation of B cell activation    Any process that activates or increases the frequency, rate or extent of B cell activation.
    GO:0050778    positive regulation of immune response    Any process that activates or increases the frequency, rate or extent of the immune response, the immunological reaction of an organism to an immunogenic stimulus.
    GO:0050766    positive regulation of phagocytosis    Any process that activates or increases the frequency, rate or extent of phagocytosis.
    GO:0001812    positive regulation of type I hypersensitivity    Any process that activates or increases the frequency, rate or extent of type I hypersensitivity, a type of inflammatory response.
    GO:0001798    positive regulation of type IIa hypersensitivity    Any process that activates or increases the frequency, rate or extent of type IIa hypersensitivity, a type of inflammatory response.
cellular component
    GO:0072562    blood microparticle    A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids.
    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: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:0042571    immunoglobulin complex, circulating    An immunoglobulin complex that is secreted into extracellular space and found in mucosal areas or other tissues or circulating in the blood or lymph. In its canonical form, a circulating immunoglobulin complex is composed of two identical heavy chains and two identical light chains, held together by disulfide bonds. Some forms of are polymers of the basic structure and contain additional components such as J-chain and the secretory 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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 Related Entries

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

UniProtKB/Swiss-Prot
        IGH1M_MOUSE | P0186915c8 1a0q 1a3l 1acy 1ae6 1c12 1cic 1ck0 1cl7 1f11 1f58 1jhk 1jrh 1kc5 1kcr 1kcu 1ken 1l7t 1ors 1qfu 1ruq 1rur 1s5i 25c8 2ajs 2aju 2ajv 2ajx 2ajy 2ajz 2ak1
        IGKC_MOUSE | P0183715c8 1a0q 1a3l 1ahw 1ai1 1aif 1c12 1cf8 1cfn 1cfq 1cfs 1cft 1cic 1ck0 1ct8 1dqj 1dqm 1dqq 1e4w 1e4x 1ehl 1emt 1f11 1fai 1fbi 1fdl 1fe8 1fgn 1fj1 1fl3 1fns 1frg 1fsk 1gpo 1hh6 1hh9 1hi6 1i8m 1iai 1jnl 1jnn 1jrh 1k4c 1k4d 1kb5 1kc5 1kcr 1kcs 1kcu 1kcv 1ken 1kno 1lo0 1mf2 1mh5 1mlb 1mlc 1n5y 1n6q 1nby 1nbz 1ndg 1ndm 1oak 1ob1 1orq 1ors 1osp 1ots 1ott 1otu 1p2c 1p7k 1psk 1q9o 1q9w 1qgc 1r0a 1r24 1r3i 1r3j 1r3k 1r3l 1rih 1ruq 1rur 1s5h 1seq 1t03 1t4k 1ub5 1ub6 1uwx 1xf2 1xf3 1xf4 1xgp 1xgq 1xgu 25c8 2a6d 2a6k 2adf 2adj 2ajs 2aju 2ajv 2ajx 2ajy 2ajz 2ak1 2bob 2boc 2ck0 2f19 2fr4 2g5b 2h8p 2hg5 2hrp 2mpa 2nr6 2q76 2r1w 2r1y 2r23 2r2b 2uyl 2v17 2v7h 2vc2 2vdk 2vdl 2vdm 2vdn 2vdo 2vdp 2vdq 2vdr 2vl5 2vq1 2vwe 2w60 2w65 2w9d 2w9e 2z91 2z92 2z93 2zjs 35c8 3bae 3bgf 3bkc 3bkj 3bkm 3bpc 3bqu 3bsz 3bt2 3bz4 3c5s 3c6s 3cfb 3cfc 3cfd 3cfe 3ck0 3cle 3clf 3cmo 3cvh 3cvi 3d9a 3ejz 3eot 3f7v 3f7y 3fb6 3hfm 4kk5 4kk8 4qnp 4zxb 6fab

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1IGY)