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Two BALB/c anti-arsonate idiotype families: two heavy chain variable regions (Vh) shared with anti-DNP antibodies are used by one family while a Vh similar to anti-GAT antibodies is used by the other. 1987

A R Brown, and V A Fried
Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38101.

Amino terminal amino acid sequences were obtained for both the heavy (H) and light (L) chains of seven BALB/c anti-arsonate (Ar) monoclonal antibodies representing the 5AF6 and 3C6 idiotype (id) families described in this strain. 5AF6 family H chains showed strong homology to the germ-line gene sequence for the A strain 36-60 family. However, four to five identical H chain sequence differences for two of these antibodies (5AF6 and 95B5), as well as two previously reported related sequences (92D5, 94B10), suggested they were encoded by a different Vh. The 36-60 family Vh genes have been shown to be identical to the Vh gene of the anti-DNP binding myeloma M460 [Dzierzak et al., J. Immun. 136, 1864-1870 (1986)]. H chains amino acid sequences derived from an id-460+ anti-DNP hybridoma and a germ-line gene differing from the 30-60-like Vh sequence [Dzierzak et al., J. Immun. 136, 1864-1870 (1986)] were found to be virtually identical to the 95B5 and 5AF6 Vh sequences. This suggests that the same two related H chains making up two subsets of the 5AF6 anti-Ar id family are also both used in two subsets of the id-460 anti-DNP response. 5AF6 family L chains were highly homologous to the other Vk2 L chains of the 36-60 family. 3C6 family H chains can be placed in the Vh l group, are unrelated to the described anti-Ar H chain families, and have been placed in a new anti-Ar Vh family, Ars-E. The 3C6 H is similar, however, to a Vh used by a BALB/c anti-GAT idiotype family of antibodies. 3C6 L chains were of the murine kappa chain group, Vk8 and most resembled an L chain from an A strain monoclonal anti-Ar having no defined idiotype.

UI MeSH Term Description Entries
D007130 Immunoglobulin Idiotypes Unique genetically-controlled determinants present on ANTIBODIES whose specificity is limited to a single group of proteins (e.g., another antibody molecule or an individual myeloma protein). The idiotype appears to represent the antigenicity of the antigen-binding site of the antibody and to be genetically codetermined with it. The idiotypic determinants have been precisely located to the IMMUNOGLOBULIN VARIABLE REGION of both immunoglobin polypeptide chains. Idiotypes, Immunoglobulin,Ig Idiotypes,Idiotype, Ig,Idiotype, Immunoglobulin,Idiotypes, Ig,Ig Idiotype,Immunoglobulin Idiotype
D007135 Immunoglobulin Variable Region That region of the immunoglobulin molecule that varies in its amino acid sequence and composition, and comprises the binding site for a specific antigen. It is located at the N-terminus of the Fab fragment of the immunoglobulin. It includes hypervariable regions (COMPLEMENTARITY DETERMINING REGIONS) and framework regions. Variable Region, Ig,Variable Region, Immunoglobulin,Framework Region, Immunoglobulin,Fv Antibody Fragments,Fv Fragments,Ig Framework Region,Ig Variable Region,Immunoglobulin Framework Region,Immunoglobulin Fv Fragments,Immunoglobulin V,Antibody Fragment, Fv,Antibody Fragments, Fv,Fragment, Fv,Fragment, Fv Antibody,Fragment, Immunoglobulin Fv,Fragments, Fv,Fragments, Fv Antibody,Fragments, Immunoglobulin Fv,Framework Region, Ig,Framework Regions, Ig,Framework Regions, Immunoglobulin,Fv Antibody Fragment,Fv Fragment,Fv Fragment, Immunoglobulin,Fv Fragments, Immunoglobulin,Ig Framework Regions,Ig Variable Regions,Immunoglobulin Framework Regions,Immunoglobulin Fv Fragment,Immunoglobulin Variable Regions,Regions, Immunoglobulin Variable,Variable Regions, Ig,Variable Regions, Immunoglobulin
D007143 Immunoglobulin Heavy Chains The largest of polypeptide chains comprising immunoglobulins. They contain 450 to 600 amino acid residues per chain, and have molecular weights of 51-72 kDa. Immunoglobulins, Heavy-Chain,Heavy-Chain Immunoglobulins,Ig Heavy Chains,Immunoglobulin Heavy Chain,Immunoglobulin Heavy Chain Subgroup VH-I,Immunoglobulin Heavy Chain Subgroup VH-III,Heavy Chain Immunoglobulins,Heavy Chain, Immunoglobulin,Heavy Chains, Ig,Heavy Chains, Immunoglobulin,Immunoglobulin Heavy Chain Subgroup VH I,Immunoglobulin Heavy Chain Subgroup VH III,Immunoglobulins, Heavy Chain
D007147 Immunoglobulin Light Chains Polypeptide chains, consisting of 211 to 217 amino acid residues and having a molecular weight of approximately 22 kDa. There are two major types of light chains, kappa and lambda. Two Ig light chains and two Ig heavy chains (IMMUNOGLOBULIN HEAVY CHAINS) make one immunoglobulin molecule. Ig Light Chains,Immunoglobulins, Light-Chain,Immunoglobulin Light Chain,Immunoglobulin Light-Chain,Light-Chain Immunoglobulins,Chains, Ig Light,Chains, Immunoglobulin Light,Immunoglobulins, Light Chain,Light Chain Immunoglobulins,Light Chain, Immunoglobulin,Light Chains, Ig,Light Chains, Immunoglobulin,Light-Chain, Immunoglobulin
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D009578 Nitrobenzenes BENZENE derivatives carrying nitro group substituents.
D010132 p-Azobenzenearsonate A hapten capable of eliciting both antibody formation and delayed hypersensitivity when bound to aromatic amino acids, polypeptides or proteins. It is used as an immunologic research tool. Azophenylarsonate,para-Azobenzenearsonate,p Azobenzenearsonate,para Azobenzenearsonate
D010455 Peptides Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are considered to be larger versions of peptides that can form into complex structures such as ENZYMES and RECEPTORS. Peptide,Polypeptide,Polypeptides
D011108 Polymers Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS). Polymer
D004136 Dinitrobenzenes Benzene derivatives which are substituted with two nitro groups in the ortho, meta or para positions. Dinitrobenzene,Dinitrophenyl Compound,Dinitrophenyl Compounds,Dinitrotoluene,Dinitrotoluenes,Compound, Dinitrophenyl

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