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  • 1
    Electronic Resource
    Electronic Resource
    Spectra of Simple Amides in the Vacuum Ultraviolet1 (1953)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 75 (1953), S. 4540-4543 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01114a045
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    EVIDENCE FROM CAPPING EXPERIMENTS FOR INDEPENDENCE OF THE RT7 ALLOANTIGEN AND THE LEUCOCYTE COMMON ANTIGEN IN THE RAT (1985)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 12 (1985), S. 0 
    Details
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Experiments reported here demonstrate that the RT7 alloantigen and the L-C antigen are separate and distinct structures on the surface of rat lymphocytes. The distribution of the antigens in different rat strains, including the mutant WF/fz, clearly establish the RT7 antigenic system as a polymorphic diallelic system, whereas the recognized L-C antigenic determinatn is monomorphic and present on the lymphocytes of all strains tested. These data were obtained using monoclonal antibodies to the antigens in indirect immunoffluorescence experimenta. The two antigens were shown to redistribute (cap) independently of one another on the surface of rat thymocytes. Cells that had been exposed to anti-L-C antibody and FITC-cojugated anti-Ig followed by anti-RT7.1 antibody and RITC-conjugated anti-Ig demonstrated FITC caps and RITC rings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-313X.1985.tb00851.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Analysis of polymorphisms in the major expressed class I locus (B-FIV) of the chicken (1998)
    Springer
    Immunogenetics 47 (1998), S. 456-467 
    Details
    ISSN: 1432-1211
    Keywords: Key words Mhc ; Class I ; BF ; Concerted evolution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract  We analyzed the polymorphic nature of eleven alleles expressed by the major class I locus (B-FIV) in chickens. Similar to mammalian class I loci, the nucleotide substitutions with high variability occur in exons 2 and 3 encoding the α1 and α2 domains. However, the nonsynonymous to synonymous ratio of nucleotide substitutions in exon 3 encoding the α helix and β sheets is reversed compared with HLA. The region of exon 3 encoding the α2 helix demonstrates a much lower nonsynonymous to synonymous ratio, suggesting evolutionary selection of a more conserved α2 helix in B-FIV compared with HLA. Amino acid residues with high Wu-Kabat variability are typically located in positions predicted to impact antigen presentation. B-FIV amino acid residues predicted to interact with the CDR1α region of the T-cell receptor (Tcr) demonstrate less variability than in mouse and human class I alleles. The combination of a reduced nonsynonymous to synonymous ratio in exon 3 encoding the α2 helix and the limited variability in CDR1α contact residues is discussed with regard to concerted evolution between a minimal major histocompatibility complex and compaction of Tcr variable gene segments in the chicken.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002510050383
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    Paper (German National Licenses)
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