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rdf:type |
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lifeskim:mentions |
umls-concept:C0002518,
umls-concept:C0205147,
umls-concept:C0337112,
umls-concept:C0358321,
umls-concept:C0445604,
umls-concept:C0728938,
umls-concept:C1524075,
umls-concept:C1552644,
umls-concept:C1720529,
umls-concept:C1823153,
umls-concept:C1948059,
umls-concept:C2349976
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pubmed:issue |
1
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pubmed:dateCreated |
1970-8-4
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pubmed:abstractText |
The heavy chain of a human myeloma protein (Vin) belonging to the gamma4 subclass was subjected to tryptic digestion after reduction and carboxymethylation. Cyanogen bromide fragments were also prepared and all 19 tryptic peptides that account for one of them (the Fc-like fragment) were studied. Selected peptic peptides were isolated and provided evidence for the order of 15 of the tryptic peptides. In addition the sequence of two large peptic peptides derived from two sections of the molecule including all the interchain bridges is presented. Comparison with published data on other chains allows us to propose a sequence of gamma4 chains that extends from just before the presumed starting point of the invariable region (at about residue 113) to the C-terminal end of the chain (approx. residue 446), except for a section of about 50 residues. The results of the comparison suggest that the immunoglobulin subclasses have a recent independent evolutionary origin in different species. Implications for complement fixation and for the evolutionary origin of antibody diversity are also discussed.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-13093686,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-13976292,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-14084621,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-14206440,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-14229680,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-16742526,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4158437,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4159034,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4161440,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4162448,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4162672,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4165119,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4165950,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4166026,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4168589,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4169497,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4171007,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4171078,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4171249,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4172218,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4173472,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4177293,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4177969,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4184138,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4186690,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4860380,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4882223,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-4979349,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-5246556,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-5248810,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-5358347,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-5637732,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-5782707,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-5968723,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-6029938,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4192699-6033776
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
0264-6021
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
117
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
33-47
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pubmed:dateRevised |
2010-9-13
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pubmed:meshHeading |
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pubmed:year |
1970
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pubmed:articleTitle |
Human immunoglobulin subclasses. Partial amino acid sequence of the constant region of a gamma 4 chain.
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pubmed:publicationType |
Journal Article
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