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"+" or "-" indicates if the gene sequences have been found (+) or not been found (-) transcribed (T) and/or translated into protein (Pr). Arbitrarily that information is shown on the first line of each gene when the data have been confirmed by several studies.

Functionality is shown between parentheses, (F) and (P), when the accession number refers to rearranged genomic DNA or cDNA and the corresponding germline gene has not yet been isolated.
Functionality is shown between brackets, [F] and [P], when the accession number refers to genomic DNA, but not known as being germline or rearranged.

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IMGT gene name IMGT allele name Fct T Pr Positions in the locus IMGT/LIGM-DB reference sequences IMGT/LIGM-DB sequences from the literature
Strain Clone names Exons Accession numbers Positions in the sequence Secondary accession numbers Strain Clone names Accession numbers Positions in the sequence
IGHG2C IGHG2C*01 (F) + LOU IgG CH1 X07189 [1] c (s) 1-291
H X07189 [1] c (s) 292-336
CH2 X07189 [1] c (s) 337-666
CH3(including CHS) X07189 [1] c (s) 667-987
M1
M2

c: cDNA sequence.
(s): transcript of a secreted chain.

IMGT references:
  1. [1] Brueggemann M. et al., Eur. J. Immunol., 18, 317-319 (1988). PMID: 3127222
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