| Feature | N_region |
| Definition | extra nucleotides inserted between rearranged immunoglobulin segments |
| Optional Qualifiers |
/allele="free text" /gene="free text" /gene_synonym="free text" /map="free text" /note="free text" /product="free text" /pseudo /standard_name="free text" |
| Parent Key | CDS |
| Organism scope | eukaryotes |