V_spacer
12 or 23 nucleotide spacer between the V-heptamer and the V-nonamer of a V-gene recombination feature of an immunoglobulin/T-cell receptor gene.
SO:0000563
vertebrate_immune_system_gene_recombination_spacer
is_a
SO:0000538
V_gene_recombination_feature
part_of
V spacer
exact
V-SPACER
exact