IMGT Repertoire (IG and TR)

Domestic cat (Felis catus) IGH locus on chromosome 8

The domestic cat (Felis catus) IGH locus is on chromosome B3. The orientation of the locus is reverse (REV).
The domestic cat (Felis catus) IGH locus spans 2110 kilobases (kb), from 10 kb upstream of the most 5' gene in the locus, IGHV3-89 (P), to 10 kb downstream of the most 3' gene in the locus, IGHA (F). The Locus representation encompasses 2110 kb.
The domestic cat (Felis catus) IGH locus consists of 89 IGHV genes belonging to 4 IGHV subgroups, 6 IGHD genes belonging to 6 IGHD sets, 6 IGHJ genes belonging to 6 IGHJ sets, and 7 IGHC genes.
The IGHV genes span 1930 kilobases (kb), the IGHD genes span 32 kilobases (kb), the IGHJ genes span 6 kilobases (kb) and the IGHC genes span 142 kilobases (kb).

References:

[1]	Chen Z., Pet Genome Center, Ocra Biotechnology Co., Limited, 18 Science Park West Avenue, Hongkong 00000, China (20-JUL-2025) GenBank assembly ID: GCA_051911875.1

More information:
Gene table: Domestic cat (Felis catus) IGHV
Gene table: Domestic cat (Felis catus) IGHD
Gene table: Domestic cat (Felis catus) IGHJ
Gene table: Domestic cat (Felis catus) IGHC
Potential germline repertoire: Domestic cat (Felis catus) IGHV, IGHD and IGHJ genes on chromosome B3