Olfactory receptors in Release 12 mouse genome assembly [1] Olfactory receptors in Release 13 mouse genome assembly Total number of olfactory receptor sequences 1,468 1,490 Number of partial sequences (at end or gap in Celera scaffold) 262/1,468 (18%) 96/1,490 (6%) Number of full olfactory receptor sequences 1,206/1,468 (82%) 1,394/1,490 (94%) Interrupted by repeat sequence 134/1,206 (11%) 117/1,394 (8%) Contains frameshift or stop codon 206/1,206 (17%) 170/1,394 (12%) Intact ORF 866/1,206 (72%) 1,107/1,394 (79%) Intact class I 104/866 (12%) 124/1,107 (11%) Intact class II 762/866 (88%) 983/1,107 (89%)