. 2011 Nov 9;40(Database issue):D881–D886. doi: 10.1093/nar/gkr974

Table 1.

Summary of MGD data content (14 September 2011)

Genes with nucleotide sequence data	28 803
Genes with protein sequence data	25 070
Genes with mutant alleles in mice	15 145
Genes with one of more mutant alleles^a	20 397
Total mutant alleles^a	738 414
Number of cre-containing transgenes and knock-ins	1511
Genes with mouse experiment-based functional (GO) annotations	13 524
Mouse/human orthologs	17 847
Mouse/rat orthologs	16 686
Human diseases with one or more mouse models	1121
QTLs	4670
Number of references	169 700
Number of reference SNPs	10 089 892

^aMutant alleles include those occurring in mice and those existing only in mouse ES cell lines. Of the 738 414 total mutant alleles, 682 745 are gene traps in ES cell lines.