- genetic mapping GGPP synthase GGPP synthase|9530089B04Rik|1810026C22Rik geranylgeranyl diphosphate synthase 1 protein coding gene 1810026C22Rik Ggps1 MGI:1341724 http://identifiers.org/mgd/MGI:1341724 9530089B04Rik O Gene