EcR EcRC EcRB ms(2)06410 ms(2)42A ecdysone receptor ecr ECR-C ecdysone-Receptor EcRB1 snaggletooth ecdysone receptor complex Ecdysone-R ecdysterone receptor lie EcR-B EcR-A EcRA EcdR CG8347 DEcR Ecdysone receptor USP Usp Ecdysone Receptor ECR Ecr snt DmEcR EcRB-1 Ecr1B EcR1b dECR EcR-B1 Dhr23 EcrB1 dmEcR ecdysteroid receptor CG1765 male sterile(2)42A long island expressway anon-WO0229075.1 NR1H1 Ecdyson Receptor 1b gene