CYP51A1 and coccidioidomycosis: The protein in this case was cytochrome P450 51 A1 (CYP51A1) from Coccidioides immitis, the organism which causes coccidioidomycosis or San Juan Valley fever (Crum et al., 2004 ▶; Hector & Laniado-Laborin, 2005 ▶; Galgiani, 1999 ▶).