>sp|B4S4X8|ISPH_PROA2 4-hydroxy-3-methylbut-2-enyl diphosphate reductase OS=Prosthecochloris aestuarii GN=ispH MKVNLDRTSSGFCIGVQGTIHLAEEKLREHDGKLYCLGDIVHNEVEVKRLEELGLITIDL NEYSALTNAPVLIRAHGEPPSTYTTAKSNQLDVTDSTCPVVAKLQRSARMLHNRGYQIII YGKKNHPEVIGINGQCDNQAIIIKHPDLSAPEETAPLDFTRRTALISQTTMDVPGFAMLK ENLERLFSASAGPGERHAASHWQDIRDIDLTAEITGVRPLPKFLYKDTICRQVSSRNSKL HDFAAQNDVVIFVAGKKSSNGQVLFNICKASNPRTYFAEDEKDIQDEWLLENRQPVQSAG VCGATSTPMWLLEKVARSIESRFSS