>sp|Q6N3F2|HPND_RHOPA Presqualene diphosphate synthase OS=Rhodopseudomonas palustris GN=hpnD MTVHATPEPAAHQGVALGSSFYAAMRILPRPQREAMFQVYSFCRFVDDIADSDRPREQRV AELQQWRDDIAALYRGAPPPRLADYQESLRTFGLKREDFEAIIDGMEMDVDADIRAPDEA TLDLYCDRVASAVGRLSVRIFGLPEADGIELSHHLGRALQLTNILRDIDEDAGIGRLYLP SELLHKVGITATDPRVVAADSALPSVCAPLVERALAHFAAADKVMNRNPRRVVKAPRIMG KYYYSILQLLIARGFAAPRAPVKLGKASKIAILLQYAIV