2831175 MED92_17445 erpA 2831139 MED92_12256 nfuA 2831389 MED92_00535 iscR 2831390 MED92_00540 iscS 2831391 MED92_00545 iscU 2831392 MED92_00550 iscA 2831393 MED92_00555 hscB 2831394 MED92_00560 hscA 2831395 MED92_00565 fdx