# OC Root 2nd 3rd 4th PC Gene/Definition OC.255360 Archaea.36256 Thaumarchaeota.1342 Nitrosopumilus.4396 nmr.1543 nmr:Nmar_1551 phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 Nitrosopumilus.1869 nir.161 nir:NSED_00750 phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 Nitrosopumilus.2112 nid.97 nid:NPIRD3C_0083 hisI; Phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 Nitrosopumilus.1869 nin.359 nin:NADRNF5_0340 hisI; Phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 - nkr.1611 nkr:NKOR_08435 phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 - nct.208 nct:NMSP_0209 hisI; Phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 - csy.1780 csy:CENSYa_2043 phosphoribosyl-AMP cyclohydrolase/phosphoribosyl-ATP pyrophosphohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 Nitrososphaera.939 nga.3303 nga:Ngar_c35940 hisI; phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 Nitrososphaera.939 nvn.1981 nvn:NVIE_020580 hisI; phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 Nitrososphaera.939 nev.193 nev:NTE_00075 phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 - taa.663 taa:NMY3_00487 bifunctional phosphoribosyl-AMP cyclohydrolase/phosphoribosyl-ATP pyrophosphatase protein; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 - ncv.206 ncv:NCAV_0177 hisI; Phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 - nbv.741 nbv:T478_0767 hisI; phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 - tah.830 tah:SU86_004570 phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19] OC.255360 Archaea.36256 Thaumarchaeota.1342 - ndv.1827 ndv:NDEV_1914 hisI; Phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19]