>sp|Q3J6P9|HIS2_NITOC Phosphoribosyl-ATP pyrophosphatase OS=Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB 11848 / C-107) OX=323261 GN=hisE PE=3 SV=1 MNNTLERLATLLEERKNADPQHSYVAHLYQAGQDKILKKLGEEAIETILAAKSRESDAII YETADLWFHSLVMLAESGLRPEQVLSELERRFGLSGLEEKANRG