>sp|A9BDN8|PUR9_PROM4 Bifunctional purine biosynthesis protein PurH OS=Prochlorococcus marinus GN=purH MARIALISVSNKDGLIPFAKTLTTLHGFEIISSGGTARALKEANIPVKTVSDYTGAPEIL GGRVKTLHPRIHGGILAKQGNSSHQFDLEKENIKNIDLVVVNLYPFQETISDPDVTWDNA IENIDIGGPAMIRAAAKNHESVSILTNPNQYDAFLEKLEAGEISTTIKAKLALEAFEHTA SYDIAISQWLSKQIESKYSPYLTSQPIKQTLRYGENPHQNANWYSAVNQGWGQAEQLQGK ELSTNNLLDLEAAVATIREFGYDLGNKGNSCEKAAVIIKHTNPCGVAVSNNLSNAFNLAL ECDSISAFGGIVALNCNLDAATAKELSSLFLECVVAPDYDANALEILSTKKNLRIIKLSH SSIKSSERKYIRSILGGILVQEVDDKLIEPNEWKVPTKLQMSIEDKADLAFAWRVVRHVR SNAIVVASAGQTLGIGAGQMNRIGAAKIALEAAGEKAQGAVLASDGFFPFDDTVHLASRY GIKSIIQPGGSIRDQSSIDACNQLGLSMIFTGKRHFLH