>sp|Q4FR86|PUR5_PSYA2 Phosphoribosylformylglycinamidine cyclo-ligase OS=Psychrobacter arcticus GN=purM MSNKPSLSYKDAGVDIDAGDALVQRIKSVAKATSRPEVVGGLGGFGALCRIPTGYTSPLL VSGTDGVGTKLKLALQLNRHDTIGIDLVAMCVNDLLVCGAEPLFFLDYYATGKLDVDVAA TVVTGIGEGCKLSNCALIGGETAEMPGMYQDDDYDLAGFCVGVVEEAEVITGENVTEGDV LIALASSGAHSNGYSLVRKVIEVSGVDVTSSNEQLDGQSIQDALMAPTRIYVKAIKALQD TLGSSALHAMSHITGGGLTDNLPRVLPDHLAASIDTSSWQFSELFTWLQTQGNIEQSEMY RTFNCGVGFVIVVPKDKADAAIKTLTDAGEKAWKLGEMVSREADAVVYR