>sp|B2U3M8|RTCA_SHIB3 RNA 3'-terminal phosphate cyclase OS=Shigella boydii serotype 18 GN=rtcA MKRMIALDGAQGEGGGQILRAALSLSMITGQPFTITSIRAGRAKPGLLRQHLTAVKAAAE ICRATVEGAELGSQRLVFRPGAVRGGEYRFAIGSAGSCTLVLQTVLPALWFADGPSRVEV SGGTDNPSAPPADFIRRVLEPLLAKIGIHQQTTLLRHGFYPAGGGVVATEVSPVASFNTL QLGERGNIVQMRGEVLLAGVPRHVAEREIATLAGSFSLHEQNIHNLPRDQGPGNTVSLEV ESENITERFFVVGEKRVSAEVVAAQLVKEVKRYLASPAAVGEYLADQLVLPMALAGAGEF TVAHPSCHLLTNIAVVERFLPVRFGLIETDGVTRVSIE