>4u28_A mol:protein length:245 Phosphoribosyl isomerase AMPSKLSRLELLPAVDVRDGQAVRLVHGESGTETSYGSPLEAALSWQRAGAEWLHLVDLDAAFGTGDNRELVRQVTEAMDIKVELSGGIRDDASLAAALATGCTRVNLGTAALESPEWVAKVIAEHGDRIAVGLDVRGTTLKGRGWTSEGGDLYEALERLDKEGCARYVVTDIAKDGTLQGPNLELLRNVCAATDRPVVASGGVSSLDDLRAIAELVPLGVEGSIVGKALYAKAFTLEEALEAVAQ