>sp|O75223-4|GGCT_HUMAN Isoform 4 of Gamma-glutamylcyclotransferase OS=Homo sapiens OX=9606 GN=GGCT MANSGCKDVTGPDEESFLYFAYGSNLLTERIHLRNPSAAFFCVARLQDFKLDFGNSQGKT SQTWHGGIATIFQSPGDEVWGVVWKMNKSNLNSLDEWRKKRHTAFQNQGNHPCKHKTRMW DRDPKIPVQNLSLALCWQAQSGHGTCNRLFAWVQKKMVCRWSIKRS