GCS light chain Glutamate--cysteine ligase regulatory subunit Glutamate--cysteine ligase modifier subunit Gamma-glutamylcysteine synthetase regulatory subunit MGTDSRAAGALLARASTLHLQTGNLLNWGRLRKKCPSTHSEELRDCIQKTLNEWSSQISPDLVREFPDVLECTMSHAVEKINPDEREEMKVSAKLFIVGSNSSSSTRSAVDMACSVLGVAQLDSVIMASPPIEDGVNLSLEHLQPYWEELENLVQSKKIVAIGTSDLDKTQLEQLYQWAQVKPNSNQVNLASCCVMPPDLTAFAKQFDIQLLTHNDPKELLSEASFQEALQESIPDIEAQDWVPLWLLRYSVIVKSRGIIKSKGYILQAKRRGS 274 GSH0_MOUSE Glclr Gclm Gamma-ECS regulatory subunit