>sp|Q8PX96|CHEB2_METMA Protein-glutamate methylesterase/protein-glutamine glutaminase 2 OS=Methanosarcina mazei GN=cheB2 MSNQHPKKVLEMVIRALIVDDSALIRKVLSDILNQDPKIAVIGTAINGEDGLEKVRKLKP DVVLLDNIMPVLDGLKTLSHIMEEFPTPVVIVSALGEKAEEITLTALEYGAVDVIEKPSG ILSQSMHEMAEEICAKVRAVSKADLNNLGCIRDLEHQIPENHRKKKNSLREKTSVRNVLA IGASTGGPRALEKLIGSFPAEIPAAVLIVQHMPPGFTASLSKRLDAKSALRVKEAQEGDI MEEGTVFIAPGDYHMEIVRNKVNGFGEDTVHLSCGPKELGSRPSVNVLFRSVARIYGPRV ISLVLTGMNCDGADGAEEIKKMGGKVIAEDQSSCVIYGMPGEIVRRNLADFVLPLDKMAD EIVKIVR