>sp|Q8PVF0|NAC_METMA Nascent polypeptide-associated complex protein OS=Methanosarcina mazei GN=nac MFPGMGGVGGRGMNPAKMKQMMKQMGIDVKELKDVEEVVIKTADSNIVIENANVTIMTVQ GSETYQIVGDVKEVPKSLEIPAEDIKLVMEQTGVSEEEARNALKNSNGDLAEAIVALSSA