>tr|D2PD39|D2PD39_SULID Methionine synthase OS=Sulfolobus islandicus GN=metE MSKLPLLPTTVIGSYPRPKWLRESIRLHKAGKISDEDLQEAFNDAVIAVLKDHYNAGVDV PTDGEVRRDEMVEFFAERIKGFKFYGPVRVWGTAYYRKPSVVSKIEYKKPMLVDEFTFAK SVSYTDNLKITITGPYTIAEWSYNEYYKNKKDLVFDLAKAINQEIKNLVEAGAKIIQIDE PALHTRREDVSWGVEAVNEAVKGVNAKLVMHICYGEYSFVAPYLNELKVDQINFAFKIYN YKPLELLKRYGFDKELGAGVIDVHNRRIETSEEVANDIRKILEYFTPEKVWINPDCGLKL LSRKIAYQKLVSMVEGTKVVREELKRKGYSVD