Guanylate kinase Essential for recycling GMP and indirectly, cGMP (By similarity). 196 gmk MTENTHAGRLIVLTGPTAVGKGTVEAKLRADHPEVWVSVSATTRAPRPGEVDGVNYWFLTEDEFLAREAAGEFLETAVVHGMAHYGTLLKPVEEHLAAGVPTILEIDLQGARRVKQRAAELDLEVVYVFIAPPSFEELERRLIGRGTETAEQQARRLETAKVELAAESEFDVTIVNETVDQAAADLWSVIAKEYGL KGUA_BIFLO GMP kinase BL0070