>2PYG_1|Chains A, B|Poly(beta-D-mannuronate) C5 epimerase 4|Azotobacter vinelandii (354) MDYNVKDFGALGDGVSDDRASIQAAIDAAYAAGGGTVYLPAGEYRVSAAGEPGDGCLMLKDGVYLAGAGMGETVIKLIDGSDQKITGMVRSAYGEETSNFGMRDLTLDGNRDNTSGKVDGWFNGYIPGGDGADRDVTIERVEVREMSGYGFDPHEQTINLTIRDSVAHDNGLDGFVADYLVDSVFENNVAYANDRHGFNVVTSTHDFVMTNNVAYGNGSSGLVVQRGLEDLALPSNILIDGGAYYDNAREGVLLKMTSDITLQNADIHGNGSSGVRVYGAQDVQILDNQIHDNAQAAAVPEVLLQSFDDTAGASGTYYTTLNTRIEGNTISGSANSTYGIQERNDGTDYSSLIDNDIAGVQQPIQLYGPHSTVSGEP