3. b.133.1 Dextranase, N-terminal domain Dextranase, N-terminal domain sandwich; 9 strands in 2 sheets; greek-key 1ogo d1ogox1 X:39-47,57-61,97-107,157-165,191-200 1ogm d1ogmx1 X:39-47,57-61,97-107,157-165,191-200