| [B] Arthrobacter aurescens (strain TC1) | ARTAT00878 | A1R3A0 | Alpha-amylase family protein |
| [B] Alkaliphilus metalliredigens (strain QYMF) | ALKMQ02708 | A6TSC6 | Alpha amylase, catalytic region |
| [B] Clostridium beijerinckii (strain ATCC 51743 / NCIMB 8052) | CLOB804805 | A6M332 | Alpha amylase, catalytic region |
| [B] Clostridium botulinum (strain Alaska E43 / type E3) | CLOBA03065 | B2V047 | Amylopullulanase |
| [B] Clostridium botulinum (strain Eklund 17B / type B) | CLOBB03325 | B2TR26 | Amylopullulanase |
| [B] Clostridium difficile (strain 630) | CLOD600903 | Q18A77 | putative alpha-amylase |
| [B] Clostridium kluyveri (strain ATCC 8527 / DSM 555 / NCIMB 10680) | CLOK503332 | A5N2Z0 | Apu |
| [B] Clostridium perfringens | CLOPE00066 | Q8XP99 | Amylopullulanase |
| [B] Desulfotomaculum reducens (strain MI-1) | DESRM01390 | A4J4I5 | Alpha amylase, catalytic region |
| [B] Lactobacillus acidophilus | LACAC00652 | Q5FL63 | amylopullulanase |
| [B] Lactobacillus casei (strain ATCC 334) | LACC301869 | Q036T2 | amylopullulanase |
| [B] Lactobacillus casei (strain BL23) | LACCB02098 | B3W999 | Alpha-amylase |
| [B] Lactobacillus delbrueckii subsp. bulgaricus (strain ATCC 11842 / DSM 20081) | LACDA01636 | LACDA_A.1702 | pseudo Putative alpha-amylase (fragment) |
| [B] Lactobacillus plantarum | LACPL00023 | Q890I6 | alpha-amylase |
| [B] Lactobacillus salivarius subsp. salivarius (strain UCC118) | LACS101264 | Q1WSN3 | Alpha-amylase COG0366 [G] Glycosidases |
| [B] Lactococcus lactis subsp. cremoris (strain MG1363) | LACLM01771 | A2RMB2 | Amylopullulanase |
| [B] Lactococcus lactis subsp. cremoris (strain SK11) | LACLS00631 | Q030T2 | amylopullulanase |
| [B] Lactococcus lactis subsp. lactis | LACLA00683 | Q9CHM7 | Amylopullulanase |