| | 46626 | | Cytochrome c |
| | 46689 | | Homeodomain-like |
| | 46785 | | "Winged helix" DNA-binding domain |
| | 46894 | | C-terminal effector domain of the bipartite response regulators |
| | 47113 | | Histone-fold |
| | 47188 | | Hemerythrin |
| | 47226 | | Histidine-containing phosphotransfer domain, HPT domain |
| | 47323 | | Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases |
| | 47384 | | Homodimeric domain of signal transducing histidine kinase |
| | 47757 | | Chemotaxis receptor methyltransferase CheR, N-terminal domain |
| | 47852 | | Hepatitis B viral capsid (hbcag) |
| | 48024 | | N-terminal domain of DnaB helicase |
| | 48179 | | 6-phosphogluconate dehydrogenase C-terminal domain-like |
| | 48452 | | TPR-like |
| | 50331 | | MOP-like |
| | 50341 | | CheW-like |
| | 50447 | | Translation proteins |
| | 50465 | | EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain |
| | 50486 | | FMT C-terminal domain-like |
| | 50621 | | Alanine racemase-like, C-terminal domain |
| | 51419 | | PLP-binding barrel |
| | 51690 | | Quinolinic acid phosphoribosyltransferase, C-terminal domain |
| | 51735 | | NAD(P)-binding Rossmann-fold domains |
| | 52091 | | Anti-sigma factor antagonist SpoIIaa |
| | 52172 | | CheY-like |
| | 52255 | | N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) mutase PurE |
| | 52374 | | Nucleotidylyl transferase |
| | 52540 | | P-loop containing nucleotide triphosphate hydrolases |
| | 52738 | | Methylesterase CheB, C-terminal domain |
| | 53218 | | Molybdenum cofactor biosynthesis proteins |
| | 53271 | | PRTase-like |
| | 53328 | | Formyltransferase |
| | 53335 | | S-adenosyl-L-methionine-dependent methyltransferases |
| | 53613 | | Ribokinase-like |
| | 54211 | | Ribosomal protein S5 domain 2-like |
| | 54675 | | Quinolinic acid phosphoribosyltransferase, N-terminal domain |
| | 54690 | | Molybdopterin synthase subunit MoaE |
| | 55040 | | Molybdenum cofactor biosynthesis protein C, MoaC |
| | 55298 | | YjgF-like |
| | 55681 | | Class II aaRS and biotin synthetases |
| | 55785 | | PYP-like sensor domain (PAS domain) |
| | 55874 | | ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase |
| | 55979 | | DNA clamp |
| | 56235 | | N-terminal nucleophile aminohydrolases (Ntn hydrolases) |
| | 56420 | | Peptide deformylase |
| | 56719 | | Type II DNA topoisomerase |
| | 63867 | | Molybdenum cofactor biosynthesis protein MoeA, C-terminal domain |
| | 63882 | | Molybdenum cofactor biosynthesis protein MoeA, N-terminal and linker domains |
| | 81923 | | Double Clp-N motif |
| | 82051 | | Obg GTP-binding protein N-terminal domain |
| | 82653 | | Probable GTPase Der, C-terminal domain |
