TABLE 1.
Key Dps properties in several bacterial speciesa
| Species | Gene | Oligomer type (reference) | Presence of iron storage (reference) | Presence of ferroxidase (reference) | Preferred oxidant (reference) | No. of atoms in iron core (aerobic) (reference) | Presence of DNA binding (reference) | Presence of K-rich N terminus | Other ion bound (reference) | Other ion-binding site (reference) |
|---|---|---|---|---|---|---|---|---|---|---|
| Agrobacterium tumefaciens | dps | Dodecamer (36) | Y (36) | Y (36) | 500 (36) | N (36) | Y | |||
| Bacillus anthracis | dps1 | Dodecamer (182) | Y (182) | Y (39) | O2 (39) | 500 (39) | N (182) | N | ||
| dps2 | Dodecamer (182) | Y (182) | Y (39) | H2O2 (39) | 500 (39) | N (182) | N | |||
| Bacillus cereus | dps1 | Dodecamer (7) | Y (7) | N | ||||||
| dps2 | Dodecamer (7) | Y (7) | N | |||||||
| dps3 | Dodecamer (57) | Y (57) | Y (57) | N | ||||||
| Dimer (57) | ||||||||||
| Bacillus subtilis | mrgA | Dodecamer (145) | Y (145) | N | ||||||
| Borrelia burgdorferi | dps | Dodecamer (40) | Y (40) | Y (40) | 500 (40) | N (40) | Y | |||
| Campylobacter jejuni | dps | Dodecamer (37) | Y (37) | Y (37) | H2O2 (37) | 500 (37) | Y (91) | N | ||
| Deinococcus radiodurans | dps1 | Dodecamer (79) | Y (79) | Y (79) | H2O2 (183) | 250 (183) | Y (14) | Y | Ca(II) (14) | Ferroxidase center (14) |
| Co(II) (79) | C-term Co(II) site (79) | |||||||||
| N-term Co(II) site (79) | ||||||||||
| dps2 | Trimer (183) | N | Mn(II) (183) | |||||||
| Dimer (14) | Y (14) | Y (14) | Zn(II) (99) | N-term Zn(II) site (99) | ||||||
| Dodecamer (184) | Y (184) | Y (184) | H2O2 (183) | 400 (183) | Y (183) | Mn(II) (183) | ||||
| Escherichia coli | dps | Dodecamer (1) | Y (34) | Y (34) | H2O2 (34) | 500 (34) | Y (1) | Y | ||
| Helicobacter pylori | nap | Dodecamer (156) | Y (33) | Y (33) | 500 (33) | N (33) | N | |||
| Lactococcus lactis | dpsA | Dodecamer (53) | N (53) | Y (53) | Y | |||||
| Trimer (53) | N (53) | |||||||||
| Dimer (53) | N (53) | |||||||||
| dpsB | Dodecamer (53) | N (53) | Y (53) | Y | ||||||
| Listeria innocua | dps | Dodecamer (185) | Y (185) | Y (185) | H2O2 (38) | N (117) | N | |||
| Listeria monocytogenes | fri | Dodecamer (117) | Y (117) | Y (117) | N | |||||
| Microbacterium arborescens | aah | Dodecamer (116) | Y (116) | Y (116) | H2O2 (116) | N (116) | N | |||
| Mycobacterium smegmatis | dpsA | Dodecamer (186) | Y (2) | Y (2) | Y (186) | N | ||||
| Trimer (2) | N (2) | Y (2) | N (2) | |||||||
| dpsB | Dodecamer (27) | Y (187) | Y (187) | Y (27) | N | |||||
| Nostoc punctiforme | dps1 | Dodecamer (188) | Y (188) | Y (188) | H2O2 (188) | N (188) | N | |||
| Trimer (188) | ||||||||||
| dps2 | Dodecamer (188) | Y (188) | Y (188) | H2O2 (188) | Y (188) | Y | ||||
| Trimer (188) | ||||||||||
| dps3 | Dodecamer (188) | Y (188) | Y (188) | H2O2 (188) | Y (188) | Y | ||||
| dps4 | Dodecamer (89) | Y (89) | Y (89) | O2 (89) | Y (189) | N | Zn(II) (89) | Ferroxidase center (89) | ||
| dps5 | Dodecamer (189) | Y (189) | N | |||||||
| Porphyromonas gingivalis | dps | Dodecamer (77) | Y (40) | Y | ||||||
| Staphylococcus aureus | mrgA | Dodecamer (190) | Y (190) | Y (66) | N | |||||
| Staphylococcus suis | dpr | Dodecamer (26) | Y (191) | Y (26) | N | Co(II) (100) | Ferroxidase center (100) | |||
| Cu(II) (100) | Ferroxidase center (100) | |||||||||
| Mn(II) (100) | Ferroxidase center (100) | |||||||||
| Ni(II) (100) | Ferroxidase center (100) | |||||||||
| Zn(II) (97) | Ferroxidase center (97) | |||||||||
| Novel Zn(II) site (97) | ||||||||||
| Tb(II) (97) | Ferroxidase center (97) | |||||||||
| Streptomyces coelicolor | dpsA | Dodecamer (192) | Y (192) | Y (192) | H2O2 (192) | N (192) | N | |||
| dpsB | Dimer (192) | N | ||||||||
| dpsC | Dodecamer (192) | Y (192) | Y (192) | H2O2 (192) | N (192) | Y | ||||
| Sulfolobus solfataricus | dps | Dodecamer (42) | Y (42) | Y (42) | H2O2 (42) | 300 (42) | Y | Zn(II) (9) | ||
| Synechococcus sp. strain PCC 7942 | dpsA | Y (4) | Y (4) | H2O2 (4) | N (4) | N | ||||
| Thermosynechococcus elongatus | dpsA | Dodecamer (96) | Y (96) | Y (96) | 100 (96) | N | Zn(II) (87) | Ferroxidase center (87) | ||
| Trichodesmium erythraeum | dps | Dodecamer (95) | Y (95) | Y (95) | H2O2 (95) | 300 (95) | Y (95) | N | Phosphate (95) | |
a
C-term, C terminal; N-term, N terminal; Y, yes; N, no.