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|
| Species | OMA ID | Cross-ref | OMA Group | (size) |
| [B] Kineococcus radiotolerans (strain ATCC BAA-149 / DSM 14245 / SRS30216) | KINRD117 |  A6W470 | 328770 | (4) |
| [B] Rhizobium etli (strain CFN 42 / ATCC 51251) | RHIEC5429 | Q2K189 | 328509 | (11) |
| [B] Rhizobium leguminosarum bv. trifolii (strain WSM2304) | RHILW5471 | B6A2F1 | 328509 | (11) |
| [B] Rhizobium leguminosarum bv. viciae (strain 3841) | RHIL36406 | Q1M7P3 | 328509 | (11) |