Table 1.

Similarity groups of proteins putatively encoded within the symbiotic island

GroupSimilarity to proteinsNo. of proteins (% of totala)Avg size (amino acids)
1From rhizobia (excluding group 4)136 (35)259
2From organisms besides rhizobia (excluding group 4)64 (16)434
3No similarity114 (29)183
4Involved in transposition and recombination74 (19)255
5From Rhizobium sp. strain NGR234 (including group 4)120 (31)NDb
  • a Rounded values.

  • b ND, not determined.