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Table 2 Duplicate gene-pairs in R. sphaeroides with selective constraint (ω) < 1 (ordered by ω)

From: Evolutionary constraints and expression analysis of gene duplications in Rhodobacter sphaeroides 2.4.1

aGene 1 aGene 2 Function bLocation cLength dDivergence e Ka e Ks eω fCorrelation gCosine
RSP_1647 RSP_3650 Protease CI/CII 312 13 0.0207 0.7894 0.0262 0.7507 0.9805
RSP_6194 RSP_6200 Hypothetical CII/CII 140 4 0.0174 0.4721 0.0369 N/A N/A
RSP_3624 RSP_3792 Hypothetical CII/CII 238 8 0.0318 0.8434 0.0377 0.7706 0.9452
RSP_2482 RSP_4189 Receptor PC/PD 294 6 0.0270 0.5608 0.0481 0.9162 0.9250
RSP_2064 RSP_6012 Hypothetical CI/CI 126 11 0.0485 0.9247 0.0525 N/A N/A
RSP_4252 RSP_3907 Hypothetical PD/PA 163 2 0.0050 0.0757 0.0658 N/A N/A
RSP_1653 RSP_6190 Hypothetical CI/CII 208 18 0.0821 1.0949 0.0750 N/A N/A
RSP_3908 RSP_4251 Hypothetical PA/PD 185 1 0.0023 0.0279 0.0811 N/A N/A
RSP_1638 RSP_2062 Hypothetical CI/CI 126 5 0.0406 0.4615 0.0881 0.7369 0.7604
RSP_1645 RSP_3652 Phage‐related CI/CII 419 4 0.0565 0.5853 0.0965 0.9933 0.9694
RSP_2063 RSP_1639 Hypothetical CI/CI 147 9 0.0317 0.3017 0.1051 0.9995 0.9700
RSP_3627 RSP_3784 Protease CII/CII 448 5 0.0180 0.1697 0.1061 N/A N/A
RSP_7390 RSP_3896 Transposase PD/PA 413 15 0.0759 0.6951 0.1091 N/A N/A
RSP_1956 RSP_6196 Hypothetical CI/CII 124 8 0.0396 0.2751 0.1439 N/A N/A
RSP_4138 RSP_3902 Hypothetical PD/PA 265 4 0.0156 0.1028 0.1513 N/A N/A
RSP_1951 RSP_3622 Hypothetical CI/CII 116 4 0.0242 0.1428 0.1692 0.2186 0.7307
RSP_4178 RSP_3012 Transposase PD/CII 119 26 0.1629 0.7886 0.2066 0.5797 0.9629
RSP_2061 RSP_1637 Hypothetical CI/CI 70 15 0.0548 0.2219 0.2467 0.1230 0.1230
RSP_6035 RSP_3772 Hypothetical CI/CII 113 36 0.2654 0.9499 0.2794 N/A N/A
RSP_3904 RSP_7352 Conjugation PA/PE 638 2 0.3479 1.0456 0.3327 N/A N/A
RSP_3628 RSP_3786 Hypothetical CII/CII 106 16 0.1400 0.3513 0.3985 0.1197 0.8483
RSP_1966 RSP_3007 Transposase CI/CII 242 1 0.0279 0.0577 0.4842 0.9688 0.9963
RSP_3894 RSP_3978 Transport PA/PB 276 4 0.0620 0.1005 0.6171 0.0315 0.9396
RSP_1955 RSP_3647 Hypothetical CI/CII 219 28 0.2077 0.2090 0.9937 0.7644 0.8779
  1. agene name as shown in R. sphaeroides 2.4.1 annotation at NCBI.
  2. blocation: chromosome I (CI), chromosome II (CII), or plasmids (PA,PB, PC, PD, or PE).
  3. caverage length of the duplicate genes.
  4. dpercentage of amino acid divergence between protein homologs.
  5. eevolutionary constraint parameters: nonsynonymous substitution rate (K a ), synonymous substitution rate (K s ), and K a / K s (ω).
  6. fPearson’s correlation.
  7. gcosine similarity.
  8. Note that “N/A” is given for the pair, whose corresponding gene expression does not exist in the microarray.