More than 300 homologs were found in PanDaTox collection
for query gene Avin_51440 on replicon NC_012560
Organism: Azotobacter vinelandii DJ



Page 1 of 3    << first  < prev  1  2  3    next >  last >>   


Replicon accession

Locus tag

Product

% identity

Alignment on query gene

Alignment on homolog gene

Length

Bit score

E-value

Organism name

Kingdom

Plasmid clonability

Plasmid unclonability p-value

Fosmid clonability

Fosmid unclonability p-value

Coverage Plot

PanDaTox homologs

Experimental validation
NC_012560  Avin_51440  Short-chain dehydrogenase/reductase (SDR) family protein  100 
 
 
260 aa  533  1e-150  Azotobacter vinelandii DJ  Bacteria  normal  n/a   
 
 
-
 
NC_009654  Mmwyl1_4106  short-chain dehydrogenase/reductase SDR  62 
 
 
256 aa  338  4e-92  Marinomonas sp. MWYL1  Bacteria  normal  decreased coverage  0.00000000241543 
 
 
-
 
NC_009076  BURPS1106A_3483  NAD dependent epimerase/dehydratase family protein  58.23 
 
 
271 aa  288  9e-77  Burkholderia pseudomallei 1106a  Bacteria  normal  n/a   
 
 
-
 
NC_006348  BMA2483  short chain dehydrogenase/reductase family oxidoreductase  58.23 
 
 
268 aa  287  1e-76  Burkholderia mallei ATCC 23344  Bacteria  normal  0.709099  n/a   
 
 
-
 
NC_007434  BURPS1710b_3480  short chain dehydrogenase/reductase family oxidoreductase  58.23 
 
 
268 aa  287  1e-76  Burkholderia pseudomallei 1710b  Bacteria  normal  0.538943  n/a   
 
 
-
 
NC_008785  BMASAVP1_A0403  short chain dehydrogenase/reductase family oxidoreductase  58.23 
 
 
268 aa  287  1e-76  Burkholderia mallei SAVP1  Bacteria  normal  0.253369  n/a   
 
 
-
 
NC_009074  BURPS668_3445  NAD dependent epimerase/dehydratase family protein  58.23 
 
 
268 aa  287  1e-76  Burkholderia pseudomallei 668  Bacteria  normal  n/a   
 
 
-
 
NC_008836  BMA10229_A1263  short chain dehydrogenase/reductase family oxidoreductase  58.23 
 
 
268 aa  287  1e-76  Burkholderia mallei NCTC 10229  Bacteria  normal  n/a   
 
 
-
 
NC_009080  BMA10247_3302  short chain dehydrogenase/reductase family oxidoreductase  58.23 
 
 
268 aa  287  1e-76  Burkholderia mallei NCTC 10247  Bacteria  normal  n/a   
 
 
-
 
NC_007908  Rfer_0433  short-chain dehydrogenase/reductase SDR  57.6 
 
 
254 aa  286  2e-76  Rhodoferax ferrireducens T118  Bacteria  normal  n/a   
 
 
-
 
NC_007951  Bxe_A0549  putative short-chain dehydrogenase/reductase, FabG-like  57.43 
 
 
266 aa  283  2.0000000000000002e-75  Burkholderia xenovorans LB400  Bacteria  normal  0.204322  normal  0.437639 
 
 
-
 
NC_010681  Bphyt_3408  short-chain dehydrogenase/reductase SDR  57.03 
 
 
266 aa  282  4.0000000000000003e-75  Burkholderia phytofirmans PsJN  Bacteria  normal  0.0359384  normal  0.0764099 
 
 
-
 
NC_007651  BTH_I1182  short chain dehydrogenase/reductase family oxidoreductase  58.63 
 
 
271 aa  282  4.0000000000000003e-75  Burkholderia thailandensis E264  Bacteria  normal  n/a   
 
 
-
 
NC_007510  Bcep18194_A3706  Short-chain dehydrogenase/reductase SDR  55.82 
 
 
268 aa  272  4.0000000000000004e-72  Burkholderia sp. 383  Bacteria  normal  0.283086  normal  0.654023 
 
 
-
 
NC_012791  Vapar_5073  short-chain dehydrogenase/reductase SDR  55.82 
 
 
261 aa  271  1e-71  Variovorax paradoxus S110  Bacteria  normal  n/a   
 
 
-
 
NC_010084  Bmul_2761  short-chain dehydrogenase/reductase SDR  55.06 
 
 
264 aa  269  2.9999999999999997e-71  Burkholderia multivorans ATCC 17616  Bacteria  normal  normal  0.386853 
 
 
-
 
NC_008390  Bamb_0525  short-chain dehydrogenase/reductase SDR  55.16 
 
 
271 aa  269  2.9999999999999997e-71  Burkholderia ambifaria AMMD  Bacteria  normal  n/a   
 
 
-
 
NC_010622  Bphy_2612  short-chain dehydrogenase/reductase SDR  53.73 
 
 
266 aa  268  5e-71  Burkholderia phymatum STM815  Bacteria  normal  normal  0.227086 
 
 
-
 
NC_007912  Sde_0771  GntR family transcriptional regulator  53.6 
 
 
256 aa  265  5.999999999999999e-70  Saccharophagus degradans 2-40  Bacteria  hitchhiker  0.00515913  normal  0.0552536 
 
 
-
 
NC_011365  Gdia_0389  short-chain dehydrogenase/reductase SDR  54.12 
 
 
261 aa  264  8e-70  Gluconacetobacter diazotrophicus PAl 5  Bacteria  normal  0.132836  normal  0.554145 
 
 
-
 
NC_010551  BamMC406_0549  short-chain dehydrogenase/reductase SDR  54.76 
 
 
270 aa  263  2e-69  Burkholderia ambifaria MC40-6  Bacteria  decreased coverage  0.00753595  normal  0.67708 
 
 
-
 
NC_012791  Vapar_1041  short-chain dehydrogenase/reductase SDR  53.2 
 
 
258 aa  261  6e-69  Variovorax paradoxus S110  Bacteria  normal  0.208357  n/a   
 
 
-
 
NC_008577  Shewana3_2071  short-chain dehydrogenase/reductase SDR  50 
 
 
256 aa  260  2e-68  Shewanella sp. ANA-3  Bacteria  hitchhiker  0.00640028  hitchhiker  0.00000248708 
 
 
-
 
NC_010508  Bcenmc03_0592  short-chain dehydrogenase/reductase SDR  55.02 
 
 
271 aa  259  4e-68  Burkholderia cenocepacia MC0-3  Bacteria  normal  normal  0.0410788 
 
 
-
 
NC_008060  Bcen_0141  short-chain dehydrogenase/reductase SDR  55.02 
 
 
271 aa  259  4e-68  Burkholderia cenocepacia AU 1054  Bacteria  normal  n/a   
 
 
-
 
NC_008542  Bcen2424_0624  short-chain dehydrogenase/reductase SDR  55.02 
 
 
271 aa  259  4e-68  Burkholderia cenocepacia HI2424  Bacteria  normal  0.0853252  n/a   
 
 
-
 
NC_007802  Jann_2374  short-chain dehydrogenase/reductase SDR  50.81 
 
 
251 aa  258  6e-68  Jannaschia sp. CCS1  Bacteria  normal  normal 
 
 
-
 
NC_008321  Shewmr4_1984  short-chain dehydrogenase/reductase SDR  49.6 
 
 
256 aa  256  2e-67  Shewanella sp. MR-4  Bacteria  hitchhiker  0.00682949  normal  0.0302653 
 
 
-
 
NC_008322  Shewmr7_1990  short-chain dehydrogenase/reductase SDR  49.6 
 
 
256 aa  256  2e-67  Shewanella sp. MR-7  Bacteria  normal  0.0224708  unclonable  0.0000202886 
 
 
-
 
NC_007912  Sde_0761  putative oxidoreductase  49.4 
 
 
255 aa  251  7e-66  Saccharophagus degradans 2-40  Bacteria  normal  normal  0.429001 
 
 
-
 
NC_009438  Sputcn32_2061  short-chain dehydrogenase/reductase SDR  48.4 
 
 
256 aa  250  2e-65  Shewanella putrefaciens CN-32  Bacteria  normal  0.138185  n/a   
 
 
-
 
NC_011663  Sbal223_2145  short-chain dehydrogenase/reductase SDR  47.6 
 
 
256 aa  248  6e-65  Shewanella baltica OS223  Bacteria  normal  0.0597739  normal  0.690345 
 
 
-
 
NC_008752  Aave_2258  short-chain dehydrogenase/reductase SDR  53.08 
 
 
271 aa  246  2e-64  Acidovorax citrulli AAC00-1  Bacteria  normal  0.0225727  hitchhiker  0.000000282328 
 
 
-
 
NC_008786  Veis_0735  short-chain dehydrogenase/reductase SDR  50.8 
 
 
270 aa  241  9e-63  Verminephrobacter eiseniae EF01-2  Bacteria  normal  0.304096  normal 
 
 
-
 
NC_009484  Acry_2599  short-chain dehydrogenase/reductase SDR  45.63 
 
 
257 aa  228  1e-58  Acidiphilium cryptum JF-5  Bacteria  normal  n/a   
 
 
-
 
NC_008254  Meso_3587  short-chain dehydrogenase/reductase SDR  50.2 
 
 
255 aa  227  2e-58  Chelativorans sp. BNC1  Bacteria  normal  0.435673  n/a   
 
 
-
 
NC_007493  RSP_1369  Short-chain dehydrogenase/reductase SDR  51.79 
 
 
260 aa  226  4e-58  Rhodobacter sphaeroides 2.4.1  Bacteria  normal  n/a   
 
 
-
 
NC_009049  Rsph17029_0037  short-chain dehydrogenase/reductase SDR  52.19 
 
 
260 aa  226  4e-58  Rhodobacter sphaeroides ATCC 17029  Bacteria  normal  normal 
 
 
-
 
NC_008228  Patl_3529  short-chain dehydrogenase/reductase SDR  45.45 
 
 
270 aa  221  9e-57  Pseudoalteromonas atlantica T6c  Bacteria  normal  n/a   
 
 
-
 
NC_009952  Dshi_1243  short-chain dehydrogenase/reductase SDR  51.02 
 
 
258 aa  220  9.999999999999999e-57  Dinoroseobacter shibae DFL 12  Bacteria  normal  0.455666  normal  0.236793 
 
 
-
 
NC_007953  Bxe_C1363  D-xylose dehydrogenase  44.98 
 
 
268 aa  219  3.9999999999999997e-56  Burkholderia xenovorans LB400  Bacteria  normal  0.879722  normal  0.999685 
 
 
-
 
NC_009428  Rsph17025_0027  short-chain dehydrogenase/reductase SDR  52.19 
 
 
288 aa  216  2.9999999999999998e-55  Rhodobacter sphaeroides ATCC 17025  Bacteria  normal  normal 
 
 
-
 
NC_008043  TM1040_3488  short-chain dehydrogenase/reductase SDR  47.35 
 
 
256 aa  216  2.9999999999999998e-55  Ruegeria sp. TM1040  Bacteria  normal  normal  0.742718 
 
 
-
 
NC_009654  Mmwyl1_0516  short-chain dehydrogenase/reductase SDR  45.78 
 
 
254 aa  215  5.9999999999999996e-55  Marinomonas sp. MWYL1  Bacteria  normal  0.098133  normal 
 
 
-
 
NC_007802  Jann_3834  short-chain dehydrogenase/reductase SDR  46.46 
 
 
256 aa  215  7e-55  Jannaschia sp. CCS1  Bacteria  normal  0.140905  normal 
 
 
-
 
NC_012857  Rpic12D_4189  short-chain dehydrogenase/reductase SDR  47.39 
 
 
255 aa  209  3e-53  Ralstonia pickettii 12D  Bacteria  normal  normal 
 
 
-
 
NC_010678  Rpic_4077  short-chain dehydrogenase/reductase SDR  47.39 
 
 
255 aa  209  3e-53  Ralstonia pickettii 12J  Bacteria  normal  0.13973  normal 
 
 
-
 
NC_010505  Mrad2831_5401  short-chain dehydrogenase/reductase SDR  45.42 
 
 
258 aa  207  2e-52  Methylobacterium radiotolerans JCM 2831  Bacteria  normal  normal 
 
 
-
 
NC_008786  Veis_0941  short-chain dehydrogenase/reductase SDR  45.78 
 
 
251 aa  205  5e-52  Verminephrobacter eiseniae EF01-2  Bacteria  normal  normal  0.995863 
 
 
-
 
NC_011369  Rleg2_0503  short-chain dehydrogenase/reductase SDR  46.59 
 
 
253 aa  195  5.000000000000001e-49  Rhizobium leguminosarum bv. trifolii WSM2304  Bacteria  normal  normal 
 
 
-
 
NC_012850  Rleg_0546  short-chain dehydrogenase/reductase SDR  46.25 
 
 
257 aa  196  5.000000000000001e-49  Rhizobium leguminosarum bv. trifolii WSM1325  Bacteria  normal  normal 
 
 
-
 
NC_009636  Smed_0438  short-chain dehydrogenase/reductase SDR  44.62 
 
 
256 aa  194  2e-48  Sinorhizobium medicae WSM419  Bacteria  normal  normal  0.285603 
 
 
-
 
NC_010338  Caul_4001  short-chain dehydrogenase/reductase SDR  43.03 
 
 
259 aa  193  3e-48  Caulobacter sp. K31  Bacteria  normal  normal 
 
 
-
 
BN001304  ANIA_07128  conserved hypothetical protein  39.55 
 
 
275 aa  189  5e-47  Aspergillus nidulans FGSC A4  Eukaryota  hitchhiker  0.00131023  normal  0.0770254 
 
 
-
 
NC_010506  Swoo_3666  short-chain dehydrogenase/reductase SDR  40.65 
 
 
255 aa  183  2.0000000000000003e-45  Shewanella woodyi ATCC 51908  Bacteria  hitchhiker  0.00136979  normal 
 
 
-
 
NC_007963  Csal_1729  D-xylose dehydrogenase  44.05 
 
 
245 aa  181  1e-44  Chromohalobacter salexigens DSM 3043  Bacteria  normal  0.380531  n/a   
 
 
-
 
NC_011737  PCC7424_5536  short-chain dehydrogenase/reductase SDR  38.1 
 
 
254 aa  171  2e-41  Cyanothece sp. PCC 7424  Bacteria  n/a    normal  0.0819159 
 
 
-
 
NC_010003  Pmob_0729  short-chain dehydrogenase/reductase SDR  34.43 
 
 
251 aa  151  8.999999999999999e-36  Petrotoga mobilis SJ95  Bacteria  normal  0.0262547  n/a   
 
 
-
 
NC_009901  Spea_2148  short-chain dehydrogenase/reductase SDR  38.37 
 
 
247 aa  149  4e-35  Shewanella pealeana ATCC 700345  Bacteria  normal  n/a   
 
 
-
 
NC_013595  Sros_1990  short-chain dehydrogenase/reductase SDR  36.14 
 
 
249 aa  147  2.0000000000000003e-34  Streptosporangium roseum DSM 43021  Bacteria  normal  normal 
 
 
-
 
NC_013510  Tcur_3357  short-chain dehydrogenase/reductase SDR  37.05 
 
 
253 aa  145  6e-34  Thermomonospora curvata DSM 43183  Bacteria  hitchhiker  0.00078495  n/a   
 
 
-
 
NC_009708  YpsIP31758_0935  2-deoxy-D-gluconate 3-dehydrogenase  36.95 
 
 
251 aa  144  1e-33  Yersinia pseudotuberculosis IP 31758  Bacteria  normal  n/a   
 
 
-
 
NC_010465  YPK_0987  2-deoxy-D-gluconate 3-dehydrogenase  36.95 
 
 
251 aa  143  2e-33  Yersinia pseudotuberculosis YPIII  Bacteria  normal  n/a   
 
 
-
 
NC_010159  YpAngola_A3369  2-deoxy-D-gluconate 3-dehydrogenase  36.95 
 
 
251 aa  143  2e-33  Yersinia pestis Angola  Bacteria  normal  normal  0.589225 
 
 
-
 
NC_008740  Maqu_1429  short-chain dehydrogenase/reductase SDR  36.4 
 
 
256 aa  144  2e-33  Marinobacter aquaeolei VT8  Bacteria  normal  n/a   
 
 
-
 
NC_012034  Athe_1156  3-oxoacyl-(acyl-carrier-protein) reductase  34.96 
 
 
248 aa  143  3e-33  Anaerocellum thermophilum DSM 6725  Bacteria  hitchhiker  0.0000000536759  n/a   
 
 
-
 
NC_007511  Bcep18194_B1012  Short-chain dehydrogenase/reductase SDR  37.14 
 
 
251 aa  142  6e-33  Burkholderia sp. 383  Bacteria  normal  0.0198691  normal  0.370278 
 
 
-
 
NC_008148  Rxyl_3046  short-chain dehydrogenase/reductase SDR  34.92 
 
 
252 aa  142  7e-33  Rubrobacter xylanophilus DSM 9941  Bacteria  normal  n/a   
 
 
-
 
NC_007794  Saro_0512  short-chain dehydrogenase/reductase SDR  35.34 
 
 
248 aa  141  9.999999999999999e-33  Novosphingobium aromaticivorans DSM 12444  Bacteria  normal  n/a   
 
 
-
 
NC_009767  Rcas_0104  short-chain dehydrogenase/reductase SDR  36.07 
 
 
246 aa  139  3.9999999999999997e-32  Roseiflexus castenholzii DSM 13941  Bacteria  normal  0.650868  normal 
 
 
-
 
NC_013501  Rmar_2801  3-oxoacyl-(acyl-carrier-protein) reductase  40.8 
 
 
249 aa  139  3.9999999999999997e-32  Rhodothermus marinus DSM 4252  Bacteria  normal  n/a   
 
 
-
 
NC_007778  RPB_1751  Short-chain dehydrogenase/reductase SDR  35.63 
 
 
257 aa  139  6e-32  Rhodopseudomonas palustris HaA2  Bacteria  normal  normal  0.0168825 
 
 
-
 
NC_009523  RoseRS_4552  short-chain dehydrogenase/reductase SDR  36.29 
 
 
246 aa  139  7e-32  Roseiflexus sp. RS-1  Bacteria  normal  normal 
 
 
-
 
NC_009427  Saro_3667  short-chain dehydrogenase/reductase SDR  37.3 
 
 
259 aa  138  7.999999999999999e-32  Novosphingobium aromaticivorans DSM 12444  Bacteria  normal  n/a   
 
 
-
 
NC_010320  Teth514_1783  3-ketoacyl-(acyl-carrier-protein) reductase  32.54 
 
 
255 aa  138  7.999999999999999e-32  Thermoanaerobacter sp. X514  Bacteria  decreased coverage  0.000332127  n/a   
 
 
-
 
NC_010718  Nther_2742  3-oxoacyl-(acyl-carrier-protein) reductase  31.84 
 
 
246 aa  137  1e-31  Natranaerobius thermophilus JW/NM-WN-LF  Bacteria  normal  normal 
 
 
-
 
NC_013730  Slin_1373  3-oxoacyl-(acyl-carrier-protein) reductase  36.99 
 
 
248 aa  138  1e-31  Spirosoma linguale DSM 74  Bacteria  normal  0.124306  normal 
 
 
-
 
NC_013385  Adeg_0958  3-oxoacyl-(acyl-carrier-protein) reductase  35.77 
 
 
247 aa  137  2e-31  Ammonifex degensii KC4  Bacteria  normal  n/a   
 
 
-
 
NC_008687  Pden_3580  short-chain dehydrogenase/reductase SDR  35.34 
 
 
252 aa  137  2e-31  Paracoccus denitrificans PD1222  Bacteria  normal  normal 
 
 
-
 
NC_010483  TRQ2_1110  3-oxoacyl-(acyl-carrier-protein) reductase  37.1 
 
 
246 aa  137  3.0000000000000003e-31  Thermotoga sp. RQ2  Bacteria  normal  n/a   
 
 
-
 
NC_009720  Xaut_1138  short-chain dehydrogenase/reductase SDR  37.6 
 
 
255 aa  136  3.0000000000000003e-31  Xanthobacter autotrophicus Py2  Bacteria  normal  normal 
 
 
-
 
NC_013946  Mrub_1897  short-chain dehydrogenase/reductase SDR  35.48 
 
 
247 aa  135  4e-31  Meiothermus ruber DSM 1279  Bacteria  normal  hitchhiker  0.00100219 
 
 
-
 
NC_007348  Reut_B4572  2,5-dichloro-2,5-cyclohexadiene-1,4-diol dehydrogenase  34.25 
 
 
258 aa  136  4e-31  Ralstonia eutropha JMP134  Bacteria  normal  n/a   
 
 
-
 
NC_008782  Ajs_2100  short-chain dehydrogenase/reductase SDR  31.56 
 
 
250 aa  136  4e-31  Acidovorax sp. JS42  Bacteria  normal  0.0527344  normal 
 
 
-
 
NC_011004  Rpal_4233  short-chain dehydrogenase/reductase SDR  34.82 
 
 
257 aa  136  4e-31  Rhodopseudomonas palustris TIE-1  Bacteria  normal  n/a   
 
 
-
 
NC_011898  Ccel_1173  short-chain dehydrogenase/reductase SDR  35.22 
 
 
256 aa  135  5e-31  Clostridium cellulolyticum H10  Bacteria  normal  0.0283651  n/a   
 
 
-
 
NC_008726  Mvan_3000  short-chain dehydrogenase/reductase SDR  36.78 
 
 
248 aa  135  6.0000000000000005e-31  Mycobacterium vanbaalenii PYR-1  Bacteria  normal  0.767749  normal  0.280666 
 
 
-
 
NC_011146  Gbem_1433  short-chain dehydrogenase/reductase SDR  37.25 
 
 
237 aa  135  7.000000000000001e-31  Geobacter bemidjiensis Bem  Bacteria  normal  0.10295  n/a   
 
 
-
 
NC_009565  TBFG_12034  20-beta-hydroxysteroid dehydrogenase fabG3  37.8 
 
 
260 aa  135  7.000000000000001e-31  Mycobacterium tuberculosis F11  Bacteria  normal  normal 
 
 
-
 
NC_007958  RPD_3548  short-chain dehydrogenase/reductase SDR  36.44 
 
 
257 aa  135  8e-31  Rhodopseudomonas palustris BisB5  Bacteria  normal  normal 
 
 
-
 
NC_011831  Cagg_0630  3-oxoacyl-(acyl-carrier-protein) reductase  34.16 
 
 
246 aa  135  8e-31  Chloroflexus aggregans DSM 9485  Bacteria  normal  normal 
 
 
-
 
NC_009486  Tpet_1020  3-oxoacyl-(acyl-carrier-protein) reductase  36.69 
 
 
246 aa  135  9e-31  Thermotoga petrophila RKU-1  Bacteria  normal  0.0122832  n/a   
 
 
-
 
NC_013744  Htur_4226  short-chain dehydrogenase/reductase SDR  35.94 
 
 
255 aa  134  9.999999999999999e-31  Haloterrigena turkmenica DSM 5511  Archaea  normal  n/a   
 
 
-
 
NC_007336  Reut_C6404  3-oxoacyl-[acyl-carrier-protein] reductase  36.99 
 
 
246 aa  134  9.999999999999999e-31  Ralstonia eutropha JMP134  Bacteria  normal  n/a   
 
 
-
 
NC_010335  Caul_5136  short-chain dehydrogenase/reductase SDR  32.27 
 
 
254 aa  134  9.999999999999999e-31  Caulobacter sp. K31  Bacteria  normal  0.708802  normal 
 
 
-
 
NC_007950  Bpro_5564  short-chain dehydrogenase/reductase SDR  31.56 
 
 
250 aa  134  9.999999999999999e-31  Polaromonas sp. JS666  Bacteria  normal  0.0387947  normal 
 
 
-
 
NC_010830  Aasi_0105  3-oxoacyl-(acyl-carrier-protein) reductase  35.46 
 
 
248 aa  134  9.999999999999999e-31  Candidatus Amoebophilus asiaticus 5a2  Bacteria  n/a    normal 
 
 
-
 
NC_009636  Smed_2462  short chain dehydrogenase  37.9 
 
 
254 aa  134  9.999999999999999e-31  Sinorhizobium medicae WSM419  Bacteria  normal  0.131471  normal 
 
 
-
 
NC_010552  BamMC406_4593  short-chain dehydrogenase/reductase SDR  36.03 
 
 
251 aa  133  1.9999999999999998e-30  Burkholderia ambifaria MC40-6  Bacteria  normal  hitchhiker  0.00700945 
 
 
-
 
NC_007511  Bcep18194_B1174  Short-chain dehydrogenase/reductase SDR  36.99 
 
 
252 aa  134  1.9999999999999998e-30  Burkholderia sp. 383  Bacteria  normal  normal  0.252044 
 
 
-
 
Page 1 of 3    << first  < prev  1  2  3    next >  last >>