Table 6.

Limb-Specific Transcription Factors and Homologous ESTs

SAGE tag Tag count Copies per cell[ii] Percent abund. UniGene ID Description Tag matching values[iii]
fore hind sum Num Sum Count Fit
General transcription factors
 CTCTTATTTT 2020.550.001538850pre B-cell leukemia transcription factor 12431.00
 CTGATTTATT 0220.550.00157103pre B-cell leukemia transcription factor 252380.52
 CCAAGAAACA 1010.270.000734563metal response element binding transcription factor 12530.80
 CATAATAAAT 0110.270.000738012 Mus musculus Ets transcriptions factor Spi-B, partial cds4411.00
 GACAAGATGT 0110.270.000734795transcription factor AP-2 beta3971.00
 ACGCCCCGGCT 1010.270.0007341124ESTs, highly similar to transcription factor TFE3 (Homo sapiens)1111.00
 TCTCTCATTT 1010.270.0007325856ESTs, moderately similar to AF133123_1 transcription factor IIIC102 (H. sapiens)31191.00
 TTTCAGTGGG 0110.270.0007346503 M. musculus ets family transcription factor ELF2B1 (ELF2) mRNA, complete cds, alternatively spliced.72080.70
 AACAAGAAAG 1010.270.00073897POU domain, class 2, associating factor 1101870.89
Homeodomain containing
 TACGTCTATT 026267.10.0194832paired-like homeodomain transcription factor 12321.00
 CAGAACAAGT 77143.80.0104346ESTs, highly similar to MOX2_MOUSE HOMEOBOX PROTEIN MOX-2  (M. musculus)162370.96
 TCGCCGGGCG 014143.80.0104832paired-like homeodomain transcription factor 11320.67
 TGAATGTTCG 2020.550.00155039sine oculis-related homeobox 2 homolog (Drosophila)1221.00
 TTATACAGAA 2020.550.00151385paired-like homeodomain transcription factor 24411.00
 TCTGTGTATG 1010.270.0007339039iroquois related homeobox 3 (Drosophila)191911.00
 TACAGGACTT 1010.270.000735194distal-less homeobox 31111.00
 TATCAGTTTT 0110.270.000733404mesenchyme homeobox 13311.00
 TATCAGTTTT 0110.270.00073141812ESTs, highly similar to MOX1_MOUSE HOMEOBOX PROTEIN MOX-1  (M. musculus)242950.97
 TTGGCTTCTC 0110.270.00073147618EST, moderately similar to HEX1_MOUSE ANTERIOR-RESTRICTED  HOMEOBOX PROTEIN  (M. musculus)1111.00
 ATGGATAGAC 1010.270.00073153716mesenchyme homeobox 21111.00
Zinc finger containing
 CGATCAGCAA 4041.10.002923452 M. musculus early B-cell factor associated zinc finger transcription factor (Ebfaz) mRNA, complete cds31081.00
 CACTATCTCC 0220.550.001529525ESTs, weakly similar to T33754 O/E-1-associated zinc finger protein Roaz-rat (Rattus norvegicus)92880.57
 GTGGGATGGA 1120.550.0015129369ESTs, weakly cimilar to I48208 zinc finger protein 30-mouse (M. musculus)4521.00
 AAATAAATCT 0220.550.001531016ESTs, weakly similar to Z33A_HUMAN ZINC FINGER PROTEIN 33A (H. sapiens)5511.00
 CCCATAAAAG 1010.270.0007330405Zinc finger protein 9451260.83
 AAAGTACACA 1010.270.00073102799ESTs, weakly similar to zinc finger protein (M. musculus)1111.00
 TTTAAGTTAA 1010.270.0007321914ESTs, highly similar to ZINC FINGER PROTEIN 91 (H. sapiens)626130.69
 GTACGTTTCT 1010.270.00073155690 M. musculus zinc finger protein Sp5 mRNA, complete cds2211.00
 GTCCCTCTCT 1010.270.0007341364ESTs, weakly similar to zinc finger protein s11-6 (M. musculus)71340.77
 GTTCATACAA 1010.270.00073132523ESTs, weakly similar to ZF90_MOUSE ZINC FINGER PROTEIN 90 (M. musculus)1320.67
 AGACATCACA 0110.270.0007320430zinc finger protein 1055731.00
 AGTCACCAAT 0110.270.000732927zinc finger protein 302541.00
 CTTTCTGTTC 0110.270.0007330405zinc finger protein 9431260.67
 CATTCCACAT 0110.270.0007312891zinc finger protein 3263641.00
 GCGCACTCAG 1010.270.0007324775ESTs, weakly similar to zinc finger protein 64 (M. musculus)4851.00
 CTCACAAATC 0110.270.00073117547ESTs, highly similar to zinc finger transcription factor REST protein (R. norvegicus)1111.00
 AGAAGGTGGT 0110.270.0007312930BcL6-associated zinc finger protein2211.00
LIM containing
 GCCTGTGTAA 1013236.30.01721830reversion induced LIM gene283440.91
 CACTTTTGCA 2461.60.004479380LIM homeobox protein 92321.00
 TAAAGACACA 1120.550.001525785LIM domain binding 3112580.72
 GGATTTTACT 0110.270.0007342242ISL1 transcription factor, LIM/homeodomain, (islet-1)3620.67
 TATAGAGGAA 0110.270.0007325785LIM domain binding 362580.52
 ATCTCAGAAA 0110.270.0007370551ESTs, weakly similar to LIM homeobox protein 9 (M. musculus)5621.00

[i] Of the 264 FGFs, transcription factors, related genes, and homologous ESTs identified in our limb SAGE libraries with the ehm-tag-mapping method, only 43 tags, listed here, were specific to the limb sibraries after a virtual subtraction of the non-limb pooled SAGE library.

[ii] Copies per cell was calculated assuming, on average, 500,000 transcripts in a cell (Hastie and Bishop 1976).

[iii] See Methods for a description of these values.