Figure 5 of Otteson, Mol Vis 2005; 11:986-995.


Figure 5. Alignment of exon 1 from zebrafish crx with exons 1 and 2 from mammalian CRX identifies two regions of sequence similarity

Exon 1 of zebrafish crx contains regions of sequence similarity with both exons 1 and 2 of the mammalian CRX genes. The highest sequence identity is in the coding region and flanking 5' untranslated regions of exon1 in zebrafish crx and exon 2 in mammalian crx. There is a second region of sequence similarity between the 5' UTR of the zebrafish and exon 1 of the mammalian crx genes. The translation start site (ATG) is indicated by the three astericks (***) and identical bases are shown in blue. The following sequences were used in this alignment: Zebrafish (Danio rerio; AF503443) human (Homo sapiens; BC016664, BG396702); mouse (Mus musculus; AK053533); and dog (Canis familiaris; AF454668).

zebrafish EXON 1  (1) CGGCACGAGGCTCATAGTGTCCCGCTCCTGTCCGGTCTTACCCAAGG-GA
    human EXON 1  (1) -------------------TGCCAC-CTTGGCCGGGATTACCCTCCGAGT
    mouse EXON 1  (1) --------------------------------------------------
      dog EXON 1  (1) --------------------------------------------------

zebrafish EXON 1 (50) CACGCGCCTTTACCAACGCCAAAACTCTGACCAAGAGCCAGCAACTTTTC
    human EXON 1 (31) TCCAGGCCATGACAAATGACATCACTC---CC--GGCCCAGAAAATCTCC
    mouse EXON 1  (1) --------------------------------------------------
      dog EXON 1  (1) --------------------------------------------------

zebrafish EXON 1 (100) TCGCATATAGACATTTATTTGTTCTTTAACTCACAT-TAGGGTCTATTA
    human EXON 1  (76) CCATGTGAGGGGATGTGTTTCCT-TCAGCCTCTGCTGTCTGGCCGCTCT
    mouse EXON 1   (1) ---------------GATTTCCTCT-AGCCTCTGCTGTCTGATGACACC
      dog EXON 1   (1) ---------------------------CCACCTGAGGACTC-TGACTCC

zebrafish EXON 1 (149) TTGGATATTTAGAGCGAT-AGTAATG-GTAGATTCCTACTTAAACTTGG
    human EXON 1 (125) GTCTAGGTCCTGGGCCAC-GGGAGAG-CCCCGTCCCTCCTTTCTGAAG-
    mouse EXON 1  (33) ATCCAGTACCTGAACATCCAGGAGAGTCCCCATTTCTCCTTTCCAAAG-
      dog EXON 1  (23) AACCAGGTCCTGGGCCACCAGGAGAG--CCTGACCCTGTTTTTGGAAG-

zebrafish EXON 1 (196) GCAAAAGTGTAAGCTTATTGAAGACAGCGAGTAGCGCGCGCGCGAGCAT
    human CRX    (170) -------------------------------------------------
    mouse CRX     (80) -------------------------------------------------
      dog CRX     (68) -------------------------------------------------

zebrafish EXON 1 (246) CTACAGCTGTTTGAGGAGCACAGACACGCGCCAGGCGCGAGCACAGACA
    human CRX    (170) -------------------------------------------------
    mouse CRX     (80) -------------------------------------------------
      dog CRX     (68) -------------------------------------------------

zebrafish EXON 1 (296) CGCGACCCCCGACCCGTAAAACAGCGTCGCAGAGAAAAAAGAGAGTGAG
    human CRX    (170) -------------------------------------------------
    mouse CRX     (80) -------------------------------------------------
      dog CRX     (68) -------------------------------------------------

zebrafish EXON 1 (348) AGGGGTGAGAGGGAGGGAGAGAGAGAGCAATAGAGAGAGTGTGCGAGAG
    mouse EXON 2   (1) --------------------------------GTGCCCTC--ATCTGGG
    human EXON 2   (1) --------------------------------GCCCCCTG--ACTTGGG
      dog EXON 2   (1) --------------------------------GCCCGCAGAGACCTGGG

                                            ***
zebrafish EXON 1  (398) ACGCGGC-CGTCCCAAGA--ATGATGTCCTACATAAAGC---AGCCCC
    mouse EXON 2   (19) CCACAG--TCTCTGAAGATCATGATGGCATATATGAACCCGGGGCCTC
    human EXON 2   (21) CCTCAGTGTCCCCGAAGATCATGATGGCGTATATGAACCCGGGGCCCC
      dog EXON 2   (23) CCACAGTATCCCCAAAGATCATGATGGCGTATATGAACCCGGGGCCCC

zebrafish EXON 1  (440) ATTATGCTGTGAACGGGTTAACACTGTCCGCCTCAGGAATGGACCTGC
    mouse EXON 2   (69) ACTATTCAGTCAATGCCTTGGCTCTGAGTGGCCCCAATGTGGACCTGA
    human EXON 2   (71) ACTATTCTGTCAACGCCTTGGCCCTAAGTGGCCCCAGTGTGGATCTGA
      dog EXON 2   (73) ACTACTCGGTCAACGCCTTGGCCCTCAGCGGTCCCAGCGTGGATCTGA

zebrafish EXON 1  (490) TCCACACCGCCGTCGGCTACCCAG
    mouse EXON 2  (119) TGCACCAGGCTGTCCCATACTCAA
    human EXON 2  (121) TGCACCAGGCTGTGCCCTACCCAA
      dog EXON 2  (123) TGCACCAAGCTGTGTCCTATCCAA

Otteson, Mol Vis 2005; 11:986-995 <http://www.molvis.org/molvis/v11/a118/>
©2005 Molecular Vision <http://www.molvis.org/molvis/>
ISSN 1090-0535