(used for mutation description)
(last modified March 20, 2012)
This file was created to facilitate the description of sequence variants in the BSCL2 gene based on a coding DNA reference sequence following the HGVS recommendations. The sequence was taken from NG_008461.1, covering BSCL2 transcript variant-1 (NM_001122955.3). Several papers have reported variants in relation to transcript variant-2 (NM_032667.6), using an alternative promoter/exon 1b in intron 1 and a transcription initiation site in exon 2 (Met-65). Transcript variant-3 (NM_001130702.2) uses the same promoter but skips exon 7, generating an alternatively translated C-terminal protein.
Please note that introns are available by clicking on the exon numbers above the sequence.
(upstream sequence) . . . g.6899 gctggtacctgaaggatgaaggatgctagaag c.-481 . . . . . . g.6959 gagctgctcagatcctggagcataccaactgcctggccagtgggggagcctagctgcctg c.-421 . . . . . . g.7019 catccctgcgcacacccccactgtcgctagttcactgcctgcccctcccccattgcaggc c.-361 . . . . . . g.7079 atcctgactctgggctagagacctccccaacagagctgaggccaaggccgactccccctc c.-301 . . . . . . g.7139 tcaaatggcgtggtctgggcctatgacggcccctgcagtggagtctgtactggctgcggg c.-241 . . . . . . g.7199 ggaccctgctcatttgaaaatctgacatcagctgggcagtcgcccccctcctcctttcct c.-181 . . . . . . g.7259 ccctctactctgacacagcacttagcacctgaatcttcgtttctctcccagggaccctcc c.-121 . . . . . . g.7319 attttccatatccaggaaaatgtgatgcgccacaggtatcagcgtctggatcgccacttc c.-61 . . . . . . g.7379 acgttttagccacaagtgactcagtggaagatccagagtcaacagaggctcgtcaggaag c.-1 . . . . . . g.7439 ATGTCTACAGAAAAGGTAGACCAAAAGGAGGAAGCTGGGGAAAAAGAGGTGTGCGGAGAC c.60 M S T E K V D Q K E E A G E K E V C G D p.20 . . | 02. . . . g.8990 CAGATCAAAGGACCGGACAAAGAGGAG | GAACCACCAGCTGCTGCATCCCATGGCCAGGGG c.120 Q I K G P D K E E | E P P A A A S H G Q G p.40 . . . . . . g.9050 TGGCGTCCAGGTGGCAGAGCAGCTAGGAACGCAAGGCCTGAACCTGGGGCCAGACACCCT c.180 W R P G G R A A R N A R P E P G A R H P p.60 . . . . . . g.9110 GCTCTCCCGGCCATGGTCAACGACCCTCCAGTACCTGCCTTACTGTGGGCCCAGGAGGTG c.240 A L P A M V N D P P V P A L L W A Q E V p.80 /16 ^ translation start isoform-2 . . . . . . g.9170 GGCCAAGTCTTGGCAGGCCGTGCCCGCAGGCTGCTGCTGCAGTTTGGGGTGCTCTTCTGC c.300 G Q V L A G R A R R L L L Q F G V L F C p.100 /36 . . . . . . g.9230 ACCATCCTCCTTTTGCTCTGGGTGTCTGTCTTCCTCTATGGCTCCTTCTACTATTCCTAT c.360 T I L L L L W V S V F L Y G S F Y Y S Y p.120 /56 . . . . | 03 . . g.12041 ATGCCGACAGTCAGCCACCTCAGCCCTGTGCATTTCTACTACAG | GACCGACTGTGATTCC c.420 M P T V S H L S P V H F Y Y R | T D C D S p.140 /76 . . . . . . g.12101 TCCACCACCTCACTCTGCTCCTTCCCTGTTGCCAATGTCTCGCTGACTAAGGGTGGACGT c.480 S T T S L C S F P V A N V S L T K G G R p.160 /96 | 04 . . . . . . g.19917 GATCGG | GTGCTGATGTATGGACAGCCGTATCGTGTTACCTTAGAGCTTGAGCTGCCAGAG c.540 D R | V L M Y G Q P Y R V T L E L E L P E p.180 /116 . . . . . . g.19977 TCCCCTGTGAATCAAGATTTGGGCATGTTCTTGGTCACCATTTCCTGCTACACCAGAGGT c.600 S P V N Q D L G M F L V T I S C Y T R G p.200 /136 . . . | 05 . . . g.21807 GGCCGAATCATCTCCACTTCTTCGCGTTCG | GTGATGCTGCATTACCGCTCAGACCTGCTC c.660 G R I I S T S S R S | V M L H Y R S D L L p.220 /156 . . . . . . g.21867 CAGATGCTGGACACACTGGTCTTCTCTAGCCTCCTGCTATTTGGCTTTGCAGAGCAGAAG c.720 Q M L D T L V F S S L L L F G F A E Q K p.240 /176 . . . . | 06 . . g.22116 CAGCTGCTGGAGGTGGAACTCTACGCAGACTATAGAGAGAACTCG | TACGTGCCGACCACT c.780 Q L L E V E L Y A D Y R E N S | Y V P T T p.260 /196 . . . . . . g.22176 GGAGCGATCATTGAGATCCACAGCAAGCGCATCCAGCTGTATGGAGCCTACCTCCGCATC c.840 G A I I E I H S K R I Q L Y G A Y L R I p.280 /216 . . | 07 . . . . g.23190 CACGCGCACTTCACTGGGCTCAG | ATACCTGCTATACAACTTCCCGATGACCTGCGCCTTC c.900 H A H F T G L R | Y L L Y N F P M T C A F p.300 /236 ^ alternatively spliced exon (transcript variant-3) . . . . . . g.23250 ATAGGTGTTGCCAGCAACTTCACCTTCCTCAGCGTCATCGTGCTCTTCAGCTACATGCAG c.960 I G V A S N F T F L S V I V L F S Y M Q p.320 /256 . . . . | 08 . . g.23448 TGGGTGTGGGGGGGCATCTGGCCCCGACACCGCTTCTCTTTGCAG | GTTAACATCCGAAAA c.1020 W V W G G I W P R H R F S L Q | V N I R K p.340 /276 ^ transcript variant-3 uses a shifted reading frame . . . . . | 09 . g.23715 AGAGACAATTCCCGGAAGGAAGTCCAACGAAGGATCTCTGCTCATCAGCCAG | GGCCTGAA c.1080 R D N S R K E V Q R R I S A H Q P G | P E p.360 /296 . . . . . . g.23775 GGCCAGGAGGAGTCAACTCCGCAATCAGATGTTACAGAGGATGGTGAGAGCCCTGAAGAT c.1140 G Q E E S T P Q S D V T E D G E S P E D p.380 /316 . | 10 . . . . . g.23929 CCCTCAGGGACAG | AGGGTCAGCTGTCCGAGGAGGAGAAACCAGATCAGCAGCCCCTGAGC c.1200 P S G T E | G Q L S E E E K P D Q Q P L S p.400 /336 . . . | 11 . . . g.24079 GGAGAAGAGGAGCTAGAGCCTGAGGCCAGTGATG | GTTCAGGCTCCTGGGAAGATGCAGCT c.1260 G E E E L E P E A S D G | S G S W E D A A p.420 /356 . . . . . . g.24139 TTGCTGACGGAGGCCAACCTGCCTGCTCCTGCTCCTGCTTCTGCTTCTGCCCCTGTCCTA c.1320 L L T E A N L P A P A P A S A S A P V L p.440 /376 . . . . . . g.24199 GAGACTCTGGGCAGCTCTGAACCTGCTGGGGGTGCTCTCCGACAGCGCCCCACCTGCTCT c.1380 E T L G S S E P A G G A L R Q R P T C S p.460 /396 g.24208 AGTTCCTGA c.1389 S S X p.462 /398 . . . . . . g.24268 agaaaaggggcagactcctcacattccagcactttcccacctgactcctctcccctcgtt c.*60 . . . . g.24313 tttccttcaataaactattttgtgtcagcttcttccttgactctg c.*105 (downstream sequence)
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