complement component 4B (Chido blood group) (C4B) - 160 nt intron 25 reference sequence

(intronic numbering for coding DNA Reference Sequence)

         .         .         .         .         .         .  g.18798
gtgagcttgggagagtggttccagggttctgagggggtcagggctggggcaggggtggga  c.3230+60

         .         .  g.18818
cagagctggtatgatgggag  c.3230+80

--------------------- middle of intron ---------------------
                             g.18819    .         .           g.18838
                             c.3231-80  ggtggataaccaggcacctg  c.3231-61

.         .         .         .         .         .           g.18898
ggggcgtgggcataatgagaagcaagtccttatccccaaccctcctttcctgccctccag  c.3231-1