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Table 2 Intron/exon phasing in vertebrate clade B serpin genes

From: Analysis of vertebrate genomes suggests a new model for clade B serpin evolution

Species Gene1 A2 B C3 D E F G
D. rerio B1 UTR 0 NP 0 1 0 0
T. nigroviridis
T. rubripes
B1 UTR 0 NP 0 1 0 0
X. tropicalis B1 UTR 0 NP 0 1 0 0
  B5 UTR 0 NP 0 1 0 0
  B6 UTR 0 NP 0 1 0 0
  B12 UTR 0 NP 0 1 0 0
G. gallus B1 UTR 0 NP 0 1 0 0
  B2 UTR 0 0 0 1 0 0
  B5 UTR 0 NP 0 1 0 0
  B6 UTR 0 NP 0 1 0 0
  B10a UTR 0 * 0 1 0 0
  B10b UTR 0 0 0 1 0 0
  B12 UTR 0 0 0 1 0 0
  B14 UTR 0 0 0 1 0 0
  B14b UTR 0 0 0 1 0 0
  B14c UTR 0 0 0 1 0 0
H. Sapiens B1 UTR 0 NP 0 1 0 0
  B2 UTR 0 0 0 1 0 0
  B3/4 UTR 0 0 0 1 0 0
  B5 UTR 0 NP 0 1 0 0
  B6 UTR 0 NP 0 1 0 0
  B7 UTR 0 0 0 1 0 0
  B8 UTR 0 NP 0 1 0 0
  B9 UTR 0 NP 0 1 0 0
  B10 UTR 0 0 0 1 0 0
  B11 UTR 0 0 0 1 0 0
  B12 UTR 0 0 0 1 0 0
  B13 UTR 0 0 0 1 0 0
  1. 1 Gene names are given without the Serpin root.
  2. 2 UTR = intron occurs in the 5' untranslated region and thus has no phase
  3. 3 NP = Intron not present, * = Intron cannot be reliably predicted and no EST exists.
  4. Intron phasing predicted from consensus sequence