Table 3. Sequence mutations of CREBBP in 16 HD ALL relapse cases.
| Sample ID | Exon | Nucleotide change | AA change | Affected domain |
|---|---|---|---|---|
| Non-synonymous SNPs | ||||
| 2D+R | 25 | c.4232G>A | G1411E | HAT |
| 3R | 25 | c.4231G>A | G1411R | HAT |
| 3R | 25 | c.4262G>A | C1421Ya | HAT |
| 7D | 27 | c.4471C>A | Q1491K | HAT |
| 7R | 27 | c.4448T>C | I1483T | HAT |
| 10R | 26 | c.4304A>G | D1435G | HAT |
| 11D+R+C | 2 | c.166A>T | S56Ca | Interdomain region |
| 15D+R | 26 | c.4337G>A | R1446Hb | HAT |
| Frameshift/splice site mutation | ||||
| 1D+R | 8 | c.1744_1745delCCinsTTT | P582PhefsX4 | KIX |
| 4R | 21 | c.3836+1G>A | splicing | HAT |
Abbreviations: AA, amino acid; ALL, acute lymphoblastic leukemia; D, diagnosis; HD, hyperdiploid; R, relapse. Reference sequence: NM_004380.2. Accession numbers of CREBBP mutations (NCBI dbSNP database http://www.ncbi.nlm.nih.gov/projects/SNP/): ID1, ss 479152796; ID2, 479152787; ID3 G1411R, 479152788; ID3 C1421Y, 479152789; ID4, 479152795; ID7 Q1491K, 479152790; ID7 I1483T, 479152791; ID10, 479152792; ID11, 479152793.
Mutation predicted to be less likely to affect protein function by Align-GVGD analysis.
Functionally relevant mutation reported by Mullighan et al.15