Genetic information of reported STAT20-deficient patients
| Patient | Nucleotide change | Deduced amino acid change | MAF | Intron/Exon | CADD score | Predicted effect | In silico splicing prediction | Effect on STAT2 mRNA and protein | Reference |
|---|---|---|---|---|---|---|---|---|---|
| P1 and P2 | c.1467_1468insC | K490Qfs*41 | Private | Exon 17 | 24 | Frameshift + stop-gain | | Complete loss of expression of STAT2 | Current report |
| P3 | c.941+1G>T | – | Private | Intron 9 | 33 | Splice mutation | Disrupted WT donor splice site | Complete loss of expression of STAT2 | Current report |
| P4–P9 | c.381+5G>C | NA | Private | Intron 4 | 11.71 | Splice mutation | Disrupted WT donor splice site | Retention of introns 4 and 6, skipping of exons 16 and 17, nonsense-mediated decay, and complete loss of expression of STAT2 | (16, 17) |
| P10 and P11 | c.1836C>A | C612X | Private | Exon 20 | 37 | Stop-gain | | Complete loss of expression of STAT2 | (24) |
| P12 and P13 | c.1528C>T c.1576G>A | R510X NA | Private | Exon 17 Exon 16 | 35 33 | Stop-gain Splice mutation | Disrupted WT donor splice site | cDNA nonsense-mediated decay and complete loss of expression of STAT2 | (25) |
| P14 and P15 | c.1883_1884del | V628fs*14 | Private | Exon 21 | 34 | Frameshift + stop-gain | | Complete loss of expression of STAT2 | (16) |
| P16–P18 | c.988C>T | R330X | Private | Exon 10 | 36 | Stop-gain | | Complete loss of expression of STAT2 | (16) |
| P19–P22 | c.820C>T | Q274X | Private | Exon 9 | 34 | Stop-gain | | Complete loss of expression of STAT2 | (16) |
| P23 | c.1999C>T | R667X | Private | Exon 21 | 38 | Stop-gain | | Complete loss of expression of STAT2 | (21) |
| P24 | c.1209+1delG | NA | Private | Intron 13 | 24.1 | Splice mutation | Disrupted WT donor splice site | Complete loss of expression of STAT2 | (26) |
| P25 and P26 | DelChr12:56360796-56352109/DelChr12:56355504-56348082 | NA | Private | 5′ upstream-intron 8 Exon 5-intron 19 | NA | Large deletion | | Complete loss of expression of STAT2 | (16) |
| P27 | c.633+2T>C | | Private | Intron 7 | | Splice mutation | Disrupted WT donor splice site | Complete loss of expression of STAT2 | (27) |
| P28 | c.2053C>T c.1838C>T | Q685X S613F | Private | Exon 22 Exon 20 | 35 29.4 | Stop-gain | | Complete loss of expression of STAT2 | (22) |
| Patient | Nucleotide change | Deduced amino acid change | MAF | Intron/Exon | CADD score | Predicted effect | In silico splicing prediction | Effect on STAT2 mRNA and protein | Reference |
|---|---|---|---|---|---|---|---|---|---|
| P1 and P2 | c.1467_1468insC | K490Qfs*41 | Private | Exon 17 | 24 | Frameshift + stop-gain | | Complete loss of expression of STAT2 | Current report |
| P3 | c.941+1G>T | – | Private | Intron 9 | 33 | Splice mutation | Disrupted WT donor splice site | Complete loss of expression of STAT2 | Current report |
| P4–P9 | c.381+5G>C | NA | Private | Intron 4 | 11.71 | Splice mutation | Disrupted WT donor splice site | Retention of introns 4 and 6, skipping of exons 16 and 17, nonsense-mediated decay, and complete loss of expression of STAT2 | ( |
| P10 and P11 | c.1836C>A | C612X | Private | Exon 20 | 37 | Stop-gain | | Complete loss of expression of STAT2 | ( |
| P12 and P13 | c.1528C>T | R510X | Private | Exon 17 | 35 | Stop-gain | Disrupted WT donor splice site | cDNA nonsense-mediated decay and complete loss of expression of STAT2 | ( |
| P14 and P15 | c.1883_1884del | V628fs*14 | Private | Exon 21 | 34 | Frameshift + stop-gain | | Complete loss of expression of STAT2 | ( |
| P16–P18 | c.988C>T | R330X | Private | Exon 10 | 36 | Stop-gain | | Complete loss of expression of STAT2 | ( |
| P19–P22 | c.820C>T | Q274X | Private | Exon 9 | 34 | Stop-gain | | Complete loss of expression of STAT2 | ( |
| P23 | c.1999C>T | R667X | Private | Exon 21 | 38 | Stop-gain | | Complete loss of expression of STAT2 | ( |
| P24 | c.1209+1delG | NA | Private | Intron 13 | 24.1 | Splice mutation | Disrupted WT donor splice site | Complete loss of expression of STAT2 | ( |
| P25 and P26 | DelChr12:56360796-56352109/DelChr12:56355504-56348082 | NA | Private | 5′ upstream-intron 8 | NA | Large deletion | | Complete loss of expression of STAT2 | ( |
| P27 | c.633+2T>C | | Private | Intron 7 | | Splice mutation | Disrupted WT donor splice site | Complete loss of expression of STAT2 | ( |
| P28 | c.2053C>T | Q685X | Private | Exon 22 | 35 | Stop-gain | | Complete loss of expression of STAT2 | ( |
MAF, minor allele frequency; WT, wild type.
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