Table 1.

Candidate variant annotations and predicted impact in patients

Patient 1 variant
Genomic position (hg38) chr11: 119051826 
Gene symbol HYOU1 
HGVSc: Nucleotide change NM_001130991.3: c.1331C>A 
HGVSp: Protein change NP_001124463.1: p.Pro444His 
gnomAD frequency 1.24.10−6 heterozygotes (no homozygotes) 
PolyPhen (score)a Probably damaging 
CADD (phred score)b 16.5 
GERP++_RSc 4.96 
MutationTaster Disease causing 
PhastConsd 0.83 
Patient 2 variant 1 
Genomic position (hg38) chr11: 119054130 
Gene symbol HYOU1 
HGVSc: Nucleotide change NM_001130991.3: c.785G>A 
HGVSp: Protein change p. Arg262Gln 
gnomAD frequency 4.458.10−5 
PolyPhen (score)a Benign 
CADD (phred score)b 25.3 
GERP++_RSc 3.55 
MutationTaster Deleterious 
PhastConsd 0.802 
Patient 2 variant 2 
Genomic position (hg38) chr11: 119048352 
Gene symbol HYOU1 
HGVSc: Nucleotide change NM_001130991.3: c.2270_2272dup 
HGVSp: Protein change p. Pro757_Glu758insAla 
gnomAD frequency Absent 
PolyPhen (score)a Probably damaging 
CADD (phred score)b 42 
GERP++_RSc 5.54 
MutationTaster Deleterious 
PhastConsd 0.869 
a

Polyphen2_HDIV_score: variants with scores between 0.85 and 1.0 are predicted to be damaging with high confidence.

b

CADDv1.4 scores range from 1 to 99, with a higher score indicating greater deleteriousness.

c

GERP++_RS score: DNA conservation score. Scores range from 1 to 6.18. The larger the score, the more conserved the site.

d

PhastCons score: probability of negative selection and ranges between 0 and 1.

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