chr16-69109424-G-A
Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 1P and 5B. PP2BP4BS2
The NM_001199280.2(HAS3):c.29G>A(p.Arg10His) variant causes a missense change. The variant allele was found at a frequency of 0.000036 in 1,610,822 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000037 ( 0 hom. )
Consequence
HAS3
NM_001199280.2 missense
NM_001199280.2 missense
Scores
3
8
6
Clinical Significance
Conservation
PhyloP100: 5.94
Genes affected
HAS3 (HGNC:4820): (hyaluronan synthase 3) The protein encoded by this gene is involved in the synthesis of the unbranched glycosaminoglycan hyaluronan, or hyaluronic acid, which is a major constituent of the extracellular matrix. This gene is a member of the NODC/HAS gene family. Compared to the proteins encoded by other members of this gene family, this protein appears to be more of a regulator of hyaluronan synthesis. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2010]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -4 ACMG points.
PP2
?
Missense variant where missense usually causes diseases, HAS3
BP4
?
Computational evidence support a benign effect (MetaRNN=0.3118062).
BS2
?
High AC in GnomAdExome at 15 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
HAS3 | NM_001199280.2 | c.29G>A | p.Arg10His | missense_variant | 2/4 | ENST00000569188.6 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
HAS3 | ENST00000569188.6 | c.29G>A | p.Arg10His | missense_variant | 2/4 | 2 | NM_001199280.2 | P1 | |
HAS3 | ENST00000306560.1 | c.29G>A | p.Arg10His | missense_variant | 2/4 | 1 | P1 | ||
HAS3 | ENST00000219322.7 | c.29G>A | p.Arg10His | missense_variant | 2/4 | 1 | |||
HAS3 | ENST00000566118.5 | c.29G>A | p.Arg10His | missense_variant | 2/4 | 5 |
Frequencies
GnomAD3 genomes ? AF: 0.0000263 AC: 4AN: 152224Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.0000604 AC: 15AN: 248214Hom.: 0 AF XY: 0.0000670 AC XY: 9AN XY: 134354
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GnomAD4 exome AF: 0.0000370 AC: 54AN: 1458480Hom.: 0 Cov.: 31 AF XY: 0.0000565 AC XY: 41AN XY: 725538
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Mar 27, 2023 | The c.29G>A (p.R10H) alteration is located in exon 2 (coding exon 1) of the HAS3 gene. This alteration results from a G to A substitution at nucleotide position 29, causing the arginine (R) at amino acid position 10 to be replaced by a histidine (H). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
Cadd
Pathogenic
Dann
Uncertain
DEOGEN2
Uncertain
D;.;T;D
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Uncertain
D
M_CAP
Uncertain
D
MetaRNN
Benign
T;T;T;T
MetaSVM
Benign
T
MutationAssessor
Uncertain
M;M;.;M
MutationTaster
Benign
D;D;D
PrimateAI
Pathogenic
D
PROVEAN
Uncertain
D;D;D;D
Sift
Uncertain
D;D;D;D
Sift4G
Uncertain
D;D;D;D
Polyphen
D;D;.;D
Vest4
MVP
MPC
2.1
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at