chr10-13278254-C-T

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_006214.4(PHYH):​c.*47G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000438 in 1,240,320 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0018 ( 3 hom., cov: 33)
Exomes 𝑓: 0.00025 ( 0 hom. )

Consequence

PHYH
NM_006214.4 3_prime_UTR

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.594
Variant links:
Genes affected
PHYH (HGNC:8940): (phytanoyl-CoA 2-hydroxylase) This gene is a member of the PhyH family and encodes a peroxisomal protein that is involved in the alpha-oxidation of 3-methyl branched fatty acids. Specifically, this protein converts phytanoyl-CoA to 2-hydroxyphytanoyl-CoA. Mutations in this gene have been associated with Refsum disease (RD) and deficient protein activity has been associated with Zellweger syndrome and rhizomelic chondrodysplasia punctata. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.92).
BP6
Variant 10-13278254-C-T is Benign according to our data. Variant chr10-13278254-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 299241.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00179 (272/152248) while in subpopulation AFR AF= 0.00606 (252/41554). AF 95% confidence interval is 0.00545. There are 3 homozygotes in gnomad4. There are 117 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 3 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PHYHNM_006214.4 linkuse as main transcriptc.*47G>A 3_prime_UTR_variant 9/9 ENST00000263038.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PHYHENST00000263038.9 linkuse as main transcriptc.*47G>A 3_prime_UTR_variant 9/91 NM_006214.4 P1O14832-1
PHYHENST00000396913.6 linkuse as main transcriptc.*47G>A 3_prime_UTR_variant 8/85 O14832-2
PHYHENST00000396920.7 linkuse as main transcriptc.*47G>A 3_prime_UTR_variant 9/95

Frequencies

GnomAD3 genomes
AF:
0.00179
AC:
272
AN:
152130
Hom.:
3
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00608
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000524
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000118
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.000415
AC:
104
AN:
250564
Hom.:
1
AF XY:
0.000244
AC XY:
33
AN XY:
135490
show subpopulations
Gnomad AFR exome
AF:
0.00507
Gnomad AMR exome
AF:
0.000261
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000655
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000971
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000249
AC:
271
AN:
1088072
Hom.:
0
Cov.:
15
AF XY:
0.000188
AC XY:
105
AN XY:
559120
show subpopulations
Gnomad4 AFR exome
AF:
0.00545
Gnomad4 AMR exome
AF:
0.000249
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000254
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000131
Gnomad4 OTH exome
AF:
0.000292
GnomAD4 genome
AF:
0.00179
AC:
272
AN:
152248
Hom.:
3
Cov.:
33
AF XY:
0.00157
AC XY:
117
AN XY:
74442
show subpopulations
Gnomad4 AFR
AF:
0.00606
Gnomad4 AMR
AF:
0.000523
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000118
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.00104
Hom.:
0
Bravo
AF:
0.00180

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Phytanic acid storage disease Benign:1
Likely benign, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJan 13, 2018This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.92
CADD
Benign
1.9
DANN
Benign
0.39

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs180770135; hg19: chr10-13320254; COSMIC: COSV99538084; API