rs148393887

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 3P and 1B. PP4BP4PM3

This summary comes from the ClinGen Evidence Repository: PAH-specific ACMG/AMP criteria applied: BP4: In silico overwhelmingly predict benign. REVEL = 0.553; PP4: Detected in a patient with non PKU hyperphe (PMID:11244681); PM3: H100R detected with IVS10 (PMID:11244681). In summary this variant meets criteria to be classified as uncertain significance for phenylketonuria in an autosomal recessive manner based on the ACMG/AMP criteria applied as specified by the PAH Expert Panel: (BP4, PP4, PM3). LINK:https://erepo.genome.network/evrepo/ui/classification/CA6748985/MONDO:0009861/006

Frequency

Genomes: 𝑓 0.00034 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00059 ( 1 hom. )

Consequence

PAH
NM_000277.3 missense

Scores

3
15

Clinical Significance

Uncertain significance reviewed by expert panel U:10

Conservation

PhyloP100: 1.73

Publications

4 publications found
Variant links:
Genes affected
PAH (HGNC:8582): (phenylalanine hydroxylase) This gene encodes a member of the biopterin-dependent aromatic amino acid hydroxylase protein family. The encoded phenylalanine hydroxylase enzyme hydroxylates phenylalanine to tyrosine and is the rate-limiting step in phenylalanine catabolism. Deficiency of this enzyme activity results in the autosomal recessive disorder phenylketonuria. [provided by RefSeq, Aug 2017]
PAH Gene-Disease associations (from GenCC):
  • phenylketonuria
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, Myriad Women’s Health, G2P
  • classic phenylketonuria
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • maternal phenylketonuria
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • mild hyperphenylalaninemia
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • mild phenylketonuria
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • tetrahydrobiopterin-responsive hyperphenylalaninemia/phenylketonuria
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM3
For more information check the summary or visit ClinGen Evidence Repository.
PP4
For more information check the summary or visit ClinGen Evidence Repository.
BP4
For more information check the summary or visit ClinGen Evidence Repository.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000277.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PAH
NM_000277.3
MANE Select
c.299A>Gp.His100Arg
missense
Exon 3 of 13NP_000268.1P00439
PAH
NM_001354304.2
c.299A>Gp.His100Arg
missense
Exon 4 of 14NP_001341233.1P00439

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PAH
ENST00000553106.6
TSL:1 MANE Select
c.299A>Gp.His100Arg
missense
Exon 3 of 13ENSP00000448059.1P00439
PAH
ENST00000549111.5
TSL:1
n.395A>G
non_coding_transcript_exon
Exon 3 of 6
PAH
ENST00000906695.1
c.299A>Gp.His100Arg
missense
Exon 3 of 14ENSP00000576754.1

Frequencies

GnomAD3 genomes
AF:
0.000342
AC:
52
AN:
152230
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000661
Gnomad OTH
AF:
0.000956
GnomAD2 exomes
AF:
0.000314
AC:
79
AN:
251456
AF XY:
0.000361
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.000376
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.000536
Gnomad OTH exome
AF:
0.000489
GnomAD4 exome
AF:
0.000594
AC:
869
AN:
1461836
Hom.:
1
Cov.:
31
AF XY:
0.000589
AC XY:
428
AN XY:
727224
show subpopulations
African (AFR)
AF:
0.000119
AC:
4
AN:
33480
American (AMR)
AF:
0.000358
AC:
16
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39692
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86258
European-Finnish (FIN)
AF:
0.0000562
AC:
3
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000723
AC:
804
AN:
1111968
Other (OTH)
AF:
0.000679
AC:
41
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.468
Heterozygous variant carriers
0
42
83
125
166
208
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
34
68
102
136
170
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000342
AC:
52
AN:
152230
Hom.:
0
Cov.:
32
AF XY:
0.000255
AC XY:
19
AN XY:
74378
show subpopulations
African (AFR)
AF:
0.0000482
AC:
2
AN:
41462
American (AMR)
AF:
0.000131
AC:
2
AN:
15282
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5206
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.0000942
AC:
1
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000661
AC:
45
AN:
68042
Other (OTH)
AF:
0.000956
AC:
2
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.483
Heterozygous variant carriers
0
3
5
8
10
13
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000472
Hom.:
0
Bravo
AF:
0.000378
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.000465
AC:
4
ExAC
AF:
0.000247
AC:
30
EpiCase
AF:
0.000981
EpiControl
AF:
0.000533

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:reviewed by expert panel
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
7
-
Phenylketonuria (7)
-
1
-
Inborn genetic diseases (1)
-
1
-
not provided (1)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.062
BayesDel_addAF
Benign
-0.027
T
BayesDel_noAF
Uncertain
0.070
CADD
Benign
13
DANN
Benign
0.93
DEOGEN2
Benign
0.25
T
Eigen
Benign
-0.40
Eigen_PC
Benign
-0.23
FATHMM_MKL
Benign
0.51
D
LIST_S2
Benign
0.77
T
M_CAP
Benign
0.078
D
MetaRNN
Benign
0.12
T
MetaSVM
Uncertain
0.043
D
MutationAssessor
Benign
0.090
N
PhyloP100
1.7
PrimateAI
Benign
0.43
T
PROVEAN
Benign
0.23
N
REVEL
Uncertain
0.55
Sift
Benign
0.44
T
Sift4G
Benign
0.55
T
Polyphen
0.0
B
Vest4
0.73
MVP
0.97
MPC
0.034
ClinPred
0.022
T
GERP RS
5.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.23
gMVP
0.55
Mutation Taster
=27/73
disease causing

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

Other links and lift over

dbSNP: rs148393887; hg19: chr12-103288566; API