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rs137852795

Variant summary

Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PM2PP3_StrongPP5

The NM_144639.3(UROC1):c.1348C>T(p.Arg450Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000316 in 1,614,180 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 12/21 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 34)
Exomes 𝑓: 0.000028 ( 0 hom. )

Consequence

UROC1
NM_144639.3 missense

Scores

15
3
1

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 9.60
Variant links:
Genes affected
UROC1 (HGNC:26444): (urocanate hydratase 1) This gene encodes an enzyme involved in the second step of histidine catabolism, metabolizing urocanic acid to formiminoglutamic acid. Deficiency of this enzyme results in urocanic aciduria, and is an apparent cause of mental retardation. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2021]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 7 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.988
PP5
Variant 3-126498141-G-A is Pathogenic according to our data. Variant chr3-126498141-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 407.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
UROC1NM_144639.3 linkuse as main transcriptc.1348C>T p.Arg450Cys missense_variant 14/20 ENST00000290868.7
UROC1NM_001165974.2 linkuse as main transcriptc.1528C>T p.Arg510Cys missense_variant 15/21

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
UROC1ENST00000290868.7 linkuse as main transcriptc.1348C>T p.Arg450Cys missense_variant 14/201 NM_144639.3 P1Q96N76-1
UROC1ENST00000383579.3 linkuse as main transcriptc.1528C>T p.Arg510Cys missense_variant 15/211 Q96N76-2

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152208
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000398
AC:
10
AN:
251458
Hom.:
0
AF XY:
0.0000589
AC XY:
8
AN XY:
135904
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000653
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000615
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000280
AC:
41
AN:
1461854
Hom.:
0
Cov.:
33
AF XY:
0.0000330
AC XY:
24
AN XY:
727232
show subpopulations
Gnomad4 AFR exome
AF:
0.0000597
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000270
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.0000656
AC:
10
AN:
152326
Hom.:
0
Cov.:
34
AF XY:
0.0000537
AC XY:
4
AN XY:
74484
show subpopulations
Gnomad4 AFR
AF:
0.0000722
Gnomad4 AMR
AF:
0.0000653
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000702
Hom.:
0
Bravo
AF:
0.0000378
ExAC
AF:
0.0000741
AC:
9
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Urocanate hydratase deficiency Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMJun 01, 2009- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.86
BayesDel_addAF
Pathogenic
0.25
D
BayesDel_noAF
Pathogenic
0.30
Cadd
Pathogenic
33
Dann
Pathogenic
1.0
DEOGEN2
Uncertain
0.46
T;.
Eigen
Pathogenic
0.95
Eigen_PC
Pathogenic
0.82
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
1.0
D;D
M_CAP
Pathogenic
0.37
D
MetaRNN
Pathogenic
0.99
D;D
MetaSVM
Uncertain
0.58
D
MutationAssessor
Pathogenic
4.5
H;.
MutationTaster
Benign
1.0
A;A
PrimateAI
Uncertain
0.62
T
PROVEAN
Pathogenic
-7.9
D;D
REVEL
Pathogenic
0.79
Sift
Pathogenic
0.0
D;D
Sift4G
Pathogenic
0.0
D;D
Polyphen
1.0
D;.
Vest4
0.98
MutPred
0.96
Gain of catalytic residue at W451 (P = 0.007);.;
MVP
0.96
MPC
0.47
ClinPred
1.0
D
GERP RS
4.4
Varity_R
0.83
gMVP
0.97

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.12
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: rs137852795; hg19: chr3-126216984; API