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GeneBe

1-31623526-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_001525.3(HCRTR1):c.742C>A(p.Pro248Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000335 in 1,611,402 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000034 ( 1 hom. )

Consequence

HCRTR1
NM_001525.3 missense

Scores

4
13
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.57
Variant links:
Genes affected
HCRTR1 (HGNC:4848): (hypocretin receptor 1) The protein encoded by this gene is a G-protein coupled receptor involved in the regulation of feeding behavior. The encoded protein selectively binds the hypothalamic neuropeptide orexin A. A related gene (HCRTR2) encodes a G-protein coupled receptor that binds orexin A and orexin B. [provided by RefSeq, Jan 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.844

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
HCRTR1NM_001525.3 linkuse as main transcriptc.742C>A p.Pro248Thr missense_variant 7/9 ENST00000403528.7
HCRTR1XM_024446605.2 linkuse as main transcriptc.742C>A p.Pro248Thr missense_variant 8/11
HCRTR1XM_017001107.2 linkuse as main transcriptc.742C>A p.Pro248Thr missense_variant 5/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
HCRTR1ENST00000403528.7 linkuse as main transcriptc.742C>A p.Pro248Thr missense_variant 7/95 NM_001525.3 P1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152154
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000204
AC:
5
AN:
244724
Hom.:
0
AF XY:
0.0000225
AC XY:
3
AN XY:
133066
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000546
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000366
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000343
AC:
50
AN:
1459248
Hom.:
1
Cov.:
31
AF XY:
0.0000358
AC XY:
26
AN XY:
725788
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000441
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152154
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74316
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000227
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

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 submitterclinical testingAmbry GeneticsJan 08, 2024The c.742C>A (p.P248T) alteration is located in exon 7 (coding exon 5) of the HCRTR1 gene. This alteration results from a C to A substitution at nucleotide position 742, causing the proline (P) at amino acid position 248 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.73
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
0.10
Cadd
Uncertain
25
Dann
Uncertain
1.0
DEOGEN2
Uncertain
0.43
T;T;.
Eigen
Pathogenic
0.72
Eigen_PC
Uncertain
0.64
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.96
D;.;D
M_CAP
Benign
0.052
D
MetaRNN
Pathogenic
0.84
D;D;D
MetaSVM
Uncertain
0.094
D
MutationAssessor
Uncertain
2.2
M;M;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.72
T
PROVEAN
Pathogenic
-5.4
D;D;D
REVEL
Uncertain
0.55
Sift
Uncertain
0.0020
D;D;D
Sift4G
Uncertain
0.0040
D;D;D
Polyphen
1.0
D;D;D
Vest4
0.70
MVP
0.89
MPC
0.89
ClinPred
0.95
D
GERP RS
4.7
Varity_R
0.89
gMVP
0.75

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs374843159; hg19: chr1-32089127; API