7-30964121-C-T

Position:

chr7-30964121-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_000823.4(GHRHR):c.53C>T(p.Pro18Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000209 in 1,548,698 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Synonymous variant affecting the same amino acid position (i.e. P18P) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00026 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00020 ( 0 hom. )

Consequence

GHRHR
NM_000823.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 0.263

Variant links:

Genes affected

GHRHR (HGNC:4266): (growth hormone releasing hormone receptor) This gene encodes a receptor for growth hormone-releasing hormone. Binding of this hormone to the receptor leads to synthesis and release of growth hormone. Mutations in this gene have been associated with isolated growth hormone deficiency (IGHD), also known as Dwarfism of Sindh, a disorder characterized by short stature. [provided by RefSeq, Jun 2010]

GHRHR links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.050522536).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
GHRHR	NM_000823.4 linkuse as main transcript	c.53C>T	p.Pro18Leu	missense_variant	1/13	ENST00000326139.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
GHRHR	ENST00000326139.7 linkuse as main transcript	c.53C>T	p.Pro18Leu	missense_variant	1/13	1	NM_000823.4	P1
GHRHR	ENST00000466427.1 linkuse as main transcript	n.285-4713C>T		intron_variant, non_coding_transcript_variant		5

Frequencies

GnomAD3 genomes

AF:

0.000237

AC:

AN:

152184

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000523

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:

0.000323

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.000182

AC:

AN:

153766

Hom.:

AF XY:

0.000173

AC XY:

AN XY:

81130

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000202

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000365

Gnomad OTH exome

AF:

0.000227

GnomAD4 exome

AF:

0.000203

AC:

284

AN:

1396396

Hom.:

Cov.:

AF XY:

0.000202

AC XY:

139

AN XY:

688834

show subpopulations

Gnomad4 AFR exome

AF:

0.0000317

Gnomad4 AMR exome

AF:

0.000224

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000379

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000243

Gnomad4 OTH exome

AF:

0.000173

GnomAD4 genome

AF:

0.000263

AC:

AN:

152302

Hom.:

Cov.:

AF XY:

0.000215

AC XY:

AN XY:

74478

show subpopulations

Gnomad4 AFR

AF:

0.000120

Gnomad4 AMR

AF:

0.000784

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000323

Gnomad4 OTH

AF:

0.000473

Alfa

AF:

0.000259

Hom.:

Bravo

AF:

0.000340

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000407

AC:

ExAC

AF:

0.0000848

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Sep 20, 2021

This sequence change replaces proline with leucine at codon 18 of the GHRHR protein (p.Pro18Leu). The proline residue is weakly conserved and there is a moderate physicochemical difference between proline and leucine. This variant is present in population databases (rs202243828, ExAC 0.05%). This missense change has been observed in individual(s) with isolated growth hormone deficiency (PMID: 18785993). This variant is also known as c.101C>T. ClinVar contains an entry for this variant (Variation ID: 1031665). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Isolated growth hormone deficiency type IB

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Baylor Genetics

Apr 11, 2018

This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868]. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.083

BayesDel_addAF

Benign

-0.39

BayesDel_noAF

Benign

-0.48

CADD

Benign

DANN

Benign

0.77

DEOGEN2

Benign

0.18

Eigen

Benign

-0.98

Eigen_PC

Benign

-0.99

FATHMM_MKL

Benign

0.052

LIST_S2

Benign

0.72

M_CAP

Benign

0.010

MetaRNN

Benign

0.051

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.6

MutationTaster

Benign

1.0

PrimateAI

Benign

0.36

PROVEAN

Benign

-1.2

REVEL

Benign

0.065

Sift

Benign

0.32

Sift4G

Benign

0.81

Polyphen

0.0090

Vest4

0.26

MVP

0.50

MPC

0.092

ClinPred

0.026

GERP RS

2.7

Varity_R

0.027

gMVP

0.29

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over