4-56467657-G-A

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_006947.4(SRP72):c.22G>A(p.Gly8Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00000257 in 1,558,512 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★). Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G8E) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

SRP72
NM_006947.4 missense

Scores

Clinical Significance

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

Conservation

PhyloP100: 6.63

Publications

1 publications found

Variant links:

Genes affected

SRP72 (HGNC:11303): (signal recognition particle 72) This gene encodes the 72 kDa subunit of the signal recognition particle (SRP), a ribonucleoprotein complex that mediates the targeting of secretory proteins to the endoplasmic reticulum (ER). The SRP complex consists of a 7S RNA and 6 protein subunits: SRP9, SRP14, SRP19, SRP54, SRP68, and SRP72, that are bound to the 7S RNA as monomers or heterodimers. SRP has at least 3 distinct functions that can be associated with the protein subunits: signal recognition, translational arrest, and ER membrane targeting by interaction with the docking protein. Mutations in this gene are associated with familial bone marrow failure. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2012]

SRP72 Gene-Disease associations (from GenCC):

autosomal dominant aplasia and myelodysplasia
Inheritance: AD Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), Orphanet
acute myeloid leukemia
Inheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp

SRP72 links:

ENSG00000289393 (HGNC:):

ENSG00000289393 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SRP72	NM_006947.4 link	c.22G>A	p.Gly8Arg	missense_variant	Exon 1 of 19	ENST00000642900.1	NP_008878.3	O76094-1V9HWK0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SRP72	ENST00000642900.1 link	c.22G>A	p.Gly8Arg	missense_variant	Exon 1 of 19		NM_006947.4	ENSP00000495128.1		O76094-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152158

Hom.:

Cov.:

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000100

AC:

AN:

199482

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000411

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000107

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000213

AC:

AN:

1406354

Hom.:

Cov.:

AF XY:

0.00000429

AC XY:

AN XY:

698508

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

29782

American (AMR)

AF:

0.00

AC:

AN:

35292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24502

East Asian (EAS)

AF:

0.00

AC:

AN:

34124

South Asian (SAS)

AF:

0.0000249

AC:

AN:

80318

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52374

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5622

European-Non Finnish (NFE)

AF:

9.20e-7

AC:

AN:

1086480

Other (OTH)

AF:

0.00

AC:

AN:

57860

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152158

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74318

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41444

American (AMR)

AF:

0.00

AC:

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5176

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.775

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Apr 06, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The p.G8R variant (also known as c.22G>A), located in coding exon 1 of the SRP72 gene, results from a G to A substitution at nucleotide position 22. The glycine at codon 8 is replaced by arginine, an amino acid with dissimilar properties. This amino acid position is conserved. In addition, the in silico prediction for this alteration is inconclusive. Based on the available evidence, the clinical significance of this variant remains unclear. -

not provided

Uncertain:1

Oct 01, 2022

CeGaT Center for Human Genetics Tuebingen

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.82

BayesDel_addAF

Uncertain

0.13

BayesDel_noAF

Uncertain

0.070

CADD

Uncertain

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.026

T;.;T;T

Eigen

Uncertain

0.57

Eigen_PC

Uncertain

0.56

FATHMM_MKL

Uncertain

0.81

LIST_S2

Uncertain

0.87

D;D;.;D

M_CAP

Benign

0.057

MetaRNN

Uncertain

0.60

D;D;D;D

MetaSVM

Uncertain

-0.11

MutationAssessor

Uncertain

2.1

M;M;M;.

PhyloP100

6.6

PrimateAI

Uncertain

0.54

PROVEAN

Benign

-0.78

N;N;.;.

REVEL

Uncertain

0.34

Sift

Benign

0.088

T;T;.;.

Sift4G

Benign

0.27

T;T;.;T

Polyphen

1.0

D;.;D;.

Vest4

0.38

MutPred

0.34

Gain of helix (P = 0.0128);Gain of helix (P = 0.0128);Gain of helix (P = 0.0128);Gain of helix (P = 0.0128);

MVP

0.90

MPC

0.80

ClinPred

0.96

GERP RS

5.5

PromoterAI

0.10

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.6

Varity_R

0.13

gMVP

0.28

Mutation Taster

=58/42

polymorphism

(source)

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

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4-56467657-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over