Genetic Variant SRP72:p.Ile530Asn (chr4-56491517-T-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_006947.4(SRP72):c.1589T>A(p.Ile530Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. I530V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Consequence

SRP72
NM_006947.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.62

Publications

8 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:

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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.1589T>A	p.Ile530Asn	missense_variant	Exon 16 of 19	ENST00000642900.1	NP_008878.3	O76094-1V9HWK0
SRP72	NM_001267722.2 link	c.1406T>A	p.Ile469Asn	missense_variant	Exon 14 of 17		NP_001254651.1	O76094-2
SRP72	XM_024454192.2 link	c.1589T>A	p.Ile530Asn	missense_variant	Exon 16 of 17		XP_024309960.1
SRP72	NR_151856.2 link	n.1608T>A		non_coding_transcript_exon_variant	Exon 16 of 20

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SRP72	ENST00000642900.1 link	c.1589T>A	p.Ile530Asn	missense_variant	Exon 16 of 19		NM_006947.4	ENSP00000495128.1		O76094-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251322

AF XY:

0.00000736

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.52

BayesDel_addAF

Benign

-0.027

BayesDel_noAF

Benign

-0.11

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.062

T;.;T

Eigen

Uncertain

0.25

Eigen_PC

Uncertain

0.27

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.97

D;D;.

M_CAP

Uncertain

0.11

MetaRNN

Uncertain

0.55

D;D;D

MetaSVM

Benign

-0.30

MutationAssessor

Benign

1.9

L;.;L

PhyloP100

7.6

PrimateAI

Benign

0.43

PROVEAN

Uncertain

-3.7

D;D;.

REVEL

Uncertain

0.51

Sift

Benign

0.096

T;D;.

Sift4G

Benign

0.17

T;D;.

Polyphen

0.96

D;.;D

Vest4

0.53

MutPred

0.44

Loss of helix (P = 0.0237);.;Loss of helix (P = 0.0237);

MVP

0.90

MPC

0.64

ClinPred

0.96

GERP RS

4.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.40

gMVP

0.41

Mutation Taster

=74/26

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over