Genetic Variant NM_001172560.3:c.321C>G (chr16-1079189-C-G) – ACMG Classification: Likely_pathogenic (6 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_001172560.3(SSTR5):c.321C>G(p.Phe107Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,194 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. F107F) has been classified as Benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SSTR5
NM_001172560.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.96

Publications

2 publications found

Variant links:

Genes affected

SSTR5 (HGNC:11334): (somatostatin receptor 5) Somatostatin and its related peptide cortistatin exert multiple biological actions on normal and tumoral tissue targets by interacting with somatostatin receptors (SSTRs). The protein encoded by this gene is one of the SSTRs, which is a multi-pass membrane protein and belongs to the G-protein coupled receptor 1 family. The activity of this receptor is mediated by G proteins which inhibit adenylyl cyclase, and different regions of this receptor molecule are required for the activation of different signaling pathways. A mutation in this gene results in somatostatin analog resistance. Alternatively spliced transcript variants have been identified in this gene.[provided by RefSeq, Feb 2010]

SSTR5 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.982

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001172560.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SSTR5	NM_001172560.3	MANE Select	c.321C>G	p.Phe107Leu	missense	Exon 2 of 2	NP_001166031.1	P35346
	SSTR5	NM_001053.4		c.321C>G	p.Phe107Leu	missense	Exon 1 of 1	NP_001044.1	P35346

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
SSTR5	ENST00000689027.1	MANE Select	c.321C>G	p.Phe107Leu	missense	Exon 2 of 2	ENSP00000508487.1	P35346
SSTR5	ENST00000293897.7	TSL:6	c.321C>G	p.Phe107Leu	missense	Exon 1 of 1	ENSP00000293897.4	P35346
SSTR5	ENST00000711615.1		c.321C>G	p.Phe107Leu	missense	Exon 2 of 2	ENSP00000518810.1	P35346

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460194

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726420

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.00

AC:

AN:

44712

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26118

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51926

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111900

Other (OTH)

AF:

0.00

AC:

AN:

60360

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

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.98

BayesDel_addAF

Uncertain

0.097

BayesDel_noAF

Benign

-0.10

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.53

Eigen

Benign

-0.27

Eigen_PC

Benign

-0.53

FATHMM_MKL

Benign

0.28

LIST_S2

Uncertain

0.96

M_CAP

Benign

0.061

MetaRNN

Pathogenic

0.98

MetaSVM

Benign

-0.98

MutationAssessor

Benign

1.8

PhyloP100

-2.0

PrimateAI

Uncertain

0.55

PROVEAN

Pathogenic

-5.8

REVEL

Uncertain

0.39

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0030

Polyphen

1.0

Vest4

0.93

MutPred

0.93

Loss of loop (P = 0.2237)

MVP

0.38

MPC

0.89

ClinPred

1.0

GERP RS

-6.2

PromoterAI

-0.0020

Neutral

(source)

Varity_R

0.78

gMVP

0.57

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over