rs55722779

Positions:

• chr7-129212147-C-A
• chr7-129212147-C-G
• chr7-129212147-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_005631.5(SMO):​c.2060C>A​(p.Pro687Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. 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. P687L) has been classified as Benign.

• Frequency: Genomes: not found (cov: 32)
• Consequence: SMO NM_005631.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.706

Genes affected

SMO (HGNC:11119): (smoothened, frizzled class receptor) The protein encoded by this gene is a G protein-coupled receptor that interacts with the patched protein, a receptor for hedgehog proteins. The encoded protein tranduces signals to other proteins after activation by a hedgehog protein/patched protein complex. [provided by RefSeq, Jul 2010]

(HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.12618122).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
SMO	NM_005631.5	c.2060C>A	p.Pro687Gln	missense_variant	12/12	ENST00000249373.8
SMO	XM_047420759.1	c.1670C>A	p.Pro557Gln	missense_variant	13/13

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
SMO	ENST00000249373.8	c.2060C>A	p.Pro687Gln	missense_variant	12/12	1	NM_005631.5	P1
	ENST00000466717.1	n.129+1270G>T		intron_variant, non_coding_transcript_variant		3
SMO	ENST00000475779.1	c.*364C>A		3_prime_UTR_variant, NMD_transcript_variant	5/5	3
SMO	ENST00000655644.1	c.*1815C>A		3_prime_UTR_variant, NMD_transcript_variant	12/12

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.071
BayesDel_addAF	Benign	-0.078	T
BayesDel_noAF	Benign	-0.35
CADD	Benign	17
DANN	Benign	0.75
DEOGEN2	Uncertain	0.49	T
Eigen	Benign	-0.62
Eigen_PC	Benign	-0.59
FATHMM_MKL	Benign	0.20	N
LIST_S2	Benign	0.68	T
M_CAP	Benign	0.056	D
MetaRNN	Benign	0.13	T
MetaSVM	Benign	-0.88	T
MutationAssessor	Benign	0.55	N
MutationTaster	Benign	1.0	N
PrimateAI	Benign	0.44	T
PROVEAN	Benign	-0.030	N
REVEL	Benign	0.16
Sift	Benign	0.15	T
Sift4G	Benign	0.40	T
Polyphen		0.089	B
Vest4		0.26
MutPred		0.15		Loss of catalytic residue at P687 (P = 0.0037);
MVP		0.45
MPC		0.070
ClinPred		0.14	T
GERP RS		4.7
Varity_R		0.045
gMVP		0.27

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr7-128851988; COSMIC: COSV50827699; COSMIC: COSV50827699;