NM_174923.3:c.748C>G

Variant names:

• chr9-35661083-C-G
• rs753387364
• NM_174923.3:c.748C>G

Variant summary

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

The NM_174923.3(CCDC107):​c.748C>G​(p.Arg250Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,172 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.0000066 (0 hom., cov: 33)
• Consequence: CCDC107 NM_174923.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.283

Genes affected

CCDC107 (HGNC:28465): (coiled-coil domain containing 107) This gene encodes a membrane protein which contains a coiled-coil domain in the central region. Multiple alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2013]

ARHGEF39 (HGNC:25909): (Rho guanine nucleotide exchange factor 39) Predicted to enable guanyl-nucleotide exchange factor activity. Involved in positive regulation of cell migration. Located in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 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
CCDC107	NM_174923.3	c.748C>G	p.Arg250Gly	missense_variant	Exon 5 of 5	ENST00000426546.7	NP_777583.2
ARHGEF39	NM_032818.3	c.*904G>C		3_prime_UTR_variant	Exon 9 of 9	ENST00000378387.4	NP_116207.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CCDC107	ENST00000426546.7	c.748C>G	p.Arg250Gly	missense_variant	Exon 5 of 5	1	NM_174923.3	ENSP00000414964.2
ARHGEF39	ENST00000378387	c.*904G>C		3_prime_UTR_variant	Exon 9 of 9	1	NM_032818.3	ENSP00000367638.3

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152172 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000241

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: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 35

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152172 Hom.: 0 Cov.: 33 AF XY: 0.0000135 AC XY: 1 AN XY: 74324

Gnomad4 AFR AF: 0.0000241

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.00

Gnomad4 OTH AF: 0.00

Bravo AF: 0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.27
BayesDel_addAF	Uncertain	0.15	D
BayesDel_noAF	Uncertain	-0.020
CADD	Benign	17
DANN	Benign	0.92
DEOGEN2	Benign	0.12	.;T
Eigen	Benign	-0.63
Eigen_PC	Benign	-0.85
FATHMM_MKL	Benign	0.085	N
LIST_S2	Benign	0.75	T;T
M_CAP	Uncertain	0.11	D
MetaRNN	Uncertain	0.66	D;D
MetaSVM	Benign	-0.77	T
MutationAssessor	Benign	1.4	.;L
PrimateAI	Benign	0.35	T
PROVEAN	Pathogenic	-5.4	D;D
REVEL	Uncertain	0.38
Sift	Pathogenic	0.0	D;D
Sift4G	Pathogenic	0.0	D;D
Polyphen		1.0	.;D
Vest4		0.71
MVP		0.45
MPC		0.98
ClinPred		1.0	D
GERP RS		-1.7
Varity_R		0.82
gMVP		0.091

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

Other links and lift over

dbSNP: rs753387364; hg19: chr9-35661080;