9-35660826-A-C

Variant names:

• chr9-35660826-A-C
• rs752815799
• NM_174923.3:c.491A>C

Variant summary

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

The NM_174923.3(CCDC107):​c.491A>C​(p.Lys164Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,870 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: CCDC107 NM_174923.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.757

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 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.14772329).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CCDC107	NM_174923.3	c.491A>C	p.Lys164Thr	missense_variant	Exon 5 of 5	ENST00000426546.7	NP_777583.2
ARHGEF39	NM_032818.3	c.*1161T>G		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.491A>C	p.Lys164Thr	missense_variant	Exon 5 of 5	1	NM_174923.3	ENSP00000414964.2
ARHGEF39	ENST00000378387	c.*1161T>G		3_prime_UTR_variant	Exon 9 of 9	1	NM_032818.3	ENSP00000367638.3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD3 exomes AF: 0.00000398 AC: 1 AN: 251356 Hom.: 0 AF XY: 0.00 AC XY: 0 AN XY: 135876

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 SAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461870 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 727238

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.0000252

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.19
BayesDel_addAF	Benign	-0.23	T
BayesDel_noAF	Benign	-0.40
CADD	Benign	15
DANN	Uncertain	0.99
DEOGEN2	Benign	0.091	.;T
Eigen	Benign	-0.33
Eigen_PC	Benign	-0.50
FATHMM_MKL	Benign	0.13	N
LIST_S2	Benign	0.76	T;T
M_CAP	Benign	0.011	T
MetaRNN	Benign	0.15	T;T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.7	L;L
PrimateAI	Benign	0.40	T
PROVEAN	Uncertain	-2.6	D;D
REVEL	Benign	0.075
Sift	Benign	0.081	T;D
Sift4G	Uncertain	0.014	D;D
Polyphen		0.98	.;D
Vest4		0.32
MutPred		0.21		Loss of ubiquitination at K164 (P = 0.0014);Loss of ubiquitination at K164 (P = 0.0014);
MVP		0.53
MPC		0.95
ClinPred		0.59	D
GERP RS		1.8
Varity_R		0.070
gMVP		0.085

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: rs752815799; hg19: chr9-35660823;