chr16-19536794-G-C

Variant names:

• chr16-19536794-G-C
• rs7190666
• NM_001323572.2:c.1125G>C

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_001323572.2(CCP110):​c.1125G>C​(p.Met375Ile) variant causes a missense change. The variant allele was found at a frequency of 0.00000658 in 152,088 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Benign in ClinVar.

• Frequency: Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
• Consequence: CCP110 NM_001323572.2 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 4.39
• Publications: 25 publications found

Genes affected

CCP110 (HGNC:24342): (centriolar coiled-coil protein 110) Involved in centriole replication; negative regulation of cilium assembly; and regulation of cytokinesis. Located in centriole and centrosome. Part of protein-containing complex. [provided by Alliance of Genome Resources, Apr 2022]

CCP110 Gene-Disease associations (from GenCC):

• ciliopathy

  Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

ACMG classification

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.3908559).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001323572.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CCP110	NM_001323572.2	MANE Select	c.1125G>C	p.Met375Ile	missense	Exon 4 of 14	NP_001310501.1
	CCP110	NM_001199022.3		c.1125G>C	p.Met375Ile	missense	Exon 4 of 15	NP_001185951.2
	CCP110	NM_001323569.2		c.1125G>C	p.Met375Ile	missense	Exon 5 of 16	NP_001310498.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CCP110	ENST00000694978.1	MANE Select	c.1125G>C	p.Met375Ile	missense	Exon 4 of 14	ENSP00000511625.1
	CCP110	ENST00000381396.9	TSL:1	c.1125G>C	p.Met375Ile	missense	Exon 4 of 15	ENSP00000370803.5
	CCP110	ENST00000396208.4	TSL:1	c.1125G>C	p.Met375Ile	missense	Exon 3 of 13	ENSP00000379511.2

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152088 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 37

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152088 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74290

African (AFR) AF: 0.00 AC: 0 AN: 41396

American (AMR) AF: 0.00 AC: 0 AN: 15276

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5190

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10586

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68016

Other (OTH) AF: 0.00 AC: 0 AN: 2094

Alfa AF: 0.00 Hom.: 6211

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.24
BayesDel_addAF	Benign	-0.17	T
BayesDel_noAF	Benign	-0.48
CADD	Benign	23
DANN	Uncertain	1.0
DEOGEN2	Benign	0.20	T
Eigen	Uncertain	0.61
Eigen_PC	Uncertain	0.59
FATHMM_MKL	Uncertain	0.96	D
LIST_S2	Benign	0.79	T
M_CAP	Benign	0.016	T
MetaRNN	Benign	0.39	T
MetaSVM	Benign	-0.81	T
MutationAssessor	Uncertain	2.9	M
PhyloP100		4.4
PrimateAI	Benign	0.46	T
PROVEAN	Benign	-1.4	N
REVEL	Benign	0.13
Sift	Pathogenic	0.0	D
Sift4G	Uncertain	0.025	D
Polyphen		1.0	D
Vest4		0.26
MutPred		0.24		Gain of methylation at K374 (P = 0.0244)
MVP		0.48
MPC		0.68
ClinPred		0.96	D
GERP RS		4.0
Varity_R		0.76
gMVP		0.10

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

Other links and lift over

dbSNP: rs7190666; hg19: chr16-19548116;