Genetic Variant NM_016174.5:c.1001G>C (chr9-128428967-G-C) – 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_016174.5(CERCAM):c.1001G>C(p.Arg334Pro) variant causes a missense change. The variant allele was found at a frequency of 0.0000143 in 1,611,270 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. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R334Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000015 ( 0 hom. )

Consequence

CERCAM
NM_016174.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.67

Publications

0 publications found

Variant links:

Genes affected

CERCAM (HGNC:23723): (cerebral endothelial cell adhesion molecule) Enables identical protein binding activity. Acts upstream of or within cell adhesion. Predicted to be located in endoplasmic reticulum lumen. [provided by Alliance of Genome Resources, Apr 2022]

CERCAM links:

Genome browser will be placed here

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, 0.973

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CERCAM	NM_016174.5 link	c.1001G>C	p.Arg334Pro	missense_variant	Exon 8 of 13	ENST00000372838.9	NP_057258.3	Q5T4B2-1
CERCAM	NM_001286760.1 link	c.767G>C	p.Arg256Pro	missense_variant	Exon 8 of 13		NP_001273689.1	Q5T4B2-2
CERCAM	XM_011518763.4 link	c.767G>C	p.Arg256Pro	missense_variant	Exon 8 of 13		XP_011517065.1	Q5T4B2-2
CERCAM	XM_047423450.1 link	c.767G>C	p.Arg256Pro	missense_variant	Exon 9 of 14		XP_047279406.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CERCAM	ENST00000372838.9 link	c.1001G>C	p.Arg334Pro	missense_variant	Exon 8 of 13	1	NM_016174.5	ENSP00000361929.4		Q5T4B2-1

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

152042

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

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

AF:

0.0000151

AC:

AN:

1459228

Hom.:

Cov.:

AF XY:

0.0000124

AC XY:

AN XY:

725826

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33462

American (AMR)

AF:

0.00

AC:

AN:

44468

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26042

East Asian (EAS)

AF:

0.00

AC:

AN:

39642

South Asian (SAS)

AF:

0.00

AC:

AN:

85994

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52300

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.0000180

AC:

AN:

1111244

Other (OTH)

AF:

0.0000166

AC:

AN:

60318

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.466

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00000658

AC:

AN:

152042

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74262

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41382

American (AMR)

AF:

0.00

AC:

AN:

15262

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4816

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68012

Other (OTH)

AF:

0.00

AC:

AN:

2084

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.675

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.87

BayesDel_addAF

Pathogenic

0.41

BayesDel_noAF

Pathogenic

0.36

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.35

.;T;T

Eigen

Pathogenic

0.71

Eigen_PC

Uncertain

0.59

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.95

D;D;D

M_CAP

Pathogenic

0.44

MetaRNN

Pathogenic

0.97

D;D;D

MetaSVM

Uncertain

0.72

MutationAssessor

Pathogenic

3.6

.;H;.

PhyloP100

6.7

PrimateAI

Uncertain

0.73

PROVEAN

Pathogenic

-5.8

D;D;.

REVEL

Pathogenic

0.83

Sift

Uncertain

0.0010

D;D;.

Sift4G

Uncertain

0.0080

D;D;D

Polyphen

1.0

.;D;.

Vest4

0.90

MutPred

0.78

.;Loss of MoRF binding (P = 0.0044);.;

MVP

0.93

MPC

0.70

ClinPred

1.0

GERP RS

5.4

Varity_R

0.90

gMVP

0.96

Mutation Taster

=38/62

disease causing

(source)

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over