rs767760877

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_032930.3(CFAP300):​c.154C>A​(p.Gln52Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,614,070 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/19 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: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

CFAP300
NM_032930.3 missense

Scores

2
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.967

Publications

1 publications found
Variant links:
Genes affected
CFAP300 (HGNC:28188): (cilia and flagella associated protein 300) Predicted to be located in cytoplasm and motile cilium. Implicated in primary ciliary dyskinesia 38. [provided by Alliance of Genome Resources, Apr 2022]
CFAP300 Gene-Disease associations (from GenCC):
  • ciliary dyskinesia, primary, 38
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, ClinGen, Labcorp Genetics (formerly Invitae)
  • primary ciliary dyskinesia
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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=0.26839983).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CFAP300NM_032930.3 linkc.154C>A p.Gln52Lys missense_variant Exon 2 of 7 ENST00000434758.7 NP_116319.2 Q9BRQ4-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CFAP300ENST00000434758.7 linkc.154C>A p.Gln52Lys missense_variant Exon 2 of 7 2 NM_032930.3 ENSP00000414390.2 Q9BRQ4-1
CFAP300ENST00000534360.1 linkc.154C>A p.Gln52Lys missense_variant Exon 2 of 4 1 ENSP00000435482.1 Q9BRQ4-3
CFAP300ENST00000530659.1 linkn.391C>A non_coding_transcript_exon_variant Exon 1 of 6 1
CFAP300ENST00000526781.5 linkc.154C>A p.Gln52Lys missense_variant Exon 2 of 6 3 ENSP00000433074.1 E9PM77

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152202
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
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
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251426
AF XY:
0.00000736
show subpopulations
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461868
Hom.:
0
Cov.:
32
AF XY:
0.00000275
AC XY:
2
AN XY:
727238
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.0000504
AC:
2
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86244
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5764
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1112010
Other (OTH)
AF:
0.00
AC:
0
AN:
60396
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000203476), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00000657
AC:
1
AN:
152202
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74356
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41456
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.000192
AC:
1
AN:
5198
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10612
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68034
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.625
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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.:
0
Bravo
AF:
0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.099
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.45
CADD
Benign
17
DANN
Uncertain
0.98
DEOGEN2
Benign
0.034
T;.;.
Eigen
Benign
0.0021
Eigen_PC
Benign
0.026
FATHMM_MKL
Benign
0.54
D
LIST_S2
Uncertain
0.87
D;D;D
M_CAP
Benign
0.0068
T
MetaRNN
Benign
0.27
T;T;T
MetaSVM
Benign
-0.84
T
PhyloP100
0.97
PROVEAN
Benign
-1.4
N;N;N
REVEL
Benign
0.10
Sift
Benign
0.32
T;T;T
Sift4G
Benign
0.28
T;T;D
Polyphen
0.59
P;.;.
Vest4
0.44
MutPred
0.50
Gain of ubiquitination at Q52 (P = 0.0211);Gain of ubiquitination at Q52 (P = 0.0211);Gain of ubiquitination at Q52 (P = 0.0211);
MVP
0.20
MPC
0.044
ClinPred
0.63
D
GERP RS
2.3
PromoterAI
0.051
Neutral
Varity_R
0.12
gMVP
0.48
Mutation Taster
=89/11
polymorphism

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

Other links and lift over

dbSNP: rs767760877; hg19: chr11-101918589; API