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GeneBe

18-48636622-G-A

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_ModerateBP6_ModerateBP7BS1BS2

The NM_014772.3(CTIF):​c.189G>A​(p.Ala63=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00664 in 1,583,110 control chromosomes in the GnomAD database, including 58 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0053 ( 5 hom., cov: 33)
Exomes 𝑓: 0.0068 ( 53 hom. )

Consequence

CTIF
NM_014772.3 synonymous

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.834
Variant links:
Genes affected
CTIF (HGNC:23925): (cap binding complex dependent translation initiation factor) CTIF is a component of the CBP80 (NCBP1; MIM 600469)/CBP20 (NCBP2; MIM 605133) translation initiation complex that binds cotranscriptionally to the cap end of nascent mRNA. The CBP80/CBP20 complex is involved in a simultaneous editing and translation step that recognizes premature termination codons (PTCs) in mRNAs and directs PTC-containing mRNAs toward nonsense-mediated decay (NMD). On mRNAs without PTCs, the CBP80/CBP20 complex is replaced with cytoplasmic mRNA cap-binding proteins, including EIF4G (MIM 600495), and steady-state translation of the mRNAs resumes in the cytoplasm (Kim et al., 2009 [PubMed 19648179]).[supplied by OMIM, Dec 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.41).
BP6
Variant 18-48636622-G-A is Benign according to our data. Variant chr18-48636622-G-A is described in ClinVar as [Benign]. Clinvar id is 771922.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-0.834 with no splicing effect.
BS1
Variant frequency is greater than expected in population mid. gnomad4_exome allele frequency = 0.00678 (9703/1430782) while in subpopulation MID AF= 0.0434 (245/5642). AF 95% confidence interval is 0.039. There are 53 homozygotes in gnomad4_exome. There are 4876 alleles in male gnomad4_exome subpopulation. Median coverage is 30. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 5 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CTIFNM_014772.3 linkuse as main transcriptc.189G>A p.Ala63= synonymous_variant 3/12 ENST00000256413.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CTIFENST00000256413.8 linkuse as main transcriptc.189G>A p.Ala63= synonymous_variant 3/121 NM_014772.3 A1O43310-1

Frequencies

GnomAD3 genomes
AF:
0.00529
AC:
805
AN:
152210
Hom.:
5
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00147
Gnomad AMI
AF:
0.00110
Gnomad AMR
AF:
0.00680
Gnomad ASJ
AF:
0.0112
Gnomad EAS
AF:
0.000964
Gnomad SAS
AF:
0.00642
Gnomad FIN
AF:
0.00113
Gnomad MID
AF:
0.0316
Gnomad NFE
AF:
0.00763
Gnomad OTH
AF:
0.0110
GnomAD3 exomes
AF:
0.00625
AC:
1372
AN:
219560
Hom.:
3
AF XY:
0.00660
AC XY:
788
AN XY:
119364
show subpopulations
Gnomad AFR exome
AF:
0.000949
Gnomad AMR exome
AF:
0.00655
Gnomad ASJ exome
AF:
0.00927
Gnomad EAS exome
AF:
0.000189
Gnomad SAS exome
AF:
0.00629
Gnomad FIN exome
AF:
0.00131
Gnomad NFE exome
AF:
0.00811
Gnomad OTH exome
AF:
0.0157
GnomAD4 exome
AF:
0.00678
AC:
9703
AN:
1430782
Hom.:
53
Cov.:
30
AF XY:
0.00686
AC XY:
4876
AN XY:
710564
show subpopulations
Gnomad4 AFR exome
AF:
0.00146
Gnomad4 AMR exome
AF:
0.00683
Gnomad4 ASJ exome
AF:
0.00983
Gnomad4 EAS exome
AF:
0.000210
Gnomad4 SAS exome
AF:
0.00578
Gnomad4 FIN exome
AF:
0.00256
Gnomad4 NFE exome
AF:
0.00712
Gnomad4 OTH exome
AF:
0.00781
GnomAD4 genome
AF:
0.00529
AC:
806
AN:
152328
Hom.:
5
Cov.:
33
AF XY:
0.00495
AC XY:
369
AN XY:
74488
show subpopulations
Gnomad4 AFR
AF:
0.00147
Gnomad4 AMR
AF:
0.00679
Gnomad4 ASJ
AF:
0.0112
Gnomad4 EAS
AF:
0.000966
Gnomad4 SAS
AF:
0.00642
Gnomad4 FIN
AF:
0.00113
Gnomad4 NFE
AF:
0.00763
Gnomad4 OTH
AF:
0.0113
Alfa
AF:
0.00688
Hom.:
2
Bravo
AF:
0.00552
Asia WGS
AF:
0.00953
AC:
35
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeAug 08, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.41
CADD
Benign
8.5
DANN
Benign
0.82
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs35875164; hg19: chr18-46162993; API