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GeneBe

2-157443912-C-T

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_004288.5(CYTIP):​c.109G>A​(p.Asp37Asn) variant causes a missense change. The variant allele was found at a frequency of 0.000986 in 1,614,156 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt.

Frequency

Genomes: 𝑓 0.00040 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0010 ( 2 hom. )

Consequence

CYTIP
NM_004288.5 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.23
Variant links:
Genes affected
CYTIP (HGNC:9506): (cytohesin 1 interacting protein) The protein encoded by this gene contains 2 leucine zipper domains and a putative C-terminal nuclear targeting signal, but does not have any hydrophobic regions. This protein is expressed weakly in resting NK and T cells. The encoded protein modulates the activation of ARF genes by CYTH1. This protein interacts with CYTH1 and SNX27 proteins and may act to sequester CYTH1 protein in the cytoplasm.[provided by RefSeq, Aug 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.08576065).
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CYTIPNM_004288.5 linkuse as main transcriptc.109G>A p.Asp37Asn missense_variant 1/8 ENST00000264192.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CYTIPENST00000264192.8 linkuse as main transcriptc.109G>A p.Asp37Asn missense_variant 1/81 NM_004288.5 P1O60759-1

Frequencies

GnomAD3 genomes
AF:
0.000401
AC:
61
AN:
152198
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.000764
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000334
AC:
84
AN:
251434
Hom.:
0
AF XY:
0.000280
AC XY:
38
AN XY:
135894
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000924
Gnomad NFE exome
AF:
0.000677
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.00105
AC:
1531
AN:
1461840
Hom.:
2
Cov.:
30
AF XY:
0.00100
AC XY:
729
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000671
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000562
Gnomad4 NFE exome
AF:
0.00132
Gnomad4 OTH exome
AF:
0.000844
GnomAD4 genome
AF:
0.000400
AC:
61
AN:
152316
Hom.:
0
Cov.:
32
AF XY:
0.000349
AC XY:
26
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.000168
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000764
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000886
Hom.:
0
Bravo
AF:
0.000404
TwinsUK
AF:
0.000809
AC:
3
ALSPAC
AF:
0.00156
AC:
6
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000264
AC:
32
EpiCase
AF:
0.000545
EpiControl
AF:
0.000474

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 03, 2021The c.109G>A (p.D37N) alteration is located in exon 1 (coding exon 1) of the CYTIP gene. This alteration results from a G to A substitution at nucleotide position 109, causing the aspartic acid (D) at amino acid position 37 to be replaced by an asparagine (N). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.51
T
BayesDel_noAF
Benign
-0.54
CADD
Benign
22
DANN
Uncertain
1.0
DEOGEN2
Benign
0.044
T;.;T
Eigen
Uncertain
0.34
Eigen_PC
Uncertain
0.39
FATHMM_MKL
Benign
0.68
D
LIST_S2
Benign
0.82
T;T;T
M_CAP
Benign
0.026
D
MetaRNN
Benign
0.086
T;T;T
MetaSVM
Benign
-0.90
T
MutationAssessor
Benign
0.97
L;.;.
MutationTaster
Benign
1.0
D;N
PrimateAI
Benign
0.44
T
PROVEAN
Benign
0.36
N;N;N
REVEL
Benign
0.098
Sift
Benign
0.038
D;T;T
Sift4G
Benign
0.44
T;.;D
Polyphen
0.97
D;.;.
Vest4
0.17
MVP
0.67
MPC
0.44
ClinPred
0.15
T
GERP RS
5.7
Varity_R
0.089
gMVP
0.41

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: rs1042038; hg19: chr2-158300424; API