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GeneBe

2-157418529-G-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_004288.5(CYTIP):c.607C>A(p.Leu203Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000471 in 1,591,940 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 (★).

Frequency

Genomes: 𝑓 0.00019 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000033 ( 0 hom. )

Consequence

CYTIP
NM_004288.5 missense

Scores

4
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.56
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.051606834).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CYTIPNM_004288.5 linkuse as main transcriptc.607C>A p.Leu203Ile missense_variant 7/8 ENST00000264192.8
CYTIPXM_017005386.3 linkuse as main transcriptc.289C>A p.Leu97Ile missense_variant 7/8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CYTIPENST00000264192.8 linkuse as main transcriptc.607C>A p.Leu203Ile missense_variant 7/81 NM_004288.5 P1O60759-1
CYTIPENST00000418920.5 linkuse as main transcriptc.289C>A p.Leu97Ile missense_variant 8/95
CYTIPENST00000457793.6 linkuse as main transcriptc.*502C>A 3_prime_UTR_variant, NMD_transcript_variant 8/95

Frequencies

GnomAD3 genomes
AF:
0.000186
AC:
28
AN:
150624
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000611
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000664
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:
0.000967
GnomAD3 exomes
AF:
0.0000546
AC:
13
AN:
238140
Hom.:
0
AF XY:
0.0000464
AC XY:
6
AN XY:
129174
show subpopulations
Gnomad AFR exome
AF:
0.000720
Gnomad AMR exome
AF:
0.0000315
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000175
GnomAD4 exome
AF:
0.0000326
AC:
47
AN:
1441198
Hom.:
0
Cov.:
31
AF XY:
0.0000293
AC XY:
21
AN XY:
717020
show subpopulations
Gnomad4 AFR exome
AF:
0.00117
Gnomad4 AMR exome
AF:
0.0000709
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.000101
GnomAD4 genome
AF:
0.000186
AC:
28
AN:
150742
Hom.:
0
Cov.:
32
AF XY:
0.000136
AC XY:
10
AN XY:
73464
show subpopulations
Gnomad4 AFR
AF:
0.000609
Gnomad4 AMR
AF:
0.0000663
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000957
Alfa
AF:
0.0000965
Hom.:
0
Bravo
AF:
0.000302
ESP6500AA
AF:
0.000681
AC:
3
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000741
AC:
9

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 GeneticsJan 23, 2024The c.607C>A (p.L203I) alteration is located in exon 7 (coding exon 7) of the CYTIP gene. This alteration results from a C to A substitution at nucleotide position 607, causing the leucine (L) at amino acid position 203 to be replaced by an isoleucine (I). 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
0.13
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.45
Cadd
Uncertain
24
Dann
Uncertain
0.99
DEOGEN2
Benign
0.16
T;T
Eigen
Benign
0.18
Eigen_PC
Uncertain
0.28
FATHMM_MKL
Uncertain
0.76
D
LIST_S2
Benign
0.83
T;T
M_CAP
Benign
0.0090
T
MetaRNN
Benign
0.052
T;T
MetaSVM
Benign
-0.83
T
MutationAssessor
Uncertain
2.4
M;.
MutationTaster
Benign
0.85
D;D
PrimateAI
Benign
0.42
T
PROVEAN
Benign
-0.17
N;N
REVEL
Benign
0.069
Sift
Benign
0.22
T;T
Sift4G
Benign
0.63
T;T
Polyphen
0.45
P;.
Vest4
0.50
MVP
0.40
MPC
0.20
ClinPred
0.034
T
GERP RS
5.1
Varity_R
0.064
gMVP
0.18

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: rs144857541; hg19: chr2-158275041; API