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chr4-10520793-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_052964.4(CLNK):ā€‹c.770G>Cā€‹(p.Arg257Thr) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000688 in 1,452,918 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/23 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 33)
Exomes š‘“: 6.9e-7 ( 0 hom. )

Consequence

CLNK
NM_052964.4 missense, splice_region

Scores

2
17
Splicing: ADA: 0.0002885
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.155
Variant links:
Genes affected
CLNK (HGNC:17438): (cytokine dependent hematopoietic cell linker) MIST is a member of the SLP76 family of adaptors (see LCP2, MIM 601603; BLNK, MIM 604515). MIST plays a role in the regulation of immunoreceptor signaling, including PLC-gamma (PLCG1; MIM 172420)-mediated B cell antigen receptor (BCR) signaling and FC-epsilon R1 (see FCER1A, MIM 147140)-mediated mast cell degranulation (Cao et al., 1999 [PubMed 10562326]; Goitsuka et al., 2000, 2001 [PubMed 10744659] [PubMed 11463797]).[supplied by OMIM, Mar 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.10142046).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CLNKNM_052964.4 linkuse as main transcriptc.770G>C p.Arg257Thr missense_variant, splice_region_variant 15/19 ENST00000226951.11
LOC105374482XR_925387.4 linkuse as main transcriptn.262-9337C>G intron_variant, non_coding_transcript_variant
CLNKXM_011513775.3 linkuse as main transcriptc.815G>C p.Arg272Thr missense_variant, splice_region_variant 15/19
CLNKXM_017007684.2 linkuse as main transcriptc.815G>C p.Arg272Thr missense_variant, splice_region_variant 15/19

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CLNKENST00000226951.11 linkuse as main transcriptc.770G>C p.Arg257Thr missense_variant, splice_region_variant 15/191 NM_052964.4 P1Q7Z7G1-1
ENST00000663264.1 linkuse as main transcriptn.97-9341C>G intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
6.88e-7
AC:
1
AN:
1452918
Hom.:
0
Cov.:
28
AF XY:
0.00000138
AC XY:
1
AN XY:
722456
show subpopulations
Gnomad4 AFR exome
AF:
0.0000300
Gnomad4 AMR exome
AF:
0.00
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:
0.00
GnomAD4 genome
Cov.:
33

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 GeneticsFeb 21, 2024The c.770G>C (p.R257T) alteration is located in exon 15 (coding exon 14) of the CLNK gene. This alteration results from a G to C substitution at nucleotide position 770, causing the arginine (R) at amino acid position 257 to be replaced by a threonine (T). 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
0.095
BayesDel_addAF
Benign
-0.097
T
BayesDel_noAF
Benign
-0.38
CADD
Benign
17
DANN
Benign
0.96
DEOGEN2
Benign
0.096
T;T
Eigen
Benign
-0.29
Eigen_PC
Benign
-0.35
FATHMM_MKL
Benign
0.20
N
LIST_S2
Benign
0.63
T;T
M_CAP
Benign
0.0081
T
MetaRNN
Benign
0.10
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
2.0
M;.
MutationTaster
Benign
0.76
N
PrimateAI
Benign
0.27
T
PROVEAN
Benign
-1.1
N;.
REVEL
Benign
0.10
Sift
Uncertain
0.0010
D;.
Sift4G
Uncertain
0.028
D;D
Polyphen
0.96
D;.
Vest4
0.24
MutPred
0.28
Gain of phosphorylation at R257 (P = 0.072);Gain of phosphorylation at R257 (P = 0.072);
MVP
0.048
MPC
0.025
ClinPred
0.59
D
GERP RS
2.7
Varity_R
0.16
gMVP
0.35

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00029
dbscSNV1_RF
Benign
0.010
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr4-10522417; API