12-54632334-G-C

Variant summary

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

The ENST00000257867.5(LACRT):ā€‹c.160C>Gā€‹(p.Pro54Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,858 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 31)
Exomes š‘“: 0.0000027 ( 0 hom. )

Consequence

LACRT
ENST00000257867.5 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.286
Variant links:
Genes affected
LACRT (HGNC:16430): (lacritin) The protein encoded by this gene is highly expressed in the lacrimal glands and localized primarily to secretory granules and secretory fluid. It augments lacrimal acinar cell secretion, promotes ductal cell proliferation, and stimulates signaling through tyrosine phosphorylation and release of calcium. [provided by RefSeq, Jul 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=0.069961965).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
LACRTNM_033277.2 linkuse as main transcriptc.160C>G p.Pro54Ala missense_variant 3/5 ENST00000257867.5 NP_150593.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
LACRTENST00000257867.5 linkuse as main transcriptc.160C>G p.Pro54Ala missense_variant 3/51 NM_033277.2 ENSP00000257867 P2
LACRTENST00000547511.5 linkuse as main transcriptc.160C>G p.Pro54Ala missense_variant 3/53 ENSP00000447536 A2
LACRTENST00000546721.5 linkuse as main transcriptc.70C>G p.Pro24Ala missense_variant 2/45 ENSP00000448193
LACRTENST00000549816.1 linkuse as main transcriptn.206C>G non_coding_transcript_exon_variant 3/32

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251290
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135804
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461858
Hom.:
0
Cov.:
32
AF XY:
0.00000138
AC XY:
1
AN XY:
727230
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
31
ExAC
AF:
0.0000165
AC:
2

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 GeneticsApr 08, 2024The c.160C>G (p.P54A) alteration is located in exon 3 (coding exon 3) of the LACRT gene. This alteration results from a C to G substitution at nucleotide position 160, causing the proline (P) at amino acid position 54 to be replaced by an alanine (A). 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
0.054
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.56
CADD
Benign
6.4
DANN
Benign
0.95
DEOGEN2
Benign
0.068
T;.;T
Eigen
Benign
-0.90
Eigen_PC
Benign
-0.91
FATHMM_MKL
Benign
0.058
N
LIST_S2
Benign
0.48
T;T;T
M_CAP
Benign
0.0018
T
MetaRNN
Benign
0.070
T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.34
.;.;N
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.19
T
PROVEAN
Uncertain
-4.0
D;D;D
REVEL
Benign
0.077
Sift
Benign
0.093
T;.;.
Sift4G
Benign
0.22
T;T;T
Polyphen
0.020
.;.;B
Vest4
0.11, 0.085
MutPred
0.13
.;Loss of glycosylation at P54 (P = 0.0194);Loss of glycosylation at P54 (P = 0.0194);
MVP
0.061
MPC
0.035
ClinPred
0.033
T
GERP RS
2.4
Varity_R
0.47
gMVP
0.022

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: rs765684332; hg19: chr12-55026118; API