17-7580783-C-G

Variant summary

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

The NM_001251.3(CD68):ā€‹c.760C>Gā€‹(p.Gln254Glu) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,822 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q254K) has been classified as Likely benign.

Frequency

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

Consequence

CD68
NM_001251.3 missense, splice_region

Scores

1
17
Splicing: ADA: 0.00006218
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.846
Variant links:
Genes affected
CD68 (HGNC:1693): (CD68 molecule) This gene encodes a 110-kD transmembrane glycoprotein that is highly expressed by human monocytes and tissue macrophages. It is a member of the lysosomal/endosomal-associated membrane glycoprotein (LAMP) family. The protein primarily localizes to lysosomes and endosomes with a smaller fraction circulating to the cell surface. It is a type I integral membrane protein with a heavily glycosylated extracellular domain and binds to tissue- and organ-specific lectins or selectins. The protein is also a member of the scavenger receptor family. Scavenger receptors typically function to clear cellular debris, promote phagocytosis, and mediate the recruitment and activation of macrophages. Alternative splicing results in multiple transcripts encoding different isoforms. [provided by RefSeq, Jul 2008]

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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=0.053912252).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CD68NM_001251.3 linkuse as main transcriptc.760C>G p.Gln254Glu missense_variant, splice_region_variant 4/6 ENST00000250092.11 NP_001242.2 P34810-1
CD68NM_001040059.2 linkuse as main transcriptc.679C>G p.Gln227Glu missense_variant, splice_region_variant 4/6 NP_001035148.1 P34810-3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CD68ENST00000250092.11 linkuse as main transcriptc.760C>G p.Gln254Glu missense_variant, splice_region_variant 4/61 NM_001251.3 ENSP00000250092.6 P34810-1
CD68ENST00000380498.10 linkuse as main transcriptc.679C>G p.Gln227Glu missense_variant, splice_region_variant 4/61 ENSP00000369867.6 P34810-3
CD68ENST00000584180.1 linkuse as main transcriptc.163C>G p.Gln55Glu missense_variant, splice_region_variant 2/32 ENSP00000462198.1 J3KRX0
ENSG00000264772ENST00000581621.1 linkuse as main transcriptn.3736C>G splice_region_variant, non_coding_transcript_exon_variant 10/122

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251448
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135894
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
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:
1461822
Hom.:
0
Cov.:
34
AF XY:
0.00000138
AC XY:
1
AN XY:
727206
show subpopulations
Gnomad4 AFR exome
AF:
0.00
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:
8.99e-7
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
Cov.:
31
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.079
BayesDel_addAF
Benign
-0.37
T
BayesDel_noAF
Benign
-0.60
CADD
Benign
7.0
DANN
Benign
0.63
DEOGEN2
Benign
0.096
T;.
Eigen
Benign
-1.0
Eigen_PC
Benign
-0.95
FATHMM_MKL
Benign
0.18
N
LIST_S2
Benign
0.59
T;T
MetaRNN
Benign
0.054
T;T
MetaSVM
Benign
-0.97
T
MutationAssessor
Benign
0.10
N;.
PrimateAI
Benign
0.31
T
PROVEAN
Benign
0.41
N;.
REVEL
Benign
0.019
Sift
Benign
0.77
T;.
Sift4G
Uncertain
0.013
D;D
Polyphen
0.012
B;.
Vest4
0.099
MutPred
0.46
Loss of sheet (P = 0.0817);.;
MVP
0.18
MPC
0.12
ClinPred
0.018
T
GERP RS
2.0
Varity_R
0.10
gMVP
0.18

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000062
dbscSNV1_RF
Benign
0.17
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: rs9901673; hg19: chr17-7484101; API