chr19-8302334-G-A

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_016579.4(CD320):​c.*129C>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00353 in 1,163,048 control chromosomes in the GnomAD database, including 116 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.016 ( 62 hom., cov: 33)
Exomes 𝑓: 0.0017 ( 54 hom. )

Consequence

CD320
NM_016579.4 3_prime_UTR

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -1.18
Variant links:
Genes affected
CD320 (HGNC:16692): (CD320 molecule) This gene encodes the transcobalamin receptor that is expressed at the cell surface. It mediates the cellular uptake of transcobalamin bound cobalamin (vitamin B12), and is involved in B-cell proliferation and immunoglobulin secretion. Mutations in this gene are associated with methylmalonic aciduria. Alternatively spliced transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Jan 2011]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.92).
BP6
Variant 19-8302334-G-A is Benign according to our data. Variant chr19-8302334-G-A is described in ClinVar as [Benign]. Clinvar id is 1181546.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0543 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CD320NM_016579.4 linkuse as main transcriptc.*129C>T 3_prime_UTR_variant 5/5 ENST00000301458.10 NP_057663.1
CD320NM_001165895.2 linkuse as main transcriptc.*129C>T 3_prime_UTR_variant 4/4 NP_001159367.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CD320ENST00000301458.10 linkuse as main transcriptc.*129C>T 3_prime_UTR_variant 5/51 NM_016579.4 ENSP00000301458 P1Q9NPF0-1
CD320ENST00000596002.5 linkuse as main transcriptc.*1266C>T 3_prime_UTR_variant, NMD_transcript_variant 5/51 ENSP00000471773
CD320ENST00000537716.6 linkuse as main transcriptc.*129C>T 3_prime_UTR_variant 4/42 ENSP00000437697 Q9NPF0-2
CD320ENST00000599573.1 linkuse as main transcriptc.*578C>T 3_prime_UTR_variant, NMD_transcript_variant 5/52 ENSP00000471551

Frequencies

GnomAD3 genomes
AF:
0.0157
AC:
2393
AN:
152134
Hom.:
58
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0558
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00393
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:
0.000103
Gnomad OTH
AF:
0.00813
GnomAD3 exomes
AF:
0.00369
AC:
873
AN:
236618
Hom.:
22
AF XY:
0.00303
AC XY:
393
AN XY:
129534
show subpopulations
Gnomad AFR exome
AF:
0.0530
Gnomad AMR exome
AF:
0.00175
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000329
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000822
Gnomad OTH exome
AF:
0.00118
GnomAD4 exome
AF:
0.00167
AC:
1687
AN:
1010796
Hom.:
54
Cov.:
13
AF XY:
0.00143
AC XY:
749
AN XY:
522308
show subpopulations
Gnomad4 AFR exome
AF:
0.0579
Gnomad4 AMR exome
AF:
0.00196
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000265
Gnomad4 SAS exome
AF:
0.0000652
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000393
Gnomad4 OTH exome
AF:
0.00303
GnomAD4 genome
AF:
0.0159
AC:
2417
AN:
152252
Hom.:
62
Cov.:
33
AF XY:
0.0159
AC XY:
1181
AN XY:
74452
show subpopulations
Gnomad4 AFR
AF:
0.0562
Gnomad4 AMR
AF:
0.00392
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00805
Alfa
AF:
0.00158
Hom.:
4
Bravo
AF:
0.0170
Asia WGS
AF:
0.00404
AC:
14
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingGeneDxNov 16, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.92
CADD
Benign
0.34
DANN
Benign
0.53

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: rs2232788; hg19: chr19-8367218; COSMIC: COSV56848600; COSMIC: COSV56848600; API