chr12-6528679-T-C

Variant summary

Our verdict is Benign. Variant got -15 ACMG points: 0P and 15B. BP4_StrongBP6_ModerateBP7BA1

The NM_014865.4(NCAPD2):ā€‹c.3300T>Cā€‹(p.Arg1100=) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.729 in 1,607,368 control chromosomes in the GnomAD database, including 429,779 homozygotes. In-silico tool predicts 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 Benign (ā˜…).

Frequency

Genomes: š‘“ 0.78 ( 47652 hom., cov: 31)
Exomes š‘“: 0.72 ( 382127 hom. )

Consequence

NCAPD2
NM_014865.4 splice_region, synonymous

Scores

2
Splicing: ADA: 0.0001095
2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.690
Variant links:
Genes affected
NCAPD2 (HGNC:24305): (non-SMC condensin I complex subunit D2) Enables histone binding activity. Involved in mitotic chromosome condensation. Located in condensed chromosome; cytosol; and nucleoplasm. Part of condensin complex. Colocalizes with cytoplasm and nuclear chromosome. Implicated in primary autosomal recessive microcephaly. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -15 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.47).
BP6
Variant 12-6528679-T-C is Benign according to our data. Variant chr12-6528679-T-C is described in ClinVar as [Benign]. Clinvar id is 1321846.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=0.69 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.936 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NCAPD2NM_014865.4 linkuse as main transcriptc.3300T>C p.Arg1100= splice_region_variant, synonymous_variant 26/32 ENST00000315579.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NCAPD2ENST00000315579.10 linkuse as main transcriptc.3300T>C p.Arg1100= splice_region_variant, synonymous_variant 26/321 NM_014865.4 P1
NCAPD2ENST00000535804.1 linkuse as main transcriptn.133T>C non_coding_transcript_exon_variant 1/23
NCAPD2ENST00000539084.5 linkuse as main transcriptc.*2995T>C splice_region_variant, 3_prime_UTR_variant, NMD_transcript_variant 25/312

Frequencies

GnomAD3 genomes
AF:
0.785
AC:
119244
AN:
151948
Hom.:
47597
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.944
Gnomad AMI
AF:
0.613
Gnomad AMR
AF:
0.797
Gnomad ASJ
AF:
0.712
Gnomad EAS
AF:
0.677
Gnomad SAS
AF:
0.673
Gnomad FIN
AF:
0.751
Gnomad MID
AF:
0.703
Gnomad NFE
AF:
0.713
Gnomad OTH
AF:
0.757
GnomAD3 exomes
AF:
0.745
AC:
186624
AN:
250596
Hom.:
70310
AF XY:
0.733
AC XY:
99305
AN XY:
135392
show subpopulations
Gnomad AFR exome
AF:
0.950
Gnomad AMR exome
AF:
0.862
Gnomad ASJ exome
AF:
0.703
Gnomad EAS exome
AF:
0.667
Gnomad SAS exome
AF:
0.690
Gnomad FIN exome
AF:
0.750
Gnomad NFE exome
AF:
0.711
Gnomad OTH exome
AF:
0.730
GnomAD4 exome
AF:
0.723
AC:
1052289
AN:
1455300
Hom.:
382127
Cov.:
56
AF XY:
0.721
AC XY:
520689
AN XY:
722480
show subpopulations
Gnomad4 AFR exome
AF:
0.955
Gnomad4 AMR exome
AF:
0.857
Gnomad4 ASJ exome
AF:
0.708
Gnomad4 EAS exome
AF:
0.664
Gnomad4 SAS exome
AF:
0.681
Gnomad4 FIN exome
AF:
0.750
Gnomad4 NFE exome
AF:
0.715
Gnomad4 OTH exome
AF:
0.729
GnomAD4 genome
AF:
0.785
AC:
119360
AN:
152068
Hom.:
47652
Cov.:
31
AF XY:
0.784
AC XY:
58287
AN XY:
74316
show subpopulations
Gnomad4 AFR
AF:
0.944
Gnomad4 AMR
AF:
0.797
Gnomad4 ASJ
AF:
0.712
Gnomad4 EAS
AF:
0.677
Gnomad4 SAS
AF:
0.672
Gnomad4 FIN
AF:
0.751
Gnomad4 NFE
AF:
0.713
Gnomad4 OTH
AF:
0.757
Alfa
AF:
0.720
Hom.:
92332
Bravo
AF:
0.798
Asia WGS
AF:
0.762
AC:
2649
AN:
3478
EpiCase
AF:
0.705
EpiControl
AF:
0.691

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Microcephaly 21, primary, autosomal recessive Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabSep 05, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.47
CADD
Benign
10
DANN
Benign
0.74

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00011
dbscSNV1_RF
Benign
0.016
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: rs2072374; hg19: chr12-6637845; COSMIC: COSV59701640; COSMIC: COSV59701640; API