19-19201711-C-T

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_003721.4(RFXANK):​c.775C>T​(p.Pro259Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000756 in 1,613,954 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000075 ( 0 hom. )

Consequence

RFXANK
NM_003721.4 missense

Scores

1
1
17

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.182

Publications

3 publications found
Variant links:
Genes affected
RFXANK (HGNC:9987): (regulatory factor X associated ankyrin containing protein) Major histocompatibility (MHC) class II molecules are transmembrane proteins that have a central role in development and control of the immune system. The protein encoded by this gene, along with regulatory factor X-associated protein and regulatory factor-5, forms a complex that binds to the X box motif of certain MHC class II gene promoters and activates their transcription. Once bound to the promoter, this complex associates with the non-DNA-binding factor MHC class II transactivator, which controls the cell type specificity and inducibility of MHC class II gene expression. This protein contains ankyrin repeats involved in protein-protein interactions. Mutations in this gene have been linked to bare lymphocyte syndrome type II, complementation group B. Multiple alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Jul 2013]
NR2C2AP (HGNC:30763): (nuclear receptor 2C2 associated protein) Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.011481583).
BP6
Variant 19-19201711-C-T is Benign according to our data. Variant chr19-19201711-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 722510.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
RFXANKNM_003721.4 linkc.775C>T p.Pro259Ser missense_variant Exon 10 of 10 ENST00000303088.9 NP_003712.1 O14593-1A0A024R7M1
NR2C2APNM_176880.6 linkc.*214G>A 3_prime_UTR_variant Exon 5 of 5 ENST00000331552.12 NP_795361.1 Q86WQ0-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
RFXANKENST00000303088.9 linkc.775C>T p.Pro259Ser missense_variant Exon 10 of 10 1 NM_003721.4 ENSP00000305071.2 O14593-1
NR2C2APENST00000331552.12 linkc.*214G>A 3_prime_UTR_variant Exon 5 of 5 1 NM_176880.6 ENSP00000332823.6 Q86WQ0-1
NR2C2APENST00000420605.7 linkc.415-148G>A intron_variant Intron 5 of 5 2 ENSP00000402756.1 Q86WQ0-2

Frequencies

GnomAD3 genomes
AF:
0.0000788
AC:
12
AN:
152216
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00259
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.000176
AC:
44
AN:
250550
AF XY:
0.000184
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00387
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000265
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.0000753
AC:
110
AN:
1461738
Hom.:
0
Cov.:
31
AF XY:
0.0000825
AC XY:
60
AN XY:
727180
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.0000894
AC:
4
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00275
AC:
72
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53304
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000207
AC:
23
AN:
1111984
Other (OTH)
AF:
0.000182
AC:
11
AN:
60386
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.483
Heterozygous variant carriers
0
9
17
26
34
43
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000788
AC:
12
AN:
152216
Hom.:
0
Cov.:
32
AF XY:
0.000108
AC XY:
8
AN XY:
74352
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41454
American (AMR)
AF:
0.00
AC:
0
AN:
15280
Ashkenazi Jewish (ASJ)
AF:
0.00259
AC:
9
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
68044
Other (OTH)
AF:
0.000478
AC:
1
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
1
3
4
6
7
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000452
Hom.:
0
Bravo
AF:
0.0000869
ExAC
AF:
0.0000988
AC:
12
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

MHC class II deficiency Benign:1
Jan 12, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.073
BayesDel_addAF
Benign
-0.19
T
BayesDel_noAF
Benign
-0.44
CADD
Benign
15
DANN
Benign
0.94
DEOGEN2
Benign
0.099
T;.;T;T;.
Eigen
Benign
-0.80
Eigen_PC
Benign
-0.85
FATHMM_MKL
Benign
0.17
N
LIST_S2
Benign
0.73
.;T;T;T;.
M_CAP
Benign
0.013
T
MetaRNN
Benign
0.011
T;T;T;T;T
MetaSVM
Benign
-0.97
T
MutationAssessor
Benign
1.1
L;.;L;.;.
PhyloP100
-0.18
PrimateAI
Benign
0.32
T
PROVEAN
Benign
-0.81
N;N;.;N;D
REVEL
Benign
0.028
Sift
Uncertain
0.013
D;D;.;D;.
Sift4G
Pathogenic
0.0
D;D;D;D;.
Polyphen
0.19
B;.;B;.;.
Vest4
0.13
MutPred
0.38
Loss of glycosylation at P259 (P = 0.0617);.;Loss of glycosylation at P259 (P = 0.0617);.;.;
MVP
0.58
MPC
0.33
ClinPred
0.052
T
GERP RS
0.16
Varity_R
0.032
gMVP
0.28
Mutation Taster
=90/10
polymorphism

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

Other links and lift over

dbSNP: rs199868077; hg19: chr19-19312520; API