16-30721323-C-T

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 1P and 20B. PP2BP4_StrongBP6_Very_StrongBS1BS2

The NM_006662.3(SRCAP):​c.3388C>T​(p.Pro1130Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00392 in 1,614,170 control chromosomes in the GnomAD database, including 19 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0028 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0040 ( 19 hom. )

Consequence

SRCAP
NM_006662.3 missense

Scores

10
9

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 1.66
Variant links:
Genes affected
SRCAP (HGNC:16974): (Snf2 related CREBBP activator protein) This gene encodes the core catalytic component of the multiprotein chromatin-remodeling SRCAP complex. The encoded protein is an ATPase that is necessary for the incorporation of the histone variant H2A.Z into nucleosomes. It can function as a transcriptional activator in Notch-mediated, CREB-mediated and steroid receptor-mediated transcription. Mutations in this gene cause Floating-Harbor syndrome, a rare disorder characterized by short stature, language deficits and dysmorphic facial features. [provided by RefSeq, Feb 2012]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), SRCAP. . Gene score misZ 2.1272 (greater than the threshold 3.09). Trascript score misZ 3.6253 (greater than threshold 3.09). GenCC has associacion of gene with developmental delay, hypotonia, musculoskeletal defects, and behavioral abnormalities, Floating-Harbor syndrome.
BP4
Computational evidence support a benign effect (MetaRNN=0.008159697).
BP6
Variant 16-30721323-C-T is Benign according to our data. Variant chr16-30721323-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 195606.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-30721323-C-T is described in Lovd as [Likely_benign].
BS1
Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.00285 (434/152344) while in subpopulation AMR AF= 0.00575 (88/15302). AF 95% confidence interval is 0.00478. There are 0 homozygotes in gnomad4. There are 214 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 434 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SRCAPNM_006662.3 linkuse as main transcriptc.3388C>T p.Pro1130Ser missense_variant 21/34 ENST00000262518.9 NP_006653.2 Q6ZRS2-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SRCAPENST00000262518.9 linkuse as main transcriptc.3388C>T p.Pro1130Ser missense_variant 21/342 NM_006662.3 ENSP00000262518.4 Q6ZRS2-1
ENSG00000282034ENST00000380361.7 linkuse as main transcriptn.3196+345C>T intron_variant 2 ENSP00000369719.3 A0A0C4DFX4

Frequencies

GnomAD3 genomes
AF:
0.00285
AC:
434
AN:
152226
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000748
Gnomad AMI
AF:
0.00548
Gnomad AMR
AF:
0.00576
Gnomad ASJ
AF:
0.00173
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00207
Gnomad FIN
AF:
0.00226
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00387
Gnomad OTH
AF:
0.00335
GnomAD3 exomes
AF:
0.00287
AC:
722
AN:
251382
Hom.:
2
AF XY:
0.00279
AC XY:
379
AN XY:
135870
show subpopulations
Gnomad AFR exome
AF:
0.000984
Gnomad AMR exome
AF:
0.00428
Gnomad ASJ exome
AF:
0.00119
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00225
Gnomad FIN exome
AF:
0.00208
Gnomad NFE exome
AF:
0.00360
Gnomad OTH exome
AF:
0.00375
GnomAD4 exome
AF:
0.00403
AC:
5888
AN:
1461826
Hom.:
19
Cov.:
33
AF XY:
0.00391
AC XY:
2844
AN XY:
727224
show subpopulations
Gnomad4 AFR exome
AF:
0.000627
Gnomad4 AMR exome
AF:
0.00436
Gnomad4 ASJ exome
AF:
0.00172
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00247
Gnomad4 FIN exome
AF:
0.00189
Gnomad4 NFE exome
AF:
0.00461
Gnomad4 OTH exome
AF:
0.00306
GnomAD4 genome
AF:
0.00285
AC:
434
AN:
152344
Hom.:
0
Cov.:
32
AF XY:
0.00287
AC XY:
214
AN XY:
74500
show subpopulations
Gnomad4 AFR
AF:
0.000746
Gnomad4 AMR
AF:
0.00575
Gnomad4 ASJ
AF:
0.00173
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00207
Gnomad4 FIN
AF:
0.00226
Gnomad4 NFE
AF:
0.00387
Gnomad4 OTH
AF:
0.00331
Alfa
AF:
0.00350
Hom.:
1
Bravo
AF:
0.00293
TwinsUK
AF:
0.00405
AC:
15
ALSPAC
AF:
0.00337
AC:
13
ESP6500AA
AF:
0.00159
AC:
7
ESP6500EA
AF:
0.00477
AC:
41
ExAC
AF:
0.00257
AC:
312
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.00393
EpiControl
AF:
0.00332

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:5
Likely benign, no assertion criteria providedclinical testingDiagnostic Laboratory, Department of Genetics, University Medical Center Groningen-- -
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 30, 2024- -
Likely benign, no assertion criteria providedclinical testingClinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center-- -
Likely benign, no assertion criteria providedclinical testingGenome Diagnostics Laboratory, University Medical Center Utrecht-- -
Benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenOct 01, 2024SRCAP: BS1, BS2 -
not specified Benign:2
Benign, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Mar 03, 2015- -
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.29
BayesDel_addAF
Benign
-0.16
T
BayesDel_noAF
Uncertain
0.0
CADD
Uncertain
23
DANN
Benign
0.95
DEOGEN2
Benign
0.054
T;T
Eigen
Uncertain
0.44
Eigen_PC
Uncertain
0.51
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Uncertain
0.87
D;D
M_CAP
Uncertain
0.12
D
MetaRNN
Benign
0.0082
T;T
MetaSVM
Uncertain
0.41
D
MutationAssessor
Benign
0.90
L;.
PrimateAI
Uncertain
0.63
T
PROVEAN
Benign
-2.1
N;.
REVEL
Uncertain
0.38
Sift
Uncertain
0.0010
D;.
Sift4G
Benign
0.11
T;T
Polyphen
0.98
D;.
Vest4
0.47
MVP
0.26
MPC
0.54
ClinPred
0.022
T
GERP RS
5.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.12
gMVP
0.22

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: rs143519723; hg19: chr16-30732644; API