SCAF4
Homo sapiens
Gene Name: SR-related CTD associated factor 4
Aliases: SFRS15, SRA4
Chromosome No: 21
Chromosome Band: 21q22.11
Genetic Category: Rare single gene variant-Syndromic-Syndromic/Functional
Aliases: SFRS15, SRA4
Chromosome No: 21
Chromosome Band: 21q22.11
Genetic Category: Rare single gene variant-Syndromic-Syndromic/Functional
Summary Statistics:
ASD Reports: 8
Recent Reports: 0
Annotated variants: 61
Associated CNVs: 4
Evidence score: 4
ASD Reports: 8
Recent Reports: 0
Annotated variants: 61
Associated CNVs: 4
Evidence score: 4
| Associated Disorders: |
|
Relevance to Autism
Fliedner et al., 2020 described eleven individuals with heterozygous SCAF4 variants that presented with a neurodevelopmental disorder characterized by developmental delay and intellectual disability, seizures, behavioral abnormalities, and various skeletal and structural anomalies; five individuals in this cohort were reported to have autism, while an additional two individuals presented with autistic features.
Molecular Function
This gene likely encodes a member of the arginine/serine-rich splicing factor family. A similar protein in Rat appears to bind the large subunit of RNA polymerase II and provide a link between transcription and pre-mRNA splicing.
References
Type
Title
Type of Disorder
Associated Disorders
Author, Year
Primary
Variants in SCAF4 Cause a Neurodevelopmental Disorder and Are Associated with Impaired mRNA Processing
DD, ID
ASD or autistic features, epilepsy/seizures
Support
Recent ultra-rare inherited variants implicate new autism candidate risk genes
ASD
Support
Rates, distribution and implications of postzygotic mosaic mutations in autism spectrum disorder.
ASD
Support
Further delineation of the SCAF4-associated neurodevelopmental disorder
DD, ID
ASD or autistic features, ADHD, epilepsy/seizures,
Support
Next-generation phenotyping integrated in a national framework for patients with ultrarare disorders improves genetic diagnostics and yields new molecular findings
DD, ID, cognitive impairment
Epilepsy/seizures
Support
Mutational Landscape of Autism Spectrum Disorder Brain Tissue
ASD
Rare
Variant ID
Variant Type
Allele Change
Residue Change
Inheritance Pattern
Inheritance Association
Family Type
Author, Year
GEN1203R002
frameshift_variant
c.408_411del
p.Asn136LysfsTer8
De novo
Simplex
GEN1203R010
frameshift_variant
c.3155_3156del
p.Glu1052ValfsTer3
Unknown
Multiplex
GEN1203R023
frameshift_variant
c.299_302del
p.Tyr100PhefsTer10
De novo
Multiplex (monozygotic twins)
GEN1203R027
frameshift_variant
c.768del
p.Phe257LeufsTer89
Familial
Paternal
Simplex
GEN1203R028
frameshift_variant
c.836_839del
p.Lys279ArgfsTer66
De novo
Simplex
GEN1203R029
frameshift_variant
c.839_840del
p.Glu280GlyfsTer82
Unknown
Multiplex
GEN1203R032
splice_site_variant
c.1064_1068+12del
p.?
Unknown
Extended multiplex
GEN1203R034
frameshift_variant
c.1295_1296del
p.Arg432LysfsTer5
De novo
Simplex
GEN1203R035
missense_variant
c.1322G>C
p.Arg441Thr
Unknown
Not maternal
Simplex
GEN1203R042
frameshift_variant
c.1457_1458del
p.Lys486ArgfsTer49
Unknown
Unknown
GEN1203R043
frameshift_variant
c.1463_1466del
p.Arg488AsnfsTer10
Familial
Paternal
Simplex
GEN1203R044
frameshift_variant
c.1463_1466del
p.Arg488AsnfsTer10
Familial
Paternal
Multiplex
GEN1203R049
frameshift_variant
c.1746_1749del
p.Asn582LysfsTer3
Familial
Maternal
Simplex
GEN1203R056
frameshift_variant
c.2503dup
p.Ala835GlyfsTer83
Unknown
Not maternal
Simplex
Common
No Common Variants Available






