Is SRCAP p.Thr2836= (c.8508T>G) pathogenic?

SRCAP p.Thr2836= (c.8508T>G) is classified Benign/Likely benign in SRCAP (ClinVar, Multiple submitters, 3 submitters; last evaluated 2026-06-01). Rare (popmax 0.163%, amr); Associated with developmental delay, hypotonia, musculoskeletal defects, and behavioral abnormalities.

How common is SRCAP p.Thr2836= (c.8508T>G) in the general population?

SRCAP p.Thr2836= (c.8508T>G) is rare (popmax 0.163%, amr) (gnomAD).

SRCAP p.Thr2836=

Q: What condition is associated with SRCAP p.Thr2836= (c.8508T>G)?

SRCAP p.Thr2836= (c.8508T>G) is associated with developmental delay, hypotonia, musculoskeletal defects, and behavioral abnormalities, Floating-Harbor syndrome (ClinVar).

c.8508T>G · rs758398423 · VCV722409

Benign/Likely benign Multiple submitters

Classification

Benign/Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 3 submitters

gnomAD v4.1

Rare

rare (popmax 0.163%, amr)

Conditions

developmental delay, hypotonia, musculoskeletal defects, and behavioral abnormalities

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.7	GERP -2.4, phastCons 1
Overall
CADD	4.502	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.163% Admixed American · 97/59,528 alleles

Filtering AF 0.137% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.127%

Overall 0.00614% 99/1,611,434 alleles · rare exomes 90/1,459,326 · genomes 9/152,108 · joint denominator

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.163%	614
Remaining individualsnot grpmax-eligible	0.00321%	31,170

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: SRCAP
Protein: p.Thr2836=
Coding: c.8508T>G
MANE Select: NM_006662
dbSNP: rs758398423
Type: single nucleotide variant
Location: chr16:30738548 (GRCh38)
Gene constraint: LOEUF 0.223 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 2836: the 'disordered' region; a UniProt-annotated variant site (in dehmba); a UniProt-annotated variant site (in flhs)

Full SRCAP gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

developmental delay, hypotonia, musculoskeletal defects, and behavioral abnormalities — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: Floating-Harbor syndrome

Similar variants

SRCAP p.Arg2329Ter Pathogenic/Likely pathogenic ★★ same condition
SRCAP p.Arg2435Ter Pathogenic/Likely pathogenic ★★ same condition
SRCAP p.Arg2444Ter Pathogenic ★★ same condition
SRCAP p.Arg2718Ter Pathogenic/Likely pathogenic ★★ same condition
SRCAP p.Arg2748Ter Pathogenic ★★ same condition
SRCAP p.Gln2407Ter Pathogenic ★★ same condition
SRCAP p.Gln2419Ter Pathogenic ★★ same condition
SRCAP p.Gln2665Ter Pathogenic/Likely pathogenic ★★ same condition

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/srcap-p-thr2836 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown