Is SRCAP p.Arg2207Leu (c.6620G>T) pathogenic?

SRCAP p.Arg2207Leu (c.6620G>T) is classified Uncertain significance in SRCAP (ClinVar, Single submitter, 1 submitter; last evaluated 2023-10-20). AlphaMissense: likely pathogenic (0.735); No allele count reported in gnomAD v4.1 (AN 1,613,916).

How common is SRCAP p.Arg2207Leu (c.6620G>T) in the general population?

SRCAP p.Arg2207Leu (c.6620G>T) is no allele count reported in gnomAD v4.1 (AN 1,613,916) (gnomAD).

What do computational predictors say about SRCAP p.Arg2207Leu (c.6620G>T)?

AlphaMissense predicts likely pathogenic (score 0.735) — an in-silico prediction, not a clinical call.

SRCAP p.Arg2207Leu

c.6620G>T · VCV3366222

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.735 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,613,916)

Computational evidence

Protein change
AlphaMissense	0.735	likely pathogenic
REVEL	0.407	indeterminate
SaProt	—	not scored · why
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP 12	GERP 2.7, phastCons 1
Regional constraint	o/e 0.54	unconstrained · MANE · 5,018 bp · p 2.4e-13 · regional, not allelic
Overall
CADD	26.5	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL is an independent agreement signal.

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,613,916). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: SRCAP
Protein: p.Arg2207Leu
Coding: c.6620G>T
MANE Select: NM_006662
Type: single nucleotide variant
Location: chr16:30734506 (GRCh38)
Gene constraint: LOEUF 0.223 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 2207: a UniProt-annotated variant site (in dehmba)

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

Similar variants

SRCAP p.Arg2207Gln Uncertain significance ★ ⚠ same residue
SRCAP p.Arg2207Gly Uncertain significance ★ ⚠ same residue
SRCAP p.Arg2329Ter Pathogenic/Likely pathogenic ★★ same type
SRCAP p.Arg2435Ter Pathogenic/Likely pathogenic ★★ same type
SRCAP p.Arg2444Ter Pathogenic ★★ same type
SRCAP p.Arg2718Ter Pathogenic/Likely pathogenic ★★ same type
SRCAP p.Arg2748Ter Pathogenic ★★ same type
SRCAP p.Gln2407Ter Pathogenic ★★ same type

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-arg2207leu (accessed [today's date]).

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