Is COL11A2 p.Pro445Arg (c.1334C>G) pathogenic?

COL11A2 p.Pro445Arg (c.1334C>G) is classified Uncertain significance in COL11A2 (ClinVar, Single submitter, 1 submitter; last evaluated 2021-11-01). AlphaMissense: likely benign (0.2555); Absent from gnomAD v4.1.

How common is COL11A2 p.Pro445Arg (c.1334C>G) in the general population?

COL11A2 p.Pro445Arg (c.1334C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about COL11A2 p.Pro445Arg (c.1334C>G)?

AlphaMissense predicts likely benign (score 0.2555) — an in-silico prediction, not a clinical call.

COL11A2 p.Pro445Arg

c.1334C>G · rs2150584234 · VCV1491654

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.2555 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

1/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.2555	likely benign
REVEL	0.822	moderately pathogenic-leaning
SaProt	LLR -6.71	tolerated
⇒ REVEL calls this damaging; AlphaMissense and SaProt do not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 9.7	GERP 0.68, phastCons 1
Regional constraint	o/e 0.81	unconstrained · MANE · 29 kb · p 3e-20 · regional, not allelic
Overall
CADD	28.1	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: COL11A2
Protein: p.Pro445Arg
Coding: c.1334C>G
MANE Select: NM_080680
dbSNP: rs2150584234
Type: single nucleotide variant
Location: chr6:33180283 (GRCh38)
Gene constraint: LOEUF 0.503 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 50.18
Residue 445: the 'nonhelical region' region; the 'disordered' region; the collagen-like 1 domain

Full COL11A2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

COL11A2 p.Pro445Ala Uncertain significance ★★ ⚠ same residue
COL11A2 p.Pro445Ser Uncertain significance ★★ ⚠ same residue
COL11A2 p.Pro445= Likely benign ★ same residue
COL11A2 c.1119+1G>A Likely pathogenic ★★ same type
COL11A2 c.1819-2A>G Likely pathogenic ★★ same type
COL11A2 c.3852+1G>T Likely pathogenic ★★ same type
COL11A2 c.4392+1G>A Pathogenic ★★ same type
COL11A2 c.607-2A>T Likely 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/col11a2-p-pro445arg (accessed [today's date]).

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