CROCC p.Arg623Pro
c.1868G>C · VCV4234352
Computational evidence
| Protein change | ||
| AlphaMissense | 0.3748 | ambiguous |
|---|---|---|
| REVEL | 0.029 | moderately benign-leaning |
| SaProt | LLR -15.33 | damaging |
| ⇒ SaProt calls this damaging; REVEL does not; AlphaMissense makes no call. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -4.1 | GERP -3.4 |
| Regional constraint | o/e 1.09 | unconstrained · MANE · 22 kb · p 0.01 · regional, not allelic |
| Overall | ||
| CADD | 9.672 | PHRED · no single calibrated threshold — expert panels disagree |
AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.
Population frequency
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Amishnot grpmax-eligible | 6.71% | 15 |
| African / African-Americangrpmax | 0.418% | 239 |
| Middle Eastern | 0.11% | 913 |
| Remaining individualsnot grpmax-eligible | 0.0996% | 1,004 |
| Admixed American | 0.0955% | 1,047 |
| European (non-Finnish) | 0.0398% | 2,511 |
| South Asian | 0.0285% | 3,514 |
| East Asian | 0.00949% | 10,540 |
| Ashkenazi Jewishnot grpmax-eligible | 0.00698% | 14,328 |
Amish shows a higher raw frequency than the grpmax group above it. gnomAD excludes bottlenecked groups — Finnish, Ashkenazi Jewish, Amish and “Remaining individuals” — from grpmax, because founder effects make their frequencies unrepresentative for filtering. The table is sorted by frequency, so an excluded group can sit above the grpmax row.
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
- CROCC
- Protein
- p.Arg623Pro
- Coding
- c.1868G>C
- MANE Select
- NM_014675
- Type
- single nucleotide variant
- Location
- chr1:16944159 (GRCh38)
- Gene constraint
- LOEUF 1.165 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 69.58 · 2 PDB
Similar variants
- CROCC p.Arg1094Trp Uncertain significance ★★ ⚠ same type
- CROCC p.Asp1119His Uncertain significance ★★ ⚠ same type
- CROCC p.Gly486Arg Uncertain significance ★★ ⚠ same type
- CROCC p.Arg1729Gln Likely benign ★★ same type
- CROCC p.Arg1908Cys Benign ★★ ⚠ same type
- CROCC p.Arg675His Benign ★★ same type
- CROCC p.Arg691His Benign ★★ same type
- CROCC p.Arg903Ser Benign/Likely benign ★★ 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/crocc-p-arg623pro (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown