NM_201253.3(CRB1):c.2404C>T (p.Pro802Ser) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jul 10, 2023
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV001317452.8

Allele description [Variation Report for NM_201253.3(CRB1):c.2404C>T (p.Pro802Ser)]

NM_201253.3(CRB1):c.2404C>T (p.Pro802Ser)

Gene:

CRB1:crumbs cell polarity complex component 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

1q31.3

Genomic location:

Preferred name:

NM_201253.3(CRB1):c.2404C>T (p.Pro802Ser)

HGVS:

NC_000001.11:g.197427729C>T
NG_008483.2:g.231268C>T
NM_001193640.2:c.2068C>T
NM_001257965.2:c.2197C>T
NM_001257966.2:c.2128+5773C>T
NM_201253.3:c.2404C>TMANE SELECT
NP_001180569.1:p.Pro690Ser
NP_001244894.1:p.Pro733Ser
NP_957705.1:p.Pro802Ser
NC_000001.10:g.197396859C>T
NR_047563.2:n.2357C>T
NR_047564.2:n.2565C>T

Protein change:

P690S

Links:

dbSNP: rs767723282

NCBI 1000 Genomes Browser:

rs767723282

Molecular consequence:

NM_001257966.2:c.2128+5773C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_001193640.2:c.2068C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_001257965.2:c.2197C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_201253.3:c.2404C>T - missense variant - [Sequence Ontology: SO:0001583]
NR_047563.2:n.2357C>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]
NR_047564.2:n.2565C>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:: Retinitis pigmentosa 12 (RP12)
Synonyms:: RP WITH OR WITHOUT PPRPE; RP WITH OR WITHOUT PRESERVED PARAARTERIOLE RETINAL PIGMENT EPITHELIUM; RETINITIS PIGMENTOSA WITH OR WITHOUT PARAARTERIOLAR PRESERVATION OF RETINAL PIGMENT EPITHELIUM
Identifiers:: MONDO: MONDO:0010818; MedGen: C1838647; Orphanet: 791; OMIM: 600105

Name:: Leber congenital amaurosis 8 (LCA8)
Identifiers:: MONDO: MONDO:0013453; MedGen: C3151202; Orphanet: 65; OMIM: 613835

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001508116	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jul 10, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001508116

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jul 10, 2023)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group, Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9..

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001508116.5

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt CRB1 protein function. ClinVar contains an entry for this variant (Variation ID: 1018187). This variant has not been reported in the literature in individuals affected with CRB1-related conditions. This variant is present in population databases (rs767723282, gnomAD 0.004%). This sequence change replaces proline, which is neutral and non-polar, with serine, which is neutral and polar, at codon 802 of the CRB1 protein (p.Pro802Ser).

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: May 16, 2025

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