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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q96I76: Variant p.Arg137Cys

G patch domain-containing protein 3
Gene: GPATCH3
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Variant information Variant position: help 137 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help US The variants are classified into three categories: LP/P, LB/B and US.
  • LP/P: likely pathogenic or pathogenic.
  • LB/B: likely benign or benign.
  • US: uncertain significance

Residue change: help From Arginine (R) to Cysteine (C) at position 137 (R137C, p.Arg137Cys). Indicates the amino acid change of the variant. The one-letter and three-letter codes for amino acids used in UniProtKB/Swiss-Prot are those adopted by the commission on Biochemical Nomenclature of the IUPAC-IUB.
Physico-chemical properties: help Change from large size and basic (R) to medium size and polar (C) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -3 The score within a Blosum matrix for the corresponding wild-type to variant amino acid change. The log-odds score measures the logarithm for the ratio of the likelihood of two amino acids appearing by chance. The Blosum62 substitution matrix is used. This substitution matrix contains scores for all possible exchanges of one amino acid with another:
  • Lowest score: -4 (low probability of substitution).
  • Highest score: 11 (high probability of substitution).
More information can be found on the following page

Variant description: help Found in a patient with secondary congenital glaucoma with anterior segment dysgenesis and microphthalmia; uncertain significance. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 137 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 525 The length of the canonical sequence.
Location on the sequence: help LIRMYSGRRWLDSHGTWLPG R CLIRRLRLPTEASGLGSFPF The residue change on the sequence. Unless the variant is located at the beginning or at the end of the protein sequence, both residues upstream (20) and downstream (20) of the variant will be shown.
Residue conservation: help The multiple alignment of the region surrounding the variant against various orthologous sequences.
Human                         LIRMYSGRRWLDSHGTWLPGRCLIRRLRLPTEASGLGSFPF

Mouse                         LLRMYSGRRWLDSQGTWLPGRCLIRRLRLPTEVSDLGSFPF

Sequence annotation in neighborhood: help The regions or sites of interest surrounding the variant. In general the features listed are posttranslational modifications, binding sites, enzyme active sites, local secondary structure or other characteristics reported in the cited references. The "Sequence annotation in neighborhood" lines have a fixed format:
  • Type: the type of sequence feature.
  • Positions: endpoints of the sequence feature.
  • Description: contains additional information about the feature.
TypePositionsDescription
Chain 1 – 525 G patch domain-containing protein 3



Literature citations
Whole-exome sequencing of congenital glaucoma patients reveals hypermorphic variants in GPATCH3, a new gene involved in ocular and craniofacial development.
Ferre-Fernandez J.J.; Aroca-Aguilar J.D.; Medina-Trillo C.; Bonet-Fernandez J.M.; Mendez-Hernandez C.D.; Morales-Fernandez L.; Corton M.; Cabanero-Valera M.J.; Gut M.; Tonda R.; Ayuso C.; Coca-Prados M.; Garcia-Feijoo J.; Escribano J.;
Sci. Rep. 7:46175-46175(2017)
Cited for: FUNCTION; TISSUE SPECIFICITY; SUBCELLULAR LOCATION; POSSIBLE INVOLVEMENT IN CONGENITAL GLAUCOMA; VARIANTS MET-23; CYS-137; SER-234 AND GLU-475; CHARACTERIZATION OF VARIANTS SER-234 AND GLU-475;
Disclaimer: Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. They are not in any way intended to be used as a substitute for professional medical advice, diagnostic, treatment or care.