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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P49593: Variant p.Arg302Cys

Protein phosphatase 1F
Gene: PPM1F
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Variant information Variant position: help 302 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 302 (R302C, p.Arg302Cys). 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 sclerosing cholangitis short stature hypothyroidism and abnormal tongue pigmentation; 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 302 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 454 The length of the canonical sequence.
Location on the sequence: help QGQVVKLMEPHRPERQDEKA R IEALGGFVSHMDCWRVNGTL 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                         QGQVVKLMEPHRPERQDEKARIEALGGFVSHMDCWRVNGTL

Mouse                         QGRVVKLMEPHKPERQDEKARIEALGGFVSLMDCWRVNGTL

Rat                           QGQVVKLMEPHKPERQDEKSRIEALGGFVSLMDCWRVNGTL

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 – 454 Protein phosphatase 1F
Domain 156 – 413 PPM-type phosphatase



Literature citations
Identification of novel loci for pediatric cholestatic liver disease defined by KIF12, PPM1F, USP53, LSR, and WDR83OS pathogenic variants.
Maddirevula S.; Alhebbi H.; Alqahtani A.; Algoufi T.; Alsaif H.S.; Ibrahim N.; Abdulwahab F.; Barr M.; Alzaidan H.; Almehaideb A.; AlSasi O.; Alhashem A.; Hussaini H.A.; Wali S.; Alkuraya F.S.;
Genet. Med. 21:1164-1172(2019)
Cited for: VARIANT CYS-302;
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.