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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9C0D0: Variant p.Arg521Cys

Phosphatase and actin regulator 1
Gene: PHACTR1
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Variant information Variant position: help 521 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Type of variant: help LP/P [Disclaimer] 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 521 (R521C, p.Arg521Cys). 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 In DEE70; loss of interaction with PP1 complex. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 521 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 580 The length of the canonical sequence.
Location on the sequence: help TRKLSQRPTVEELRERKILI R FSDYVEVADAQDYDRRADKP 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                         TRKLSQRPTVEELRERKILIRFSDYVEVADAQDYDRRADKP

Mouse                         TRKLSQRPTVEELRERKILIRFSDYVEVADAQDYDRRADKP

Rat                           TRKLSQRPTVEELRERKILIRFSDYVEVADAQDYDRRADKP

Chicken                       TRKLSQRPTVEELRERKILIRFSDYVEVADAQDYDRRADKP

Xenopus laevis                TRKLSQRPTVEELREKKILISFSDYVELADAQDYDRRADKP

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 – 580 Phosphatase and actin regulator 1
Repeat 498 – 523 RPEL 4
Modified residue 505 – 505 Phosphoserine
Alternative sequence 485 – 580 Missing. In isoform 2.



Literature citations
De novo PHACTR1 mutations in West syndrome and their pathophysiological effects.
Hamada N.; Ogaya S.; Nakashima M.; Nishijo T.; Sugawara Y.; Iwamoto I.; Ito H.; Maki Y.; Shirai K.; Baba S.; Maruyama K.; Saitsu H.; Kato M.; Matsumoto N.; Momiyama T.; Nagata K.I.;
Brain 141:3098-3114(2018)
Cited for: INVOLVEMENT IN DEE70; VARIANTS DEE70 ILE-479 AND PRO-500; CHARACTERIZATION OF VARIANTS DEE70 ILE-479; PRO-500 AND CYS-521; Diagnostic exome sequencing in persons with severe intellectual disability.
de Ligt J.; Willemsen M.H.; van Bon B.W.; Kleefstra T.; Yntema H.G.; Kroes T.; Vulto-van Silfhout A.T.; Koolen D.A.; de Vries P.; Gilissen C.; del Rosario M.; Hoischen A.; Scheffer H.; de Vries B.B.; Brunner H.G.; Veltman J.A.; Vissers L.E.;
N. Engl. J. Med. 367:1921-1929(2012)
Cited for: VARIANT DEE70 CYS-521;
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.