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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9H3D4: Variant p.Arg318His

Tumor protein 63
Gene: TP63
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Variant information Variant position: help 318 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 Histidine (H) at position 318 (R318H, p.Arg318His). 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 (H) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help 0 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 EEC3 and RHS; does not decrease the transcriptional activity of the isoform 5 on a TP53 reporter system but disrupts the dominant-negative activity of isoform 2 and isoform 5 on the transcriptional activity of TP53. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 318 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 680 The length of the canonical sequence.
Location on the sequence: help EFTTVLYNFMCNSSCVGGMN R RPILIIVTLETRDGQVLGRR 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                         EFTTVLYNFMCNSSCVGGMNRRPILIIVTLETRDGQVLGRR

Mouse                         EFTTVLYNFMCNSSCVGGMNRRPILIIVTLETRDGQVLGRR

Rat                           EFTTVLYNFMCNSSCVGGMNRRPILIIVTLETRDGQVLGRR

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 – 680 Tumor protein 63
DNA binding 170 – 362
Binding site 308 – 308
Binding site 312 – 312
Turn 313 – 318



Literature citations
Split-hand/split-foot malformation is caused by mutations in the p63 gene on 3q27.
Ianakiev P.; Kilpatrick M.W.; Toudjarska I.; Basel D.; Beighton P.; Tsipouras P.;
Am. J. Hum. Genet. 67:59-66(2000)
Cited for: VARIANTS SHFM4 GLU-233 AND CYS-319; VARIANTS EEC3 HIS-318 AND GLN-343; p63 gene mutations in EEC syndrome, limb-mammary syndrome, and isolated split hand-split foot malformation suggest a genotype-phenotype correlation.
van Bokhoven H.; Hamel B.C.J.; Bamshad M.; Sangiorgi E.; Gurrieri F.; Duijf P.H.G.; Vanmolkot K.R.J.; van Beusekom E.; van Beersum S.E.C.; Celli J.; Merkx G.F.M.; Tenconi R.; Fryns J.-P.; Verloes A.; Newbury-Ecob R.A.; Raas-Rotschild A.; Majewski F.; Beemer F.A.; Janecke A.; Chitayat D.; Crisponi G.; Kayserili H.; Yates J.R.W.; Neri G.; Brunner H.G.;
Am. J. Hum. Genet. 69:481-492(2001)
Cited for: VARIANTS EEC3 GLN-243; TRP-243; GLN-266; TYR-308; ASN-311; CYS-318; HIS-318; GLN-318; CYS-319; HIS-319; SER-319; TRP-343; GLN-343; ARG-345; SER-347; SER-348 AND HIS-351; VARIANTS SHFM4 PRO-193 INS; GLU-232 AND HIS-319; INVOLVEMENT IN LMS; The Rapp-Hodgkin syndrome results from mutations of the TP63 gene.
Bougeard G.; Hadj-Rabia S.; Faivre L.; Sarafan-Vasseur N.; Frebourg T.;
Eur. J. Hum. Genet. 11:700-704(2003)
Cited for: VARIANT RHS HIS-318; CHARACTERIZATION OF VARIANT RHS HIS-318;
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.