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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q92793: Variant p.Arg1378Pro

CREB-binding protein
Gene: CREBBP
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Variant information Variant position: help 1378 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 Proline (P) at position 1378 (R1378P, p.Arg1378Pro). 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 hydrophobic (P) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -2 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 RSTS1; abolishes acetyltransferase activity and the ability of transactivate CREB. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 1378 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 2442 The length of the canonical sequence.
Location on the sequence: help FVRVVASSDKTVEVKPGMKS R FVDSGEMSESFPYRTKALFA 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.
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 2 – 2442 CREB-binding protein
Domain 1323 – 1700 CBP/p300-type HAT
Modified residue 1382 – 1382 Phosphoserine; by IKKA
Modified residue 1386 – 1386 Phosphoserine; by IKKA



Literature citations
Defect of histone acetyltransferase activity of the nuclear transcriptional coactivator CBP in Rubinstein-Taybi syndrome.
Murata T.; Kurokawa R.; Krones A.; Tatsumi K.; Ishii M.; Taki T.; Masuno M.; Ohashi H.; Yanagisawa M.; Rosenfeld M.G.; Glass C.K.; Hayashi Y.;
Hum. Mol. Genet. 10:1071-1076(2001)
Cited for: VARIANT RSTS1 PRO-1378; Insights into genotype-phenotype correlations from CREBBP point mutation screening in a cohort of 46 Rubinstein-Taybi syndrome patients.
Spena S.; Milani D.; Rusconi D.; Negri G.; Colapietro P.; Elcioglu N.; Bedeschi F.; Pilotta A.; Spaccini L.; Ficcadenti A.; Magnani C.; Scarano G.; Selicorni A.; Larizza L.; Gervasini C.;
Clin. Genet. 88:431-440(2015)
Cited for: VARIANTS HIS-503; THR-532 AND ASN-546; VARIANTS RSTS1 PHE-650; THR-789; CYS-1175; ALA-1278; PRO-1378; TYR-1406; PRO-1415; THR-1475; PHE-1503; PRO-1507 AND ASN-1543;
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.