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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P36894: Variant p.Cys376Tyr

Bone morphogenetic protein receptor type-1A
Gene: BMPR1A
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Variant information Variant position: help 376 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 Cysteine (C) to Tyrosine (Y) at position 376 (C376Y, p.Cys376Tyr). 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 medium size and polar (C) to large size and aromatic (Y) 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 JPS. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 376 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 532 The length of the canonical sequence.
Location on the sequence: help PAIAHRDLKSKNILIKKNGS C CIADLGLAVKFNSDTNEVDV 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                         PAIAHRDLKSKNILIKKNGSCCIADLGLAVKFNSDTNEVDV

Mouse                         PAIAHRDLKSKNILIKKNGSCCIADLGLAVKFNSDTNEVDI

Rat                           PAIAHRDLKSKNILIKKNGSCCIADLGLAVKFNSDTNEVDI
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 24 – 532 Bone morphogenetic protein receptor type-1A
Topological domain 177 – 532 Cytoplasmic
Domain 234 – 525 Protein kinase
Active site 362 – 362 Proton acceptor



Literature citations
Germline mutations in BMPR1A/ALK3 cause a subset of cases of juvenile polyposis syndrome and of Cowden and Bannayan-Riley-Ruvalcaba syndromes.
Zhou X.-P.; Woodford-Richens K.; Lehtonen R.; Kurose K.; Aldred M.; Hampel H.; Launonen V.; Virta S.; Pilarski R.; Salovaara R.; Bodmer W.F.; Conrad B.A.; Dunlop M.; Hodgson S.V.; Iwama T.; Jaervinen H.; Kellokumpu I.; Kim J.C.; Leggett B.; Markie D.; Mecklin J.-P.; Neale K.; Phillips R.; Piris J.; Rozen P.; Houlston R.S.; Aaltonen L.A.; Tomlinson I.P.M.; Eng C.;
Am. J. Hum. Genet. 69:704-711(2001)
Cited for: VARIANTS JPS ARG-124; ASP-338 AND TYR-376;
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.