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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q9BX63: Variant p.Ala349Pro

Fanconi anemia group J protein
Gene: BRIP1
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Variant information Variant position: help 349 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 Alanine (A) to Proline (P) at position 349 (A349P, p.Ala349Pro). 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 small size and hydrophobic (A) to medium size and hydrophobic (P) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -1 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 FANCJ; destabilizes iron-sulfur-binding and abolishes helicase activity. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 349 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 1249 The length of the canonical sequence.
Location on the sequence: help QGMCKAWDIEELVSLGKKLK A CPYYTARELIQDADIIFCPY 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                         QGMCKAWDIEELVSLGKKLKACPYYTARELIQDADIIFCPY

Mouse                         QGMSRAWDIEELVSLGRKLKACPYYTARELIEDADIVFCPY

Chicken                       HNTYQAWDIEDLVSLGKKLRACPYFAARELMVGADIVFCPY

Xenopus laevis                HGIDKAWDIEELVGLGKRLRACAYFAARELMQGADIVFCPY

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 – 1249 Fanconi anemia group J protein
Domain 11 – 442 Helicase ATP-binding
Binding site 350 – 350



Literature citations
The BRCA1-interacting helicase BRIP1 is deficient in Fanconi anemia.
Levran O.; Attwooll C.; Henry R.T.; Milton K.L.; Neveling K.; Rio P.; Batish S.D.; Kalb R.; Velleuer E.; Barral S.; Ott J.; Petrini J.; Schindler D.; Hanenberg H.; Auerbach A.D.;
Nat. Genet. 37:931-933(2005)
Cited for: VARIANT FANCJ PRO-349; Fanconi anemia group J mutation abolishes its DNA repair function by uncoupling DNA translocation from helicase activity or disruption of protein-DNA complexes.
Wu Y.; Sommers J.A.; Suhasini A.N.; Leonard T.; Deakyne J.S.; Mazin A.V.; Shin-Ya K.; Kitao H.; Brosh R.M. Jr.;
Blood 116:3780-3791(2010)
Cited for: VARIANT FANCJ PRO-349; COFACTOR; CHARACTERIZATION OF VARIANT FANCJ PRO-349; FUNCTION; CATALYTIC ACTIVITY;
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.