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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot Q13315: Variant p.Arg2909Gly

Serine-protein kinase ATM
Gene: ATM
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Variant information Variant position: help 2909 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 Glycine (G) at position 2909 (R2909G, p.Arg2909Gly). 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 glycine (G) 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 AT. Any additional useful information about the variant.


Sequence information Variant position: help 2909 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 3056 The length of the canonical sequence.
Location on the sequence: help DLGVAFEQGKILPTPETVPF R LTRDIVDGMGITGVEGVFRR 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                         DLGVAFE-QGKILPTPETVPFRLTRDIVDGMGITGVE-GVFRR

Mouse                         DLGVAFE-QGKILPTPETVPFRLSRDIVDGMGITGVE-GVF

Pig                           DLGVAFE-QGKILPTPETVPFRLTRDIVDGMGITGVE-GVF

Caenorhabditis elegans        DLGMILEYSKRTLPVPEQVPFRITRDVLDPILIEGIENGQL

Drosophila                    DFGIAFE-QGKIQTTPETVPFRLTRDFVAPMGICGTK-GVF

Baker's yeast                 DLGIAFD-QGKLLPIPELVPFRLTRDIVDGFGVTGVD-GLF

Fission yeast                 DLGIAFE-QGKKLPVPECVPFRLTRDVVDGMGITGVE-GVF

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 – 3056 Serine-protein kinase ATM
Domain 2686 – 2998 PI3K/PI4K catalytic
Region 2887 – 2911 Activation loop



Literature citations
Ataxia-telangiectasia in the Japanese population: identification of R1917X, W2491R, R2909G, IVS33+2T-->A, and 7883del5, the latter two being relatively common mutations.
Fukao T.; Song X.-Q.; Yoshida T.; Tashita H.; Kaneko H.; Teramoto T.; Inoue R.; Katamura K.; Mayumi M.; Hiratani M.; Taniguchi N.; Arai J.; Wakiguchi H.; Bar-Shira A.; Shiloh Y.; Kondo N.;
Hum. Mutat. 12:338-343(1998)
Cited for: VARIANTS AT ARG-2491 AND GLY-2909;
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.