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UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P17947: Variant p.Val241Gly

Transcription factor PU.1
Gene: SPI1
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Variant information Variant position: help 241 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 Valine (V) to Glycine (G) at position 241 (V241G, p.Val241Gly). 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 hydrophobic (V) to glycine (G) The physico-chemical property of the reference and variant residues and the change implicated.
BLOSUM score: help -3 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 AGM10; very low protein expression, if any, in peripheral blood mononuclear cells; when tested in transfected cells, decreased transcription activation; in vitro, fails to bind PU motif-containing DNA probes; does not affect interaction with IRF4 and IRF8, nor nuclear localization. Any additional useful information about the variant.
Other resources: help Links to websites of interest for the variant.


Sequence information Variant position: help 241 The position of the amino-acid change on the UniProtKB canonical protein sequence.
Protein sequence length: help 270 The length of the canonical sequence.
Location on the sequence: help KKMTYQKMARALRNYGKTGE V KKVKKKLTYQFSGEVLGRGG 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 1 – 270 Transcription factor PU.1
DNA binding 170 – 253 ETS
Binding site 230 – 230 contacts bases in the GGAA sequence in the major groove
Binding site 233 – 233 contacts bases in the GGAA sequence in the major groove
Binding site 243 – 243 contacts the phosphate backbone of the GGAA sequence in the minor groove upstream
Beta strand 239 – 243



Literature citations
Constrained chromatin accessibility in PU.1-mutated agammaglobulinemia patients.
Le Coz C.; Nguyen D.N.; Su C.; Nolan B.E.; Albrecht A.V.; Xhani S.; Sun D.; Demaree B.; Pillarisetti P.; Khanna C.; Wright F.; Chen P.A.; Yoon S.; Stiegler A.L.; Maurer K.; Garifallou J.P.; Rymaszewski A.; Kroft S.H.; Olson T.S.; Seif A.E.; Wertheim G.; Grant S.F.A.; Vo L.T.; Puck J.M.; Sullivan K.E.; Routes J.M.; Zakharova V.; Shcherbina A.; Mukhina A.; Rudy N.L.; Hurst A.C.E.; Atkinson T.P.; Boggon T.J.; Hakonarson H.; Abate A.R.; Hajjar J.; Nicholas S.K.; Lupski J.R.; Verbsky J.; Chinn I.K.; Gonzalez M.V.; Wells A.D.; Marson A.; Poon G.M.K.; Romberg N.;
J. Exp. Med. 218:0-0(2021)
Cited for: INVOLVEMENT IN AGM10; VARIANTS AGM10 110-GLN--HIS-270 DEL; 121-TYR--HIS-270 DEL; PRO-211 AND GLY-241; CHARACTERIZATION OF VARIANTS AGM10 110-GLN--HIS-270 DEL; 121-TYR--HIS-270 DEL; PRO-211 AND GLY-241; SUBCELLULAR LOCATION; TISSUE SPECIFICITY; INTERACTION WITH IRF4 AND IRF8;
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.