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UniProtKB/Swiss-Prot Q15468: Variant p.Leu798Trp

SCL-interrupting locus protein
Gene: STIL
Variant information

Variant position:  798
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Type of variant:  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:  From Leucine (L) to Tryptophan (W) at position 798 (L798W, p.Leu798Trp).
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:  Change from medium size and hydrophobic (L) to large size and aromatic (W)
The physico-chemical property of the reference and variant residues and the change implicated.

BLOSUM score:  -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:  In MCPH7.
Any additional useful information about the variant.

Other resources:  
Links to websites of interest for the variant.



Sequence information

Variant position:  798
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Protein sequence length:  1287
The length of the canonical sequence.

Location on the sequence:   SSPGLHMRKGVSIAVSTGAS  L FWNAAGEDQEPDSQMKQDDT
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: 
The multiple alignment of the region surrounding the variant against various orthologous sequences.

Human                         SSPGLHMRKGVSIAVSTGASLFWNAAGEDQEPDSQMKQDDT

Mouse                         SSPGLHMRKSVSIAVSTGASLFWNAAGDDQEPDSQPKQDDT

Xenopus laevis                ------IKTSVSIAVSTGASLFWNPPCPEKE-ESMDKQDDS

Zebrafish                     -------RTSVSIAVGTGASLFWSTPQETSTHEA-------

Drosophila                    -----------------------------------------

Sequence annotation in neighborhood:  
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 – 1287 SCL-interrupting locus protein
Region 1 – 1018 Interaction with RBM14
Modified residue 779 – 779 Phosphoserine


Literature citations

Investigation of primary microcephaly in Bushehr province of Iran: novel STIL and ASPM mutations.
Papari E.; Bastami M.; Farhadi A.; Abedini S.S.; Hosseini M.; Bahman I.; Mohseni M.; Garshasbi M.; Moheb L.A.; Behjati F.; Kahrizi K.; Ropers H.H.; Najmabadi H.;
Clin. Genet. 83:488-490(2013)
Cited for: VARIANT MCPH7 TRP-798;

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.