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Analysis of p.Met1101Arg variant, CFTR gene, CF Transmembrane conductance Regulator protein (1480 residues)


Data provided and calculated by CYSMA must be considered as predictions.
They are meant for educational purposes only and are provided with NO WARRANTY with respect to their biological reliability.



  • Allele frequency:

    The variant has not been reported in gnomAD


  • Ortholog conservation: Help


    Number of sequences AAPI* AAPIR** Number of divergencies Number of mutant R1101 Number of gaps Conservation of M1101 Conservation - gap
    50 80.72% 85.27% 5
    show divergencies
    0
    details
    0
    details
    90.00% (45 / 50) 90.00% (45 / 50)


    The wild-type residue M1101 is highly conserved among the CFTR orthologs: 90% (45 / 50 CFTR orthologs)
    The variant M1101R has never been found among the CFTR orthologs

    *AAPI: Alignment Average Percentage Identity
    **AAPIR: Alignment Average Percentage Identity of the Region (20 residues surrounding position 1101). AAPIR appears in green if it is more than 10% compared to AAPI, in red if less than 10%.
    Click here for more details on the alignment.


    CYSMA's visualizing modules for Ortholog conservation:





    ⬇ Download the region alignment (50 residues, Fasta format)
    ⬇ Download the CFTR phylogenic tree



    Display methods


  • Domain conservation: Help

    The domain MSD2 of CF Transmembrane conductance Regulator has been shown to interact with:


    The residue p.Met1101 belongs to the domain MSD2.

    844
    1203


    MSD2: is the membrane-spanning domain 2, composed of six transmembrane helices (TM7-TM12).
    Four of the six TMs protrude into the cytosol to form the intracellular loops. ICL3 (between TM8 and TM9) and ICL4 (between TM10 and TM11). ICL3 contacts the NBD2 at the level of the ATP-binding site, while ICL4 binds in a groove located at the surface of NBD1.








    MSD2 of CF Transmembrane conductance Regulator domain alignment including p.Met1101 residue.



    Number of sequences AAPID***
    (from aa 844 to aa 1203)
    AAPIR! Number of divergencies Number of mutant Number of gaps Conservation of M1101 Conservation - gap
    127 34.22% 36.29% 81
    show divergencies
    0 0 36.22% (46 / 127) 36.22% (46 / 127)



    ***AAPID: Alignment Average Percentage Identity of the Domain (positions are indicated).
    !AAPIR: Alignment Average Percentage Identity of the Region (20 residues surrounding position 1101). AAPIR appears in green if it is more than 10% compared to AAPID, in red if less than 10%.

    The wild-type residue M1101 belongs to the MSD2 domain and is conserved at 36.22% among the MSD2 homologs (46 / 127 MSD2 homologs)
    The variant M1101R has never been found among the MSD2 homologs

    Divergencies show the amino acids which have been selected in the evolution. Residues present in more than 10% of the sequences are highlighted in blue.
    Please note that CYSMA does not consider splicing alterations.
    Refer to the Help page for more details.



    CYSMA's visualizing modules for MSD2 domain conservation:





    Display methods


  • Refer to the Help page for more details.


  • Secondary structure analysis: Help


    Residue p.Met1101 is predicted to belong to an α helice. Probability is 0.986.

    Direct environment is as follow:

    RWFQM1101RIEM
    HHHHHHHHH


    Observed frequencies in α helices:
    M: 1.14
    R: 1.11

    The two residues are found equivalent in this type of structure.

    Display methods











  • 3D analysis: Help