O14746 (TERT_HUMAN) Homo sapiens (Human)

Telomerase reverse transcriptase UniProtKBInterProSTRINGInteractive Modelling

1132 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3; Isoform 4; )

Sequence Features

 712Magnesium; catalytic.
 868Magnesium; catalytic.
 869Magnesium; catalytic.
 169Required for optimal binding of telomeric ssDNA and incorporation of nucleotides at the second position of the template.
 867Required for nucleotide incorporation and primer extension rate.
 55L -> Q (in idiopathic pulmonary fibrosis susceptibility; impaired telomerase activity; dbSNP:rs387907247). VAR_062535 dbSNP
 65P -> A (associated with acute myeloid leukemia; dbSNP:rs544215765). VAR_062780 dbSNP
 170V -> M (in PFBMFT1; the mutant protein is demonstrated to cause decreased telomerase activity; dbSNP:rs387907248). VAR_068792 dbSNP
 202A -> T (in PFBMFT1 and AA; severe and moderate; associated with disease susceptibility; shorter telomeres; dbSNP:rs121918661). VAR_036863 dbSNP
 279A -> T (in dbSNP:rs61748181). VAR_036864 dbSNP
 299V -> M (associated with acute myeloid leukemia; dbSNP:rs756624928). VAR_062781 dbSNP
 412H -> Y (in PFBMFT1, AA and DKCB4; severe and moderate; associated with susceptibility to acute myelogenous leukemia; the mutant protein has 36% residual activity; dbSNP:rs34094720). VAR_025149 dbSNP
 441Missing (in AA; associated with susceptibility to acute myeloid leukemia). VAR_036865
 522R -> K (associated with acute myeloid leukemia). VAR_062782
 570K -> N (in AA; abolishes telomerase catalytic activity but no effect on binding to TERC). VAR_062536
 631R -> Q (in AA; dbSNP:rs199422294). VAR_062783 dbSNP
 682G -> D (in AA; non-severe; abolishes telomerase catalytic activity but little effect on binding to TERC; dbSNP:rs199422295). VAR_062537 dbSNP
 694V -> M (in PFBMFT1 and AA; moderate; dbSNP:rs121918662). VAR_036866 dbSNP
 704P -> S (in DKCB4; the mutant protein has 13% residual activity; dbSNP:rs199422297). VAR_068793 dbSNP
 716A -> T (in PFBMFT1; the mutant protein is demonstrated to cause severely compromised telomerase activity; dbSNP:rs387907249). VAR_068794 dbSNP
 721P -> R (in DKCB4; no effect on telomerase catalytic activity and little effect on binding to TERC; dbSNP:rs199422299). VAR_062538 dbSNP
 726T -> M (in AA; very severe; no effect on telomerase catalytic activity but shortened telomeres; dbSNP:rs149566858). VAR_062539 dbSNP
 772Y -> C (in PFBMFT1; moderate; dbSNP:rs121918663). VAR_036867 dbSNP
 785P -> L (in AA; dbSNP:rs483352771). VAR_062784 dbSNP
 791V -> I (in PFBMFT1; associated with Met- 867 in cis on the same allele; the double mutant shows severe defects in telomere repeat addition processivity; dbSNP:rs141425941). VAR_068795 dbSNP
 811R -> C (in DKCB4; 50% reduction in telomerase activity; dbSNP:rs199422301). VAR_062540 dbSNP
 841L -> F (in PFBMFT1). VAR_068796
 865R -> H (in PFBMFT1; dbSNP:rs121918666). VAR_036868 dbSNP
 867V -> M (in PFBMFT1; associated with Ile- 791 in cis on the same allele; the double mutant shows severe defects in telomere repeat addition processivity; this mutation causes most if not all of the functional defects; dbSNP:rs201159197). VAR_068797 dbSNP
 901R -> W (in DKCB4; severe phenotype overlapping with Hoyeraal-Hreidarsson syndrome; very short telomeres and greatly reduced telomerase activity; dbSNP:rs199422304). VAR_062541 dbSNP
 902K -> N (in DKCA2; abolishes telomerase catalytic activity but no effect on binding to TERC; dbSNP:rs121918665). VAR_036869 dbSNP
 902K -> R (in PFBMFT1; dbSNP:rs387907250). VAR_068798 dbSNP
 923P -> L (in PFBMFT1; dbSNP:rs387907251). VAR_068799 dbSNP
 948S -> R (in dbSNP:rs34062885). VAR_053726 dbSNP
 979R -> W (in DKCA2; shortened telomeres but no effect on telomerase catalytic activity nor on binding to TERC; dbSNP:rs199422305). VAR_062542 dbSNP
 1025V -> F (in PFBMFT1). VAR_068800
 1062A -> T (increased incidence in sporadic acute myeloid leukemia; dbSNP:rs35719940). VAR_025150 dbSNP
 1090V -> M (in PFBMFT1; severe; dbSNP:rs121918664). VAR_036870 dbSNP
 1110T -> M (in idiopathic pulmonary fibrosis susceptibility; impaired telomerase activity; dbSNP:rs199422306). VAR_062543 dbSNP
 1127F -> L (in DKCA2; severe; shortened telomeres but no effect on telomerase catalytic activity nor on binding to TERC; dbSNP:rs1176273130). VAR_062544 dbSNP
 460-591Telomerase ribonucleoprotein complex - R NA-binding domain
IPR021891PF12009
 817-905Reverse transcriptase domain
IPR000477PF00078

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
The crystal structure of human Importin alpha 5 with TERT NLS peptide Heteromer
P52294;
4b18222-240
Human Leukocyte Antigen presenting ILGKFLHRL Heteromer
P01892; P61769;
GOL; 15×EDO;SO4;5meo540-548
Human Leukocyte Antigen A02 presenting ILAKFLHEL Heteromer
P01892; P61769;
GOL;CA; 10×EDO;MES;SO4;5mer540-548
Human Leukocyte Antigen A02 presenting ILAKFLHTL Heteromer
P01892; P61769;
SO4;EDO;5meq540-548
Human Leukocyte Antigen A02 presenting ILGKFLHWL Heteromer
P01892; P61769;
EDO;SO4;5mep540-548
TCR-peptide specificity overrides affinity enhancing TCR-MHC interactions Heteromer
P01892; P61769; K7N5N2; H2RG00; P01850;
GOL;EDO;4mnq540-548
Crystal Structure of HLA-A*2402 Complexed with a telomerase peptide Heteromer
O14746; P05534; P61769; P05534; P61769;
GOL;SO4;2bck461-469
Human Leukocyte Antigen A02 presenting ILAKFLHWL, in complex with cognate T-Cell Receptor Heteromer
P01892; P61769;
GOL;EDO;SO4;5men540-548
STRUCTURE OF THE HUMAN TELOMERASE THUMB DOMAINmonomer GSH;5ugw965-1122

Homology models

Oligo-stateLigandsQMEANTemplateRangeSeq id (%)ReportDownloadAssess
monomer 4lmo.1.A322-594
39.43

Homology models built on isoform sequence

Isoform #Oligo-stateLigandsQMEANTemplateRangeSeq id (%)ReportDownloadAssess
3monomerGSH;5ugw.1.A902-1059
100.00
2monomer4o26.1.A330-605
40.00
3monomer4o26.1.A330-605
40.00
4monomer4o26.1.A330-605
40.00