Gene Information
Gene NameKL
OrganismHomo sapiens (Human)
Gene Length1012
Protein NamesKlotho (EC 3.2.1.31) [Cleaved into: Klotho peptide]
Target NameNA
Target TypeNA
Gene Age645 ( ENSG00000133116 )
Evolutionary StageEuk+Bac
AlphaFoldDBQ9UEF7
Gene CardKL
Uniprot IDQ9UEF7
PfamPF00232
In ASDno
Allosteric Predictionyes (0.582514932)
Ortholog in AnimalsAlpaca_ KL ( ortholog_one2one )
Dog_ KL ( ortholog_one2one )
GuineaPig_ KL ( ortholog_one2one )
Macaque_ KL ( ortholog_one2one )
Mouse_ Kl ( ortholog_one2one )
Rat_ Kl ( ortholog_one2one )
Rabbit_ KL ( ortholog_one2one )
OhnologsLCTL, KLB
ParalogsLCT, GBA3, LCTL, KLB
Tissuekidney
Tissue SpecificityPresent in cortical renal tubules (at protein level). Soluble peptide is present in serum and cerebrospinal fluid. Expressed in kidney, placenta, small intestine and prostate. Down-regulated in renal cell carcinomas, hepatocellular carcinomas, and in chronic renal failure kidney. {ECO:0000269|PubMed:10631108, ECO:0000269|PubMed:11043382, ECO:0000269|PubMed:11162628, ECO:0000269|PubMed:15135068, ECO:0000269|PubMed:9464267}.
Pharmacological Animal Models0.127596(Chimpanzee);0.091155(Mouse);0.003490(Rat);0.050000(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 5W21  (X-ray  3.00A 
DBSNP rs1052018  rs1052019  rs121908423  rs9536314  rs9527025  rs3752472  rs139939367 
Subcellular location [CC][Isoform 1]: Cell membrane {ECO:0000269|PubMed:10631108, ECO:0000269|PubMed:15135068};
Single-pass type I membrane protein {ECO:0000305}. Apical cell membrane {ECO:0000250|UniProtKB:O35082};
Single-pass type I membrane protein {ECO:0000250|UniProtKB:O35082}. Note=Isoform 1 shedding leads to a soluble peptide. {ECO:0000250|UniProtKB:O35082}.;
[Isoform 2]: Secreted {ECO:0000269|PubMed:10631108, ECO:0000269|PubMed:15135068}.;
[Klotho peptide]: Secreted {ECO:0000250|UniProtKB:O35082}.
Mouse PG classificationHPG
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