Gene Information
Gene NameHTRA1
OrganismHomo sapiens (Human)
Gene Length480
Protein NamesSerine protease HTRA1 (EC 3.4.21.-) (High-temperature requirement A serine peptidase 1) (L56) (Serine protease 11)
Target NameNA
Target TypeNA
Gene Age645 ( ENSG00000166033 )
Evolutionary StageCellular_organisms
AlphaFoldDBQ92743
Gene CardHTRA1
Uniprot IDQ92743
PfamPF00219; PF07648; PF17820; PF02163
In ASDyes
Allosteric Predictionyes (0.339573239)
Ortholog in AnimalsAlpaca_ HTRA1 ( ortholog_one2one )
Dog_ HTRA1 ( ortholog_one2one )
GuineaPig_ HTRA1 ( ortholog_one2one )
Macaque_ HTRA1 ( ortholog_one2one )
Mouse_ Htra1 ( ortholog_one2one )
Pig_ HTRA1 ( ortholog_one2one )
Rat_ Htra1 ( ortholog_one2one )
Rabbit_ HTRA1 ( ortholog_one2one )
OhnologsHTRA2, HTRA4, HTRA3
ParalogsHTRA2, HTRA4, HTRA3
TissueNA
Tissue SpecificityWidely expressed, with strongest expression in placenta (at protein level). Secreted by synovial fibroblasts. Up-regulated in osteoarthritis and rheumatoid arthritis synovial fluids and cartilage as compared with non-arthritic (at protein level). {ECO:0000269|PubMed:15208355, ECO:0000269|PubMed:16377621, ECO:0000269|PubMed:9852107}.
Pharmacological Animal Models0.000730(Chimpanzee);0.001000(Mouse);NULL(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2JOA  (NMR  2YTW  (NMR  3NUM  (X-ray  2.75A  3NWU  (X-ray  3.20A  3NZI  (X-ray  2.75A  3TJN  (X-ray  3.00A  3TJO  (X-ray  2.30A  3TJQ  (X-ray  2.00A  6Z0E  (X-ray  2.60A  6Z0X  (X-ray  3.10A  6Z0Y  (X-ray  2.20A  7SJN  (EM  3.40A  7SJO  (EM  3.30A 
DBSNP rs369149111  rs864622781  rs781563777  rs113993968  rs864622782  rs113993969  rs772225907 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:21297635}. Secreted {ECO:0000269|PubMed:15208355, ECO:0000269|PubMed:9852107}. Cytoplasm, cytosol {ECO:0000269|PubMed:15208355, ECO:0000269|PubMed:20671064}. Note=Predominantly secreted (PubMed:15208355). Also found associated with the plasma membrane (PubMed:21297635). {ECO:0000269|PubMed:15208355, ECO:0000269|PubMed:21297635}.
Mouse PG classificationNA
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