General Information |
MoonProt ID | 401 |
First appeared in release | 3.0 |
Name(s) | 2-cys peroxiredoxin, Prx, Prx1, gene: Smp_059480 |
UniProt ID | |
GO terms | GO:0055114 oxidation-reduction process
GO:0016209 antioxidant activity
GO:0016491 oxidoreductase activity
GO:0051920 peroxiredoxin activity
GO:0055114 oxidation-reduction process
GO:0004601 peroxidase activity
GO:0016491 oxidoreductase activity
GO:0051920 peroxiredoxin activity
GO:0051920 peroxiredoxin activity
GO:0098869 cellular oxidant detoxification
GO:0098869 cellular oxidant detoxification
GO:0098869 cellular oxidant detoxification
GO:0098869 cellular oxidant detoxification
GO:0098869 cellular oxidant detoxification
|
Organisms for which functions have been demonstrated | human parasite Schistosoma mansoni(Blood fluke) |
Sequence length | 185 amino acids |
FASTA sequence | >tr|G4VKD9|G4VKD9_SCHMA Peroxiredoxin, Prx1 OS=Schistosoma mansoni OX=6183 GN=Smp_059480 PE=4 SV=1
MVLLPNRPAPEFKGQAVINGEFKEICLKDYRGKYVVLFFYPSDFTFVCPTEIIAFSDQVEEFNSRNCQVIACSTDSQYSHLAWDNLDRKSGGLGHMKIPLLADRKQEISKAYGVFDEEDGNAFRGLFIIDPNGILRQITINDKPVGRSVDETLRLLDAFQFVEKHGEVCPVNWKRGQHGIKVNQK |
Structure Information |
PDB ID | NA |
Quaternary structure | Decameric ring assembly for SmPrxI-LMW and a double decamer for SmPrxl-HMWr |
SCOP | NA |
CATH | NA |
TM Helix Prediction | no TM helices |
DisProt Annotation | Not in DisProt |
Predicted Disorder Regions | NA |
Connections to Disease |
OMIM ID | |
Function 1 |
Function description | peroxidase (Sm-Prxl-LMW), thioredoxin-dependent peroxidase in the absence of oxidative stress, uses redox-active cysteine to reduce H2O2 |
References for function | 22405002 |
E.C. number | 1.11.1.15 |
Location of functional site(s) | Cysteine sulfenic acid (-SOH) intermediate; active sites are in the fully folded (FF) conformation in the first turn of the alpha 2 helix and beta 3 - alpha 2 loop |
Cellular location of function | mitochondria |
Comments | LMW decamer |
Function 2 |
Function description | chaperone, ATP-independent holdases at high hydrogen peroxide concentrations, prevent protein aggregation by quarantining client proteins |
References for function | 22405002 |
E.C. number | NA |
Location of functional site(s) | NA |
Cellular location of function | Cytoplasm |
Comments | has a weak presence at pH 4.2 under reducing conditions, active when overoxidized SmPrxI-SO2H/SO3H is at pH 7, HMW 20-mer formed by two stacked decamers |