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Overview

Uniprot IDA0A5G2QZE6
Protein NameThioredoxin reductase 1, cytoplasmic
Gene NameTXNRD1
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
125 TNNKGKEKIYSAEKF
131 EKIYSAEKFLIATGE
399 DNNKCYAKIVCNIKD
405 AKIVCNIKDNERVVG
43 NVGCIPKKLMHQAAL

Function

Reduces disulfide protein thioredoxin (Trx) to its dithiol-containing form. Homodimeric flavoprotein involved in the regulation of cellular redox reactions, growth and differentiation. A selenocysteine residue at the C-terminal active site is essential for catalysis. Also has reductase activity on hydrogen peroxide (H2O2)

Protein Sequence

10 LIVLEAARFN 20 KRVMVLDFVT 30 PTPLGTRWGL 40 GGTCVNVGCI 50 PKKLMHQAAL 60 LGQALRDSRN 70 YGWNVEETIK 80 HDWERMTEAV 90 QNHIGSLNWG 100 YRVALREKKV 110 TYENAYGQFV 120 GPHRIKATNN 130 KGKEKIYSAE 140 KFLIATGERP 150 RYLGIPGDKE 160 YCISSDDLFS 170 LPYCPGKTLV 180 VGASYVALEC 190 AGFLAGIGLD 200 VTVMVRSILL 210 RGFDQDMANK 220 IGEHMEEHGV 230 KFIRQFVPIK 240 VEQIEAGMPG 250 RLRVTAKATN 260 SDETIEGEYN 270 TVLLAIGRDA 280 CTRNIGLETV 290 GVEINEKTGK 300 IPVTDEEQTN 310 VPYVYAIGDI 320 LEGKPELTPV 330 AIQAGRLLAQ 340 RLYGGSTVKC 350 DYENVPTTVF 360 TPLEYGACGL 370 SEEKAVEKFG 380 EENIEIYHSY 390 FWPLEWTIPS 400 RDNNKCYAKI 410 VCNIKDNERV 420 VGFHILGPNA 430 GEVTQGFAAA 440 LKCGLTKDQL 450 DSTIGIHPVC 460 AEVAEDCSPG 470 RSSHSLLLCL FPG

Gene Ontology

Classification GO ID Description
Molecular Function GO:0050660 flavin adenine dinucleotide binding
Molecular Function GO:0050137 NADPH peroxidase activity
Molecular Function GO:0004791 thioredoxin-disulfide reductase (NADPH) activity
Biological Process GO:0045454 cell redox homeostasis
Biological Process GO:0006979 response to oxidative stress

Reference

[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.