May act as an oxidative stress mediator by inhibiting thioredoxin activity or by limiting its bioavailability. Interacts with COPS5 and restores COPS5-induced suppression of CDKN1B stability, blocking the COPS5-mediated translocation of CDKN1B from the nucleus to the cytoplasm. Functions as a transcriptional repressor, possibly by acting as a bridge molecule between transcription factors and corepressor complexes, and over-expression will induce G0/G1 cell cycle arrest. Required for the maturation of natural killer cells. Acts as a suppressor of tumor cell growth.
Specificity
Natural and recombinant Pig Thioredoxin-interacting protein
Interacts with TXN/thioredoxin through its redox-active site. Interacts with transcriptional repressors ZBTB16, ZBTB32 and HDAC1 (By similarity). Interacts (via C-terminus) with ITCH (via WW domains).
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2.
"Polymorphism and association with production traits of porcine TXNIP gene." Xu D.Q., Ling X.F., Xiong Y.Z. Submitted (2005-11) to the EMBL/GenBank/DDBJ databases
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3.
"Molecular cloning and characterization of porcine TXNIP." Xu D.Q., Xiong Y.Z. Submitted (2006-01) to the EMBL/GenBank/DDBJ databases
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