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Literature summary extracted from

  • Lim, S.D.; Cho, H.Y.; Park, Y.C.; Ham, D.J.; Lee, J.K.; Jang, C.S.
    The rice RING finger E3 ligase, OsHCI1, drives nuclear export of multiple substrate proteins and its heterogeneous overexpression enhances acquired thermotolerance (2013), J. Exp. Bot., 64, 2899-2914.
    View publication on PubMedView publication on EuropePMC

Protein Variants

EC Number Protein Variants Comment Organism
2.3.2.27 C172A mutation in the RING domain, mutant does not show autoubiquitylation Oryza sativa

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.3.2.27 Golgi apparatus mainly associated with the Golgi apparatus and moves rapidly and extensively along the cytoskeleton Oryza sativa 5794
-
2.3.2.27 nucleus OsHCI1 may accumulate in the nucleus under high temperatures Oryza sativa 5634
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.3.2.27 28800
-
 x * 28800, calculated Oryza sativa

Organism

EC Number Organism UniProt Comment Textmining
2.3.2.27 Oryza sativa Q337S3
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.3.2.27 S-(ubiquitin)n-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [POX1]-L-lysine PIX1 i.e. peroxidase Oryza sativa [E2 ubiquitin-conjugating enzyme]-L-cysteine + N6-(ubiquitin)n-[POX1]-L-lysine contrary to substrates PGLU1, bHLH065 and GRP1, POX1 is polyubiquitylated ?
2.3.2.27 S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [bHLH065]-L-lysine bHLH065 i.e. ethylene-responsive protein Oryza sativa [E2 ubiquitin-conjugating enzyme]-L-cysteine + N6-ubiquitinyl-[bHLH065]-L-lysine
-
 ?
2.3.2.27 S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [GRP1]-L-lysine GRP1 i.e. glycine-rich cell-wall structural protein Oryza sativa [E2 ubiquitin-conjugating enzyme]-L-cysteine + N6-ubiquitinyl-[GRP1]-L-lysine
-
 ?
2.3.2.27 S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [HCI1]-L-lysine
-
 Oryza sativa [E2 ubiquitin-conjugating enzyme]-L-cysteine + N6-ubiquitinyl-[HCI1]-L-lysine autoubiquitylation reaction ?
2.3.2.27 S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [PGLU1]-L-lysine PGLU12 i.e periplasmic beta-glucosidase. Isoform HCI1 accepts yeast E1 activating enzyme, and Arabidopsis thaliana E2 conjugating enzymes UBC10 and UBC11 Oryza sativa [E2 ubiquitin-conjugating enzyme]-L-cysteine + N6-ubiquitinyl-[PGLU1]-L-lysine
-
 ?

Subunits

EC Number Subunits Comment Organism
2.3.2.27 ? x * 28800, calculated Oryza sativa

Synonyms

EC Number Synonyms Comment Organism
2.3.2.27 HCI1
-
 Oryza sativa
2.3.2.27 Os10g30850 locus name Oryza sativa

Expression

EC Number Organism Comment Expression
2.3.2.27 Oryza sativa expression is highly induced by heat and cold up

General Information

EC Number General Information Comment Organism
2.3.2.27 physiological function heterogeneous overexpression of OsHCI1 in Arabidopsis highly increases survival rate through acquired thermotolerance Oryza sativa