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Literature summary for 2.3.2.27 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
Search for more literature for 2.3.2.27

Protein Variants

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

Localization

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

Molecular Weight [Da]

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

Organism

Organism UniProt Comment Textmining
Oryza sativa Q337S3
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
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 ?
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
-
 ?
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
-
 ?
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 ?
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

Subunits Comment Organism
? x * 28800, calculated Oryza sativa

Synonyms

Synonyms Comment Organism
HCI1
-
 Oryza sativa
Os10g30850 locus name Oryza sativa

Expression

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

General Information

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