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RAD18 RAD18 UBR1 UBR1 PCNA PCNA UBC UBC UBE2B UBE2B UBR2 UBR2 UBE2V1 UBE2V1 UBA1 UBA1 UBE2V2 UBE2V2 RNF20 RNF20 RNF40 RNF40
"UBE2B" - ubiquitin-conjugating enzyme E2B in Homo sapiens
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UBE2Bubiquitin-conjugating enzyme E2B; Accepts ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins. In association with the E3 enzyme BRE1 (RNF20 and/or RNF40), it plays a role in transcription regulation by catalyzing the monoubiquitination of histone H2B at ’Lys-120’ to form H2BK120ub1. H2BK120ub1 gives a specific tag for epigenetic transcriptional activation, elongation by RNA polymerase II, telomeric silencing, and is also a prerequisite for H3K4me and H3K79me formation. In vitro catalyzes ’Lys-11’-, as well as ’Lys-48’- and ’Lys-63’-linked polyubiquiti [...] (152 aa)    
Predicted Functional Partners:
RAD18
RAD18 homolog (S. cerevisiae); E3 ubiquitin-protein ligase involved in postreplication repair of UV-damaged DNA. Postreplication repair functions in gap- filling of a daughter strand on replication of damaged DNA. Associates to the E2 ubiquitin conjugating enzyme UBE2B to form the UBE2B-RAD18 ubiquitin ligase complex involved in mono- ubiquitination of DNA-associated PCNA on ’Lys-164’. Has ssDNA binding activity (495 aa)
        score_image   score_image   0.999
PCNA
proliferating cell nuclear antigen; Auxiliary protein of DNA polymerase delta and is involved in the control of eukaryotic DNA replication by increasing the polymerase’s processibility during elongation of the leading strand. Induces a robust stimulatory effect on the 3’- 5’ exonuclease and 3’-phosphodiesterase, but not apurinic- apyrimidinic (AP) endonuclease, APEX2 activities. Has to be loaded onto DNA in order to be able to stimulate APEX2. Plays a key role in DNA damage response (DDR) by being conveniently positioned at the replication fork to coordinate DNA replication with DNA re [...] (261 aa)
        score_image   score_image   0.998
UBC
ubiquitin C (685 aa)
        score_image   score_image   0.998
RNF20
ring finger protein 20, E3 ubiquitin protein ligase (975 aa)
        score_image score_image score_image   0.997
UBE2V1
ubiquitin-conjugating enzyme E2 variant 1 (170 aa)
      score_image score_image score_image score_image   0.994
UBE2V2
ubiquitin-conjugating enzyme E2 variant 2; Has no ubiquitin ligase activity on its own. The UBE2V2/UBE2N heterodimer catalyzes the synthesis of non-canonical poly-ubiquitin chains that are linked through ’Lys-63’. This type of poly-ubiquitination does not lead to protein degradation by the proteasome. Mediates transcriptional activation of target genes. Plays a role in the control of progress through the cell cycle and differentiation. Plays a role in the error-free DNA repair pathway and contributes to the survival of cells after DNA damage (145 aa)
      score_image score_image score_image score_image   0.994
RNF40
ring finger protein 40, E3 ubiquitin protein ligase; Component of the RNF20/40 E3 ubiquitin-protein ligase complex that mediates monoubiquitination of ’Lys-120’ of histone H2B (H2BK120ub1). H2BK120ub1 gives a specific tag for epigenetic transcriptional activation and is also prerequisite for histone H3 ’Lys-4’ and ’Lys-79’ methylation (H3K4me and H3K79me, respectively). It thereby plays a central role in histone code and gene regulation. The RNF20/40 complex forms a H2B ubiquitin ligase complex in cooperation with the E2 enzyme UBE2A or UBE2B; reports about the cooperation with UBE2E1/ [...] (1001 aa)
        score_image score_image score_image   0.994
UBR2
ubiquitin protein ligase E3 component n-recognin 2; E3 ubiquitin-protein ligase which is a component of the N-end rule pathway. Recognizes and binds to proteins bearing specific N-terminal residues that are destabilizing according to the N-end rule, leading to their ubiquitination and subsequent degradation. Plays a critical role in chromatin inactivation and chromosome-wide transcriptional silencing during meiosis via ubiquitination of histone H2A. Binds leucine and is a negative regulator of the leucine-mTOR signaling pathway, thereby controlling cell growth (1755 aa)
        score_image   score_image   0.992
UBR1
ubiquitin protein ligase E3 component n-recognin 1; E3 ubiquitin-protein ligase which is a component of the N-end rule pathway. Recognizes and binds to proteins bearing specific N-terminal residues that are destabilizing according to the N-end rule, leading to their ubiquitination and subsequent degradation. May be involved in pancreatic homeostasis. Binds leucine and is a negative regulator of the leucine-mTOR signaling pathway, thereby controlling cell growth (1749 aa)
        score_image   score_image   0.980
UBA1
ubiquitin-like modifier activating enzyme 1; Activates ubiquitin by first adenylating its C-terminal glycine residue with ATP, and thereafter linking this residue to the side chain of a cysteine residue in E1, yielding an ubiquitin- E1 thioester and free AMP (1058 aa)
      score_image score_image   score_image   0.976
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo, Homo sapiens, human, man
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