ID A0A2Y9IKG6_ENHLU Unreviewed; 152 AA.
AC A0A2Y9IKG6;
DT 12-SEP-2018, integrated into UniProtKB/TrEMBL.
DT 12-SEP-2018, sequence version 1.
DT 27-MAR-2024, entry version 22.
DE RecName: Full=Ubiquitin-conjugating enzyme E2 B {ECO:0000256|ARBA:ARBA00039889};
DE EC=2.3.2.23 {ECO:0000256|ARBA:ARBA00012486};
DE AltName: Full=E2 ubiquitin-conjugating enzyme B {ECO:0000256|ARBA:ARBA00041792};
DE AltName: Full=Ubiquitin carrier protein B {ECO:0000256|ARBA:ARBA00042388};
DE AltName: Full=Ubiquitin-protein ligase B {ECO:0000256|ARBA:ARBA00042311};
GN Name=LOC111140830 {ECO:0000313|RefSeq:XP_022348736.1};
OS Enhydra lutris kenyoni (northern sea otter).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Carnivora; Caniformia; Musteloidea; Mustelidae;
OC Lutrinae; Enhydra.
OX NCBI_TaxID=391180 {ECO:0000313|Proteomes:UP000248482, ECO:0000313|RefSeq:XP_022348736.1};
RN [1] {ECO:0000313|RefSeq:XP_022348736.1}
RP IDENTIFICATION.
RC TISSUE=Blood {ECO:0000313|RefSeq:XP_022348736.1};
RG RefSeq;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine +
CC [E2 ubiquitin-conjugating enzyme]-L-cysteine = [E1 ubiquitin-
CC activating enzyme]-L-cysteine + S-ubiquitinyl-[E2 ubiquitin-
CC conjugating enzyme]-L-cysteine.; EC=2.3.2.23;
CC Evidence={ECO:0000256|ARBA:ARBA00000485};
CC -!- PATHWAY: Protein modification; protein ubiquitination.
CC {ECO:0000256|ARBA:ARBA00004906}.
CC -!- SUBUNIT: Interacts with RAD18, UBR2 and WAC.
CC {ECO:0000256|ARBA:ARBA00038718}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|ARBA:ARBA00004236}.
CC -!- SIMILARITY: Belongs to the ubiquitin-conjugating enzyme family.
CC {ECO:0000256|RuleBase:RU362109}.
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DR RefSeq; XP_022348736.1; XM_022493028.1.
DR AlphaFoldDB; A0A2Y9IKG6; -.
DR SMR; A0A2Y9IKG6; -.
DR STRING; 391180.A0A2Y9IKG6; -.
DR KEGG; elk:111140830; -.
DR OrthoDB; 5478564at2759; -.
DR Proteomes; UP000248482; Unplaced.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-KW.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016740; F:transferase activity; IEA:UniProtKB-KW.
DR CDD; cd00195; UBCc; 1.
DR Gene3D; 3.10.110.10; Ubiquitin Conjugating Enzyme; 1.
DR InterPro; IPR000608; UBQ-conjugat_E2.
DR InterPro; IPR023313; UBQ-conjugating_AS.
DR InterPro; IPR016135; UBQ-conjugating_enzyme/RWD.
DR PANTHER; PTHR24067; UBIQUITIN-CONJUGATING ENZYME E2; 1.
DR PANTHER; PTHR24067:SF246; UBIQUITIN-CONJUGATING ENZYME E2 B; 1.
DR Pfam; PF00179; UQ_con; 1.
DR SMART; SM00212; UBCc; 1.
DR SUPFAM; SSF54495; UBC-like; 1.
DR PROSITE; PS00183; UBC_1; 1.
DR PROSITE; PS50127; UBC_2; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|RuleBase:RU362109};
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Membrane {ECO:0000256|ARBA:ARBA00023136};
KW Nucleotide-binding {ECO:0000256|RuleBase:RU362109};
KW Reference proteome {ECO:0000313|Proteomes:UP000248482};
KW Transferase {ECO:0000256|ARBA:ARBA00022679};
KW Ubl conjugation pathway {ECO:0000256|ARBA:ARBA00022786,
KW ECO:0000256|RuleBase:RU362109}.
FT DOMAIN 4..150
FT /note="UBC core"
FT /evidence="ECO:0000259|PROSITE:PS50127"
FT ACT_SITE 88
FT /note="Glycyl thioester intermediate"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU10133"
SQ SEQUENCE 152 AA; 17312 MW; CFDEEEE7E06840BE CRC64;
MSTPARRRLM RDFKRLQEDP PVGVSGAPSE NNIMQWNAVI FGPEGTPFED GTFKLVIEFS
EEYPNKPPTV RFLSKMFHPN VYADGSICLD ILQNRWSPTY DVSSILTSIQ SLLDEPNPNS
PANSQAAQLY QENKREYEKR VSAIVEQSWN DS
//
