ID UBCX_DICDI Reviewed; 149 AA. AC Q86IZ3; Q555X0; DT 05-MAY-2009, integrated into UniProtKB/Swiss-Prot. DT 01-JUN-2003, sequence version 1. DT 27-MAR-2024, entry version 119. DE RecName: Full=Ubiquitin-conjugating enzyme E2 pex4; DE EC=2.3.2.23; DE AltName: Full=E2 ubiquitin-conjugating enzyme pex4; DE AltName: Full=Peroxin-4; DE AltName: Full=Peroxisome biogenesis factor 4; DE AltName: Full=Ubiquitin carrier protein pex4; GN Name=pex4; ORFNames=DDB_G0274313; OS Dictyostelium discoideum (Social amoeba). OC Eukaryota; Amoebozoa; Evosea; Eumycetozoa; Dictyostelia; Dictyosteliales; OC Dictyosteliaceae; Dictyostelium. OX NCBI_TaxID=44689; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=AX4; RX PubMed=12097910; DOI=10.1038/nature00847; RA Gloeckner G., Eichinger L., Szafranski K., Pachebat J.A., Bankier A.T., RA Dear P.H., Lehmann R., Baumgart C., Parra G., Abril J.F., Guigo R., RA Kumpf K., Tunggal B., Cox E.C., Quail M.A., Platzer M., Rosenthal A., RA Noegel A.A.; RT "Sequence and analysis of chromosome 2 of Dictyostelium discoideum."; RL Nature 418:79-85(2002). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=AX4; RX PubMed=15875012; DOI=10.1038/nature03481; RA Eichinger L., Pachebat J.A., Gloeckner G., Rajandream M.A., Sucgang R., RA Berriman M., Song J., Olsen R., Szafranski K., Xu Q., Tunggal B., RA Kummerfeld S., Madera M., Konfortov B.A., Rivero F., Bankier A.T., RA Lehmann R., Hamlin N., Davies R., Gaudet P., Fey P., Pilcher K., Chen G., RA Saunders D., Sodergren E.J., Davis P., Kerhornou A., Nie X., Hall N., RA Anjard C., Hemphill L., Bason N., Farbrother P., Desany B., Just E., RA Morio T., Rost R., Churcher C.M., Cooper J., Haydock S., van Driessche N., RA Cronin A., Goodhead I., Muzny D.M., Mourier T., Pain A., Lu M., Harper D., RA Lindsay R., Hauser H., James K.D., Quiles M., Madan Babu M., Saito T., RA Buchrieser C., Wardroper A., Felder M., Thangavelu M., Johnson D., RA Knights A., Loulseged H., Mungall K.L., Oliver K., Price C., Quail M.A., RA Urushihara H., Hernandez J., Rabbinowitsch E., Steffen D., Sanders M., RA Ma J., Kohara Y., Sharp S., Simmonds M.N., Spiegler S., Tivey A., RA Sugano S., White B., Walker D., Woodward J.R., Winckler T., Tanaka Y., RA Shaulsky G., Schleicher M., Weinstock G.M., Rosenthal A., Cox E.C., RA Chisholm R.L., Gibbs R.A., Loomis W.F., Platzer M., Kay R.R., RA Williams J.G., Dear P.H., Noegel A.A., Barrell B.G., Kuspa A.; RT "The genome of the social amoeba Dictyostelium discoideum."; RL Nature 435:43-57(2005). CC -!- FUNCTION: Catalyzes the covalent attachment of ubiquitin to other CC proteins. Essential for peroxisome biogenesis. {ECO:0000255|PROSITE- CC ProRule:PRU00388}. 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:0000255|PROSITE-ProRule:PRU00388, ECO:0000255|PROSITE- CC ProRule:PRU10133}; CC -!- PATHWAY: Protein modification; protein ubiquitination. CC {ECO:0000255|PROSITE-ProRule:PRU00388}. CC -!- SIMILARITY: Belongs to the ubiquitin-conjugating enzyme family. CC {ECO:0000255|PROSITE-ProRule:PRU00388}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AAFI02000012; EAL70049.1; -; Genomic_DNA. DR RefSeq; XP_643940.1; XM_638848.1. DR AlphaFoldDB; Q86IZ3; -. DR SMR; Q86IZ3; -. DR STRING; 44689.Q86IZ3; -. DR PaxDb; 44689-DDB0237666; -. DR EnsemblProtists; EAL70049; EAL70049; DDB_G0274313. DR GeneID; 8619368; -. DR KEGG; ddi:DDB_G0274313; -. DR dictyBase; DDB_G0274313; pex4. DR eggNOG; KOG0417; Eukaryota. DR HOGENOM; CLU_030988_13_0_1; -. DR InParanoid; Q86IZ3; -. DR OMA; WRAVMKG; -. DR PhylomeDB; Q86IZ3; -. DR UniPathway; UPA00143; -. DR PRO; PR:Q86IZ3; -. DR Proteomes; UP000002195; Chromosome 2. DR GO; GO:0005634; C:nucleus; IBA:GO_Central. DR GO; GO:0005777; C:peroxisome; ISS:dictyBase. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW. DR GO; GO:0061631; F:ubiquitin conjugating enzyme activity; IBA:GO_Central. DR GO; GO:0007031; P:peroxisome organization; ISS:dictyBase. DR GO; GO:0016558; P:protein import into peroxisome matrix; ISS:dictyBase. DR GO; GO:0000209; P:protein polyubiquitination; IBA:GO_Central. 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:SF352; UBIQUITIN-CONJUGATING ENZYME; 1. DR PANTHER; PTHR24067; UBIQUITIN-CONJUGATING ENZYME E2; 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; Nucleotide-binding; Peroxisome biogenesis; Reference proteome; KW Transferase; Ubl conjugation pathway. FT CHAIN 1..149 FT /note="Ubiquitin-conjugating enzyme E2 pex4" FT /id="PRO_0000371405" FT DOMAIN 1..149 FT /note="UBC core" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00388" FT ACT_SITE 86 FT /note="Glycyl thioester intermediate" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00388, FT ECO:0000255|PROSITE-ProRule:PRU10133" SQ SEQUENCE 149 AA; 17011 MW; 83AF71AB962BD9B8 CRC64; MAARLMKEYK VLQNEEFEDI LLYPRDESDL YRWVAIIKGP PDTPYENGKF ELDISVPTNY PLQPPTIKFV TKIFHPNIHF KTGEICLDLL KTSWSAIYTL QSVCRSIIAL LSLPEADSPL NCDAGNLIRN GDVKGHDSLA RMYTRLYGC //