RBRA_DICDI
ID RBRA_DICDI Reviewed; 520 AA.
AC Q6T486; Q54L21;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-JUL-2004, sequence version 1.
DT 03-AUG-2022, entry version 121.
DE RecName: Full=Probable E3 ubiquitin-protein ligase rbrA;
DE EC=2.3.2.31 {ECO:0000250|UniProtKB:O60260};
DE AltName: Full=Ariadne-like ubiquitin ligase;
GN Name=rbrA; ORFNames=DDB_G0286961;
OS Dictyostelium discoideum (Slime mold).
OC Eukaryota; Amoebozoa; Evosea; Eumycetozoa; Dictyostelia; Dictyosteliales;
OC Dictyosteliaceae; Dictyostelium.
OX NCBI_TaxID=44689;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], FUNCTION, AND DISRUPTION PHENOTYPE.
RX PubMed=17031003; DOI=10.1128/ec.00077-06;
RA Whitney N., Pearson L.J., Lunsford R., McGill L., Gomer R.H., Lindsey D.F.;
RT "A putative Ariadne-like ubiquitin ligase is required for Dictyostelium
RT discoideum development.";
RL Eukaryot. Cell 5:1820-1825(2006).
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: Might act as an E3 ubiquitin-protein ligase. Appears to be
CC required for normal cell-type proportioning and cell sorting during
CC multicellular development. In addition to being necessary for a normal
CC percentage of prestalk cells and the organization of the slug, rbrA is
CC also necessary for spore cell viability. {ECO:0000269|PubMed:17031003}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[E2 ubiquitin-conjugating enzyme]-S-ubiquitinyl-L-cysteine +
CC [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-
CC cysteine + [acceptor protein]-N(6)-ubiquitinyl-L-lysine.;
CC EC=2.3.2.31; Evidence={ECO:0000250|UniProtKB:O60260};
CC -!- PATHWAY: Protein modification; protein ubiquitination.
CC -!- DOMAIN: Members of the RBR family are atypical E3 ligases. They
CC interact with the E2 conjugating enzyme UBE2L3 and function like HECT-
CC type E3 enzymes: they bind E2s via the first RING domain, but require
CC an obligate trans-thiolation step during the ubiquitin transfer,
CC requiring a conserved cysteine residue in the second RING domain.
CC {ECO:0000250|UniProtKB:O60260}.
CC -!- DISRUPTION PHENOTYPE: Prestalk cell numbers are reduced in slugs and
CC these prestalk cells do not localize to the tip of slugs. Development
CC terminates at the finger or slug stage, and these slugs do not
CC phototax, possibly because the tip region does not properly form.
CC {ECO:0000269|PubMed:17031003}.
CC -!- SIMILARITY: Belongs to the RBR family. {ECO:0000305}.
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DR EMBL; AY437441; AAR10851.1; -; Genomic_DNA.
DR EMBL; AAFI02000092; EAL63978.1; -; Genomic_DNA.
DR RefSeq; XP_637482.1; XM_632390.1.
DR AlphaFoldDB; Q6T486; -.
DR SMR; Q6T486; -.
DR STRING; 44689.DDB0191418; -.
DR PaxDb; Q6T486; -.
DR PRIDE; Q6T486; -.
DR EnsemblProtists; EAL63978; EAL63978; DDB_G0286961.
DR GeneID; 8625881; -.
DR KEGG; ddi:DDB_G0286961; -.
DR dictyBase; DDB_G0286961; rbrA.
DR eggNOG; KOG1815; Eukaryota.
DR HOGENOM; CLU_009823_3_1_1; -.
DR InParanoid; Q6T486; -.
DR OMA; CAAHACD; -.
DR PhylomeDB; Q6T486; -.
DR Reactome; R-DDI-983168; Antigen processing: Ubiquitination & Proteasome degradation.
DR UniPathway; UPA00143; -.
DR PRO; PR:Q6T486; -.
DR Proteomes; UP000002195; Chromosome 4.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0000151; C:ubiquitin ligase complex; IBA:GO_Central.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0031624; F:ubiquitin conjugating enzyme binding; IBA:GO_Central.
DR GO; GO:0061630; F:ubiquitin protein ligase activity; IBA:GO_Central.
DR GO; GO:0032436; P:positive regulation of proteasomal ubiquitin-dependent protein catabolic process; IBA:GO_Central.
DR GO; GO:0000209; P:protein polyubiquitination; IBA:GO_Central.
DR GO; GO:0030435; P:sporulation resulting in formation of a cellular spore; IMP:dictyBase.
DR GO; GO:0006511; P:ubiquitin-dependent protein catabolic process; IBA:GO_Central.
DR Gene3D; 3.30.40.10; -; 1.
DR InterPro; IPR045840; Ariadne.
DR InterPro; IPR031127; E3_UB_ligase_RBR.
DR InterPro; IPR002867; IBR_dom.
DR InterPro; IPR044066; TRIAD_supradom.
DR InterPro; IPR001841; Znf_RING.
DR InterPro; IPR013083; Znf_RING/FYVE/PHD.
DR InterPro; IPR017907; Znf_RING_CS.
DR PANTHER; PTHR11685; PTHR11685; 1.
DR Pfam; PF19422; Ariadne; 1.
DR Pfam; PF01485; IBR; 2.
DR SMART; SM00647; IBR; 2.
DR PROSITE; PS51873; TRIAD; 1.
DR PROSITE; PS00518; ZF_RING_1; 1.
DR PROSITE; PS50089; ZF_RING_2; 1.
PE 3: Inferred from homology;
KW Metal-binding; Reference proteome; Repeat; Transferase;
KW Ubl conjugation pathway; Zinc; Zinc-finger.
FT CHAIN 1..520
FT /note="Probable E3 ubiquitin-protein ligase rbrA"
FT /id="PRO_0000330478"
FT ZN_FING 139..189
FT /note="RING-type 1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT ZN_FING 208..273
FT /note="IBR-type"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT ZN_FING 300..333
FT /note="RING-type 2; atypical"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT REGION 1..51
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 135..354
FT /note="TRIAD supradomain"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT COMPBIAS 1..38
FT /note="Acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 313
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 139
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 142
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 156
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 158
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 161
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 164
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 184
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 189
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 228
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 233
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 250
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 252
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 257
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 260
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 268
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 273
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 300
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="5"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 303
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="5"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 318
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="5"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 325
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="5"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 330
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="6"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 333
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="6"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 340
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="6"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
FT BINDING 350
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="6"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01221"
SQ SEQUENCE 520 AA; 60553 MW; 04B7A5FFAD23B27F CRC64;
MTDDEMYEDY DVDDDSAEES GNESLDDTEY DDAATQEFDF DENQPQRSLG KLTRQKSFEV
LNKDDLFSES HKIIKEVKDV LSIPSEAAVS TLLRHMKWNK EKLIERYMEN PEKLCIDAGV
PNVMKLNATI VEKSGNVSCL ICLEDYPPTQ TFALICNHRY CLPCYKNYLE IKVSEGPECI
YTPCPAPKCK VIVHQDAFKQ IVSPEVFERF NNFILKSYVD DNPQVKWCPA PGCIYSIRCD
RKERKEAVNC KCGFQYCFNC NDYEIGDHMP CPCSQVDKWL QKASDESENV TWMLANTKKC
PECRSPIEKN GGCMHMTCRK NAGGCGFEFC WLCRGPWTEH GSTTGGYYNC NKYDKSKAKE
DDDKAHDAKT ELEAYMFYYH RYESHRNAMK IADEQRRNAH LKEQQILSKF DVRSADTKFL
MEATEQLLKN RRVLQYSYVY GYYLDKKSQE RNLFEYLQED LEKHTNLLST QYEQSLDKLE
DYQAFIKWKE QVTNYTRITK KFLDNFVDGV AGGLVNTQIN
