ID A0A1S3NFA8_SALSA Unreviewed; 337 AA.
AC A0A1S3NFA8;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 18-JUN-2025, entry version 40.
DE RecName: Full=E3 ubiquitin-protein ligase RNF144B {ECO:0000256|ARBA:ARBA00069720};
DE EC=2.3.2.31 {ECO:0000256|ARBA:ARBA00012251};
DE AltName: Full=RING finger protein 144B {ECO:0000256|ARBA:ARBA00078867};
GN Name=LOC106579099 {ECO:0000313|RefSeq:XP_014014134.1,
GN ECO:0000313|RefSeq:XP_014014143.1};
OS Salmo salar (Atlantic salmon).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Protacanthopterygii; Salmoniformes;
OC Salmonidae; Salmoninae; Salmo.
OX NCBI_TaxID=8030 {ECO:0000313|Proteomes:UP000087266, ECO:0000313|RefSeq:XP_014014143.1};
RN [1] {ECO:0000313|Proteomes:UP000087266}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=double haploid {ECO:0000313|Proteomes:UP000087266};
RX PubMed=20887641;
RA Davidson W.S., Koop B.F., Jones S.J., Iturra P., Vidal R., Maass A.,
RA Jonassen I., Lien S., Omholt S.W.;
RT "Sequencing the genome of the Atlantic salmon (Salmo salar).";
RL Genome Biol. 11:403-403(2010).
RN [2] {ECO:0000313|RefSeq:XP_014014134.1, ECO:0000313|RefSeq:XP_014014143.1}
RP IDENTIFICATION.
RC TISSUE=Muscle {ECO:0000313|RefSeq:XP_014014134.1,
RC ECO:0000313|RefSeq:XP_014014143.1};
RG RefSeq;
RL Submitted (MAR-2025) to UniProtKB.
CC -!- FUNCTION: E3 ubiquitin-protein ligase which accepts ubiquitin from E2
CC ubiquitin-conjugating enzymes UBE2L3 and UBE2L6 in the form of a
CC thioester and then directly transfers the ubiquitin to targeted
CC substrates such as LCMT2, thereby promoting their degradation. Induces
CC apoptosis via a p53/TP53-dependent but caspase-independent mechanism.
CC Plays a crucial role in maintaining the genomic stability by
CC controlling the degradation of multiple proteins involved in mitotic
CC progression and DNA damage. Regulates epithelial homeostasis by
CC mediating degradation of CDKN1A and isoform 2 of TP63. Plays a
CC regulatory role in innate immunity by negatively regulating IRF3
CC activation and IFN-beta production. Mechanistically, inhibits TBK1
CC phosphorylation and 'Lys-63'-linked polyubiquitination independently of
CC its E3 ligase activity. Alternatively, promotes 'Lys-27' and 'Lys-33'-
CC linked ubiquitination of IFIH1/MDA5, promoting selective autophagic
CC degradation of IFIH1/MDA5 to inhibit antiviral response.
CC {ECO:0000256|ARBA:ARBA00060040}.
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:0000256|ARBA:ARBA00001798};
CC -!- PATHWAY: Protein modification; protein ubiquitination.
CC {ECO:0000256|ARBA:ARBA00004906}.
CC -!- SUBUNIT: Interacts with UBE2L3, UBE2L6 and LCMT2, as well as with BAX.
CC Interacts with TBK1; this interaction inhibits TBK1 phosphorylation and
CC 'Lys-63'-linked polyubiquitination. {ECO:0000256|ARBA:ARBA00061765}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
CC Mitochondrion membrane {ECO:0000256|ARBA:ARBA00004304}; Single-pass
CC membrane protein {ECO:0000256|ARBA:ARBA00004304}.
CC -!- SIMILARITY: Belongs to the RBR family. RNF144 subfamily.
CC {ECO:0000256|ARBA:ARBA00038342}.
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DR RefSeq; XP_014014134.1; XM_014158659.1.
DR RefSeq; XP_014014143.1; XM_014158668.1.
DR STRING; 8030.ENSSSAP00000037530; -.
DR PaxDb; 8030-ENSSSAP00000037530; -.
DR Ensembl; ENSSSAT00020155704; ENSSSAP00020119508; ENSSSAG00020067004.
DR GeneID; 106579099; -.
DR KEGG; sasa:106579099; -.
DR Proteomes; UP000087266; Chromosome ssa02.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR GO; GO:0004842; F:ubiquitin-protein transferase activity; IEA:InterPro.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-KW.
DR GO; GO:0016567; P:protein ubiquitination; IEA:InterPro.
DR CDD; cd20369; Rcat_RBR_RNF144B; 1.
DR FunFam; 1.20.120.1750:FF:000010; RBR-type E3 ubiquitin transferase; 1.
DR FunFam; 3.30.40.10:FF:000051; RBR-type E3 ubiquitin transferase; 1.
DR Gene3D; 1.20.120.1750; -; 1.
DR Gene3D; 3.30.40.10; Zinc/RING finger domain, C3HC4 (zinc finger); 1.
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; RBR FAMILY RING FINGER AND IBR DOMAIN-CONTAINING; 1.
DR Pfam; PF01485; IBR; 1.
DR Pfam; PF22191; IBR_1; 1.
DR SMART; SM00647; IBR; 2.
DR SUPFAM; SSF57850; RING/U-box; 3.
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 Apoptosis {ECO:0000256|ARBA:ARBA00022703};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Mitochondrion {ECO:0000256|ARBA:ARBA00023128};
KW Reference proteome {ECO:0000313|Proteomes:UP000087266};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Transferase {ECO:0000256|ARBA:ARBA00022679};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}; Ubl conjugation {ECO:0000256|ARBA:ARBA00022843};
KW Ubl conjugation pathway {ECO:0000256|ARBA:ARBA00022786};
KW Zinc {ECO:0000256|ARBA:ARBA00022833};
KW Zinc-finger {ECO:0000256|ARBA:ARBA00022771, ECO:0000256|PROSITE-
KW ProRule:PRU00175}.
FT TRANSMEM 278..308
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 43..264
FT /note="RING-type"
FT /evidence="ECO:0000259|PROSITE:PS51873"
FT DOMAIN 47..93
FT /note="RING-type"
FT /evidence="ECO:0000259|PROSITE:PS50089"
FT REGION 1..32
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 185..206
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 318..337
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..27
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 325..337
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 337 AA; 36318 MW; 0AA3BE7DA6E03EB8 CRC64;
MANNSSPARG QSQGQGSIAN SSPSQPLGQA GAVVASSSTQ PDVVVYCKLC LSEHPSAATS
TLHTCDCVFC TPCLQQYVQL AIREGGGSPV TCPDMACQRT GVLLHSEIAC FASADQVELY
QRLEFERGVQ LDPSRAWCPV LECQAVCSVG PSSEGHPTSV PCPACHTVFC SGCRGPWQDG
HTCPEHQPMT SSSSASESRG RSCSDSDLPI KQCPMCGVYI ERNQGCAQML CKSCKHTFCW
YCLQNLDGDI FLRHYDKGPC RNKLGHSRAS VMWNRTQVVG ILVGVSVIVL VASPLLLLAS
PCILCCLCKP CRGKKKRRKK KELTQTDIQP ELSPTKS
//
