ID A0A851ZGQ6_CALOR Unreviewed; 996 AA.
AC A0A851ZGQ6;
DT 29-SEP-2021, integrated into UniProtKB/TrEMBL.
DT 29-SEP-2021, sequence version 1.
DT 28-JAN-2026, entry version 20.
DE RecName: Full=Exosome RNA helicase MTR4 {ECO:0000256|ARBA:ARBA00069430};
DE EC=3.6.4.13 {ECO:0000256|ARBA:ARBA00012552};
DE AltName: Full=Superkiller viralicidic activity 2-like 2 {ECO:0000256|ARBA:ARBA00082023};
DE AltName: Full=TRAMP-like complex helicase {ECO:0000256|ARBA:ARBA00077324};
DE Flags: Fragment;
GN Name=Mtrex {ECO:0000313|EMBL:NXE59885.1};
GN ORFNames=CALORN_R10538 {ECO:0000313|EMBL:NXE59885.1};
OS Calcarius ornatus (Chestnut-collared longspur).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC Coelurosauria; Aves; Neognathae; Neoaves; Telluraves; Australaves;
OC Passeriformes; Passeroidea; Fringillidae; Emberizinae; Emberizini;
OC Calcarius.
OX NCBI_TaxID=198940 {ECO:0000313|EMBL:NXE59885.1, ECO:0000313|Proteomes:UP000603627};
RN [1] {ECO:0000313|EMBL:NXE59885.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=B10K-DU-015-28 {ECO:0000313|EMBL:NXE59885.1};
RC TISSUE=Muscle {ECO:0000313|EMBL:NXE59885.1};
RA Zhang G.;
RT "Bird 10,000 Genomes (B10K) Project - Family phase.";
RL Submitted (SEP-2019) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O = ADP + phosphate + H(+); Xref=Rhea:RHEA:13065,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:456216; EC=3.6.4.13;
CC Evidence={ECO:0000256|ARBA:ARBA00049390};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:13066;
CC Evidence={ECO:0000256|ARBA:ARBA00049390};
CC -!- SUBCELLULAR LOCATION: Nucleus speckle {ECO:0000256|ARBA:ARBA00004324}.
CC Nucleus, nucleolus {ECO:0000256|ARBA:ARBA00004604}. Nucleus,
CC nucleoplasm {ECO:0000256|ARBA:ARBA00004642}.
CC -!- SIMILARITY: Belongs to the helicase family. SKI2 subfamily.
CC {ECO:0000256|ARBA:ARBA00010140}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:NXE59885.1}.
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; WBNL01000032; NXE59885.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A851ZGQ6; -.
DR Proteomes; UP000603627; Unassembled WGS sequence.
DR GO; GO:0016607; C:nuclear speck; IEA:UniProtKB-SubCell.
DR GO; GO:0005730; C:nucleolus; IEA:UniProtKB-SubCell.
DR GO; GO:0005681; C:spliceosomal complex; IEA:UniProtKB-KW.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0016787; F:hydrolase activity; IEA:UniProtKB-KW.
DR GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR GO; GO:0003724; F:RNA helicase activity; IEA:UniProtKB-EC.
DR GO; GO:0006974; P:DNA damage response; IEA:UniProtKB-KW.
DR GO; GO:0000460; P:maturation of 5.8S rRNA; IEA:TreeGrafter.
DR GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-KW.
DR GO; GO:0006401; P:RNA catabolic process; IEA:InterPro.
DR GO; GO:0008380; P:RNA splicing; IEA:UniProtKB-KW.
DR CDD; cd18024; DEXHc_Mtr4-like; 1.
DR CDD; cd13154; KOW_Mtr4; 1.
DR CDD; cd18795; SF2_C_Ski2; 1.
DR FunFam; 3.40.50.300:FF:000083; ATP-dependent RNA helicase DOB1; 1.
DR FunFam; 3.40.50.300:FF:000141; ATP-dependent RNA helicase DOB1; 1.
DR FunFam; 2.40.30.300:FF:000001; Mtr4 exosome RNA helicase; 1.
DR FunFam; 1.10.3380.30:FF:000002; superkiller viralicidic activity 2-like 2; 1.
DR FunFam; 1.10.3380.30:FF:000004; Superkiller viralicidic activity 2-like 2; 1.
DR Gene3D; 1.10.3380.30; -; 2.
DR Gene3D; 2.40.30.300; -; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 2.
DR InterPro; IPR025696; Beta-barrel_MTR4.
DR InterPro; IPR011545; DEAD/DEAH_box_helicase_dom.
DR InterPro; IPR014001; Helicase_ATP-bd.
DR InterPro; IPR001650; Helicase_C-like.
DR InterPro; IPR048392; MTR4-like_stalk.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR050699; RNA-DNA_Helicase.
DR InterPro; IPR016438; SKI2-like.
DR InterPro; IPR012961; Ski2/MTR4_C.
DR PANTHER; PTHR12131; ATP-DEPENDENT RNA AND DNA HELICASE; 1.
DR PANTHER; PTHR12131:SF7; EXOSOME RNA HELICASE MTR4; 1.
DR Pfam; PF00270; DEAD; 1.
DR Pfam; PF08148; DSHCT; 1.
DR Pfam; PF00271; Helicase_C; 1.
DR Pfam; PF21408; MTR4-like_stalk; 1.
DR Pfam; PF13234; MTR4_beta-barrel; 1.
DR PIRSF; PIRSF005198; Antiviral_helicase_SKI2; 1.
DR SMART; SM00487; DEXDc; 1.
DR SMART; SM01142; DSHCT; 1.
DR SMART; SM00490; HELICc; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR PROSITE; PS51192; HELICASE_ATP_BIND_1; 1.
DR PROSITE; PS51194; HELICASE_CTER; 1.
PE 3: Inferred from homology;
KW Acetylation {ECO:0000256|ARBA:ARBA00022990};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840};
KW DNA damage {ECO:0000256|ARBA:ARBA00022763};
KW Helicase {ECO:0000256|ARBA:ARBA00022806, ECO:0000313|EMBL:NXE59885.1};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW Isopeptide bond {ECO:0000256|ARBA:ARBA00022499};
KW mRNA processing {ECO:0000256|ARBA:ARBA00022664};
KW mRNA splicing {ECO:0000256|ARBA:ARBA00023187};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW Nucleus {ECO:0000256|ARBA:ARBA00023242};
KW Phosphoprotein {ECO:0000256|ARBA:ARBA00022553};
KW Reference proteome {ECO:0000313|Proteomes:UP000603627};
KW rRNA processing {ECO:0000256|ARBA:ARBA00022552};
KW Spliceosome {ECO:0000256|ARBA:ARBA00022728};
KW Ubl conjugation {ECO:0000256|ARBA:ARBA00022843}.
FT DOMAIN 102..258
FT /note="Helicase ATP-binding"
FT /evidence="ECO:0000259|PROSITE:PS51192"
FT DOMAIN 359..531
FT /note="Helicase C-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51194"
FT NON_TER 1
FT /evidence="ECO:0000313|EMBL:NXE59885.1"
FT NON_TER 996
FT /evidence="ECO:0000313|EMBL:NXE59885.1"
SQ SEQUENCE 996 AA; 113091 MW; C8385E1843EA0C7B CRC64;
KRLEEKPSVP AAIVKPKREA EIDSTENVIL GKKPKLEDIL SDDVNLTDLM PQVKVQSVET
VEGCTHEVAL PANEEFTGLK PRTGKAAKEY PFILDAFQRE AILCVDNNQS VLVSAHTSAG
KTVCAEYAIA LALREKQRVI FTSPIKALSN QKYREMYEEF QDVGLMTGDV TINPTASCLV
MTTEILRSML YRGSEVMREV AWVIFDEIHY MRDTERGVVW EETIILLPDN VHYVFLSATI
PNARQFAEWI CHLHKQPCHV IYTDYRPTPL QHYIFPAGGD GLHLVVDENG DFREDNFNTA
MQVLRDAGDL AKGDQKGRKG GTKGPSNVFK IVKMIMERNF QPVIIFSFSK KDCEAYALQM
TKLDFNTDEE KKMVEEVFNN AIDCLSDEDK KLPQVEHVLP LLKRGIGIHH GGLLPILKET
IEILFSEGLI KALFATETFA MGINMPARTV LFTSASKFDG KDFRWISSGE YIQMSGRAGR
RGMDDRGIVI LMVDEKMSPT IGKQLLKGSA DPLNSAFHLT YNMVLNLLRV EEINPEYMLE
KSFYQFQHYR TIPEIVERVN NLEAQYNKIV IPNEENVVIY YRIRQQLAKL GKDIEEYIHK
PKYCLPFLQP GRLVKVKNEG DDYGWGVVVN FSKKSNVKPN SGELDPLYVV EVLLHCSKDS
LKNSATESAK PARPDERGEM QVVPVLVHLV SAISSIRLYI PKDLRPVDNR QSVLKSVLEV
QRRFPDGVPL LDPIDDMGIK DQGLKKVIQK IEAFEHRMYS HPLHNDPNLE TIYKLCEKKA
QIAMDIKVAK RELKKARTVL QMDELKCRKR VLRRLGFATS SDVIEMKGRV ACEISSADEL
LLTEMMFNGL FNDLSAEQAT ALLSCFVFQE NSSEMPKLTE QLAGPLRQMQ ECAKRIAKVS
AEAKLETDEE NYLNSFRPNL MDVVYTWANG ANFAHICKMT DVFEGSIIRC MRRLEELLRQ
MCQAAKAIGN TELENKFAEG ITKIKRDIVF AASLYL
//