ID W5NJN5_LEPOC Unreviewed; 468 AA.
AC W5NJN5;
DT 16-APR-2014, integrated into UniProtKB/TrEMBL.
DT 16-APR-2014, sequence version 1.
DT 27-MAR-2024, entry version 65.
DE RecName: Full=Adenylyltransferase and sulfurtransferase MOCS3 {ECO:0000256|HAMAP-Rule:MF_03049};
DE AltName: Full=Molybdenum cofactor synthesis protein 3 {ECO:0000256|HAMAP-Rule:MF_03049};
DE Includes:
DE RecName: Full=Molybdopterin-synthase adenylyltransferase {ECO:0000256|HAMAP-Rule:MF_03049};
DE EC=2.7.7.80 {ECO:0000256|HAMAP-Rule:MF_03049};
DE AltName: Full=Adenylyltransferase MOCS3 {ECO:0000256|HAMAP-Rule:MF_03049};
DE AltName: Full=Sulfur carrier protein MOCS2A adenylyltransferase {ECO:0000256|HAMAP-Rule:MF_03049};
DE Includes:
DE RecName: Full=Molybdopterin-synthase sulfurtransferase {ECO:0000256|HAMAP-Rule:MF_03049};
DE EC=2.8.1.11 {ECO:0000256|HAMAP-Rule:MF_03049};
DE AltName: Full=Sulfurtransferase MOCS3 {ECO:0000256|HAMAP-Rule:MF_03049};
DE AltName: Full=Sulfur carrier protein MOCS2A sulfurtransferase {ECO:0000256|HAMAP-Rule:MF_03049};
GN Name=MOCS3 {ECO:0000256|HAMAP-Rule:MF_03049};
GN Synonyms=UBA4 {ECO:0000256|HAMAP-Rule:MF_03049};
OS Lepisosteus oculatus (Spotted gar).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Holostei; Semionotiformes; Lepisosteidae;
OC Lepisosteus.
OX NCBI_TaxID=7918 {ECO:0000313|Ensembl:ENSLOCP00000020844.1, ECO:0000313|Proteomes:UP000018468};
RN [1] {ECO:0000313|Proteomes:UP000018468}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Di Palma F., Alfoldi J., Johnson J., Berlin A., Gnerre S., Jaffe D.,
RA MacCallum I., Young S., Walker B.J., Lander E.S., Lindblad-Toh K.;
RT "The Draft Genome of Lepisosteus oculatus.";
RL Submitted (DEC-2011) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Ensembl:ENSLOCP00000020844.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- FUNCTION: Plays a central role in 2-thiolation of mcm(5)S(2)U at tRNA
CC wobble positions of cytosolic tRNA(Lys), tRNA(Glu) and tRNA(Gln). Also
CC essential during biosynthesis of the molybdenum cofactor. Acts by
CC mediating the C-terminal thiocarboxylation of sulfur carriers URM1 and
CC MOCS2A. Its N-terminus first activates URM1 and MOCS2A as acyl-
CC adenylates (-COAMP), then the persulfide sulfur on the catalytic
CC cysteine is transferred to URM1 and MOCS2A to form thiocarboxylation (-
CC COSH) of their C-terminus. The reaction probably involves hydrogen
CC sulfide that is generated from the persulfide intermediate and that
CC acts as nucleophile towards URM1 and MOCS2A. Subsequently, a transient
CC disulfide bond is formed. Does not use thiosulfate as sulfur donor;
CC NFS1 probably acting as a sulfur donor for thiocarboxylation reactions.
CC {ECO:0000256|HAMAP-Rule:MF_03049}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[molybdopterin-synthase sulfur-carrier protein]-C-terminal
CC Gly-Gly + ATP + H(+) = [molybdopterin-synthase sulfur-carrier
CC protein]-C-terminal Gly-Gly-AMP + diphosphate; Xref=Rhea:RHEA:43616,
CC Rhea:RHEA-COMP:12159, Rhea:RHEA-COMP:12202, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:90618,
CC ChEBI:CHEBI:90778; EC=2.7.7.80; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_03049};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[molybdopterin-synthase sulfur-carrier protein]-C-terminal
CC Gly-Gly-AMP + AH2 + S-sulfanyl-L-cysteinyl-[cysteine desulfurase] =
CC [molybdopterin-synthase sulfur-carrier protein]-C-terminal Gly-NH-
CC CH2-C(O)SH + A + AMP + H(+) + L-cysteinyl-[cysteine desulfurase];
CC Xref=Rhea:RHEA:48612, Rhea:RHEA-COMP:12157, Rhea:RHEA-COMP:12158,
CC Rhea:RHEA-COMP:12159, Rhea:RHEA-COMP:12160, ChEBI:CHEBI:13193,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17499, ChEBI:CHEBI:29950,
CC ChEBI:CHEBI:61963, ChEBI:CHEBI:90618, ChEBI:CHEBI:90619,
CC ChEBI:CHEBI:456215; EC=2.8.1.11; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_03049};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03049};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_03049};
CC -!- PATHWAY: Cofactor biosynthesis; molybdopterin biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_03049}.
CC -!- PATHWAY: tRNA modification; 5-methoxycarbonylmethyl-2-thiouridine-tRNA
CC biosynthesis. {ECO:0000256|HAMAP-Rule:MF_03049}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03049}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the HesA/MoeB/ThiF
CC family. UBA4 subfamily. {ECO:0000256|HAMAP-Rule:MF_03049}.
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DR EMBL; AHAT01011799; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR EMBL; AHAT01011800; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR AlphaFoldDB; W5NJN5; -.
DR STRING; 7918.ENSLOCP00000020844; -.
DR Ensembl; ENSLOCT00000020880.1; ENSLOCP00000020844.1; ENSLOCG00000016860.1.
DR eggNOG; KOG2017; Eukaryota.
DR GeneTree; ENSGT00940000160847; -.
DR HOGENOM; CLU_013325_1_2_1; -.
DR InParanoid; W5NJN5; -.
DR OMA; IPDVGMD; -.
DR UniPathway; UPA00344; -.
DR UniPathway; UPA00988; -.
DR Proteomes; UP000018468; Linkage group LG1.
DR Bgee; ENSLOCG00000016860; Expressed in ovary and 13 other cell types or tissues.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0005829; C:cytosol; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0061605; F:molybdopterin-synthase adenylyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0061604; F:molybdopterin-synthase sulfurtransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0016779; F:nucleotidyltransferase activity; IBA:GO_Central.
DR GO; GO:0004792; F:thiosulfate sulfurtransferase activity; IBA:GO_Central.
DR GO; GO:0042292; F:URM1 activating enzyme activity; IBA:GO_Central.
DR GO; GO:0006777; P:Mo-molybdopterin cofactor biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0032447; P:protein urmylation; IBA:GO_Central.
DR GO; GO:0002143; P:tRNA wobble position uridine thiolation; IBA:GO_Central.
DR CDD; cd01526; RHOD_ThiF; 1.
DR CDD; cd00757; ThiF_MoeB_HesA_family; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR Gene3D; 3.40.250.10; Rhodanese-like domain; 1.
DR HAMAP; MF_03049; MOCS3_Uba4; 1.
DR InterPro; IPR028885; MOCS3/Uba4.
DR InterPro; IPR001763; Rhodanese-like_dom.
DR InterPro; IPR036873; Rhodanese-like_dom_sf.
DR InterPro; IPR045886; ThiF/MoeB/HesA.
DR InterPro; IPR000594; ThiF_NAD_FAD-bd.
DR InterPro; IPR035985; Ubiquitin-activating_enz.
DR PANTHER; PTHR10953:SF102; ADENYLYLTRANSFERASE AND SULFURTRANSFERASE MOCS3; 1.
DR PANTHER; PTHR10953; UBIQUITIN-ACTIVATING ENZYME E1; 1.
DR Pfam; PF00581; Rhodanese; 1.
DR Pfam; PF00899; ThiF; 1.
DR SMART; SM00450; RHOD; 1.
DR SUPFAM; SSF69572; Activating enzymes of the ubiquitin-like proteins; 1.
DR PROSITE; PS50206; RHODANESE_3; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_03049}; Coiled coil {ECO:0000256|SAM:Coils};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_03049};
KW Disulfide bond {ECO:0000256|HAMAP-Rule:MF_03049};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_03049};
KW Molybdenum cofactor biosynthesis {ECO:0000256|ARBA:ARBA00023150,
KW ECO:0000256|HAMAP-Rule:MF_03049};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268, ECO:0000256|HAMAP-
KW Rule:MF_03049};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_03049}; Reference proteome {ECO:0000313|Proteomes:UP000018468};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_03049};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_03049};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_03049}.
FT DOMAIN 356..466
FT /note="Rhodanese"
FT /evidence="ECO:0000259|PROSITE:PS50206"
FT COILED 1..35
FT /evidence="ECO:0000256|SAM:Coils"
FT ACT_SITE 248
FT /note="Glycyl thioester intermediate; for
FT adenylyltransferase activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT ACT_SITE 421
FT /note="Cysteine persulfide intermediate; for
FT sulfurtransferase activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 98
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 119
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 126..130
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 143
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 190..191
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 231
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 234
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 306
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 309
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT DISULFID 325..333
FT /note="Alternate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
SQ SEQUENCE 468 AA; 51944 MW; 8111A20E8A091A0A CRC64;
RAVMEQDIVS LKEQLLVKEN EIGILKDKLE RLLKDSQCST EAIDVQGTVT QLTPLQEKPF
LSNEEIMRYS RQLLVPQFGV KGQQQLCRTS VLVVGCGGLG CPLAQYLAAA GVGRLGLLDY
DEVELGNLHR QVLHGEDRKG KPKALSAAAS LKRLNSAVDY VPYHMQLTPE NALQLVQQYP
CMDIIADCSD NVPTRYLVND ACVLAGKPLV SASALRMEGQ LTVYNYCGGP CYRCLYPVPP
PPETVTNCSD GGVLGVVPGI MGCFQALEIL KIASGQEPGY RQQLLMFDAQ EARFRTIKLR
PRQAGCSVCG ENPSVRALQD YEKFCGSAAT DKCRRLCLLD QEQRISVQEY KEILEEHVPH
LLLDVRPPVE VDICHLPVSI NIPLASLEDK KAPHLQLLKE KIEESRQKTD RKSDFPVYVI
CKLGNDSQKA VQILQEMSGV ELEHIAAKDI RGGLMAWAQK IDLSFPQY
//