ID A0A1D6NUB7_MAIZE Unreviewed; 459 AA.
AC A0A1D6NUB7;
DT 30-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 30-NOV-2016, sequence version 1.
DT 27-MAR-2024, entry version 49.
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=CNX5 {ECO:0000256|HAMAP-Rule:MF_03049}, UBA4
GN {ECO:0000256|HAMAP-Rule:MF_03049};
GN ORFNames=ZEAMMB73_Zm00001d045182 {ECO:0000313|EMBL:AQL01752.1};
OS Zea mays (Maize).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC Panicoideae; Andropogonodae; Andropogoneae; Tripsacinae; Zea.
OX NCBI_TaxID=4577 {ECO:0000313|EMBL:AQL01752.1};
RN [1] {ECO:0000313|EMBL:AQL01752.1}
RP NUCLEOTIDE SEQUENCE.
RC TISSUE=Seedling {ECO:0000313|EMBL:AQL01752.1};
RG Maize Genome Sequencing Project;
RA Ware D.;
RT "Update maize B73 reference genome by single molecule sequencing
RT technologies.";
RL Submitted (DEC-2015) to the EMBL/GenBank/DDBJ databases.
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}.
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; CM000785; AQL01751.1; -; Genomic_DNA.
DR EMBL; CM000785; AQL01752.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1D6NUB7; -.
DR UniPathway; UPA00344; -.
DR UniPathway; UPA00988; -.
DR ExpressionAtlas; A0A1D6NUB7; baseline and differential.
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:0008641; F:ubiquitin-like modifier activating enzyme activity; IEA:InterPro.
DR GO; GO:0006777; P:Mo-molybdopterin cofactor biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0002143; P:tRNA wobble position uridine thiolation; IEA:InterPro.
DR CDD; cd00757; ThiF_MoeB_HesA_family; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 2.
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 Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_03049};
KW Molybdenum cofactor biosynthesis {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}; Nucleotidyltransferase {ECO:0000313|EMBL:AQL01752.1};
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 362..457
FT /note="Rhodanese"
FT /evidence="ECO:0000259|PROSITE:PS50206"
FT COILED 5..32
FT /evidence="ECO:0000256|SAM:Coils"
FT ACT_SITE 233
FT /note="Glycyl thioester intermediate; for
FT adenylyltransferase activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT ACT_SITE 417
FT /note="Cysteine persulfide intermediate; for
FT sulfurtransferase activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 111
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 132
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 139..143
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 156
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 175..176
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 216
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 219
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 307
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
FT BINDING 310
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03049"
SQ SEQUENCE 459 AA; 49377 MW; 414FA33F43C2B344 CRC64;
MGGRREAIER ELKKLRAERE ELDGRIRLLE SQLEAGPAGF NGAAAGKGVG DDACGGSGAC
QSRVGNEFAP DGSLPADMIY RYSRHLLLPD FGVEGQRKLS QSSILVVGAG GLGSPLALYL
AACGVGRLGI VDGDDVELNN LHRQIIHKEA YVGQSKVKSA ADACREYDIV VDATDNLPTR
YMISDCCVLL NKPLVSGAAL GLEGQLTVYH HNGSPCYRCL FPTPPPVAAC QRCSDSGVLG
VVPGVIGCLQ ALEAIKVATG VGEPLCGRML LFDALSARIR VWPMAFETMF EDSSYLQVKL
RGSSPDCTHC GENSVFTEED FQKFDYESFT QSPMSDKAAP SVNVLPESAR ITCREYKKLA
DDGEPHLLLD VRPAHHFQIA SISPSHNIPL SMLEEKLPAL EASLKEAGEG SALVVLCRRG
NDSQRAVQLL REKGFASAKD IIGGLQAWGR DVDPDFPVY
//
