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URM1_DICDI
ID   URM1_DICDI              Reviewed;          96 AA.
AC   Q54QN0;
DT   29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-MAY-2005, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=Ubiquitin-related modifier 1 homolog {ECO:0000255|HAMAP-Rule:MF_03048};
GN   Name=urm1; ORFNames=DDB_G0283737;
OS   Dictyostelium discoideum (Slime mold).
OC   Eukaryota; Amoebozoa; Evosea; Eumycetozoa; Dictyostelia; Dictyosteliales;
OC   Dictyosteliaceae; Dictyostelium.
OX   NCBI_TaxID=44689;
RN   [1]
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: Acts as a sulfur carrier required for 2-thiolation of
CC       mcm(5)S(2)U at tRNA wobble positions of cytosolic tRNA(Lys), tRNA(Glu)
CC       and tRNA(Gln). Serves as sulfur donor in tRNA 2-thiolation reaction by
CC       being thiocarboxylated (-COSH) at its C-terminus by the MOCS3 homolog.
CC       The sulfur is then transferred to tRNA to form 2-thiolation of
CC       mcm(5)S(2)U. Also acts as a ubiquitin-like protein (UBL) that is
CC       covalently conjugated via an isopeptide bond to lysine residues of
CC       target proteins. The thiocarboxylated form serves as substrate for
CC       conjugation and oxidative stress specifically induces the formation of
CC       UBL-protein conjugates. {ECO:0000255|HAMAP-Rule:MF_03048}.
CC   -!- PATHWAY: tRNA modification; 5-methoxycarbonylmethyl-2-thiouridine-tRNA
CC       biosynthesis. {ECO:0000255|HAMAP-Rule:MF_03048}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_03048}.
CC   -!- PTM: C-terminal thiocarboxylation occurs in 2 steps, it is first acyl-
CC       adenylated (-COAMP) via the hesA/moeB/thiF part of the MOCS3 homolog,
CC       then thiocarboxylated (-COSH) via the rhodanese domain of the MOCS3
CC       homolog. {ECO:0000255|HAMAP-Rule:MF_03048}.
CC   -!- SIMILARITY: Belongs to the URM1 family. {ECO:0000255|HAMAP-
CC       Rule:MF_03048}.
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DR   EMBL; AAFI02000056; EAL65635.1; -; Genomic_DNA.
DR   RefSeq; XP_638993.1; XM_633901.1.
DR   AlphaFoldDB; Q54QN0; -.
DR   SMR; Q54QN0; -.
DR   STRING; 44689.DDB0185658; -.
DR   PaxDb; Q54QN0; -.
DR   EnsemblProtists; EAL65635; EAL65635; DDB_G0283737.
DR   GeneID; 8624239; -.
DR   KEGG; ddi:DDB_G0283737; -.
DR   dictyBase; DDB_G0283737; urm1.
DR   eggNOG; KOG4146; Eukaryota.
DR   HOGENOM; CLU_148208_0_1_1; -.
DR   InParanoid; Q54QN0; -.
DR   OMA; DYELQPN; -.
DR   PhylomeDB; Q54QN0; -.
DR   UniPathway; UPA00988; -.
DR   PRO; PR:Q54QN0; -.
DR   Proteomes; UP000002195; Chromosome 4.
DR   GO; GO:0005829; C:cytosol; IEA:UniProtKB-UniRule.
DR   GO; GO:0005634; C:nucleus; IBA:GO_Central.
DR   GO; GO:0031386; F:protein tag; IBA:GO_Central.
DR   GO; GO:0032447; P:protein urmylation; IBA:GO_Central.
DR   GO; GO:0034227; P:tRNA thio-modification; IEA:UniProtKB-UniRule.
DR   GO; GO:0002098; P:tRNA wobble uridine modification; IEA:UniProtKB-UniRule.
DR   CDD; cd01764; Ubl_Urm1; 1.
DR   Gene3D; 3.10.20.30; -; 1.
DR   HAMAP; MF_03048; Urm1; 1.
DR   InterPro; IPR012675; Beta-grasp_dom_sf.
DR   InterPro; IPR016155; Mopterin_synth/thiamin_S_b.
DR   InterPro; IPR015221; Urm1.
DR   PANTHER; PTHR14986; PTHR14986; 1.
DR   Pfam; PF09138; Urm1; 1.
DR   PIRSF; PIRSF037379; Ubiquitin-related_modifier_1; 1.
DR   SUPFAM; SSF54285; SSF54285; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Isopeptide bond; Reference proteome; tRNA processing;
KW   Ubl conjugation pathway.
FT   CHAIN           1..96
FT                   /note="Ubiquitin-related modifier 1 homolog"
FT                   /id="PRO_0000330337"
FT   MOD_RES         96
FT                   /note="1-thioglycine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03048"
FT   CROSSLNK        96
FT                   /note="Glycyl lysine isopeptide (Gly-Lys) (interchain with
FT                   K-? in acceptor proteins)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03048"
SQ   SEQUENCE   96 AA;  11008 MW;  B7FA71B06265C51E CRC64;
     MKVKIELSGG LELLFDKKKV HEIEFSDKNE IPLKDLILYM RDNLLKERSE LFVVDDTVRP
     GILVLINDAD WELFGGISYN VEDKDTIIFI STLHGG
 
 
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