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GLND_ECOL6
ID   GLND_ECOL6              Reviewed;         890 AA.
AC   Q8CY19;
DT   23-APR-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 114.
DE   RecName: Full=Bifunctional uridylyltransferase/uridylyl-removing enzyme {ECO:0000255|HAMAP-Rule:MF_00277};
DE            Short=UTase/UR {ECO:0000255|HAMAP-Rule:MF_00277};
DE   AltName: Full=Bifunctional [protein-PII] modification enzyme {ECO:0000255|HAMAP-Rule:MF_00277};
DE   AltName: Full=Bifunctional nitrogen sensor protein {ECO:0000255|HAMAP-Rule:MF_00277};
DE   Includes:
DE     RecName: Full=[Protein-PII] uridylyltransferase {ECO:0000255|HAMAP-Rule:MF_00277};
DE              Short=PII uridylyltransferase {ECO:0000255|HAMAP-Rule:MF_00277};
DE              Short=UTase {ECO:0000255|HAMAP-Rule:MF_00277};
DE              EC=2.7.7.59 {ECO:0000255|HAMAP-Rule:MF_00277};
DE   Includes:
DE     RecName: Full=[Protein-PII]-UMP uridylyl-removing enzyme {ECO:0000255|HAMAP-Rule:MF_00277};
DE              Short=UR {ECO:0000255|HAMAP-Rule:MF_00277};
DE              EC=3.1.4.- {ECO:0000255|HAMAP-Rule:MF_00277};
GN   Name=glnD {ECO:0000255|HAMAP-Rule:MF_00277}; OrderedLocusNames=c0202;
OS   Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=199310;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CFT073 / ATCC 700928 / UPEC;
RX   PubMed=12471157; DOI=10.1073/pnas.252529799;
RA   Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D.,
RA   Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F.,
RA   Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T.,
RA   Donnenberg M.S., Blattner F.R.;
RT   "Extensive mosaic structure revealed by the complete genome sequence of
RT   uropathogenic Escherichia coli.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002).
CC   -!- FUNCTION: Modifies, by uridylylation and deuridylylation, the PII
CC       regulatory proteins (GlnB and homologs), in response to the nitrogen
CC       status of the cell that GlnD senses through the glutamine level. Under
CC       low glutamine levels, catalyzes the conversion of the PII proteins and
CC       UTP to PII-UMP and PPi, while under higher glutamine levels, GlnD
CC       hydrolyzes PII-UMP to PII and UMP (deuridylylation). Thus, controls
CC       uridylylation state and activity of the PII proteins, and plays an
CC       important role in the regulation of nitrogen assimilation and
CC       metabolism. {ECO:0000255|HAMAP-Rule:MF_00277}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[protein-PII]-L-tyrosine + UTP = [protein-PII]-uridylyl-L-
CC         tyrosine + diphosphate; Xref=Rhea:RHEA:13673, Rhea:RHEA-COMP:12147,
CC         Rhea:RHEA-COMP:12148, ChEBI:CHEBI:33019, ChEBI:CHEBI:46398,
CC         ChEBI:CHEBI:46858, ChEBI:CHEBI:90602; EC=2.7.7.59;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00277};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[protein-PII]-uridylyl-L-tyrosine + H2O = [protein-PII]-L-
CC         tyrosine + H(+) + UMP; Xref=Rhea:RHEA:48600, Rhea:RHEA-COMP:12147,
CC         Rhea:RHEA-COMP:12148, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:46858, ChEBI:CHEBI:57865, ChEBI:CHEBI:90602;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00277};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00277};
CC   -!- ACTIVITY REGULATION: Uridylyltransferase (UTase) activity is inhibited
CC       by glutamine, while glutamine activates uridylyl-removing (UR)
CC       activity. {ECO:0000255|HAMAP-Rule:MF_00277}.
CC   -!- DOMAIN: Has four distinct domains: an N-terminal nucleotidyltransferase
CC       (NT) domain responsible for UTase activity, a central HD domain that
CC       encodes UR activity, and two C-terminal ACT domains that seem to have a
CC       role in glutamine sensing. {ECO:0000255|HAMAP-Rule:MF_00277}.
CC   -!- SIMILARITY: Belongs to the GlnD family. {ECO:0000255|HAMAP-
CC       Rule:MF_00277}.
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DR   EMBL; AE014075; AAN78696.1; -; Genomic_DNA.
DR   RefSeq; WP_001094532.1; NC_004431.1.
DR   AlphaFoldDB; Q8CY19; -.
DR   SMR; Q8CY19; -.
DR   STRING; 199310.c0202; -.
DR   EnsemblBacteria; AAN78696; AAN78696; c0202.
DR   KEGG; ecc:c0202; -.
DR   eggNOG; COG2844; Bacteria.
DR   HOGENOM; CLU_012833_0_0_6; -.
DR   OMA; WIAKYVY; -.
DR   BioCyc; ECOL199310:C0202-MON; -.
DR   Proteomes; UP000001410; Chromosome.
DR   GO; GO:0008773; F:[protein-PII] uridylyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008081; F:phosphoric diester hydrolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006807; P:nitrogen compound metabolic process; IEA:InterPro.
DR   GO; GO:0006808; P:regulation of nitrogen utilization; IEA:UniProtKB-UniRule.
DR   CDD; cd00077; HDc; 1.
DR   HAMAP; MF_00277; PII_uridylyl_transf; 1.
DR   InterPro; IPR045865; ACT-like_dom_sf.
DR   InterPro; IPR002912; ACT_dom.
DR   InterPro; IPR003607; HD/PDEase_dom.
DR   InterPro; IPR006674; HD_domain.
DR   InterPro; IPR043519; NT_sf.
DR   InterPro; IPR013546; PII_UdlTrfase/GS_AdlTrfase.
DR   InterPro; IPR002934; Polymerase_NTP_transf_dom.
DR   InterPro; IPR010043; UTase/UR.
DR   PANTHER; PTHR47320; PTHR47320; 1.
DR   Pfam; PF01842; ACT; 2.
DR   Pfam; PF08335; GlnD_UR_UTase; 1.
DR   Pfam; PF01966; HD; 1.
DR   Pfam; PF01909; NTP_transf_2; 1.
DR   PIRSF; PIRSF006288; PII_uridyltransf; 1.
DR   SMART; SM00471; HDc; 1.
DR   SUPFAM; SSF55021; SSF55021; 2.
DR   SUPFAM; SSF81301; SSF81301; 1.
DR   TIGRFAMs; TIGR01693; UTase_glnD; 1.
DR   PROSITE; PS51671; ACT; 2.
DR   PROSITE; PS51831; HD; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Magnesium; Multifunctional enzyme; Nucleotidyltransferase;
KW   Repeat; Transferase.
FT   CHAIN           1..890
FT                   /note="Bifunctional uridylyltransferase/uridylyl-removing
FT                   enzyme"
FT                   /id="PRO_0000192734"
FT   DOMAIN          468..590
FT                   /note="HD"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01175"
FT   DOMAIN          709..789
FT                   /note="ACT 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00277"
FT   DOMAIN          816..890
FT                   /note="ACT 2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00277"
FT   REGION          1..349
FT                   /note="Uridylyltransferase"
FT   REGION          350..708
FT                   /note="Uridylyl-removing"
SQ   SEQUENCE   890 AA;  102378 MW;  4159EBDD9DAB83BC CRC64;
     MNTLPEQYAN TALPTLHGQP QNPCAWPRDE LTVGGIKAHI DTFQRWLGDA FDNGISAEQL
     IEARTEFIDQ LLQRLWIEAG FSQIADLALV AVGGYGRGEL HPLSDIDLLI LSRKKLPDDQ
     AQKVGELLTL LWDVKLEVGH SVRTLEECML EGLSDLTVAT NLIESRLLIG DVALFLELQK
     HIFSEGFWPS DKFYAAKVEE QNQRHQRYHG TSYNLEPDIK SSPGGLRDIH TLQWVARRHF
     GATSLDEMVG FGFLTSAERA ELNECLHILW RIRFALHLVV SRYDNRLLFD RQLSVAQRLN
     YSGEGNEPVE RMMKDYFRVT RRVSELNQML LQLFDEAILA LPADEKPRPI DDEFQLRGTL
     IDLRDETLFM RQPEAILRMF YTMVRNSAIT GIYSTTLRQL RHARRHLQQP LCNIPEARKL
     FLSILRHPGA VRRGLLPMHR HSVLGAYMPQ WSHIVGQMQF DLFHAYTVDE HTIRVMLKLE
     SFASEETRQR HPLCVDVWPR LPSTELIFIA ALFHDIAKGR GGDHSILGAQ DVVHFAELHG
     LNSRETQLVA WLVRQHLLMS VTAQRRDIQD PEVIKQFAEE VQTENRLRYL VCLTVADICA
     TNETLWNSWK QSLLRELYFA TEKQLRRGMQ NTPDMRERVR HHQLQALALL RMDNIDEEAL
     HQIWSRCRAN YFVRHSPNQL AWHARHLLQH DLGKPLVLLS PQATRGGTEI FIWSPDRPYL
     FAAVCAELDR RNLSVHDAQI FTTRDGMAMD TFIVLEPDGS PLSADRHEVI RFGLEQVLTQ
     SSWQPPQPRR QPAKLRHFTV ETEVTFLPTH TDRKSFLELI ALDQPGLLAR VGKIFADLGI
     SLHGARITTI GERVEDLFII ATADRRALNN ELQQEVHQRL TEALNPNDKG
 
 
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