ID   GLND_XANOM              Reviewed;         869 AA.
AC   Q2P497;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   25-MAY-2022, entry version 95.
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=XOO1875;
OS   Xanthomonas oryzae pv. oryzae (strain MAFF 311018).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=342109;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MAFF 311018;
RA   Ochiai H., Inoue Y., Takeya M., Sasaki A., Kaku H.;
RT   "Genome sequence of Xanthomonas oryzae pv. oryzae suggests contribution of
RT   large numbers of effector genes and insertion sequences to its race
RT   diversity.";
RL   Jpn. Agric. Res. Q. 39:275-287(2005).
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; AP008229; BAE68630.1; -; Genomic_DNA.
DR   RefSeq; WP_011408332.1; NC_007705.1.
DR   AlphaFoldDB; Q2P497; -.
DR   SMR; Q2P497; -.
DR   KEGG; xom:XOO1875; -.
DR   HOGENOM; CLU_012833_0_0_6; -.
DR   OMA; WIAKYVY; -.
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; 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..869
FT                   /note="Bifunctional uridylyltransferase/uridylyl-removing
FT                   enzyme"
FT                   /id="PRO_0000231698"
FT   DOMAIN          450..572
FT                   /note="HD"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01175"
FT   DOMAIN          692..774
FT                   /note="ACT 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00277"
FT   DOMAIN          798..869
FT                   /note="ACT 2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00277"
FT   REGION          1..332
FT                   /note="Uridylyltransferase"
FT   REGION          333..691
FT                   /note="Uridylyl-removing"
SQ   SEQUENCE   869 AA;  97350 MW;  EF45D7310C81BC66 CRC64;
     MTDAPAERPD PSVAGDADWA AQARPLLVHA DMRLRKRFDQ GEPIERLVAL RARAVDQLMR
     NAWTRCIPAD SGLSLHAVGG YGRGELFPRS DVDVLVLGDS VAQQRHEQHL SRLFALLWDV
     GLPISHAVRS PTQCMVAAAD QTVLTALIES RALVADAAAR AALAAAIAPQ RVWPPRDFFQ
     AKREELLARH QRFGDTADNL EPDIKDGPGG LRDLQTLGCM ALRAFGVKDV EALVGLGHVG
     CDEAAALRRE REELARLRFG LHIVANRPEE RLRFDYQKTL AERLGFADDL ESLGVEKMMQ
     RFYRSAALIR RISDRLLQRF EEQFDGEATP ESLGGGFSLR RGYLAADSDS WPGDDVLQVF
     ALFVHWAAHR EVRGLHSLTA RALAEVLREF PAYDVADATA RELFMALLRG TRAVETLNRM
     ARLGVLGQWI PAFASVSGRM QFDLFHVYTV DQHTLMVLRN IALFAAGRAD ERFSIAHEVW
     PRLRKPELLL LAGLFHDIAK GRGGDHSELG AVDTRAFCLA HRLSEGDTEL VTWLVEQHLR
     MSVTAQKQDI SDPEVIHRFA TLVGTRERLD YLYLLTCADI AGTSPKLWNA WKDRLLADLY
     FAARRALREG VEHPPPREER LREARESARA LMQAQGHDDA TIDRQFAGMP DENFLRFRPE
     QLAWQAASLI EVEIAQTLVK ARRAVPDNDA LEVFVYSPDR DGLFAAIVAT LDRKGYGIHR
     ARVLDAPHDA IFDVFEVLPR DTYADGDPQR LAATLRQVLA GDLQQVRPAR RAVPGQLRHF
     RFAPRVEFSE SADGRRTRIS LVAPDRPGLL ADVAHVLRVQ HLRVHDARIA TFGERAEDQF
     QITDEHDRPL SESARQALRD ALCACLDPV