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GLND_AZOVD
ID   GLND_AZOVD              Reviewed;         899 AA.
AC   C1DSU8;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 77.
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=Avin_39010;
OS   Azotobacter vinelandii (strain DJ / ATCC BAA-1303).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Azotobacter.
OX   NCBI_TaxID=322710;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DJ / ATCC BAA-1303;
RX   PubMed=19429624; DOI=10.1128/jb.00504-09;
RA   Setubal J.C., Dos Santos P., Goldman B.S., Ertesvaag H., Espin G.,
RA   Rubio L.M., Valla S., Almeida N.F., Balasubramanian D., Cromes L.,
RA   Curatti L., Du Z., Godsy E., Goodner B., Hellner-Burris K., Hernandez J.A.,
RA   Houmiel K., Imperial J., Kennedy C., Larson T.J., Latreille P., Ligon L.S.,
RA   Lu J., Maerk M., Miller N.M., Norton S., O'Carroll I.P., Paulsen I.,
RA   Raulfs E.C., Roemer R., Rosser J., Segura D., Slater S., Stricklin S.L.,
RA   Studholme D.J., Sun J., Viana C.J., Wallin E., Wang B., Wheeler C., Zhu H.,
RA   Dean D.R., Dixon R., Wood D.;
RT   "Genome sequence of Azotobacter vinelandii, an obligate aerobe specialized
RT   to support diverse anaerobic metabolic processes.";
RL   J. Bacteriol. 191:4534-4545(2009).
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 fixation and metabolism.
CC       {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; CP001157; ACO80041.1; -; Genomic_DNA.
DR   RefSeq; WP_012702416.1; NC_012560.1.
DR   AlphaFoldDB; C1DSU8; -.
DR   SMR; C1DSU8; -.
DR   STRING; 322710.Avin_39010; -.
DR   EnsemblBacteria; ACO80041; ACO80041; Avin_39010.
DR   KEGG; avn:Avin_39010; -.
DR   eggNOG; COG2844; Bacteria.
DR   HOGENOM; CLU_012833_0_0_6; -.
DR   OMA; WIAKYVY; -.
DR   OrthoDB; 162558at2; -.
DR   Proteomes; UP000002424; 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:0009399; P:nitrogen fixation; IEA:UniProtKB-UniRule.
DR   GO; GO:0006808; P:regulation of nitrogen utilization; IEA:UniProtKB-UniRule.
DR   CDD; cd00077; HDc; 1.
DR   Gene3D; 3.30.460.10; -; 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; 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; 1.
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; Nitrogen fixation;
KW   Nucleotidyltransferase; Repeat; Transferase.
FT   CHAIN           1..899
FT                   /note="Bifunctional uridylyltransferase/uridylyl-removing
FT                   enzyme"
FT                   /id="PRO_1000204797"
FT   DOMAIN          461..583
FT                   /note="HD"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01175"
FT   DOMAIN          706..789
FT                   /note="ACT 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00277"
FT   DOMAIN          816..899
FT                   /note="ACT 2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00277"
FT   REGION          1..342
FT                   /note="Uridylyltransferase"
FT   REGION          343..705
FT                   /note="Uridylyl-removing"
SQ   SEQUENCE   899 AA;  102580 MW;  96AF63BC5EDE3C9D CRC64;
     MPQVDPDLFD PGQFQAELAL KSSPIPAYKK ALRCAREVLD ARFQEGRDIR RLIEDRAWFV
     DQILALAWNR FDWSEDADIA LIAVGGYGRG ELHPYSDIDL LILMDGADHE VFREPIEGFL
     TLLWDIGLEV GQSVRSLAEC AEEAQADLTV ITNLMESRTI AGPEHLRQRM QEVTSAQRMW
     PSRAFFLAKR DEQKTRHARY NDTEYNLEPN VKGSPGGLRD IQTLLWIARR QFGTINLHAM
     VGQGFLLESE YTLLASSQEF LWKVRYALHM LAGRAEDRLL FDLQRQIAGL LGYEDSDAKL
     AVERFMQKYY RVVLGIAELT ELVFQHFEEV ILPGDAAGRV EPLNERFQVR DGYLEVTHAG
     VFQETPSALL EIFVLLARRP EIRGVRADTI RLLRDHRYLI DDAFRRDPHN TGLFIELFKS
     RQGIHRNLRR MNRYGILGRY LPEFGHIVGQ MQHDLFHIYT VDAHTLNLIK NLRKLFWPEL
     AEKYPLASKL IEKLPKPELI YLAGLYHDIG KGRGGDHSEL GAADALAFCQ RHDLPAMDTQ
     LIVWLVRNHL LMSTTAQRKD LSDPQVIFDF AQKVRDQTYL DYLYVLTVAD INATNPTLWN
     SWRASLLRQL YTETKHALRR GLEQPVGREE QIRQTQKAAL DILVRSGTDP DDAEHLWTQL
     GDDYFLRHTS SDIAWHTEAI LQHPSSGGPL VLIKETTQRE FEGATQIFIY APDQHDFFAV
     TVAAMDQLNL SIHDARVITS TSQFTLDTYI VLDADGGSIG NNPARIQEIR QGLVEALRNP
     ADYPTIIQRR VPRQLKHFAF APQVTIQNDA LRPVTILEII APDRPGLLAR IGKIFLDFDL
     SLQNAKIATL GERVEDVFFV TDAHNQPLSD PELCARLQLA IAEQLADGDS YIQPSRISI
 
 
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