ID E5B840_ERWAM Unreviewed; 801 AA.
AC E5B840;
DT 08-FEB-2011, integrated into UniProtKB/TrEMBL.
DT 08-FEB-2011, sequence version 1.
DT 24-JAN-2024, entry version 66.
DE RecName: Full=Bifunctional uridylyltransferase/uridylyl-removing enzyme {ECO:0000256|HAMAP-Rule:MF_00277};
DE Short=UTase/UR {ECO:0000256|HAMAP-Rule:MF_00277};
DE AltName: Full=Bifunctional [protein-PII] modification enzyme {ECO:0000256|HAMAP-Rule:MF_00277};
DE AltName: Full=Bifunctional nitrogen sensor protein {ECO:0000256|HAMAP-Rule:MF_00277};
DE Includes:
DE RecName: Full=[Protein-PII] uridylyltransferase {ECO:0000256|HAMAP-Rule:MF_00277};
DE Short=PII uridylyltransferase {ECO:0000256|HAMAP-Rule:MF_00277};
DE Short=UTase {ECO:0000256|HAMAP-Rule:MF_00277};
DE EC=2.7.7.59 {ECO:0000256|HAMAP-Rule:MF_00277};
DE Includes:
DE RecName: Full=[Protein-PII]-UMP uridylyl-removing enzyme {ECO:0000256|HAMAP-Rule:MF_00277};
DE Short=UR {ECO:0000256|HAMAP-Rule:MF_00277};
DE EC=3.1.4.- {ECO:0000256|HAMAP-Rule:MF_00277};
GN Name=glnD {ECO:0000256|HAMAP-Rule:MF_00277,
GN ECO:0000313|EMBL:CBX81645.1};
GN ORFNames=EAIL5_2825 {ECO:0000313|EMBL:CBX81645.1};
OS Erwinia amylovora ATCC BAA-2158.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Erwinia.
OX NCBI_TaxID=889211 {ECO:0000313|EMBL:CBX81645.1};
RN [1] {ECO:0000313|EMBL:CBX81645.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=ATCC BAA-2158 {ECO:0000313|EMBL:CBX81645.1};
RA Powney R., Smits T.H., Sawbridge T., Frey B., Blom J., Frey J.E.,
RA Plummer K.M., Beer S.V., Luck J., Duffy B., Rodoni B.;
RT "Genome Sequence of an Erwinia amylovora Strain with Pathogenicity
RT Restricted to Rubus Plants.";
RL J. Bacteriol. 193:785-786(2011).
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 metabolism.
CC {ECO:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_00277};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine 3',5'-bis(diphosphate) + H2O = diphosphate + GDP +
CC H(+); Xref=Rhea:RHEA:14253, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:33019, ChEBI:CHEBI:58189, ChEBI:CHEBI:77828; EC=3.1.7.2;
CC Evidence={ECO:0000256|ARBA:ARBA00024273};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00277};
CC -!- ACTIVITY REGULATION: Uridylyltransferase (UTase) activity is inhibited
CC by glutamine, while glutamine activates uridylyl-removing (UR)
CC activity. {ECO:0000256|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:0000256|HAMAP-Rule:MF_00277}.
CC -!- SIMILARITY: Belongs to the GlnD family. {ECO:0000256|HAMAP-
CC Rule:MF_00277}.
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DR EMBL; FR719195; CBX81645.1; -; Genomic_DNA.
DR AlphaFoldDB; E5B840; -.
DR GO; GO:0008773; F:[protein-PII] uridylyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008893; F:guanosine-3',5'-bis(diphosphate) 3'-diphosphatase activity; IEA:RHEA.
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; cd04899; ACT_ACR-UUR-like_2; 1.
DR CDD; cd04900; ACT_UUR-like_1; 1.
DR CDD; cd00077; HDc; 1.
DR CDD; cd05401; NT_GlnE_GlnD_like; 1.
DR Gene3D; 1.10.3210.10; Hypothetical protein af1432; 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 NCBIfam; TIGR01693; UTase_glnD; 1.
DR PANTHER; PTHR47320; BIFUNCTIONAL URIDYLYLTRANSFERASE/URIDYLYL-REMOVING ENZYME; 1.
DR PANTHER; PTHR47320:SF1; BIFUNCTIONAL URIDYLYLTRANSFERASE/URIDYLYL-REMOVING ENZYME; 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; ACT-like; 2.
DR SUPFAM; SSF109604; HD-domain/PDEase-like; 1.
DR SUPFAM; SSF81301; Nucleotidyltransferase; 1.
DR SUPFAM; SSF81593; Nucleotidyltransferase substrate binding subunit/domain; 1.
DR PROSITE; PS51671; ACT; 2.
DR PROSITE; PS51831; HD; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00277};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00277};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268, ECO:0000256|HAMAP-
KW Rule:MF_00277};
KW Nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_00277,
KW ECO:0000313|EMBL:CBX81645.1}; Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00277}.
FT DOMAIN 379..501
FT /note="HD"
FT /evidence="ECO:0000259|PROSITE:PS51831"
FT DOMAIN 620..701
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT DOMAIN 727..801
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT REGION 1..260
FT /note="Uridylyltransferase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00277"
FT REGION 261..619
FT /note="Uridylyl-removing"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00277"
SQ SEQUENCE 801 AA; 92493 MW; 8B7A51C4760057B4 CRC64;
MAVGGYGRGE LHPLSDIDVL ILSRQPLSDS DAQRASELLT LMWDLKLEVG HSVRTLEECL
LEGLSDLTVA TNLIESRMLT GDLALFLEMQ KNVFSDGFWP SDRFFAAKIA EQRERHQRYH
GTSYNLEPDI KSSPGGLRDI HTLLWVARRH FGATSMVEMV GFGFLTVAER NELNECQSFL
WRIRFALHLS LVRYDNRLLF DRQLNVARRL NYQGESNEPV ERMMKDFFRV TRRVSELNQM
LLQLFDEAIL ALGADEKPRA IDDEFQLRGA LIDLRDETLF TRQPEAIMRM FYTMVRTPQI
TGIYSTTLRH LRHARRHLKR PLCAIAEARE LFMAILRHPG AVSRALLPMH RHSVLWAYMP
QWSSIVGQMQ FDLFHAYTVD EHTIRVLQKL ESFADESVRP RHPLCVELWP RLPQPELLLM
AALFHDIAKG RGGDHSILGA QDALEFAEMH GLNSRETQLV AWLVRHHLLM SVTAQRRDIQ
DPSEIQQFAE AMQNENRLRY LVCLTVADIC ATNETLWNSW KQSLLRELFF ATEKQLRRGM
ENSPDLRERV RHHRLQALAL LRMDNIDEQA LHRIWGRCRA DYFLRHTPNQ LAWHARHLLV
HDLGKPLVLV SPLATRGGTE IFIWSPDRPY LFAAVVGELE RRNLSVHDAQ IFTSRDGMAM
DTFIVLEPDG SPLATDRHEA TRHALEQAIC QTDWQPPRAR RQSARLRHFN VETAVNFLPT
HTDRRTYLEL VALDQPGFLA RVGEVFADLG VSLHGARIST IGERVEDLFI LADSERRALN
TELREVLQQR LTKALNPNDK V
//