ID A6FBT1_9GAMM Unreviewed; 853 AA.
AC A6FBT1;
DT 24-JUL-2007, integrated into UniProtKB/TrEMBL.
DT 24-JUL-2007, sequence version 1.
DT 24-JAN-2024, entry version 90.
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 ORFNames=PE36_16865 {ECO:0000313|EMBL:EDM67353.1};
OS Moritella sp. PE36.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Moritellaceae; Moritella.
OX NCBI_TaxID=58051 {ECO:0000313|EMBL:EDM67353.1, ECO:0000313|Proteomes:UP000004278};
RN [1] {ECO:0000313|EMBL:EDM67353.1, ECO:0000313|Proteomes:UP000004278}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PE36 {ECO:0000313|EMBL:EDM67353.1,
RC ECO:0000313|Proteomes:UP000004278};
RA Yayanos A., Ferriera S., Johnson J., Kravitz S., Halpern A., Remington K.,
RA Beeson K., Tran B., Rogers Y.-H., Friedman R., Venter J.C.;
RL Submitted (JUN-2007) to the EMBL/GenBank/DDBJ databases.
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 -!- 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}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00277}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EDM67353.1}.
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DR EMBL; ABCQ01000013; EDM67353.1; -; Genomic_DNA.
DR AlphaFoldDB; A6FBT1; -.
DR STRING; 58051.PE36_16865; -.
DR Proteomes; UP000004278; Unassembled WGS sequence.
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; cd04900; ACT_UUR-like_1; 1.
DR CDD; cd05401; NT_GlnE_GlnD_like; 1.
DR Gene3D; 1.10.3090.10; cca-adding enzyme, domain 2; 1.
DR HAMAP; MF_00277; PII_uridylyl_transf; 1.
DR InterPro; IPR002912; ACT_dom.
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; PF08335; GlnD_UR_UTase; 1.
DR Pfam; PF01909; NTP_transf_2; 1.
DR PIRSF; PIRSF006288; PII_uridyltransf; 1.
DR SUPFAM; SSF81301; Nucleotidyltransferase; 1.
DR SUPFAM; SSF81593; Nucleotidyltransferase substrate binding subunit/domain; 1.
DR SUPFAM; SSF81891; Poly A polymerase C-terminal region-like; 1.
DR PROSITE; PS51671; ACT; 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|HAMAP-Rule:MF_00277};
KW Nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_00277,
KW ECO:0000313|EMBL:EDM67353.1};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00277, ECO:0000313|EMBL:EDM67353.1}.
FT DOMAIN 678..755
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT REGION 1..321
FT /note="Uridylyltransferase"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00277"
SQ SEQUENCE 853 AA; 98105 MW; F76EC69CAC7D4FBA CRC64;
METSGAELRR RIAQFDLELN QKFYTDSIQS LMEKRSKFFD QLLIALWCSF ELDESVLSIN
AVGGYGRKRL HPQSDIDLAI ISDGKMPKDI EEKLSCFVTK LWDLGIDIGH SVRTFEESIQ
LAAEDITIAT NLLDIRPLQG PSSHASMLKD TLFQNKIWTS KAFFHAKLTE QESRHKNAKN
TALYLEPNLK NNPGGMRDVQ TIHWIAQKHF LIDNPNTIES TGFLTSEETS ELLESYDFVC
RVRWALHSVV NRPQEILLFD HQSAVAEFMR FGGDDNTQHA IESMMGYLFT AMTRIRELNQ
MLSDSFQFDI LKHQPKQPER IIDEYFMVRN NLIEARYKEI FIDKRQVLRL FLLIAKHKDI
NGIAPETLRL LRQTRRILLG ELSCYQGCRE EFIALLQQPN GLKTSFSLMH RYGILASYFS
HWKQIEGQMQ YDMHNAYTID EHTCKAVQAI DSFSSDFNDK SFIYNVNQQI KDRDSLILAT
LCHHISGKQA VENSQLSAII AKEFAEIHQL KNSSIKLVYW LVANQDLLIG TIQTQDITDP
NVIKQLAKQV GSVDKLNALY VFTVADMIAT NEQYWNEWHE CQLEQLYLST RDALRQGIEN
IFEVRTLIRE NKNDATSKLT NMGWSEQDIA SLWSTLPKHF FSSNSVDEIV CITEQILKRS
VKQDMIYISD SLSPSATCLI VYTKDRPKLF VDIFNTLATA KLKIKDAQIM QTKDGMVLEI
IKLLDSKNEP ITEKDRLDKI VIRVEKSINN EISYNNLPTP KFVKNFENTA VVEFLKSTKK
NKSLLKINTL DDPCYMEEIC SVFSQSDLTI HSAKISSLGE STENVFLISK NSGEQITKEE
QTHLNELLVC RIA
//