ID GLND_COLP3 Reviewed; 878 AA. AC Q485H4; DT 08-NOV-2005, integrated into UniProtKB/Swiss-Prot. DT 13-SEP-2005, sequence version 1. DT 27-MAR-2024, entry version 115. 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}; GN OrderedLocusNames=CPS_1549; OS Colwellia psychrerythraea (strain 34H / ATCC BAA-681) (Vibrio OS psychroerythus). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales; OC Colwelliaceae; Colwellia. OX NCBI_TaxID=167879; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=34H / ATCC BAA-681; RX PubMed=16043709; DOI=10.1073/pnas.0504766102; RA Methe B.A., Nelson K.E., Deming J.W., Momen B., Melamud E., Zhang X., RA Moult J., Madupu R., Nelson W.C., Dodson R.J., Brinkac L.M., RA Daugherty S.C., Durkin A.S., DeBoy R.T., Kolonay J.F., Sullivan S.A., RA Zhou L., Davidsen T.M., Wu M., Huston A.L., Lewis M., Weaver B., RA Weidman J.F., Khouri H., Utterback T.R., Feldblyum T.V., Fraser C.M.; RT "The psychrophilic lifestyle as revealed by the genome sequence of RT Colwellia psychrerythraea 34H through genomic and proteomic analyses."; RL Proc. Natl. Acad. Sci. U.S.A. 102:10913-10918(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; Evidence={ECO:0000255|HAMAP- CC 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000083; AAZ26298.1; -; Genomic_DNA. DR RefSeq; WP_011042385.1; NC_003910.7. DR AlphaFoldDB; Q485H4; -. DR SMR; Q485H4; -. DR STRING; 167879.CPS_1549; -. DR KEGG; cps:CPS_1549; -. DR eggNOG; COG2844; Bacteria. DR HOGENOM; CLU_012833_0_0_6; -. DR Proteomes; UP000000547; 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; 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; 3.30.70.260; -; 1. DR Gene3D; 1.10.3210.10; Hypothetical protein af1432; 1. DR Gene3D; 1.20.120.330; Nucleotidyltransferases domain 2; 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; 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; ACT-like; 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; 2. DR PROSITE; PS51831; HD; 1. PE 3: Inferred from homology; KW Hydrolase; Magnesium; Multifunctional enzyme; Nucleotidyltransferase; KW Repeat; Transferase. FT CHAIN 1..878 FT /note="Bifunctional uridylyltransferase/uridylyl-removing FT enzyme" FT /id="PRO_0000192729" FT DOMAIN 460..582 FT /note="HD" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01175" FT DOMAIN 701..779 FT /note="ACT 1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00277" FT DOMAIN 809..878 FT /note="ACT 2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00277" FT REGION 1..342 FT /note="Uridylyltransferase" FT REGION 343..700 FT /note="Uridylyl-removing" SQ SEQUENCE 878 AA; 101844 MW; 90026DD7C373EF21 CRC64; MTSHPVSVHI VPSHFINQLA ISADFLSTRD ICQLSQSFNT WLKDVFIEND INDLLSARAV FVDAILKKLW CQHHLDEFQI TLIAVGGYGR GELHPQSDVD ILLLTQEEVD LELEEKISSF ITQLWDIKLD IGHSVRSIKE CLKQAVKEVT VATNLMEMRQ VAGNETLTQQ LTPLLSEDVF WTSEKFFIAK CKEQEARHQQ YRGAAYTLEP NLKANPGGLR DIQTIAWVAK RHFSADSLEE LVEHDYLYPN EFFELLESQD YLWRMRFALH FVAGRSENRL LFDYQADVAK MMGFGDEGKA PVERMMKRFF RIIARVTELN TMLLQHFEQA IIKKPELSNI SIINQDFELV DKLINTRNDR IFMRPVKMIE MFLIIAQEPG IKGIHSHTMR LMRNARRRLI SGLIDYAECR RMFMAIIRHP RGLGLALTLM HRHSILSSYL PLWRNIAGQM QFDLFHAYSV DEHSYRVIKN LHQFSQKEHN HKFPLCSKIV QKIRKPEVLY LAGFFHDIGK GRGGDHAKLG AVDALTFCLS HQLSKHDSNM VAWLVEHHLL MSVTAQRRDI NDENVIRTFG EIVRDEAHLN YLYCLTVADM RGTNESLWNN WKANLLEELY FNTLSAFRHG LEKPVEVRSK IRENQQQALA LLNENNVDEQ SIKALWREFR IDYFLRYSPE QIARQCQNIV EHDREKPLVL ISPIPYRGGT EVFIFTKEKN NTFASTVSFL VTKKLSIHDA KIITTKTGYT VNTFVVLDSR NKPLRERFYT KEMSQALVDR LQQVNICELP EPKLARHMKK FKVPLRVNFI KIHAKNRTMI EIIALDRPGL LSNISQVFLE ARVNIHSAKI TTFGEKADDV FTISTEEDDA LTTQEKEALA LRLTQEID //