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GLND_BRASO
ID   GLND_BRASO              Reviewed;         931 AA.
AC   A4YKP3;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 92.
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=BRADO0530;
OS   Bradyrhizobium sp. (strain ORS 278).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Bradyrhizobium; unclassified Bradyrhizobium.
OX   NCBI_TaxID=114615;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ORS 278;
RX   PubMed=17540897; DOI=10.1126/science.1139548;
RA   Giraud E., Moulin L., Vallenet D., Barbe V., Cytryn E., Avarre J.-C.,
RA   Jaubert M., Simon D., Cartieaux F., Prin Y., Bena G., Hannibal L.,
RA   Fardoux J., Kojadinovic M., Vuillet L., Lajus A., Cruveiller S., Rouy Z.,
RA   Mangenot S., Segurens B., Dossat C., Franck W.L., Chang W.-S., Saunders E.,
RA   Bruce D., Richardson P., Normand P., Dreyfus B., Pignol D., Stacey G.,
RA   Emerich D., Vermeglio A., Medigue C., Sadowsky M.;
RT   "Legumes symbioses: absence of nod genes in photosynthetic bradyrhizobia.";
RL   Science 316:1307-1312(2007).
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; CU234118; CAL74469.1; -; Genomic_DNA.
DR   RefSeq; WP_011923740.1; NC_009445.1.
DR   AlphaFoldDB; A4YKP3; -.
DR   SMR; A4YKP3; -.
DR   STRING; 114615.BRADO0530; -.
DR   EnsemblBacteria; CAL74469; CAL74469; BRADO0530.
DR   KEGG; bra:BRADO0530; -.
DR   eggNOG; COG2844; Bacteria.
DR   HOGENOM; CLU_012833_1_0_5; -.
DR   OMA; WIAKYVY; -.
DR   OrthoDB; 162558at2; -.
DR   BioCyc; BSP114615:BRADO_RS02490-MON; -.
DR   Proteomes; UP000001994; 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   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; 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; Nitrogen fixation;
KW   Nucleotidyltransferase; Reference proteome; Repeat; Transferase.
FT   CHAIN           1..931
FT                   /note="Bifunctional uridylyltransferase/uridylyl-removing
FT                   enzyme"
FT                   /id="PRO_1000022328"
FT   DOMAIN          499..622
FT                   /note="HD"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01175"
FT   DOMAIN          740..822
FT                   /note="ACT 1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00277"
FT   DOMAIN          851..931
FT                   /note="ACT 2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00277"
FT   REGION          1..383
FT                   /note="Uridylyltransferase"
FT   REGION          384..739
FT                   /note="Uridylyl-removing"
SQ   SEQUENCE   931 AA;  104696 MW;  EF1CED6FAB25A7D4 CRC64;
     MDSVATDSKA FTSADFDSAG IAAAVDALAK QHSGREDMFR AAVVQFLKAE LVKARAAAQA
     QLLQDRHGRH CAERLCVVQD EIIRILYAAA TEHLYRSDVP SGAERMAVVA TGGYGRGLMA
     PESDIDLLFI LPYKQTAWGE QVAEAILYSL WDMGLKVGHA TRSVDESIRQ ARGDMTIRTA
     ILETRYLAGD KPLYDELVQR FDTEVVQGTA AEFVAAKLAE REERHRRGGQ SRYLVEPNVK
     DGKGGLRDLH TLFWIAKYVY RVRETAELVE RGVFDAHEYR TFRRCSDFLW SVRCNLHFVS
     GRPEERLSFD LQREIAVRLG YTSHPGMQDV ERFMKHYFLV AKQVGNLTAI LCAKLEDQQA
     KAAPVLSRMI SRLTTGSTWR RVPESDDFIV DNNRINLAAP DVFKHDPVNL IRIFRLAQKN
     NLAFHPDAMR AVTRSLNMIN AELRENPEAN RLFMEILTSN DAETVLRRMN ETGVLGHFIS
     AFGRIVSMMQ FNMYHHYTVD EHLIRCIGFL QEIERGGHDE FVLASDLMRK IRPEHRAVIY
     ITVLLHDVAK GRPEDHSVAG AKIARRLCPR LGFNNADTEL VAWLIEEHLT MSTVAQSRDL
     SDRRTIEKFA AVVQSVEQMK LLTILTTADI RGVGPGVWNG WKAQLLRTLY YETEPVLTGG
     FSEVNRAKRI TAAQAEFRNA FTDWPEDELN TYIGRHYPAY WLKVELPRKI RHARFVRSSE
     DAGHKLAINV GFDPARGVTE LTIFAMDHPW LLSIIAGACA SAGANIVDAQ IYTTTDGRAL
     DTIAISREYE RDEDEGRRAT RIGETIEQVL EGKLRLPDAV ARRTTRGKQH KAFSVEPEVS
     INNQWSELYT VIEVSGLDRP GLLYELTTAI SKLNLNIASA HVATFGERAR DVFYVTDLLG
     AQINAPTRQA AIKSALLHLL ASEDAAAQPA A
 
 
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