DCTB_RHILE
ID DCTB_RHILE Reviewed; 622 AA.
AC P10047;
DT 01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-1989, sequence version 1.
DT 25-MAY-2022, entry version 130.
DE RecName: Full=C4-dicarboxylate transport sensor protein DctB;
DE EC=2.7.13.3;
GN Name=dctB;
OS Rhizobium leguminosarum.
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX NCBI_TaxID=384;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=3671068; DOI=10.1093/nar/15.19.7921;
RA Ronson C.W., Astwood P.M., Nixon B.T., Ausubel F.M.;
RT "Deduced products of C4-dicarboxylate transport regulatory genes of
RT Rhizobium leguminosarum are homologous to nitrogen regulatory gene
RT products.";
RL Nucleic Acids Res. 15:7921-7934(1987).
CC -!- FUNCTION: Member of the two-component regulatory system DctB/DctD
CC involved in the transport of C4-dicarboxylates. DctB functions as a
CC membrane-associated protein kinase that phosphorylates DctD in response
CC to environmental signals.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + protein L-histidine = ADP + protein N-phospho-L-
CC histidine.; EC=2.7.13.3;
CC -!- SUBCELLULAR LOCATION: Cell inner membrane; Multi-pass membrane protein.
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; X06253; CAA29595.1; -; Genomic_DNA.
DR EMBL; Z11529; CAA77619.1; -; Genomic_DNA.
DR PIR; A26981; A26981.
DR RefSeq; WP_018242999.1; NZ_WXXP01000006.1.
DR AlphaFoldDB; P10047; -.
DR SMR; P10047; -.
DR STRING; 936136.ARRT01000006_gene4359; -.
DR eggNOG; COG4191; Bacteria.
DR BRENDA; 2.7.13.3; 5343.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0000155; F:phosphorelay sensor kinase activity; IEA:InterPro.
DR CDD; cd00082; HisKA; 1.
DR Gene3D; 3.30.565.10; -; 1.
DR InterPro; IPR003594; HATPase_C.
DR InterPro; IPR036890; HATPase_C_sf.
DR InterPro; IPR005467; His_kinase_dom.
DR InterPro; IPR003661; HisK_dim/P.
DR InterPro; IPR036097; HisK_dim/P_sf.
DR InterPro; IPR029151; Sensor-like_sf.
DR InterPro; IPR004358; Sig_transdc_His_kin-like_C.
DR InterPro; IPR017055; Sig_transdc_His_kinase_DctB.
DR Pfam; PF02518; HATPase_c; 1.
DR Pfam; PF00512; HisKA; 1.
DR PIRSF; PIRSF036431; STHK_DctB; 1.
DR PRINTS; PR00344; BCTRLSENSOR.
DR SMART; SM00387; HATPase_c; 1.
DR SMART; SM00388; HisKA; 1.
DR SUPFAM; SSF103190; SSF103190; 1.
DR SUPFAM; SSF47384; SSF47384; 1.
DR SUPFAM; SSF55874; SSF55874; 1.
DR PROSITE; PS50109; HIS_KIN; 1.
PE 3: Inferred from homology;
KW ATP-binding; Cell inner membrane; Cell membrane; Kinase; Membrane;
KW Nucleotide-binding; Phosphoprotein; Transferase; Transmembrane;
KW Transmembrane helix; Two-component regulatory system.
FT CHAIN 1..622
FT /note="C4-dicarboxylate transport sensor protein DctB"
FT /id="PRO_0000074747"
FT TOPO_DOM 1..24
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255"
FT TRANSMEM 25..42
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TOPO_DOM 43..320
FT /note="Periplasmic"
FT TRANSMEM 321..338
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TOPO_DOM 339..622
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255"
FT DOMAIN 412..622
FT /note="Histidine kinase"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00107"
FT MOD_RES 415
FT /note="Phosphohistidine; by autocatalysis"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00107"
SQ SEQUENCE 622 AA; 67682 MW; 8FF3B97C2235058F CRC64;
MHKSAMSVSQ KLWPSLPLQH RIRRMWWTYA ALAFLAVVAS LWTSGEIGQH RAEAALEEQA
RMDVTLNAAL LRTVLEKYRA LPFVLSQDTA LAAALVGNDA GTFERLSQKL EILAAGTKAA
VIYVIDKDGI AVSASNWREP TSFVGNDYRF REYFQGAVER GQAEHFALGT VSKKPGLYIS
QRISGSNGLL GVVVVKVEFD DVEADWNASG TPSYVVDERG IVLITSLPSW RFMTIGRIAE
DRLTAIRESL QFGAAPLQPL PLDMVRNLGE GLDVVEIVMP GDAGKTRFLD VATSVPATGW
HLQHLVALGP SVDAGIREAR MLALLILLPL LAGAAFLLRR RHTIALRISS EQQAREELER
RVVERTLDLS QARDRLQAEI IGHKSTEQKL QAVQQDLVQA NRLAILGQVA AGVAHEINQP
VATIRAYADN ARTFLDRGQT APAGENLESI AALTERIGSI TEELKTFARK GRGSAEPTGL
KDVIEGAVML LRSRFAGRMD TLDIDLPPDE LQVMGNRIRL EQVLINLLQN ALEAVAPKAG
EGRVEIRTST DAGMVTVTVA DNGPGIPTEI RKGLFTPFNT SKESGLGLGL VISKDIVGDY
GGRMDVASDS GGTRFIVQLR KA