EXPG_RHIME
ID EXPG_RHIME Reviewed; 194 AA.
AC P96440; Q53002; Q9X7L6;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-1997, sequence version 1.
DT 25-MAY-2022, entry version 117.
DE RecName: Full=Exopolysaccharide II synthesis transcriptional activator ExpG;
GN Name=expG; Synonyms=mucS; OrderedLocusNames=RB0893; ORFNames=SMb21317;
OS Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS meliloti).
OG Plasmid pSymB (megaplasmid 2).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX NCBI_TaxID=266834;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=1021;
RX PubMed=8672816; DOI=10.1094/mpmi-9-0395;
RA Astete S.G., Leigh J.A.;
RT "mucS, a gene involved in activation of galactoglucan (EPS II) synthesis
RT gene expression in Rhizobium meliloti.";
RL Mol. Plant Microbe Interact. 9:395-400(1996).
RN [2]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=RCR2011 / SU47;
RX PubMed=9023225; DOI=10.1128/jb.179.4.1375-1384.1997;
RA Becker A., Rueberg S., Kuester H., Roxlau A.A., Keller M., Ivashina T.,
RA Cheng H., Walker G.C., Puehler A.;
RT "The 32-kilobase exp gene cluster of Rhizobium meliloti directing the
RT biosynthesis of galactoglucan: genetic organization and properties of the
RT encoded gene products.";
RL J. Bacteriol. 179:1375-1384(1997).
RN [3]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=EFB1;
RX PubMed=9501442; DOI=10.1128/aem.64.3.1024-1028.1998;
RA Lloret J., Wulff B.B.H., Rubio J.M., Downie J.A., Bonilla I., Rivilla R.;
RT "Exopolysaccharide II production is regulated by salt in the halotolerant
RT strain Rhizobium meliloti EFB1.";
RL Appl. Environ. Microbiol. 64:1024-1028(1998).
RN [4]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=1021;
RX PubMed=11481431; DOI=10.1073/pnas.161294698;
RA Finan T.M., Weidner S., Wong K., Buhrmester J., Chain P., Vorhoelter F.J.,
RA Hernandez-Lucas I., Becker A., Cowie A., Gouzy J., Golding B., Puehler A.;
RT "The complete sequence of the 1,683-kb pSymB megaplasmid from the N2-fixing
RT endosymbiont Sinorhizobium meliloti.";
RL Proc. Natl. Acad. Sci. U.S.A. 98:9889-9894(2001).
RN [5]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=1021;
RX PubMed=11474104; DOI=10.1126/science.1060966;
RA Galibert F., Finan T.M., Long S.R., Puehler A., Abola P., Ampe F.,
RA Barloy-Hubler F., Barnett M.J., Becker A., Boistard P., Bothe G.,
RA Boutry M., Bowser L., Buhrmester J., Cadieu E., Capela D., Chain P.,
RA Cowie A., Davis R.W., Dreano S., Federspiel N.A., Fisher R.F., Gloux S.,
RA Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M., Hernandez-Lucas I.,
RA Hong A., Huizar L., Hyman R.W., Jones T., Kahn D., Kahn M.L., Kalman S.,
RA Keating D.H., Kiss E., Komp C., Lelaure V., Masuy D., Palm C., Peck M.C.,
RA Pohl T.M., Portetelle D., Purnelle B., Ramsperger U., Surzycki R.,
RA Thebault P., Vandenbol M., Vorhoelter F.J., Weidner S., Wells D.H.,
RA Wong K., Yeh K.-C., Batut J.;
RT "The composite genome of the legume symbiont Sinorhizobium meliloti.";
RL Science 293:668-672(2001).
CC -!- FUNCTION: Transcriptional activator of genes for galactoglucan
CC synthesis (exopolysaccharide II or EPS II).
CC -!- SEQUENCE CAUTION:
CC Sequence=AAC44137.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; U51475; AAC44137.1; ALT_INIT; Genomic_DNA.
DR EMBL; Z79692; CAB01941.1; -; Genomic_DNA.
DR EMBL; Y08703; CAB41454.1; -; Genomic_DNA.
DR EMBL; AL591985; CAC49293.1; -; Genomic_DNA.
DR PIR; E95953; E95953.
DR RefSeq; NP_437433.1; NC_003078.1.
DR RefSeq; WP_003529010.1; NC_003078.1.
DR AlphaFoldDB; P96440; -.
DR SMR; P96440; -.
DR STRING; 266834.SM_b21317; -.
DR EnsemblBacteria; CAC49293; CAC49293; SM_b21317.
DR GeneID; 25012784; -.
DR GeneID; 61600864; -.
DR KEGG; sme:SM_b21317; -.
DR PATRIC; fig|266834.11.peg.5821; -.
DR eggNOG; COG1846; Bacteria.
DR HOGENOM; CLU_109241_0_0_5; -.
DR OMA; ITHFELA; -.
DR Proteomes; UP000001976; Plasmid pSymB.
DR CollecTF; EXPREG_00000c20; -.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:InterPro.
DR Gene3D; 1.10.10.10; -; 1.
DR InterPro; IPR000835; HTH_MarR-typ.
DR InterPro; IPR023187; Tscrpt_reg_MarR-type_CS.
DR InterPro; IPR036388; WH-like_DNA-bd_sf.
DR InterPro; IPR036390; WH_DNA-bd_sf.
DR Pfam; PF12802; MarR_2; 1.
DR SMART; SM00347; HTH_MARR; 1.
DR SUPFAM; SSF46785; SSF46785; 1.
DR PROSITE; PS01117; HTH_MARR_1; 1.
DR PROSITE; PS50995; HTH_MARR_2; 1.
PE 4: Predicted;
KW Activator; DNA-binding; Plasmid; Reference proteome; Transcription;
KW Transcription regulation.
FT CHAIN 1..194
FT /note="Exopolysaccharide II synthesis transcriptional
FT activator ExpG"
FT /id="PRO_0000054353"
FT DOMAIN 49..184
FT /note="HTH marR-type"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00345"
FT VARIANT 9
FT /note="I -> M (in strain: EFB1)"
FT VARIANT 21..22
FT /note="AI -> SV (in strain: EFB1)"
FT VARIANT 29
FT /note="Q -> M (in strain: EFB1)"
FT VARIANT 34..40
FT /note="DTPVDDR -> ETLAADQ (in strain: EFB1)"
FT VARIANT 44
FT /note="D -> N (in strain: EFB1)"
FT VARIANT 52
FT /note="L -> Q (in strain: EFB1)"
FT VARIANT 77
FT /note="E -> D (in strain: EFB1)"
FT VARIANT 92
FT /note="E -> D (in strain: EFB1)"
FT VARIANT 142
FT /note="E -> V (in strain: EFB1)"
FT VARIANT 147
FT /note="L -> V (in strain: EFB1)"
FT VARIANT 153
FT /note="Q -> E (in strain: EFB1)"
FT VARIANT 166
FT /note="D -> E (in strain: EFB1)"
SQ SEQUENCE 194 AA; 21785 MW; F8F71B85D819C08D CRC64;
MERGMNHRIL YPFADFGDTV AILPANETQR KGLDTPVDDR DGDDSLVTYF ELARVMERAS
RRFSGLLRAE LTKLGVEDIG PAQAMVLLAI GEAELSVGEL LDRGHYVGSN ISYYLKQLAD
GDYIDRIASQ RDKRSARIRL SEKGRQLCAG LRQAAKGYER ALSHGDQDRR NLETAFQTLH
RLELVWGNAA RYGI
