ID   RELB_HAEIN              Reviewed;          98 AA.
AC   P71357;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   03-AUG-2022, entry version 96.
DE   RecName: Full=Putative antitoxin RelB;
GN   Name=relB {ECO:0000303|PubMed:15718296}; OrderedLocusNames=HI_0710;
OS   Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=71421;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=7542800; DOI=10.1126/science.7542800;
RA   Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA   Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA   McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA   Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA   Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA   Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA   Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA   Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT   "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT   Rd.";
RL   Science 269:496-512(1995).
RN   [2]
RP   POSSIBLE FUNCTION.
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=15718296; DOI=10.1093/nar/gki201;
RA   Pandey D.P., Gerdes K.;
RT   "Toxin-antitoxin loci are highly abundant in free-living but lost from
RT   host-associated prokaryotes.";
RL   Nucleic Acids Res. 33:966-976(2005).
CC   -!- FUNCTION: Antitoxin component of a type II toxin-antitoxin (TA) system.
CC       Its cognate toxin is YafQ (By similarity). {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the RelB/DinJ antitoxin family. {ECO:0000305}.
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DR   EMBL; L42023; AAC22377.1; -; Genomic_DNA.
DR   PIR; A64088; A64088.
DR   RefSeq; NP_438868.1; NC_000907.1.
DR   RefSeq; WP_005661259.1; NC_000907.1.
DR   AlphaFoldDB; P71357; -.
DR   SMR; P71357; -.
DR   STRING; 71421.HI_0710; -.
DR   EnsemblBacteria; AAC22377; AAC22377; HI_0710.
DR   KEGG; hin:HI_0710; -.
DR   PATRIC; fig|71421.8.peg.741; -.
DR   eggNOG; COG3077; Bacteria.
DR   HOGENOM; CLU_154558_10_1_6; -.
DR   OMA; NHHAGRA; -.
DR   BioCyc; HINF71421:G1GJ1-744-MON; -.
DR   Proteomes; UP000000579; Chromosome.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:InterPro.
DR   GO; GO:0006351; P:transcription, DNA-templated; IBA:GO_Central.
DR   Gene3D; 1.10.1220.10; -; 1.
DR   InterPro; IPR013321; Arc_rbn_hlx_hlx.
DR   InterPro; IPR007337; RelB/DinJ.
DR   PANTHER; PTHR38781; PTHR38781; 1.
DR   Pfam; PF04221; RelB; 1.
DR   TIGRFAMs; TIGR02384; RelB_DinJ; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Toxin-antitoxin system.
FT   CHAIN           1..98
FT                   /note="Putative antitoxin RelB"
FT                   /id="PRO_0000077949"
SQ   SEQUENCE   98 AA;  11015 MW;  9F972D5663423021 CRC64;
     MALTNSSISF RTVEKTKLEA YQVIEQYGLT PSQVFNMFLA QIAKTRSIPV DLNYLRPNKE
     TLAAIDELDS GNAESFFIEA SENYSAEEFT KRILNGGQ