ID A0A077JKF9_9CYAN Unreviewed; 179 AA.
AC A0A077JKF9;
DT 29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 29-OCT-2014, sequence version 1.
DT 13-SEP-2023, entry version 42.
DE RecName: Full=Transcriptional repressor NrdR {ECO:0000256|HAMAP-Rule:MF_00440};
GN Name=nrdR {ECO:0000256|HAMAP-Rule:MF_00440,
GN ECO:0000313|EMBL:BAP18093.1};
GN ORFNames=ETSB_1342 {ECO:0000313|EMBL:BAP18093.1};
OS cyanobacterium endosymbiont of Epithemia turgida isolate EtSB Lake Yunoko.
OC Bacteria; Cyanobacteriota.
OX NCBI_TaxID=1228987 {ECO:0000313|EMBL:BAP18093.1, ECO:0000313|Proteomes:UP000031625};
RN [1] {ECO:0000313|EMBL:BAP18093.1, ECO:0000313|Proteomes:UP000031625}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ETSB Lake Yunoko {ECO:0000313|EMBL:BAP18093.1};
RX PubMed=25049384; DOI=10.1073/pnas.1405222111;
RA Nakayama T., Kamikawa R., Tanifuji G., Kashiyama Y., Ohkouchi N.,
RA Archibald J.M., Inagaki Y.;
RT "Complete genome of a nonphotosynthetic cyanobacterium in a diatom reveals
RT recent adaptations to an intracellular lifestyle.";
RL Proc. Natl. Acad. Sci. U.S.A. 111:11407-11412(2014).
CC -!- FUNCTION: Negatively regulates transcription of bacterial
CC ribonucleotide reductase nrd genes and operons by binding to NrdR-
CC boxes. {ECO:0000256|HAMAP-Rule:MF_00440}.
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00440};
CC Note=Binds 1 zinc ion. {ECO:0000256|HAMAP-Rule:MF_00440};
CC -!- SIMILARITY: Belongs to the NrdR family. {ECO:0000256|HAMAP-
CC Rule:MF_00440}.
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; AP012549; BAP18093.1; -; Genomic_DNA.
DR RefSeq; WP_044106909.1; NZ_AP012549.1.
DR AlphaFoldDB; A0A077JKF9; -.
DR STRING; 1228987.ETSB_1342; -.
DR KEGG; ceo:ETSB_1342; -.
DR HOGENOM; CLU_108412_0_0_3; -.
DR OrthoDB; 9807461at2; -.
DR Proteomes; UP000031625; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0045892; P:negative regulation of DNA-templated transcription; IEA:UniProtKB-UniRule.
DR HAMAP; MF_00440; NrdR; 1.
DR InterPro; IPR005144; ATP-cone_dom.
DR InterPro; IPR003796; RNR_NrdR-like.
DR NCBIfam; TIGR00244; transcriptional regulator NrdR; 1.
DR PANTHER; PTHR30455; TRANSCRIPTIONAL REPRESSOR NRDR; 1.
DR PANTHER; PTHR30455:SF2; TRANSCRIPTIONAL REPRESSOR NRDR; 1.
DR Pfam; PF03477; ATP-cone; 1.
DR PROSITE; PS51161; ATP_CONE; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00440};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|HAMAP-
KW Rule:MF_00440}; Metal-binding {ECO:0000256|HAMAP-Rule:MF_00440};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00440};
KW Repressor {ECO:0000256|ARBA:ARBA00022491, ECO:0000256|HAMAP-Rule:MF_00440};
KW Transcription {ECO:0000256|ARBA:ARBA00023163, ECO:0000256|HAMAP-
KW Rule:MF_00440};
KW Transcription regulation {ECO:0000256|ARBA:ARBA00023015, ECO:0000256|HAMAP-
KW Rule:MF_00440}; Zinc {ECO:0000256|HAMAP-Rule:MF_00440};
KW Zinc-finger {ECO:0000256|HAMAP-Rule:MF_00440}.
FT DOMAIN 49..139
FT /note="ATP-cone"
FT /evidence="ECO:0000259|PROSITE:PS51161"
FT ZN_FING 3..34
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00440"
FT REGION 151..179
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 165..179
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 179 AA; 20866 MW; 06C9F321BD358D8F CRC64;
MQCPYCQHIN SRVLESRSSE GGQSIRRRRE CLGCKHRFTT YERVEFFPII VVKHDGKKES
FDRSKLLRAI IRACEKTGIS HQRLESIVDE IEAQLQQHPR REVTSQEVGQ LVLDYLRQEN
EVAYIRFASV YGRFQGIKDF VATLEQFQEQ KTHSETHWQE DNHNTSDKGT SSSSMITSS
//