ID A0A429XU07_9RICK Unreviewed; 328 AA.
AC A0A429XU07;
DT 08-MAY-2019, integrated into UniProtKB/TrEMBL.
DT 08-MAY-2019, sequence version 1.
DT 27-MAR-2024, entry version 17.
DE RecName: Full=Ribonucleoside-diphosphate reductase subunit beta {ECO:0000256|PIRNR:PIRNR000355};
DE EC=1.17.4.1 {ECO:0000256|PIRNR:PIRNR000355};
GN ORFNames=EIC27_00940 {ECO:0000313|EMBL:RST71314.1};
OS Candidatus Aquarickettsia rohweri.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales;
OC Candidatus Midichloriaceae; Aquarickettsia.
OX NCBI_TaxID=2602574 {ECO:0000313|EMBL:RST71314.1, ECO:0000313|Proteomes:UP000279470};
RN [1] {ECO:0000313|Proteomes:UP000279470}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=a_cerv_44 {ECO:0000313|Proteomes:UP000279470};
RA Klinges J.G., Rosales S.M., Mcminds R., Shaver E.C., Shantz A.,
RA Peters E.C., Burkepile D.E., Silliman B.R., Vega Thurber R.L.;
RT "Phylogenetic, genomic, and biogeographic characterization of a novel and
RT ubiquitous marine invertebrate-associated Rickettsiales parasite,
RT Candidatus Marinoinvertebrata rohwerii, gen. nov., sp. nov.";
RL Submitted (NOV-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Provides the precursors necessary for DNA synthesis.
CC Catalyzes the biosynthesis of deoxyribonucleotides from the
CC corresponding ribonucleotides. {ECO:0000256|PIRNR:PIRNR000355}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[thioredoxin]-disulfide + a 2'-deoxyribonucleoside 5'-
CC diphosphate + H2O = [thioredoxin]-dithiol + a ribonucleoside 5'-
CC diphosphate; Xref=Rhea:RHEA:23252, Rhea:RHEA-COMP:10698, Rhea:RHEA-
CC COMP:10700, ChEBI:CHEBI:15377, ChEBI:CHEBI:29950, ChEBI:CHEBI:50058,
CC ChEBI:CHEBI:57930, ChEBI:CHEBI:73316; EC=1.17.4.1;
CC Evidence={ECO:0000256|PIRNR:PIRNR000355};
CC -!- COFACTOR:
CC Name=Fe cation; Xref=ChEBI:CHEBI:24875;
CC Evidence={ECO:0000256|PIRNR:PIRNR000355,
CC ECO:0000256|PIRSR:PIRSR000355-2};
CC Note=Binds 2 iron ions per subunit. {ECO:0000256|PIRNR:PIRNR000355,
CC ECO:0000256|PIRSR:PIRSR000355-2};
CC -!- SIMILARITY: Belongs to the ribonucleoside diphosphate reductase small
CC chain family. {ECO:0000256|ARBA:ARBA00009303,
CC ECO:0000256|PIRNR:PIRNR000355}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RST71314.1}.
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DR EMBL; RXFM01000007; RST71314.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A429XU07; -.
DR OrthoDB; 9766544at2; -.
DR UniPathway; UPA00326; -.
DR Proteomes; UP000279470; Unassembled WGS sequence.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004748; F:ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor; IEA:UniProtKB-EC.
DR GO; GO:0009263; P:deoxyribonucleotide biosynthetic process; IEA:UniProtKB-KW.
DR CDD; cd01049; RNRR2; 1.
DR Gene3D; 1.10.620.20; Ribonucleotide Reductase, subunit A; 1.
DR InterPro; IPR009078; Ferritin-like_SF.
DR InterPro; IPR012348; RNR-like.
DR InterPro; IPR033909; RNR_small.
DR InterPro; IPR000358; RNR_small_fam.
DR PANTHER; PTHR23409; RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE SMALL CHAIN; 1.
DR PANTHER; PTHR23409:SF18; RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE SUBUNIT M2; 1.
DR Pfam; PF00268; Ribonuc_red_sm; 1.
DR PIRSF; PIRSF000355; NrdB; 1.
DR SUPFAM; SSF47240; Ferritin-like; 1.
PE 3: Inferred from homology;
KW Deoxyribonucleotide synthesis {ECO:0000256|PIRNR:PIRNR000355};
KW Iron {ECO:0000256|PIRNR:PIRNR000355, ECO:0000256|PIRSR:PIRSR000355-2};
KW Metal-binding {ECO:0000256|PIRNR:PIRNR000355,
KW ECO:0000256|PIRSR:PIRSR000355-2};
KW Oxidoreductase {ECO:0000256|PIRNR:PIRNR000355,
KW ECO:0000313|EMBL:RST71314.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000279470}.
FT ACT_SITE 105
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-1"
FT BINDING 67
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 98
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 98
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 101
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 158
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 192
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 195
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
SQ SEQUENCE 328 AA; 38764 MW; E4D34BDA27981009 CRC64;
MSLLTAEPIF KPFHYPWAYD AWKKQQQIHW LPEEVPMADD VQDWRKKLSE QEKHLLTQIF
RFFTQADIEV NNCYMNHYSK IFKPIEVQMM LSAFSNMETI HIDAYSHLLD TLGIPEVEYQ
AFMKYKEMKD KYDYMQQFNV DSKIDIAKTM AVFGAFTEGL QLFASFAMLL NFQRFGKMKG
MGQIVAWSVR DETLHTLSII KLFKTFISEN SEVWNDELKD FLYQACQDIV EHEDAFIDLA
FKFDGAIEGM DEHDIKSYIR FIADRRLKQL GLNPIYKIQK NPLSWLDEIL NAPEHTNFFE
NRVTEYAKSA TNGSWEDAFM IFKDADQK
//
