ID A0A2P8Q3P3_9ACTN Unreviewed; 639 AA.
AC A0A2P8Q3P3;
DT 23-MAY-2018, integrated into UniProtKB/TrEMBL.
DT 23-MAY-2018, sequence version 1.
DT 24-JAN-2024, entry version 22.
DE RecName: Full=Vitamin B12-dependent ribonucleotide reductase {ECO:0000256|RuleBase:RU364064};
DE EC=1.17.4.1 {ECO:0000256|RuleBase:RU364064};
GN ORFNames=C6Y14_22835 {ECO:0000313|EMBL:PSM40854.1};
OS Streptomyces dioscori.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces; Streptomyces aurantiacus group.
OX NCBI_TaxID=2109333 {ECO:0000313|EMBL:PSM40854.1, ECO:0000313|Proteomes:UP000240429};
RN [1] {ECO:0000313|EMBL:PSM40854.1, ECO:0000313|Proteomes:UP000240429}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=A217 {ECO:0000313|EMBL:PSM40854.1,
RC ECO:0000313|Proteomes:UP000240429};
RA Zhikuan W.;
RT "Streptomyces dioscori sp. nov., a novel endophytic actinobacterium
RT isolated from bulbil of Dioscorea bulbifera L.";
RL Submitted (MAR-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reduction of ribonucleotides to
CC deoxyribonucleotides. May function to provide a pool of
CC deoxyribonucleotide precursors for DNA repair during oxygen limitation
CC and/or for immediate growth after restoration of oxygen.
CC {ECO:0000256|RuleBase:RU364064}.
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|ARBA:ARBA00000206,
CC ECO:0000256|RuleBase:RU364064};
CC -!- COFACTOR:
CC Name=adenosylcob(III)alamin; Xref=ChEBI:CHEBI:18408;
CC Evidence={ECO:0000256|ARBA:ARBA00001922,
CC ECO:0000256|RuleBase:RU364064};
CC -!- SIMILARITY: Belongs to the ribonucleoside diphosphate reductase class-2
CC family. {ECO:0000256|ARBA:ARBA00007405, ECO:0000256|RuleBase:RU364064}.
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:PSM40854.1}.
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DR EMBL; PYBJ01000016; PSM40854.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2P8Q3P3; -.
DR Proteomes; UP000240429; Unassembled WGS sequence.
DR GO; GO:0005524; F:ATP binding; IEA:InterPro.
DR GO; GO:0031419; F:cobalamin 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 GO; GO:0071897; P:DNA biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0006260; P:DNA replication; IEA:InterPro.
DR CDD; cd02888; RNR_II_dimer; 1.
DR Gene3D; 3.20.70.20; -; 1.
DR InterPro; IPR000788; RNR_lg_C.
DR InterPro; IPR013509; RNR_lsu_N.
DR InterPro; IPR013344; RNR_NrdJ/NrdZ.
DR NCBIfam; TIGR02504; NrdJ_Z; 1.
DR PANTHER; PTHR43371:SF1; RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE; 1.
DR PANTHER; PTHR43371; VITAMIN B12-DEPENDENT RIBONUCLEOTIDE REDUCTASE; 1.
DR Pfam; PF02867; Ribonuc_red_lgC; 2.
DR Pfam; PF00317; Ribonuc_red_lgN; 1.
DR PRINTS; PR01183; RIBORDTASEM1.
DR SUPFAM; SSF51998; PFL-like glycyl radical enzymes; 1.
PE 3: Inferred from homology;
KW Cobalamin {ECO:0000256|ARBA:ARBA00022628, ECO:0000256|RuleBase:RU364064};
KW Cobalt {ECO:0000256|ARBA:ARBA00023285, ECO:0000256|RuleBase:RU364064};
KW Deoxyribonucleotide synthesis {ECO:0000256|ARBA:ARBA00023116};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW DNA synthesis {ECO:0000256|ARBA:ARBA00022634,
KW ECO:0000256|RuleBase:RU364064};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|RuleBase:RU364064};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU364064};
KW Reference proteome {ECO:0000313|Proteomes:UP000240429}.
FT DOMAIN 51..113
FT /note="Ribonucleotide reductase large subunit N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00317"
FT DOMAIN 116..432
FT /note="Ribonucleotide reductase large subunit C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02867"
FT DOMAIN 434..579
FT /note="Ribonucleotide reductase large subunit C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02867"
FT REGION 1..30
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 639 AA; 68422 MW; 5556A9AB5F4E5F9C CRC64;
MARAVRGRTA SRGDRLGGPE PCEGTPRSAR TTVNISVLEG KLGRRTATRT GSVRTETAEE
ILDRVAGTLG GVESRYTSAS AAHHWAARFR AMMAENRFLP SGRVLNNCGT RQGQLASCFV
LPLPDEFAGI FDTLGLAAAC HRTGGGTGFD LSALRESGAG ISSAEAAGAS GPVSWLHLFD
TETKVTMQGG KMRGANLASL SVRHPDIFAF LDAKARVGDL SNFNISVSVD DAFMRALAAG
EEIALVRPQD GRAVRTVPAA EIWERLAQNA WRTGDPGVLF PDTVNRANPL AGHLGPIRTT
NPCGEQTLYP YEASNLGSVN LAAFGRGGHI DWPALEQTVA DATRLLDNAI DASRYPDPRI
TGMAHANRRL GLGVMGFADL LVGLGIPYDS QSTLTLIDEL GSRIREVTRE ASRQLALERG
SFPNWEHTGW SRPARNCGIT TVAPTGTISM VAGCSAGIEP RFSAVWNKDV LTEDGVTFVD
EELLADVRRS TGLAAEDALD LVRTKALADL PLAAGARARY RYAHHISPAW HVRVAARWQR
HVDNAVSKTV NLPYSATASD AAEVYRLSWE LGCKGTSLYR QGSRDQDLME TRVAAETPGA
AEIRGAAEDR VSAEDRGSAE DRFRQSRALL AGRANTVVG
//
