ID A0A1H7ZR53_STRJI Unreviewed; 252 AA.
AC A0A1H7ZR53;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 33.
DE RecName: Full=Flavin-dependent thymidylate synthase {ECO:0000256|HAMAP-Rule:MF_01408};
DE Short=FDTS {ECO:0000256|HAMAP-Rule:MF_01408};
DE EC=2.1.1.148 {ECO:0000256|HAMAP-Rule:MF_01408};
DE AltName: Full=FAD-dependent thymidylate synthase {ECO:0000256|HAMAP-Rule:MF_01408};
DE AltName: Full=Thymidylate synthase ThyX {ECO:0000256|HAMAP-Rule:MF_01408};
DE Short=TS {ECO:0000256|HAMAP-Rule:MF_01408};
DE Short=TSase {ECO:0000256|HAMAP-Rule:MF_01408};
GN Name=thyX {ECO:0000256|HAMAP-Rule:MF_01408};
GN ORFNames=SAMN05414137_1374 {ECO:0000313|EMBL:SEM60756.1};
OS Streptacidiphilus jiangxiensis.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptacidiphilus.
OX NCBI_TaxID=235985 {ECO:0000313|EMBL:SEM60756.1, ECO:0000313|Proteomes:UP000183015};
RN [1] {ECO:0000313|Proteomes:UP000183015}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 45096 / BCRC 16803 / CGMCC 4.1857 / CIP 109030 / JCM 12277
RC / KCTC 19219 / NBRC 100920 / 33214
RC {ECO:0000313|Proteomes:UP000183015};
RA Varghese N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reductive methylation of 2'-deoxyuridine-5'-
CC monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP) while
CC utilizing 5,10-methylenetetrahydrofolate (mTHF) as the methyl donor,
CC and NADPH and FADH(2) as the reductant. {ECO:0000256|HAMAP-
CC Rule:MF_01408}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + dUMP + H(+) +
CC NADPH = (6S)-5,6,7,8-tetrahydrofolate + dTMP + NADP(+);
CC Xref=Rhea:RHEA:29043, ChEBI:CHEBI:15378, ChEBI:CHEBI:15636,
CC ChEBI:CHEBI:57453, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC ChEBI:CHEBI:63528, ChEBI:CHEBI:246422; EC=2.1.1.148;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01408};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01408};
CC Note=Binds 4 FAD per tetramer. Each FAD binding site is formed by three
CC monomers. {ECO:0000256|HAMAP-Rule:MF_01408};
CC -!- PATHWAY: Pyrimidine metabolism; dTTP biosynthesis. {ECO:0000256|HAMAP-
CC Rule:MF_01408}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_01408}.
CC -!- SIMILARITY: Belongs to the thymidylate synthase ThyX family.
CC {ECO:0000256|HAMAP-Rule:MF_01408}.
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DR EMBL; FOAZ01000037; SEM60756.1; -; Genomic_DNA.
DR RefSeq; WP_042460412.1; NZ_FOAZ01000037.1.
DR AlphaFoldDB; A0A1H7ZR53; -.
DR STRING; 235985.SAMN05414137_1374; -.
DR eggNOG; COG1351; Bacteria.
DR OrthoDB; 9774464at2; -.
DR UniPathway; UPA00575; -.
DR Proteomes; UP000183015; Unassembled WGS sequence.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0050797; F:thymidylate synthase (FAD) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006231; P:dTMP biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006235; P:dTTP biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR CDD; cd20175; ThyX; 1.
DR Gene3D; 3.30.1360.170; -; 1.
DR HAMAP; MF_01408; ThyX; 1.
DR InterPro; IPR003669; Thymidylate_synthase_ThyX.
DR InterPro; IPR036098; Thymidylate_synthase_ThyX_sf.
DR NCBIfam; TIGR02170; thyX; 1.
DR PANTHER; PTHR34934; FLAVIN-DEPENDENT THYMIDYLATE SYNTHASE; 1.
DR PANTHER; PTHR34934:SF1; FLAVIN-DEPENDENT THYMIDYLATE SYNTHASE; 1.
DR Pfam; PF02511; Thy1; 1.
DR SUPFAM; SSF69796; Thymidylate synthase-complementing protein Thy1; 1.
DR PROSITE; PS51331; THYX; 1.
PE 3: Inferred from homology;
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|HAMAP-Rule:MF_01408};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630, ECO:0000256|HAMAP-
KW Rule:MF_01408};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_01408};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_01408};
KW Nucleotide biosynthesis {ECO:0000256|ARBA:ARBA00022727, ECO:0000256|HAMAP-
KW Rule:MF_01408}; Reference proteome {ECO:0000313|Proteomes:UP000183015};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01408}.
FT ACT_SITE 206
FT /note="Involved in ionization of N3 of dUMP, leading to its
FT activation"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 75
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /ligand_note="ligand shared between neighboring subunits"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 95..98
FT /ligand="dUMP"
FT /ligand_id="ChEBI:CHEBI:246422"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 98..100
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /ligand_note="ligand shared between neighboring subunits"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 107..111
FT /ligand="dUMP"
FT /ligand_id="ChEBI:CHEBI:246422"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 107
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /ligand_note="ligand shared between neighboring subunits"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 179
FT /ligand="dUMP"
FT /ligand_id="ChEBI:CHEBI:246422"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 195..197
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /ligand_note="ligand shared between neighboring subunits"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 201
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /ligand_note="ligand shared between neighboring subunits"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
FT BINDING 206
FT /ligand="dUMP"
FT /ligand_id="ChEBI:CHEBI:246422"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01408"
SQ SEQUENCE 252 AA; 28909 MW; BCEA35B0CAD3D1D1 CRC64;
MIERNLPLSD ETPTPQPTFR DDVTVELVRS SAQDADVLFA ARVSTAGEQS LEELQKDPER
SKGLINFLMR DRHGTPFEHN SMTFFVSAPI FVFREFHRHR AGWSYNEESG RYRELQPVFY
VPSAERKLVQ QGRPGKYEFF EGTPEQYKAV TEAMEDSYRQ SYDRYQEMLA AGVAREVARA
VLPVGLFSSM YATCNARSLM HFLSLRTKDE RAAVPTFPQR EIEMVAEKME QLWSGLMPLT
HGAFNTHGRV AP
//
