ID   DYR_STAAS               Reviewed;         159 AA.
AC   Q6G9D5;
DT   20-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   16-JUN-2009, entry version 35.
DE   RecName: Full=Dihydrofolate reductase;
DE            Short=DHFR;
DE            EC=1.5.1.3;
GN   Name=folA; OrderedLocusNames=SAS1369;
OS   Staphylococcus aureus (strain MSSA476).
OC   Bacteria; Firmicutes; Bacillales; Staphylococcus.
OX   NCBI_TaxID=282459;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=15213324; DOI=10.1073/pnas.0402521101;
RA   Holden M.T.G., Feil E.J., Lindsay J.A., Peacock S.J., Day N.P.J.,
RA   Enright M.C., Foster T.J., Moore C.E., Hurst L., Atkin R., Barron A.,
RA   Bason N., Bentley S.D., Chillingworth C., Chillingworth T.,
RA   Churcher C., Clark L., Corton C., Cronin A., Doggett J., Dowd L.,
RA   Feltwell T., Hance Z., Harris B., Hauser H., Holroyd S., Jagels K.,
RA   James K.D., Lennard N., Line A., Mayes R., Moule S., Mungall K.,
RA   Ormond D., Quail M.A., Rabbinowitsch E., Rutherford K.M., Sanders M.,
RA   Sharp S., Simmonds M., Stevens K., Whitehead S., Barrell B.G.,
RA   Spratt B.G., Parkhill J.;
RT   "Complete genomes of two clinical Staphylococcus aureus strains:
RT   evidence for the rapid evolution of virulence and drug resistance.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9786-9791(2004).
CC   -!- CATALYTIC ACTIVITY: 5,6,7,8-tetrahydrofolate + NADP(+) = 7,8-
CC       dihydrofolate + NADPH.
CC   -!- PATHWAY: Cofactor biosynthesis; tetrahydrofolate biosynthesis;
CC       tetrahydrofolate from dihydrofolate: step 1/1.
CC   -!- MISCELLANEOUS: The reaction catalyzed by this enzyme represents an
CC       essential step for de novo glycine and purine synthesis, DNA
CC       precursor synthesis, and for the conversion of dUMP to dTMP.
CC   -!- SIMILARITY: Belongs to the dihydrofolate reductase family.
CC   -!- SIMILARITY: Contains 1 DHFR (dihydrofolate reductase) domain.
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DR   EMBL; BX571857; CAG43145.1; -; Genomic_DNA.
DR   RefSeq; YP_043488.1; -.
DR   GeneID; 2862453; -.
DR   GenomeReviews; BX571857_GR; SAS1369.
DR   KEGG; sas:SAS1369; -.
DR   HOGENOM; Q6G9D5; -.
DR   OMA; Q6G9D5; HANAMYL.
DR   BioCyc; SAUR282459:SAS1369-MON; -.
DR   GO; GO:0004146; F:dihydrofolate reductase activity; IEA:EC.
DR   GO; GO:0050661; F:NADP or NADPH binding; IEA:InterPro.
DR   GO; GO:0006545; P:glycine biosynthetic process; IEA:InterPro.
DR   GO; GO:0009165; P:nucleotide biosynthetic process; IEA:InterPro.
DR   GO; GO:0006730; P:one-carbon compound metabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0055114; P:oxidation reduction; IEA:UniProtKB-KW.
DR   InterPro; IPR012259; DHFR.
DR   InterPro; IPR001796; DHFR_reg.
DR   InterPro; IPR017925; Dihydrofolate_reductase_CS.
DR   PANTHER; PTHR11549:SF1; DHFR; 1.
DR   Pfam; PF00186; DHFR_1; 1.
DR   PRINTS; PR00070; DHFR.
DR   PROSITE; PS00075; DHFR_1; 1.
DR   PROSITE; PS51330; DHFR_2; 1.
PE   3: Inferred from homology;
KW   Complete proteome; NADP; One-carbon metabolism; Oxidoreductase.
FT   INIT_MET      1      1       Removed (By similarity).
FT   CHAIN         2    159       Dihydrofolate reductase.
FT                                /FTId=PRO_0000186410.
FT   DOMAIN        2    157       DHFR.
SQ   SEQUENCE   159 AA;  18233 MW;  321B48938DC9E7A9 CRC64;
     MTLSILVAHD LQRVIGFENQ LPWHLPNDLK HVKKLSTGHT LVMGRKTFES IGKPLPNRRN
     VVLTSDTSFN VVGVDVIHSI EDIYQLPGHV FIFGGQILFE EMIDKVDDMY ITVIEGKFRG
     DTFFPPYTFE DWEVASSVEG KLDEKNTIPH TFLHLIRKK
//