ID   FOLD1_COLP3             Reviewed;         282 AA.
AC   Q47ZE0;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   16-JUN-2009, entry version 23.
DE   RecName: Full=Bifunctional protein folD 1;
DE   Includes:
DE     RecName: Full=Methylenetetrahydrofolate dehydrogenase;
DE              EC=1.5.1.5;
DE   Includes:
DE     RecName: Full=Methenyltetrahydrofolate cyclohydrolase;
DE              EC=3.5.4.9;
GN   Name=folD1; OrderedLocusNames=CPS_3133;
OS   Colwellia psychrerythraea (strain 34H / ATCC BAA-681) (Vibrio
OS   psychroerythus).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Colwelliaceae; Colwellia.
OX   NCBI_TaxID=167879;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16043709; DOI=10.1073/pnas.0504766102;
RA   Methe B.A., Nelson K.E., Deming J.W., Momen B., Melamud E., Zhang X.,
RA   Moult J., Madupu R., Nelson W.C., Dodson R.J., Brinkac L.M.,
RA   Daugherty S.C., Durkin A.S., DeBoy R.T., Kolonay J.F., Sullivan S.A.,
RA   Zhou L., Davidsen T.M., Wu M., Huston A.L., Lewis M., Weaver B.,
RA   Weidman J.F., Khouri H., Utterback T.R., Feldblyum T.V., Fraser C.M.;
RT   "The psychrophilic lifestyle as revealed by the genome sequence of
RT   Colwellia psychrerythraea 34H through genomic and proteomic
RT   analyses.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:10913-10918(2005).
CC   -!- FUNCTION: Catalyzes the oxidation of 5,10-
CC       methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and
CC       then the hydrolysis of 5,10-methenyltetrahydrofolate to 10-
CC       formyltetrahydrofolate (By similarity).
CC   -!- CATALYTIC ACTIVITY: 5,10-methylenetetrahydrofolate + NADP(+) =
CC       5,10-methenyltetrahydrofolate + NADPH.
CC   -!- CATALYTIC ACTIVITY: 5,10-methenyltetrahydrofolate + H(2)O = 10-
CC       formyltetrahydrofolate.
CC   -!- PATHWAY: One-carbon metabolism; tetrahydrofolate pathway.
CC   -!- SUBUNIT: Homodimer (By similarity).
CC   -!- SIMILARITY: Belongs to the tetrahydrofolate
CC       dehydrogenase/cyclohydrolase family.
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DR   EMBL; CP000083; AAZ27235.1; -; Genomic_DNA.
DR   RefSeq; YP_269830.1; -.
DR   GeneID; 3521491; -.
DR   GenomeReviews; CP000083_GR; CPS_3133.
DR   KEGG; cps:CPS_3133; -.
DR   NMPDR; fig|167879.3.peg.2562; -.
DR   TIGR; CPS_3133; -.
DR   HOGENOM; Q47ZE0; -.
DR   OMA; Q47ZE0; GFGRMAM.
DR   BioCyc; CPSY167879:CPS_3133-MON; -.
DR   GO; GO:0005488; F:binding; IEA:InterPro.
DR   GO; GO:0004477; F:methenyltetrahydrofolate cyclohydrolase act...; IEA:HAMAP.
DR   GO; GO:0004488; F:methylenetetrahydrofolate dehydrogenase (NA...; IEA:HAMAP.
DR   GO; GO:0009396; P:folic acid and derivative biosynthetic process; IEA:InterPro.
DR   GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0006730; P:one-carbon compound metabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0055114; P:oxidation reduction; IEA:UniProtKB-KW.
DR   GO; GO:0006164; P:purine nucleotide biosynthetic process; IEA:UniProtKB-KW.
DR   HAMAP; MF_01576; -; 1.
DR   InterPro; IPR016040; NAD(P)-bd_dom.
DR   InterPro; IPR000672; THF_DH/CycHdrlase.
DR   Gene3D; G3DSA:3.40.50.720; NAD(P)-bd; 1.
DR   Pfam; PF00763; THF_DHG_CYH; 1.
DR   Pfam; PF02882; THF_DHG_CYH_C; 1.
DR   PRINTS; PR00085; THFDHDRGNASE.
DR   ProDom; PD002300; THFDhg/Cyc_hydro; 1.
DR   PROSITE; PS00766; THF_DHG_CYH_1; FALSE_NEG.
DR   PROSITE; PS00767; THF_DHG_CYH_2; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Complete proteome; Histidine biosynthesis;
KW   Hydrolase; Methionine biosynthesis; Multifunctional enzyme; NADP;
KW   One-carbon metabolism; Oxidoreductase; Purine biosynthesis.
FT   CHAIN         1    282       Bifunctional protein folD 1.
FT                                /FTId=PRO_0000268321.
SQ   SEQUENCE   282 AA;  30433 MW;  0C3FF2EA50C87F4F CRC64;
     MSALILDGKS VTKKSEEDLR SRVARLKELS NGAVPILATI LVGNDPSSAT YVKMKSNACT
     RVGMDSLKVE MSEETTTEEL LAEIAKLNAN PNIHGILLQH PVPPQINERQ CFDSIDLSKD
     VDGVTCWGFG RMAMNETSYG SATPKGIIRI LEAYDIQLEG KHAVVVGRSP ILGKPMAMML
     LNKNCTVTIC HSKTVGLDKI IKTADIVVGA VGKPEFIKAD WIKDDAVVID AGYHEGGIGD
     IELQPLMSRV KAYTPVPGGV GPMTINTLIY QTVEACELKL AQ
//