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UniProtKB/Swiss-Prot entry P0ABQ4


[Entry info] [Name and origin] [References] [Comments] [Cross-references] [Keywords] [Features] [Sequence] [Tools]

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Entry information
Entry name DYR_ECOLI
Primary accession number P0ABQ4
Secondary accession number P00379
Integrated into Swiss-Prot on July 21, 1986
Sequence was last modified on July 21, 1986 (Sequence version 1)
Annotations were last modified on    December 16, 2008 (Entry version 38)
Name and origin of the protein
Protein name Dihydrofolate reductase
Synonym EC 1.5.1.3
Gene name
Name: folA
Synonyms: tmrA
OrderedLocusNames: b0048, JW0047
From
Escherichia coli (strain K12) [TaxID: 83333] [HAMAP proteome]
Taxonomy Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales; Enterobacteriaceae; Escherichia.
Protein existence 1: Evidence at protein level;
References
[1]
PROTEIN SEQUENCE (ISOZYME 1).
STRAIN=B [RT500];
PubMed=320005 [NCBI, ExPASy, EBI, Israel, Japan]
Stone D., Phillips A.W., Burchall J.J.;
"The amino-acid sequence of the dihydrofolate reductase of a trimethoprim-resistant strain of Escherichia coli.";
Eur. J. Biochem. 72:613-624(1977).
[2]
PROTEIN SEQUENCE.
STRAIN=B [MB1428];
DOI=10.1021/bi00600a030; PubMed=350268 [NCBI, ExPASy, EBI, Israel, Japan]
Bennett C.D., Rodkey J.A., Sondey J.M., Hirschmann R.;
"Dihydrofolate reductase: the amino acid sequence of the enzyme from a methotrexate-resistant mutant of Escherichia coli.";
Biochemistry 17:1328-1337(1978).
[3]
NUCLEOTIDE SEQUENCE [GENOMIC DNA].
STRAIN=K12;
DOI=10.1093/nar/8.10.2255; PubMed=6159575 [NCBI, ExPASy, EBI, Israel, Japan]
Smith D.R., Calvo J.M.;
"Nucleotide sequence of the E coli gene coding for dihydrofolate reductase.";
Nucleic Acids Res. 8:2255-2274(1980).
[4]
PROTEIN SEQUENCE (ISOZYME 2).
STRAIN=B [RT500];
PubMed=7007370 [NCBI, ExPASy, EBI, Israel, Japan]
Baccanari D.P., Stone D., Kuyper L.;
"Effect of a single amino acid substitution on Escherichia coli dihydrofolate reductase catalysis and ligand binding.";
J. Biol. Chem. 256:1738-1747(1981).
[5]
NUCLEOTIDE SEQUENCE [GENOMIC DNA].
STRAIN=1810;
PubMed=3549289 [NCBI, ExPASy, EBI, Israel, Japan]
Flensburg J., Skoeld O.;
"Massive overproduction of dihydrofolate reductase in bacteria as a response to the use of trimethoprim.";
Eur. J. Biochem. 162:473-476(1987).
[6]
NUCLEOTIDE SEQUENCE [GENOMIC DNA].
STRAIN=K12;
DOI=10.1093/nar/20.13.3305; PubMed=1630901 [NCBI, ExPASy, EBI, Israel, Japan]
Yura T., Mori H., Nagai H., Nagata T., Ishihama A., Fujita N., Isono K., Mizobuchi K., Nakata A.;
"Systematic sequencing of the Escherichia coli genome: analysis of the 0-2.4 min region.";
Nucleic Acids Res. 20:3305-3308(1992).
[7]
NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
STRAIN=K12 / MG1655 / ATCC 47076;
DOI=10.1126/science.277.5331.1453; PubMed=9278503 [NCBI, ExPASy, EBI, Israel, Japan]
Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V., Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F., Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B., Shao Y.;
"The complete genome sequence of Escherichia coli K-12.";
Science 277:1453-1474(1997).
[8]
NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911;
DOI=10.1038/msb4100049; PubMed=16738553 [NCBI, ExPASy, EBI, Israel, Japan]
Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S., Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T.;
"Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110.";
Mol. Syst. Biol. 2:E1-E5(2006).
[9]
X-RAY CRYSTALLOGRAPHY (1.7 ANGSTROMS).
PubMed=6815179 [NCBI, ExPASy, EBI, Israel, Japan]
Filman D.J., Bolin J.T., Matthews D.A., Kraut J.;
"Crystal structures of Escherichia coli and Lactobacillus casei dihydrofolate reductase refined at 1.7-A resolution. II. Environment of bound NADPH and implications for catalysis.";
J. Biol. Chem. 257:13663-13672(1982).
[10]
X-RAY CRYSTALLOGRAPHY (2.4 ANGSTROMS).
DOI=10.1021/bi00465a018; PubMed=2185835 [NCBI, ExPASy, EBI, Israel, Japan]
Bystroff C., Oatley S.J., Kraut J.;
"Crystal structures of Escherichia coli dihydrofolate reductase: the NADP+ holoenzyme and the folate.NADP+ ternary complex. Substrate binding and a model for the transition state.";
Biochemistry 29:3263-3277(1990).
[11]
X-RAY CRYSTALLOGRAPHY (2.3 ANGSTROMS).
DOI=10.1021/bi00222a028; PubMed=1998681 [NCBI, ExPASy, EBI, Israel, Japan]
Bystroff C., Kraut J.;
"Crystal structure of unliganded Escherichia coli dihydrofolate reductase. Ligand-induced conformational changes and cooperativity in binding.";
Biochemistry 30:2227-2239(1991).
Comments
Copyright
Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms. Distributed under the Creative Commons Attribution-NoDerivs License.
Cross-references
Sequence databases
EMBL
J01609; AAA87976.1; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
X05108; CAA28755.1; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
U00096; AAC73159.1; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
AP009048; BAB96616.1; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
PIR A93704; RDECD.
RefSeq AP_000712.1; -.
NP_414590.1; -.
3D structure databases
PDB
1DDR; X-ray; 2.45 A; A/B=1-159.[ExPASy / RCSB / EBI]
1DDS; X-ray; 2.20 A; A/B=1-159.[ExPASy / RCSB / EBI]
1DHI; X-ray; 1.90 A; A/B=1-159.[ExPASy / RCSB / EBI]
1DHJ; X-ray; 1.80 A; A/B=1-159.[ExPASy / RCSB / EBI]
1DRA; X-ray; 1.90 A; A/B=1-159.[ExPASy / RCSB / EBI]
1DRB; X-ray; 1.96 A; A/B=1-159.[ExPASy / RCSB / EBI]
1DRE; X-ray; 2.60 A; A=1-159.[ExPASy / RCSB / EBI]
1DRH; X-ray; 2.30 A; A=1-159.[ExPASy / RCSB / EBI]
1DYH; X-ray; 1.90 A; A/B=1-159.[ExPASy / RCSB / EBI]
1DYI; X-ray; 1.90 A; A/B=1-159.[ExPASy / RCSB / EBI]
1DYJ; X-ray; 1.85 A; A/B=1-159.[ExPASy / RCSB / EBI]
1JOL; X-ray; 1.96 A; A/B=1-159.[ExPASy / RCSB / EBI]
1JOM; X-ray; 1.90 A; A=1-159.[ExPASy / RCSB / EBI]
1RA1; X-ray; 1.90 A; A=1-159.[ExPASy / RCSB / EBI]
1RA2; X-ray; 1.60 A; A=1-159.[ExPASy / RCSB / EBI]
1RA3; X-ray; 1.80 A; A=1-159.[ExPASy / RCSB / EBI]
1RA8; X-ray; 1.80 A; A=1-159.[ExPASy / RCSB / EBI]
1RA9; X-ray; 1.55 A; A=1-159.[ExPASy / RCSB / EBI]
1RB2; X-ray; 2.10 A; A/B=1-159.[ExPASy / RCSB / EBI]
1RB3; X-ray; 2.30 A; A/B=1-159.[ExPASy / RCSB / EBI]
1RC4; X-ray; 1.90 A; A=1-159.[ExPASy / RCSB / EBI]
1RD7; X-ray; 2.60 A; A/B=1-159.[ExPASy / RCSB / EBI]
1RE7; X-ray; 2.60 A; A/B=1-159.[ExPASy / RCSB / EBI]
1RF7; X-ray; 1.80 A; A=1-159.[ExPASy / RCSB / EBI]
1RG7; X-ray; 2.00 A; A=1-159.[ExPASy / RCSB / EBI]
1RH3; X-ray; 2.40 A; A=1-159.[ExPASy / RCSB / EBI]
1RX1; X-ray; 2.00 A; A=1-159.[ExPASy / RCSB / EBI]
1RX2; X-ray; 1.80 A; A=1-159.[ExPASy / RCSB / EBI]
1RX3; X-ray; 2.20 A; A=1-159.[ExPASy / RCSB / EBI]
1RX4; X-ray; 2.20 A; A=1-159.[ExPASy / RCSB / EBI]
1RX5; X-ray; 2.30 A; A=1-159.[ExPASy / RCSB / EBI]
1RX6; X-ray; 2.00 A; A=1-159.[ExPASy / RCSB / EBI]
1RX7; X-ray; 2.30 A; A=1-159.[ExPASy / RCSB / EBI]
1RX8; X-ray; 2.80 A; A=1-159.[ExPASy / RCSB / EBI]
1RX9; X-ray; 1.90 A; A=1-159.[ExPASy / RCSB / EBI]
1TDR; X-ray; 2.50 A; A/B=1-159.[ExPASy / RCSB / EBI]
2ANO; X-ray; 2.68 A; A=1-159.[ExPASy / RCSB / EBI]
2ANQ; X-ray; 2.13 A; A=1-159.[ExPASy / RCSB / EBI]
2D0K; X-ray; 1.90 A; A/B=1-159.[ExPASy / RCSB / EBI]
2DRC; X-ray; 1.90 A; A/B=1-159.[ExPASy / RCSB / EBI]
2INQ; Neutron; 2.20 A; A/B=1-159.[ExPASy / RCSB / EBI]
3DRC; X-ray; 1.90 A; A/B=1-159.[ExPASy / RCSB / EBI]
4DFR; X-ray; 1.70 A; A/B=1-159.[ExPASy / RCSB / EBI]
5DFR; X-ray; 2.30 A; A=1-159.[ExPASy / RCSB / EBI]
6DFR; X-ray; 2.40 A; A=1-159.[ExPASy / RCSB / EBI]
7DFR; X-ray; 2.50 A; A=1-159.[ExPASy / RCSB / EBI]
Detailed list of linked structures.
PDBsum 1DDR; -.
1DDS; -.
1DHI; -.
1DHJ; -.
1DRA; -.
1DRB; -.
1DRE; -.
1DRH; -.
1DYH; -.
1DYI; -.
1DYJ; -.
1JOL; -.
1JOM; -.
1RA1; -.
1RA2; -.
1RA3; -.
1RA8; -.
1RA9; -.
1RB2; -.
1RB3; -.
1RC4; -.
1RD7; -.
1RE7; -.
1RF7; -.
1RG7; -.
1RH3; -.
1RX1; -.
1RX2; -.
1RX3; -.
1RX4; -.
1RX5; -.
1RX6; -.
1RX7; -.
1RX8; -.
1RX9; -.
1TDR; -.
2ANO; -.
2ANQ; -.
2D0K; -.
2DRC; -.
2INQ; -.
3DRC; -.
4DFR; -.
5DFR; -.
6DFR; -.
7DFR; -.
ModBase P0ABQ4.
Enzyme and pathway databases
BioCyc EcoCyc:DIHYDROFOLATEREDUCT-MON; -.
MetaCyc:DIHYDROFOLATEREDUCT-MON; -.
2D gel databases
SWISS-2DPAGE P0ABQ4; -.
ECO2DBASE B020.0; 6TH EDITION.
Organism-specific databases
EchoBASE EB0322; -.
EcoGene EG10326; folA.
Ontologies
GO
GO:0004146; Molecular function: dihydrofolate reductase activity (inferred from electronic annotation from InterPro).
GO:0050661; Molecular function: NADP binding (inferred from electronic annotation from InterPro).
GO:0006545; Biological process: glycine biosynthetic process (inferred from electronic annotation from InterPro).
GO:0009165; Biological process: nucleotide biosynthetic process (inferred from electronic annotation from InterPro).
GO:0006730; Biological process: one-carbon compound metabolic process (inferred from electronic annotation from UniProtKB-KW).
GO:0055114; Biological process: oxidation reduction (inferred from electronic annotation from UniProtKB-KW).
GO:0046677; Biological process: response to antibiotic (inferred from electronic annotation from UniProtKB-KW).
GO:0031427; Biological process: response to methotrexate (inferred from electronic annotation from UniProtKB-KW).
QuickGo view.
Family and domain databases
InterPro IPR012259; DHFR.
IPR001796; DHFR_reg.
Graphical view of domain structure.
PANTHER PTHR11549:SF1; DHFR; 1.
Pfam PF00186; DHFR_1; 1.
Pfam graphical view of domain structure.
PRINTS PR00070; DHFR.
PROSITE PS00075; DHFR_1; 1.
PS51330; DHFR_2; 1.
PROSITE graphical view of domain structure (profiles).
Genome annotation databases
GeneID 944790; -.
GenomeReviews AP009048_GR; JW0047.
U00096_GR; b0048.
KEGG ecj:JW0047; -.
eco:b0048; -.
Phylogenomic databases
HOGENOM P0ABQ4; -.
Other
BindingDB P0ABQ4; -.
LinkHub P0ABQ4; -.
Genome annotation databases
CMR P0ABQ4; b0048.
Other
ProtoNet P0ABQ4.
UniRef View cluster of proteins with at least 50% / 90% / 100% identity.
Keywords
3D-structure; Antibiotic resistance; Complete proteome; Direct protein sequencing; Methotrexate resistance; NADP; One-carbon metabolism; Oxidoreductase; Trimethoprim resistance.
Features
SEVIEWER logo Feature table viewer FT aligner logo Feature aligner
KeyFrom   To Length Description FTId
CHAIN   1   159  159     Dihydrofolate reductase. PRO_0000186387
DOMAIN   1   158  158     DHFR. 
VARIANT   28    28  1     L -> R (in strain: B[RT500] isozyme 2). 
VARIANT   30    30  1     W -> G (in strain: 1810). 
VARIANT   154   154  1     E -> K (in strain: B[MB1428]). 
VARIANT   154   154  1     E -> Q (in strain: 1810). 
STRAND   2     8  7      
HELIX   10    12  3      
HELIX   25    35  11      
STRAND   38    43  6      
HELIX   44    50  7      
STRAND   57    62  6      
STRAND   70    76  7      
HELIX   78    85  8      
STRAND   91    95  5      
HELIX   98   101  4      
HELIX   104   106  3      
STRAND   107   115  9      
HELIX   130   132  3      
STRAND   133   141  9      
STRAND   151   158  8      
Sequence information
Length: 159 AA [This is the length of the unprocessed precursor] Molecular weight: 17999 Da [This is the MW of the unprocessed precursor] CRC64: 6A03CDCD7F5F8562 [This is a checksum on the sequence]
        10         20         30         40         50         60 
MISLIAALAV DRVIGMENAM PWNLPADLAW FKRNTLNKPV IMGRHTWESI GRPLPGRKNI 

        70         80         90        100        110        120 
ILSSQPGTDD RVTWVKSVDE AIAACGDVPE IMVIGGGRVY EQFLPKAQKL YLTHIDAEVE 

       130        140        150 
GDTHFPDYEP DDWESVFSEF HDADAQNSHS YCFEILERR 

P0ABQ4 in FASTA format

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View entry in raw text format (no links)
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BLAST logo BLAST submission on ExPASy/SIB
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Tools Sequence analysis tools: ProtParam, ProtScale, Compute pI/Mw, PeptideMass, PeptideCutter, Dotlet (Java)
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