位置:首页 > 蛋白库 > FUMC_ECOLI
FUMC_ECOLI
ID   FUMC_ECOLI              Reviewed;         467 AA.
AC   P05042; P76891;
DT   13-AUG-1987, integrated into UniProtKB/Swiss-Prot.
DT   13-AUG-1987, sequence version 1.
DT   03-AUG-2022, entry version 194.
DE   RecName: Full=Fumarate hydratase class II {ECO:0000255|HAMAP-Rule:MF_00743, ECO:0000303|PubMed:3282546};
DE            Short=Fumarase C {ECO:0000255|HAMAP-Rule:MF_00743, ECO:0000303|PubMed:3541901};
DE            EC=4.2.1.2 {ECO:0000255|HAMAP-Rule:MF_00743, ECO:0000269|PubMed:1917897, ECO:0000269|PubMed:3282546};
DE   AltName: Full=Aerobic fumarase {ECO:0000255|HAMAP-Rule:MF_00743, ECO:0000303|PubMed:7592392};
DE   AltName: Full=Iron-independent fumarase {ECO:0000255|HAMAP-Rule:MF_00743, ECO:0000303|PubMed:3282546};
GN   Name=fumC {ECO:0000255|HAMAP-Rule:MF_00743, ECO:0000303|PubMed:3541901};
GN   OrderedLocusNames=b1611, JW1603;
OS   Escherichia coli (strain K12).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=K12;
RX   PubMed=3541901; DOI=10.1042/bj2370547;
RA   Woods S.A., Miles J.S., Roberts R.E., Guest J.R.;
RT   "Structural and functional relationships between fumarase and aspartase.
RT   Nucleotide sequences of the fumarase (fumC) and aspartase (aspA) genes of
RT   Escherichia coli K12.";
RL   Biochem. J. 237:547-557(1986).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911;
RX   PubMed=9097039; DOI=10.1093/dnares/3.6.363;
RA   Aiba H., Baba T., Fujita K., Hayashi K., Inada T., Isono K., Itoh T.,
RA   Kasai H., Kashimoto K., Kimura S., Kitakawa M., Kitagawa M., Makino K.,
RA   Miki T., Mizobuchi K., Mori H., Mori T., Motomura K., Nakade S.,
RA   Nakamura Y., Nashimoto H., Nishio Y., Oshima T., Saito N., Sampei G.,
RA   Seki Y., Sivasundaram S., Tagami H., Takeda J., Takemoto K., Takeuchi Y.,
RA   Wada C., Yamamoto Y., Horiuchi T.;
RT   "A 570-kb DNA sequence of the Escherichia coli K-12 genome corresponding to
RT   the 28.0-40.1 min region on the linkage map.";
RL   DNA Res. 3:363-377(1996).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / MG1655 / ATCC 47076;
RX   PubMed=9278503; DOI=10.1126/science.277.5331.1453;
RA   Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V.,
RA   Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F.,
RA   Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B.,
RA   Shao Y.;
RT   "The complete genome sequence of Escherichia coli K-12.";
RL   Science 277:1453-1462(1997).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911;
RX   PubMed=16738553; DOI=10.1038/msb4100049;
RA   Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S.,
RA   Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T.;
RT   "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655
RT   and W3110.";
RL   Mol. Syst. Biol. 2:E1-E5(2006).
RN   [5]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-89.
RX   PubMed=6328431; DOI=10.1093/nar/12.8.3631;
RA   Miles J.S., Guest J.R.;
RT   "Complete nucleotide sequence of the fumarase gene fumA, of Escherichia
RT   coli.";
RL   Nucleic Acids Res. 12:3631-3642(1984).
RN   [6]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-89.
RX   PubMed=3005475; DOI=10.1099/00221287-131-11-2971;
RA   Guest J.R., Miles J.S., Roberts R.E., Woods S.A.;
RT   "The fumarase genes of Escherichia coli: location of the fumB gene and
RT   discovery of a new gene (fumC).";
RL   J. Gen. Microbiol. 131:2971-2984(1985).
RN   [7]
RP   PROTEIN SEQUENCE OF 1-20, FUNCTION, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL
RP   PROPERTIES, ACTIVITY REGULATION, AND SUBUNIT.
RX   PubMed=1917897; DOI=10.1093/oxfordjournals.jbchem.a123448;
RA   Ueda Y., Yumoto N., Tokushige M., Fukui K., Ohya-Nishiguchi H.;
RT   "Purification and characterization of two types of fumarase from
RT   Escherichia coli.";
RL   J. Biochem. 109:728-733(1991).
RN   [8]
RP   PROTEIN SEQUENCE OF 1-15, FUNCTION, AND SUBUNIT.
RX   PubMed=8496960; DOI=10.1006/jmbi.1993.1264;
RA   Weaver T.M., Levitt D.G., Banaszak L.J.;
RT   "Purification and crystallization of fumarase C from Escherichia coli.";
RL   J. Mol. Biol. 231:141-144(1993).
RN   [9]
RP   FUNCTION, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL PROPERTIES, INDUCTION, AND
RP   SUBUNIT.
RX   PubMed=3282546; DOI=10.1016/0167-4838(88)90050-7;
RA   Woods S.A., Shwartzbach S.D., Guest J.R.;
RT   "Two biochemically distinct classes of fumarase in Escherichia coli.";
RL   Biochim. Biophys. Acta 954:14-26(1988).
RN   [10]
RP   FUNCTION, AND INDUCTION.
RX   PubMed=7592392; DOI=10.1128/jb.177.21.6255-6262.1995;
RA   Park S.J., Gunsalus R.P.;
RT   "Oxygen, iron, carbon, and superoxide control of the fumarase fumA and fumC
RT   genes of Escherichia coli: role of the arcA, fnr, and soxR gene products.";
RL   J. Bacteriol. 177:6255-6262(1995).
RN   [11]
RP   IDENTIFICATION BY 2D-GEL.
RX   PubMed=9298644; DOI=10.1002/elps.1150180805;
RA   VanBogelen R.A., Abshire K.Z., Moldover B., Olson E.R., Neidhardt F.C.;
RT   "Escherichia coli proteome analysis using the gene-protein database.";
RL   Electrophoresis 18:1243-1251(1997).
RN   [12]
RP   MUTAGENESIS OF ARG-126; LYS-127 AND HIS-129.
RX   PubMed=14990798; DOI=10.1073/pnas.0307524101;
RA   Rose I.A., Weaver T.M.;
RT   "The role of the allosteric B site in the fumarase reaction.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:3393-3397(2004).
RN   [13]
RP   DISRUPTION PHENOTYPE.
RX   PubMed=17222132; DOI=10.1111/j.1462-2920.2006.01143.x;
RA   Domka J., Lee J., Bansal T., Wood T.K.;
RT   "Temporal gene-expression in Escherichia coli K-12 biofilms.";
RL   Environ. Microbiol. 9:332-346(2007).
RN   [14]
RP   REACTION MECHANISM.
RX   PubMed=22551392; DOI=10.1021/bi300430j;
RA   Puthan Veetil V., Fibriansah G., Raj H., Thunnissen A.M., Poelarends G.J.;
RT   "Aspartase/fumarase superfamily: a common catalytic strategy involving
RT   general base-catalyzed formation of a highly stabilized aci-carboxylate
RT   intermediate.";
RL   Biochemistry 51:4237-4243(2012).
RN   [15]
RP   X-RAY CRYSTALLOGRAPHY (2.7 ANGSTROMS) IN COMPLEX WITH SUBSTRATE AND
RP   SUBSTRATE ANALOGS, AND SUBUNIT.
RX   PubMed=8909293; DOI=10.1021/bi9614702;
RA   Weaver T., Banaszak L.;
RT   "Crystallographic studies of the catalytic and a second site in fumarase C
RT   from Escherichia coli.";
RL   Biochemistry 35:13955-13965(1996).
RN   [16]
RP   X-RAY CRYSTALLOGRAPHY (1.95 ANGSTROMS) OF MUTANTS ASN-129 AND ASN-188 IN
RP   COMPLEX WITH SUBSTRATE AND SUBSTRATE ANALOGS, MUTAGENESIS OF HIS-129 AND
RP   HIS-188, ACTIVE SITE, AND SUBUNIT.
RX   PubMed=9098893; DOI=10.1002/pro.5560060410;
RA   Weaver T., Lees M., Banaszak L.;
RT   "Mutations of fumarase that distinguish between the active site and a
RT   nearby dicarboxylic acid binding site.";
RL   Protein Sci. 6:834-842(1997).
RN   [17]
RP   X-RAY CRYSTALLOGRAPHY (2.6 ANGSTROMS) OF MUTANT GLN-315 IN COMPLEX WITH
RP   SUBSTRATE AND SUBSTRATE ANALOGS, MUTAGENESIS OF GLU-315, BIOPHYSICOCHEMICAL
RP   PROPERTIES, AND SUBUNIT.
RX   PubMed=12021453; DOI=10.1110/ps.0201502;
RA   Estevez M., Skarda J., Spencer J., Banaszak L., Weaver T.M.;
RT   "X-ray crystallographic and kinetic correlation of a clinically observed
RT   human fumarase mutation.";
RL   Protein Sci. 11:1552-1557(2002).
RN   [18]
RP   X-RAY CRYSTALLOGRAPHY (2.19 ANGSTROMS).
RX   PubMed=16204892; DOI=10.1107/s0907444905024194;
RA   Weaver T.;
RT   "Structure of free fumarase C from Escherichia coli.";
RL   Acta Crystallogr. D 61:1395-1401(2005).
CC   -!- FUNCTION: Involved in the TCA cycle. FumC seems to be a backup enzyme
CC       for FumA under conditions of iron limitation and oxidative stress
CC       (PubMed:7592392). Catalyzes the stereospecific interconversion of
CC       fumarate to L-malate (PubMed:1917897, PubMed:3282546).
CC       {ECO:0000269|PubMed:1917897, ECO:0000269|PubMed:3282546,
CC       ECO:0000269|PubMed:7592392, ECO:0000305|PubMed:8496960}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-malate = fumarate + H2O; Xref=Rhea:RHEA:12460,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15589, ChEBI:CHEBI:29806; EC=4.2.1.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00743,
CC         ECO:0000269|PubMed:1917897, ECO:0000269|PubMed:3282546};
CC   -!- ACTIVITY REGULATION: Inhibited by ATP, citrate and S-2,3-
CC       dicarboxyaziridine. {ECO:0000269|PubMed:1917897}.
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Kinetic parameters:
CC         KM=50 uM for L-malate (at pH 7.3 and 30 degrees Celsius)
CC         {ECO:0000269|PubMed:1917897};
CC         KM=207 uM for fumarate (at pH 7.9) {ECO:0000269|PubMed:12021453};
CC         KM=390 uM for fumarate {ECO:0000269|PubMed:3282546};
CC         KM=857 uM for S-malate (at pH 7.9) {ECO:0000269|PubMed:12021453};
CC         KM=2.94 mM for S-malate {ECO:0000269|PubMed:3282546};
CC         Vmax=1 umol/min/mg enzyme for fumarate {ECO:0000269|PubMed:3282546};
CC         Vmax=1 umol/min/mg enzyme for S-malate {ECO:0000269|PubMed:3282546};
CC         Vmax=344.8 umol/min/mg enzyme for fumarate (at pH 7.9)
CC         {ECO:0000269|PubMed:12021453};
CC         Vmax=176.8 umol/min/mg enzyme for S-malate (at pH 7.9)
CC         {ECO:0000269|PubMed:12021453};
CC         Note=kcat is 1149 sec(-1) for fumarate (at pH 7.9). kcat is 595.2
CC         sec(-1) for S-malate (at pH 7.9). {ECO:0000269|PubMed:12021453};
CC       pH dependence:
CC         Optimum pH is 8. {ECO:0000269|PubMed:1917897};
CC       Temperature dependence:
CC         Thermostable. {ECO:0000269|PubMed:3282546};
CC   -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle; (S)-malate
CC       from fumarate: step 1/1. {ECO:0000255|HAMAP-Rule:MF_00743,
CC       ECO:0000305}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00743,
CC       ECO:0000269|PubMed:12021453, ECO:0000269|PubMed:1917897,
CC       ECO:0000269|PubMed:3282546, ECO:0000269|PubMed:8496960,
CC       ECO:0000269|PubMed:8909293, ECO:0000269|PubMed:9098893}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00743,
CC       ECO:0000305}.
CC   -!- INDUCTION: Under conditions of iron limitation and oxidative stress.
CC       {ECO:0000269|PubMed:3282546, ECO:0000269|PubMed:7592392}.
CC   -!- DISRUPTION PHENOTYPE: Cells lacking this gene show an increase of
CC       biofilm formation. {ECO:0000269|PubMed:17222132}.
CC   -!- MISCELLANEOUS: There are 2 substrate-binding sites: the catalytic A
CC       site, and the non-catalytic B site that may play a role in the transfer
CC       of substrate or product between the active site and the solvent.
CC       Alternatively, the B site may bind allosteric effectors.
CC       {ECO:0000255|HAMAP-Rule:MF_00743, ECO:0000305|PubMed:14990798,
CC       ECO:0000305|PubMed:9098893}.
CC   -!- SIMILARITY: Belongs to the class-II fumarase/aspartase family. Fumarase
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00743, ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; X04065; CAA27698.1; -; Genomic_DNA.
DR   EMBL; U00096; AAC74683.1; -; Genomic_DNA.
DR   EMBL; AP009048; BAA15349.1; -; Genomic_DNA.
DR   EMBL; X00522; CAA25205.1; -; Genomic_DNA.
DR   PIR; S07138; UFEC.
DR   RefSeq; NP_416128.1; NC_000913.3.
DR   RefSeq; WP_001099085.1; NZ_SSZK01000001.1.
DR   PDB; 1FUO; X-ray; 1.98 A; A/B=1-467.
DR   PDB; 1FUP; X-ray; 2.30 A; A/B=1-467.
DR   PDB; 1FUQ; X-ray; 2.00 A; A/B=1-467.
DR   PDB; 1FUR; X-ray; 1.95 A; A/B=1-467.
DR   PDB; 1KQ7; X-ray; 2.60 A; A/B=1-467.
DR   PDB; 1YFE; X-ray; 2.19 A; A=1-467.
DR   PDB; 2FUS; X-ray; 2.20 A; A/B=1-467.
DR   PDB; 6NZ9; X-ray; 1.53 A; A/B=1-467.
DR   PDB; 6NZA; X-ray; 1.41 A; A/B=1-467.
DR   PDB; 6NZB; X-ray; 1.37 A; A/B=1-467.
DR   PDB; 6NZC; X-ray; 1.40 A; A/B=1-467.
DR   PDB; 6OS7; X-ray; 1.36 A; A/B=1-467.
DR   PDB; 6P3C; X-ray; 1.46 A; A/B=1-467.
DR   PDBsum; 1FUO; -.
DR   PDBsum; 1FUP; -.
DR   PDBsum; 1FUQ; -.
DR   PDBsum; 1FUR; -.
DR   PDBsum; 1KQ7; -.
DR   PDBsum; 1YFE; -.
DR   PDBsum; 2FUS; -.
DR   PDBsum; 6NZ9; -.
DR   PDBsum; 6NZA; -.
DR   PDBsum; 6NZB; -.
DR   PDBsum; 6NZC; -.
DR   PDBsum; 6OS7; -.
DR   PDBsum; 6P3C; -.
DR   AlphaFoldDB; P05042; -.
DR   SMR; P05042; -.
DR   BioGRID; 4263123; 11.
DR   DIP; DIP-9719N; -.
DR   IntAct; P05042; 14.
DR   STRING; 511145.b1611; -.
DR   DrugBank; DB03452; 3-Trimethylsilylsuccinic Acid.
DR   DrugBank; DB04272; Citric acid.
DR   DrugBank; DB03499; D-Malic acid.
DR   DrugBank; DB02749; Pyromellitic Acid.
DR   jPOST; P05042; -.
DR   PaxDb; P05042; -.
DR   PRIDE; P05042; -.
DR   EnsemblBacteria; AAC74683; AAC74683; b1611.
DR   EnsemblBacteria; BAA15349; BAA15349; BAA15349.
DR   GeneID; 946147; -.
DR   KEGG; ecj:JW1603; -.
DR   KEGG; eco:b1611; -.
DR   PATRIC; fig|1411691.4.peg.651; -.
DR   EchoBASE; EB0353; -.
DR   eggNOG; COG0114; Bacteria.
DR   HOGENOM; CLU_021594_4_1_6; -.
DR   InParanoid; P05042; -.
DR   OMA; HDSMGEV; -.
DR   PhylomeDB; P05042; -.
DR   BioCyc; EcoCyc:FUMC-MON; -.
DR   BioCyc; MetaCyc:FUMC-MON; -.
DR   BRENDA; 4.2.1.2; 2026.
DR   SABIO-RK; P05042; -.
DR   UniPathway; UPA00223; UER01007.
DR   EvolutionaryTrace; P05042; -.
DR   PRO; PR:P05042; -.
DR   Proteomes; UP000000318; Chromosome.
DR   Proteomes; UP000000625; Chromosome.
DR   GO; GO:0045239; C:tricarboxylic acid cycle enzyme complex; IEA:InterPro.
DR   GO; GO:0004333; F:fumarate hydratase activity; IDA:UniProtKB.
DR   GO; GO:0042802; F:identical protein binding; IDA:EcoCyc.
DR   GO; GO:0006106; P:fumarate metabolic process; IBA:GO_Central.
DR   GO; GO:0006108; P:malate metabolic process; IBA:GO_Central.
DR   GO; GO:0006979; P:response to oxidative stress; IEP:EcoCyc.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IBA:GO_Central.
DR   CDD; cd01362; Fumarase_classII; 1.
DR   Gene3D; 1.10.275.10; -; 1.
DR   HAMAP; MF_00743; FumaraseC; 1.
DR   InterPro; IPR005677; Fum_hydII.
DR   InterPro; IPR024083; Fumarase/histidase_N.
DR   InterPro; IPR018951; Fumarase_C_C.
DR   InterPro; IPR020557; Fumarate_lyase_CS.
DR   InterPro; IPR000362; Fumarate_lyase_fam.
DR   InterPro; IPR022761; Fumarate_lyase_N.
DR   InterPro; IPR008948; L-Aspartase-like.
DR   PANTHER; PTHR11444; PTHR11444; 1.
DR   Pfam; PF10415; FumaraseC_C; 1.
DR   Pfam; PF00206; Lyase_1; 1.
DR   PRINTS; PR00149; FUMRATELYASE.
DR   SUPFAM; SSF48557; SSF48557; 1.
DR   TIGRFAMs; TIGR00979; fumC_II; 1.
DR   PROSITE; PS00163; FUMARATE_LYASES; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Allosteric enzyme; Cytoplasm; Direct protein sequencing;
KW   Lyase; Reference proteome; Tricarboxylic acid cycle.
FT   CHAIN           1..467
FT                   /note="Fumarate hydratase class II"
FT                   /id="PRO_0000161275"
FT   ACT_SITE        188
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00743,
FT                   ECO:0000269|PubMed:9098893"
FT   ACT_SITE        318
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00743"
FT   BINDING         98..100
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00743,
FT                   ECO:0000305|PubMed:12021453, ECO:0000305|PubMed:8909293,
FT                   ECO:0000305|PubMed:9098893, ECO:0007744|PDB:1FUO,
FT                   ECO:0007744|PDB:1FUP, ECO:0007744|PDB:1FUQ,
FT                   ECO:0007744|PDB:1KQ7, ECO:0007744|PDB:2FUS"
FT   BINDING         126
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000269|PubMed:8909293,
FT                   ECO:0000269|PubMed:9098893, ECO:0007744|PDB:1FUO,
FT                   ECO:0007744|PDB:1FUP, ECO:0007744|PDB:1FUQ,
FT                   ECO:0007744|PDB:1FUR"
FT   BINDING         129..132
FT                   /ligand="substrate"
FT                   /note="in site B"
FT                   /evidence="ECO:0000269|PubMed:12021453,
FT                   ECO:0000269|PubMed:8909293, ECO:0000269|PubMed:9098893,
FT                   ECO:0007744|PDB:1FUO, ECO:0007744|PDB:1FUP,
FT                   ECO:0007744|PDB:1FUQ, ECO:0007744|PDB:1FUR,
FT                   ECO:0007744|PDB:1KQ7"
FT   BINDING         139..141
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00743,
FT                   ECO:0000269|PubMed:12021453, ECO:0000269|PubMed:8909293,
FT                   ECO:0000269|PubMed:9098893, ECO:0007744|PDB:1FUO,
FT                   ECO:0007744|PDB:1FUP, ECO:0007744|PDB:1FUQ,
FT                   ECO:0007744|PDB:1KQ7, ECO:0007744|PDB:2FUS"
FT   BINDING         187
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00743"
FT   BINDING         319
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00743"
FT   BINDING         324..326
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00743"
FT   SITE            331
FT                   /note="Important for catalytic activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00743,
FT                   ECO:0000305|PubMed:8909293"
FT   MUTAGEN         126
FT                   /note="R->A: 10-fold decrease of fumarase activity."
FT                   /evidence="ECO:0000269|PubMed:14990798"
FT   MUTAGEN         127
FT                   /note="K->D: No effect."
FT                   /evidence="ECO:0000269|PubMed:14990798"
FT   MUTAGEN         129
FT                   /note="H->N: No effect on fumarase activity and essentially
FT                   same conformation compared to the wild-type, but appears to
FT                   dramatically reduce binding of ligands at the B-site."
FT                   /evidence="ECO:0000269|PubMed:14990798,
FT                   ECO:0000269|PubMed:9098893"
FT   MUTAGEN         188
FT                   /note="H->N: 200-fold decrease of fumarase activity."
FT                   /evidence="ECO:0000269|PubMed:9098893"
FT   MUTAGEN         315
FT                   /note="E->Q: There is essentially no effect on the affinity
FT                   values for both S-malate and fumarate. In contrast, the
FT                   catalytic efficiency values have been lowered by 10-fold in
FT                   both directions."
FT                   /evidence="ECO:0000269|PubMed:12021453"
FT   STRAND          4..9
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   STRAND          12..17
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           24..32
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           42..61
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           67..81
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   TURN            82..85
FT                   /evidence="ECO:0007829|PDB:1FUR"
FT   HELIX           86..88
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   STRAND          92..95
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           100..117
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           130..134
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   TURN            135..137
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           140..158
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           160..177
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   TURN            178..180
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   STRAND          182..187
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   STRAND          190..196
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           197..222
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   TURN            230..232
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           242..254
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           264..269
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           272..298
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   STRAND          302..305
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   STRAND          308..310
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   STRAND          319..321
FT                   /evidence="ECO:0007829|PDB:6NZB"
FT   HELIX           328..351
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           362..386
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           388..390
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           395..404
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           407..412
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           413..416
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           418..431
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           435..442
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           447..453
FT                   /evidence="ECO:0007829|PDB:6OS7"
FT   HELIX           456..458
FT                   /evidence="ECO:0007829|PDB:6OS7"
SQ   SEQUENCE   467 AA;  50489 MW;  3D67E3C0F0FDF40B CRC64;
     MNTVRSEKDS MGAIDVPADK LWGAQTQRSL EHFRISTEKM PTSLIHALAL TKRAAAKVNE
     DLGLLSEEKA SAIRQAADEV LAGQHDDEFP LAIWQTGSGT QSNMNMNEVL ANRASELLGG
     VRGMERKVHP NDDVNKSQSS NDVFPTAMHV AALLALRKQL IPQLKTLTQT LNEKSRAFAD
     IVKIGRTHLQ DATPLTLGQE ISGWVAMLEH NLKHIEYSLP HVAELALGGT AVGTGLNTHP
     EYARRVADEL AVITCAPFVT APNKFEALAT CDALVQAHGA LKGLAASLMK IANDVRWLAS
     GPRCGIGEIS IPENEPGSSI MPGKVNPTQC EALTMLCCQV MGNDVAINMG GASGNFELNV
     FRPMVIHNFL QSVRLLADGM ESFNKHCAVG IEPNRERINQ LLNESLMLVT ALNTHIGYDK
     AAEIAKKAHK EGLTLKAAAL ALGYLSEAEF DSWVRPEQMV GSMKAGR
 
 
维奥蛋白资源库 - 中文蛋白资源 CopyRight © 2010-2024