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NANA_ECOLI
ID   NANA_ECOLI              Reviewed;         297 AA.
AC   P0A6L4; P06995; Q2M8Y8;
DT   01-APR-1988, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 134.
DE   RecName: Full=N-acetylneuraminate lyase;
DE            Short=NAL;
DE            Short=Neu5Ac lyase;
DE            EC=4.1.3.3 {ECO:0000269|PubMed:33895133};
DE   AltName: Full=N-acetylneuraminate pyruvate-lyase;
DE   AltName: Full=N-acetylneuraminic acid aldolase;
DE   AltName: Full=NALase;
DE   AltName: Full=Sialate lyase;
DE   AltName: Full=Sialic acid aldolase;
DE   AltName: Full=Sialic acid lyase;
GN   Name=nanA; Synonyms=npl; OrderedLocusNames=b3225, JW3194;
OS   Escherichia coli (strain K12).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND PARTIAL PROTEIN SEQUENCE.
RC   STRAIN=K12;
RX   PubMed=3909108; DOI=10.1093/nar/13.24.8843;
RA   Ohta Y., Watanabe K., Kimura A.;
RT   "Complete nucleotide sequence of the E. coli N-acetylneuraminate lyase.";
RL   Nucleic Acids Res. 13:8843-8852(1985).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=JE1011;
RA   Kawakami B., Kudo T., Narahashi Y., Horikoshi K.;
RT   "Nucleotide sequence of the N-acetylneuraminate lyase gene of Escherichia
RT   coli.";
RL   Agric. Biol. Chem. 50:2155-2158(1986).
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   PROTEIN SEQUENCE OF 2-24, FUNCTION, ACTIVITY REGULATION, AND
RP   BIOPHYSICOCHEMICAL PROPERTIES.
RC   STRAIN=K12 / C600 / SF8;
RX   PubMed=1646603; DOI=10.1042/bj2760541;
RA   Aisaka K., Igarashi A., Yamaguchi K., Uwajima T.;
RT   "Purification, crystallization and characterization of N-acetylneuraminate
RT   lyase from Escherichia coli.";
RL   Biochem. J. 276:541-546(1991).
RN   [6]
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   [7]
RP   INDUCTION.
RX   PubMed=23935044; DOI=10.1128/jb.00692-13;
RA   Kalivoda K.A., Steenbergen S.M., Vimr E.R.;
RT   "Control of the Escherichia coli sialoregulon by transcriptional repressor
RT   NanR.";
RL   J. Bacteriol. 195:4689-4701(2013).
RN   [8]
RP   FUNCTION, CATALYTIC ACTIVITY, AND ACTIVITY REGULATION.
RC   STRAIN=K12;
RX   PubMed=33895133; DOI=10.1016/j.jbc.2021.100699;
RA   Kentache T., Thabault L., Deumer G., Haufroid V., Frederick R.,
RA   Linster C.L., Peracchi A., Veiga-da-Cunha M., Bommer G.T.,
RA   Van Schaftingen E.;
RT   "The metalloprotein YhcH is an anomerase providing N-acetylneuraminate
RT   aldolase with the open form of its substrate.";
RL   J. Biol. Chem. 296:100699-100699(2021).
RN   [9] {ECO:0007744|PDB:1NAL}
RP   X-RAY CRYSTALLOGRAPHY (2.2 ANGSTROMS), AND SUBUNIT.
RX   PubMed=8081752; DOI=10.1016/s0969-2126(00)00038-1;
RA   Izard T., Lawrence M.C., Malby R.L., Lilley G.G., Colman P.M.;
RT   "The three-dimensional structure of N-acetylneuraminate lyase from
RT   Escherichia coli.";
RL   Structure 2:361-369(1994).
RN   [10] {ECO:0007744|PDB:1FDY, ECO:0007744|PDB:1FDZ}
RP   X-RAY CRYSTALLOGRAPHY (2.45 ANGSTROMS) OF COMPLEXES WITH HYDROXYPYRUVATE
RP   AND PYRUVATE.
RX   PubMed=9047371; DOI=10.1006/jmbi.1996.0769;
RA   Lawrence M.C., Barbosa J.A.R.G., Smith B.J., Hall N.E., Pilling P.A.,
RA   Ooi H.C., Marcuccio S.M.;
RT   "Structure and mechanism of a sub-family of enzymes related to N-
RT   acetylneuraminate lyase.";
RL   J. Mol. Biol. 266:381-399(1997).
CC   -!- FUNCTION: Catalyzes the reversible aldol cleavage of N-acetylneuraminic
CC       acid (sialic acid; Neu5Ac) to form pyruvate and N-acetylmannosamine
CC       (ManNAc) via a Schiff base intermediate (PubMed:1646603). Experiments
CC       show the true substrate is aceneuramate (linearized Neu5Ac), which
CC       forms spontaneously at alkaline pH. Linear aceneuramate can be provided
CC       by NanQ (PubMed:33895133). {ECO:0000269|PubMed:1646603,
CC       ECO:0000269|PubMed:33895133}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=aceneuramate = N-acetyl-D-mannosamine + pyruvate;
CC         Xref=Rhea:RHEA:23296, ChEBI:CHEBI:15361, ChEBI:CHEBI:17122,
CC         ChEBI:CHEBI:173083; EC=4.1.3.3;
CC         Evidence={ECO:0000269|PubMed:33895133};
CC   -!- ACTIVITY REGULATION: Inhibited by reduction with NaBH(4), and by Cu(2+)
CC       ions, p-chloromercuribenzoate and N-bromosuccinimide (PubMed:1646603).
CC       Co(2+), Mn(2+) and Ni(2+) stimulate activity, perhaps by enhancing the
CC       opening of the substrate Neu5Ac (PubMed:33895133).
CC       {ECO:0000269|PubMed:1646603, ECO:0000269|PubMed:33895133}.
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       pH dependence:
CC         Optimum pH is 6.5-7.0. {ECO:0000269|PubMed:1646603};
CC       Temperature dependence:
CC         Optimum temperature is 80 degrees Celsius.
CC         {ECO:0000269|PubMed:1646603};
CC   -!- PATHWAY: Amino-sugar metabolism; N-acetylneuraminate degradation; D-
CC       fructose 6-phosphate from N-acetylneuraminate: step 1/5.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000269|PubMed:8081752}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm.
CC   -!- INDUCTION: Negatively regulated by the transcriptional repressor NanR.
CC       Induced by N-acetylneuraminate, via inactivation of NanR.
CC       {ECO:0000269|PubMed:23935044}.
CC   -!- SIMILARITY: Belongs to the DapA family. NanA subfamily. {ECO:0000305}.
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DR   EMBL; X03345; CAA27051.1; -; Genomic_DNA.
DR   EMBL; D00067; BAA00046.1; -; Genomic_DNA.
DR   EMBL; U18997; AAA58027.1; -; Genomic_DNA.
DR   EMBL; U00096; AAC76257.1; -; Genomic_DNA.
DR   EMBL; AP009048; BAE77268.1; -; Genomic_DNA.
DR   PIR; JP0002; WZECN.
DR   RefSeq; NP_417692.1; NC_000913.3.
DR   RefSeq; WP_000224714.1; NZ_STEB01000012.1.
DR   PDB; 1FDY; X-ray; 2.45 A; A/B/C/D=1-297.
DR   PDB; 1FDZ; X-ray; 2.60 A; A/B/C/D=1-297.
DR   PDB; 1HL2; X-ray; 1.80 A; A/B/C/D=1-297.
DR   PDB; 1NAL; X-ray; 2.20 A; 1/2/3/4=1-297.
DR   PDB; 2WKJ; X-ray; 1.45 A; A/B/C/D=2-296.
DR   PDB; 2WNN; X-ray; 1.65 A; A/B/C/D=2-296.
DR   PDB; 2WNQ; X-ray; 1.80 A; A/B/C/D=2-297.
DR   PDB; 2WNZ; X-ray; 1.85 A; A/B/C/D=2-297.
DR   PDB; 2WO5; X-ray; 2.20 A; A/B/C/D=2-297.
DR   PDB; 2WPB; X-ray; 2.05 A; A/B/C/D=2-297.
DR   PDB; 2XFW; X-ray; 1.65 A; A/B/C/D=2-297.
DR   PDB; 2YGY; X-ray; 1.90 A; A/B/C/D=2-297.
DR   PDB; 3LBC; X-ray; 1.85 A; A/B/C/D=1-297.
DR   PDB; 3LBM; X-ray; 1.48 A; A/B/C/D=1-297.
DR   PDB; 3LCF; X-ray; 1.86 A; A/B/C/D=1-297.
DR   PDB; 3LCG; X-ray; 1.78 A; A/B/C/D=1-297.
DR   PDB; 3LCH; X-ray; 2.04 A; A/B/C/D=1-297.
DR   PDB; 3LCI; X-ray; 2.12 A; A/B/C/D=1-297.
DR   PDB; 3LCL; X-ray; 1.83 A; A/B/C/D=1-297.
DR   PDB; 3LCW; X-ray; 2.35 A; A/B/C/D=1-297.
DR   PDB; 3LCX; X-ray; 1.98 A; A/B/C/D=1-297.
DR   PDB; 4BWL; X-ray; 2.00 A; A/B/C/D=2-297.
DR   PDB; 4UUI; X-ray; 1.79 A; A/B/C/D=2-297.
DR   PDBsum; 1FDY; -.
DR   PDBsum; 1FDZ; -.
DR   PDBsum; 1HL2; -.
DR   PDBsum; 1NAL; -.
DR   PDBsum; 2WKJ; -.
DR   PDBsum; 2WNN; -.
DR   PDBsum; 2WNQ; -.
DR   PDBsum; 2WNZ; -.
DR   PDBsum; 2WO5; -.
DR   PDBsum; 2WPB; -.
DR   PDBsum; 2XFW; -.
DR   PDBsum; 2YGY; -.
DR   PDBsum; 3LBC; -.
DR   PDBsum; 3LBM; -.
DR   PDBsum; 3LCF; -.
DR   PDBsum; 3LCG; -.
DR   PDBsum; 3LCH; -.
DR   PDBsum; 3LCI; -.
DR   PDBsum; 3LCL; -.
DR   PDBsum; 3LCW; -.
DR   PDBsum; 3LCX; -.
DR   PDBsum; 4BWL; -.
DR   PDBsum; 4UUI; -.
DR   AlphaFoldDB; P0A6L4; -.
DR   SMR; P0A6L4; -.
DR   BioGRID; 4262442; 344.
DR   DIP; DIP-10302N; -.
DR   IntAct; P0A6L4; 5.
DR   STRING; 511145.b3225; -.
DR   jPOST; P0A6L4; -.
DR   PaxDb; P0A6L4; -.
DR   PRIDE; P0A6L4; -.
DR   EnsemblBacteria; AAC76257; AAC76257; b3225.
DR   EnsemblBacteria; BAE77268; BAE77268; BAE77268.
DR   GeneID; 66506804; -.
DR   GeneID; 947742; -.
DR   KEGG; ecj:JW3194; -.
DR   KEGG; eco:b3225; -.
DR   PATRIC; fig|1411691.4.peg.3503; -.
DR   EchoBASE; EB0631; -.
DR   eggNOG; COG0329; Bacteria.
DR   HOGENOM; CLU_049343_6_0_6; -.
DR   InParanoid; P0A6L4; -.
DR   OMA; LPPMRYK; -.
DR   PhylomeDB; P0A6L4; -.
DR   BioCyc; EcoCyc:ACNEULY-MON; -.
DR   BioCyc; MetaCyc:ACNEULY-MON; -.
DR   BRENDA; 4.1.3.3; 2026.
DR   SABIO-RK; P0A6L4; -.
DR   UniPathway; UPA00629; UER00680.
DR   EvolutionaryTrace; P0A6L4; -.
DR   PRO; PR:P0A6L4; -.
DR   Proteomes; UP000000318; Chromosome.
DR   Proteomes; UP000000625; Chromosome.
DR   GO; GO:0005829; C:cytosol; IDA:EcoCyc.
DR   GO; GO:0042802; F:identical protein binding; IDA:EcoCyc.
DR   GO; GO:0008747; F:N-acetylneuraminate lyase activity; IDA:EcoCyc.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0019262; P:N-acetylneuraminate catabolic process; IMP:EcoCyc.
DR   CDD; cd00954; NAL; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_01237; N_acetylneuram_lyase; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR002220; DapA-like.
DR   InterPro; IPR005264; NanA.
DR   InterPro; IPR020625; Schiff_base-form_aldolases_AS.
DR   InterPro; IPR020624; Schiff_base-form_aldolases_CS.
DR   Pfam; PF00701; DHDPS; 1.
DR   PIRSF; PIRSF001365; DHDPS; 1.
DR   PRINTS; PR00146; DHPICSNTHASE.
DR   SMART; SM01130; DHDPS; 1.
DR   TIGRFAMs; TIGR00683; nanA; 1.
DR   PROSITE; PS00665; DHDPS_1; 1.
DR   PROSITE; PS00666; DHDPS_2; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Carbohydrate metabolism; Cytoplasm;
KW   Direct protein sequencing; Lyase; Reference proteome; Schiff base.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:1646603"
FT   CHAIN           2..297
FT                   /note="N-acetylneuraminate lyase"
FT                   /id="PRO_0000103209"
FT   ACT_SITE        165
FT                   /note="Schiff-base intermediate with substrate"
FT   BINDING         47..48
FT                   /ligand="substrate"
FT   SITE            137
FT                   /note="Involved in proton transfer during cleavage"
FT   CONFLICT        70
FT                   /note="A -> G (in Ref. 1; CAA27051)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        84
FT                   /note="S -> T (in Ref. 1; CAA27051)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        282
FT                   /note="L -> Q (in Ref. 1; CAA27051)"
FT                   /evidence="ECO:0000305"
FT   HELIX           2..5
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          7..11
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          20..22
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           24..36
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          40..46
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   TURN            47..50
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           51..53
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           56..70
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   TURN            71..73
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          74..79
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           85..98
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          101..106
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           115..129
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          134..138
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           140..143
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           149..156
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          161..166
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           171..180
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          185..188
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           191..193
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           194..200
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          204..207
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           210..226
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           229..249
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           251..261
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   STRAND          265..267
FT                   /evidence="ECO:0007829|PDB:4BWL"
FT   HELIX           279..281
FT                   /evidence="ECO:0007829|PDB:2WKJ"
FT   HELIX           282..295
FT                   /evidence="ECO:0007829|PDB:2WKJ"
SQ   SEQUENCE   297 AA;  32593 MW;  BA9F30B4A7624167 CRC64;
     MATNLRGVMA ALLTPFDQQQ ALDKASLRRL VQFNIQQGID GLYVGGSTGE AFVQSLSERE
     QVLEIVAEEA KGKIKLIAHV GCVSTAESQQ LAASAKRYGF DAVSAVTPFY YPFSFEEHCD
     HYRAIIDSAD GLPMVVYNIP ALSGVKLTLD QINTLVTLPG VGALKQTSGD LYQMEQIRRE
     HPDLVLYNGY DEIFASGLLA GADGGIGSTY NIMGWRYQGI VKALKEGDIQ TAQKLQTECN
     KVIDLLIKTG VFRGLKTVLH YMDVVSVPLC RKPFGPVDEK YLPELKALAQ QLMQERG
 
 
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