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NANA_SALTY
ID   NANA_SALTY              Reviewed;         297 AA.
AC   Q8ZLQ6;
DT   25-MAR-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 114.
DE   RecName: Full=N-acetylneuraminate lyase {ECO:0000255|HAMAP-Rule:MF_01237};
DE            Short=NAL {ECO:0000255|HAMAP-Rule:MF_01237};
DE            Short=Neu5Ac lyase {ECO:0000255|HAMAP-Rule:MF_01237};
DE            EC=4.1.3.3 {ECO:0000255|HAMAP-Rule:MF_01237};
DE   AltName: Full=N-acetylneuraminate pyruvate-lyase {ECO:0000255|HAMAP-Rule:MF_01237};
DE   AltName: Full=N-acetylneuraminic acid aldolase {ECO:0000255|HAMAP-Rule:MF_01237};
DE   AltName: Full=Sialate lyase {ECO:0000255|HAMAP-Rule:MF_01237};
DE   AltName: Full=Sialic acid aldolase {ECO:0000255|HAMAP-Rule:MF_01237};
DE   AltName: Full=Sialic acid lyase {ECO:0000255|HAMAP-Rule:MF_01237};
GN   Name=nanA {ECO:0000255|HAMAP-Rule:MF_01237}; OrderedLocusNames=STM3339;
OS   Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=99287;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LT2 / SGSC1412 / ATCC 700720;
RX   PubMed=11677609; DOI=10.1038/35101614;
RA   McClelland M., Sanderson K.E., Spieth J., Clifton S.W., Latreille P.,
RA   Courtney L., Porwollik S., Ali J., Dante M., Du F., Hou S., Layman D.,
RA   Leonard S., Nguyen C., Scott K., Holmes A., Grewal N., Mulvaney E.,
RA   Ryan E., Sun H., Florea L., Miller W., Stoneking T., Nhan M., Waterston R.,
RA   Wilson R.K.;
RT   "Complete genome sequence of Salmonella enterica serovar Typhimurium LT2.";
RL   Nature 413:852-856(2001).
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. {ECO:0000255|HAMAP-
CC       Rule:MF_01237}.
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; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01237};
CC   -!- PATHWAY: Amino-sugar metabolism; N-acetylneuraminate degradation; D-
CC       fructose 6-phosphate from N-acetylneuraminate: step 1/5.
CC       {ECO:0000255|HAMAP-Rule:MF_01237}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01237}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01237}.
CC   -!- SIMILARITY: Belongs to the DapA family. NanA subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01237}.
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DR   EMBL; AE006468; AAL22208.1; -; Genomic_DNA.
DR   RefSeq; NP_462249.1; NC_003197.2.
DR   RefSeq; WP_001029667.1; NC_003197.2.
DR   AlphaFoldDB; Q8ZLQ6; -.
DR   SMR; Q8ZLQ6; -.
DR   STRING; 99287.STM3339; -.
DR   PaxDb; Q8ZLQ6; -.
DR   EnsemblBacteria; AAL22208; AAL22208; STM3339.
DR   GeneID; 1254862; -.
DR   KEGG; stm:STM3339; -.
DR   PATRIC; fig|99287.12.peg.3540; -.
DR   HOGENOM; CLU_049343_6_0_6; -.
DR   OMA; LPPMRYK; -.
DR   PhylomeDB; Q8ZLQ6; -.
DR   BioCyc; SENT99287:STM3339-MON; -.
DR   UniPathway; UPA00629; UER00680.
DR   Proteomes; UP000001014; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0008747; F:N-acetylneuraminate lyase activity; IBA:GO_Central.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0019262; P:N-acetylneuraminate catabolic process; IBA:GO_Central.
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   3: Inferred from homology;
KW   Carbohydrate metabolism; Cytoplasm; Lyase; Reference proteome; Schiff base.
FT   CHAIN           1..297
FT                   /note="N-acetylneuraminate lyase"
FT                   /id="PRO_0000103219"
FT   ACT_SITE        165
FT                   /note="Schiff-base intermediate with substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01237"
FT   BINDING         47..48
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01237"
FT   SITE            137
FT                   /note="Involved in proton transfer during cleavage"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01237"
SQ   SEQUENCE   297 AA;  32455 MW;  78D599F104937C4D CRC64;
     MAKALQGVMA ALLTPFDHQQ QLDSESLRRL VRFNIGQGID GLYVGGSTGE AFVQSLAERE
     QVLEIVAEEA KGKITLIAHV GTVSTAESQQ LASAAKRYGF DAVSAVTPFY YPFSFEEHCD
     HYRAIIDSAD GLPMVVYNIP ALSGVKLTLD QINTLVTLPG VSALKQTSGD LFQMEQIRRA
     HPDLVLYNGY DEIFASGLLA GADGGIGSTY NIMGWRYQGI VQALREGDVA KAQRLQTECN
     KVIDLLIKTG VFRGLKTVLH YMDVVSVPLC RKPFAPVDEK YLPALKALAQ QLMEEKA
 
 
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