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NAGB_PHOLL
ID   NAGB_PHOLL              Reviewed;         270 AA.
AC   Q7MB61;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   03-AUG-2022, entry version 108.
DE   RecName: Full=Glucosamine-6-phosphate deaminase {ECO:0000255|HAMAP-Rule:MF_01241};
DE            EC=3.5.99.6 {ECO:0000255|HAMAP-Rule:MF_01241};
DE   AltName: Full=GlcN6P deaminase {ECO:0000255|HAMAP-Rule:MF_01241};
DE            Short=GNPDA {ECO:0000255|HAMAP-Rule:MF_01241};
DE   AltName: Full=Glucosamine-6-phosphate isomerase {ECO:0000255|HAMAP-Rule:MF_01241};
GN   Name=nagB {ECO:0000255|HAMAP-Rule:MF_01241}; OrderedLocusNames=plu1317;
OS   Photorhabdus laumondii subsp. laumondii (strain DSM 15139 / CIP 105565 /
OS   TT01).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Morganellaceae; Photorhabdus.
OX   NCBI_TaxID=243265;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 15139 / CIP 105565 / TT01;
RX   PubMed=14528314; DOI=10.1038/nbt886;
RA   Duchaud E., Rusniok C., Frangeul L., Buchrieser C., Givaudan A.,
RA   Taourit S., Bocs S., Boursaux-Eude C., Chandler M., Charles J.-F.,
RA   Dassa E., Derose R., Derzelle S., Freyssinet G., Gaudriault S., Medigue C.,
RA   Lanois A., Powell K., Siguier P., Vincent R., Wingate V., Zouine M.,
RA   Glaser P., Boemare N., Danchin A., Kunst F.;
RT   "The genome sequence of the entomopathogenic bacterium Photorhabdus
RT   luminescens.";
RL   Nat. Biotechnol. 21:1307-1313(2003).
CC   -!- FUNCTION: Catalyzes the reversible isomerization-deamination of
CC       glucosamine 6-phosphate (GlcN6P) to form fructose 6-phosphate (Fru6P)
CC       and ammonium ion. {ECO:0000255|HAMAP-Rule:MF_01241}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=alpha-D-glucosamine 6-phosphate + H2O = beta-D-fructose 6-
CC         phosphate + NH4(+); Xref=Rhea:RHEA:12172, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:28938, ChEBI:CHEBI:57634, ChEBI:CHEBI:75989; EC=3.5.99.6;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01241};
CC   -!- ACTIVITY REGULATION: Allosterically activated by N-acetylglucosamine 6-
CC       phosphate (GlcNAc6P). {ECO:0000255|HAMAP-Rule:MF_01241}.
CC   -!- PATHWAY: Amino-sugar metabolism; N-acetylneuraminate degradation; D-
CC       fructose 6-phosphate from N-acetylneuraminate: step 5/5.
CC       {ECO:0000255|HAMAP-Rule:MF_01241}.
CC   -!- SUBUNIT: Homohexamer. {ECO:0000255|HAMAP-Rule:MF_01241}.
CC   -!- SIMILARITY: Belongs to the glucosamine/galactosamine-6-phosphate
CC       isomerase family. NagB subfamily. {ECO:0000255|HAMAP-Rule:MF_01241}.
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DR   EMBL; BX571863; CAE13610.1; -; Genomic_DNA.
DR   RefSeq; WP_011145640.1; NC_005126.1.
DR   AlphaFoldDB; Q7MB61; -.
DR   SMR; Q7MB61; -.
DR   STRING; 243265.plu1317; -.
DR   EnsemblBacteria; CAE13610; CAE13610; plu1317.
DR   GeneID; 24167328; -.
DR   KEGG; plu:plu1317; -.
DR   eggNOG; COG0363; Bacteria.
DR   HOGENOM; CLU_049611_0_1_6; -.
DR   OMA; FNEPCSS; -.
DR   OrthoDB; 1828393at2; -.
DR   BioCyc; PLUM243265:PLU_RS06580-MON; -.
DR   UniPathway; UPA00629; UER00684.
DR   Proteomes; UP000002514; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProt.
DR   GO; GO:0004342; F:glucosamine-6-phosphate deaminase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0006044; P:N-acetylglucosamine metabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0019262; P:N-acetylneuraminate catabolic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd01399; GlcN6P_deaminase; 1.
DR   HAMAP; MF_01241; GlcN6P_deamin; 1.
DR   InterPro; IPR006148; Glc/Gal-6P_isomerase.
DR   InterPro; IPR004547; Glucosamine6P_isomerase.
DR   InterPro; IPR018321; Glucosamine6P_isomerase_CS.
DR   InterPro; IPR037171; NagB/RpiA_transferase-like.
DR   PANTHER; PTHR11280; PTHR11280; 1.
DR   Pfam; PF01182; Glucosamine_iso; 1.
DR   SUPFAM; SSF100950; SSF100950; 1.
DR   TIGRFAMs; TIGR00502; nagB; 1.
DR   PROSITE; PS01161; GLC_GALNAC_ISOMERASE; 1.
PE   3: Inferred from homology;
KW   Allosteric enzyme; Carbohydrate metabolism; Hydrolase; Reference proteome.
FT   CHAIN           1..270
FT                   /note="Glucosamine-6-phosphate deaminase"
FT                   /id="PRO_1000067008"
FT   ACT_SITE        72
FT                   /note="Proton acceptor; for enolization step"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT   ACT_SITE        141
FT                   /note="For ring-opening step"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT   ACT_SITE        143
FT                   /note="Proton acceptor; for ring-opening step"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT   ACT_SITE        148
FT                   /note="For ring-opening step"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT   SITE            151
FT                   /note="Part of the allosteric site"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT   SITE            158
FT                   /note="Part of the allosteric site"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT   SITE            160
FT                   /note="Part of the allosteric site"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT   SITE            161
FT                   /note="Part of the allosteric site"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT   SITE            254
FT                   /note="Part of the allosteric site"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
SQ   SEQUENCE   270 AA;  30149 MW;  0BF166B1073A1FEA CRC64;
     MRLIPLANAS DVGKWSAHYI VSKINAFNPT AEHPFILGLP TGSTPLATYK ELIALHKAGK
     VSFKYVVTFN MDEYVGITEN HPQSYHHFMH QNFLDHIDIP KENINLLNGN ASDVETECQR
     YEDKIKSYGQ IHLFMGGVGN DGHIAFNEPA SSLTSRTRIK TLTVETRTAN SRFFDNDINQ
     VPKYALTVGV GTLMDAEEIM ILATGLNKAQ AIQAAIEGNV NHMWTISCLQ MHPKSIIVCD
     EPATMELKVK TVKYFHQLEA DIIGEFASKK
 
 
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