NAGB_MALP2
ID NAGB_MALP2 Reviewed; 242 AA.
AC Q8EWM7;
DT 23-MAY-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2003, sequence version 1.
DT 03-AUG-2022, entry version 101.
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=MYPE1760;
OS Malacoplasma penetrans (strain HF-2) (Mycoplasma penetrans).
OC Bacteria; Tenericutes; Mycoplasmoidales; Mycoplasmoidaceae; Malacoplasma.
OX NCBI_TaxID=272633;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HF-2;
RX PubMed=12466555; DOI=10.1093/nar/gkf667;
RA Sasaki Y., Ishikawa J., Yamashita A., Oshima K., Kenri T., Furuya K.,
RA Yoshino C., Horino A., Shiba T., Sasaki T., Hattori M.;
RT "The complete genomic sequence of Mycoplasma penetrans, an intracellular
RT bacterial pathogen in humans.";
RL Nucleic Acids Res. 30:5293-5300(2002).
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 -!- 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 -!- 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; BA000026; BAC43967.1; -; Genomic_DNA.
DR RefSeq; WP_011077003.1; NC_004432.1.
DR AlphaFoldDB; Q8EWM7; -.
DR SMR; Q8EWM7; -.
DR STRING; 272633.26453635; -.
DR EnsemblBacteria; BAC43967; BAC43967; BAC43967.
DR KEGG; mpe:MYPE1760; -.
DR eggNOG; COG0363; Bacteria.
DR HOGENOM; CLU_049611_1_1_14; -.
DR OMA; FNEPCSS; -.
DR OrthoDB; 1828393at2; -.
DR UniPathway; UPA00629; UER00684.
DR Proteomes; UP000002522; 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 Carbohydrate metabolism; Hydrolase; Reference proteome.
FT CHAIN 1..242
FT /note="Glucosamine-6-phosphate deaminase"
FT /id="PRO_0000160155"
FT ACT_SITE 71
FT /note="Proton acceptor; for enolization step"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT ACT_SITE 142
FT /note="For ring-opening step"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT ACT_SITE 144
FT /note="Proton acceptor; for ring-opening step"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
FT ACT_SITE 149
FT /note="For ring-opening step"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01241"
SQ SEQUENCE 242 AA; 27304 MW; D4D72F5977BFBA60 CRC64;
MNNNINFIKC SSYEELSKKT ANDFITVIKN KPNSVLGLAT GSSPMGVYKE LIKAYENKEI
SFRDCVSFNL DEYIGLKKEY EDQTYKYFMN DNLFSKIDIN KDNTFFPIDA FSTNMNQDFE
SYDSKIDSYN GLDILILGIG NNGHIGFNEP GSLIDSKTRM IDLTESTIKA NSRFFKSEND
VPRKSVTMGL STILKAKKIV LVVVGDSKKE ALNALMNSKS FDSNWPCTAL VNHDNVVVYY
IG