ID   MURB_ALKHC              Reviewed;         301 AA.
AC   Q9K9T1;
DT   23-JAN-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 122.
DE   RecName: Full=UDP-N-acetylenolpyruvoylglucosamine reductase {ECO:0000255|HAMAP-Rule:MF_00037};
DE            EC=1.3.1.98 {ECO:0000255|HAMAP-Rule:MF_00037};
DE   AltName: Full=UDP-N-acetylmuramate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00037};
GN   Name=murB {ECO:0000255|HAMAP-Rule:MF_00037}; OrderedLocusNames=BH2564;
OS   Alkalihalobacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344
OS   / JCM 9153 / C-125) (Bacillus halodurans).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Alkalihalobacillus.
OX   NCBI_TaxID=272558;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125;
RX   PubMed=11058132; DOI=10.1093/nar/28.21.4317;
RA   Takami H., Nakasone K., Takaki Y., Maeno G., Sasaki R., Masui N., Fuji F.,
RA   Hirama C., Nakamura Y., Ogasawara N., Kuhara S., Horikoshi K.;
RT   "Complete genome sequence of the alkaliphilic bacterium Bacillus halodurans
RT   and genomic sequence comparison with Bacillus subtilis.";
RL   Nucleic Acids Res. 28:4317-4331(2000).
CC   -!- FUNCTION: Cell wall formation. {ECO:0000255|HAMAP-Rule:MF_00037}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=NADP(+) + UDP-N-acetyl-alpha-D-muramate = H(+) + NADPH + UDP-
CC         N-acetyl-3-O-(1-carboxyvinyl)-alpha-D-glucosamine;
CC         Xref=Rhea:RHEA:12248, ChEBI:CHEBI:15378, ChEBI:CHEBI:57783,
CC         ChEBI:CHEBI:58349, ChEBI:CHEBI:68483, ChEBI:CHEBI:70757; EC=1.3.1.98;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00037};
CC   -!- COFACTOR:
CC       Name=FAD; Xref=ChEBI:CHEBI:57692;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00037};
CC   -!- PATHWAY: Cell wall biogenesis; peptidoglycan biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00037}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00037}.
CC   -!- SIMILARITY: Belongs to the MurB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00037}.
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DR   EMBL; BA000004; BAB06283.1; -; Genomic_DNA.
DR   PIR; D83970; D83970.
DR   RefSeq; WP_010898715.1; NC_002570.2.
DR   AlphaFoldDB; Q9K9T1; -.
DR   SMR; Q9K9T1; -.
DR   STRING; 272558.10175184; -.
DR   EnsemblBacteria; BAB06283; BAB06283; BAB06283.
DR   KEGG; bha:BH2564; -.
DR   eggNOG; COG0812; Bacteria.
DR   HOGENOM; CLU_035304_1_1_9; -.
DR   OMA; KMNAGMK; -.
DR   OrthoDB; 841869at2; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000001258; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0071949; F:FAD binding; IEA:InterPro.
DR   GO; GO:0008762; F:UDP-N-acetylmuramate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0007049; P:cell cycle; IEA:UniProtKB-KW.
DR   GO; GO:0051301; P:cell division; IEA:UniProtKB-KW.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0008360; P:regulation of cell shape; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.43.10; -; 1.
DR   Gene3D; 3.30.465.10; -; 1.
DR   Gene3D; 3.90.78.10; -; 1.
DR   HAMAP; MF_00037; MurB; 1.
DR   InterPro; IPR016166; FAD-bd_PCMH.
DR   InterPro; IPR036318; FAD-bd_PCMH-like_sf.
DR   InterPro; IPR016167; FAD-bd_PCMH_sub1.
DR   InterPro; IPR016169; FAD-bd_PCMH_sub2.
DR   InterPro; IPR003170; MurB.
DR   InterPro; IPR011601; MurB_C.
DR   InterPro; IPR036635; MurB_C_sf.
DR   InterPro; IPR006094; Oxid_FAD_bind_N.
DR   PANTHER; PTHR21071; PTHR21071; 1.
DR   Pfam; PF01565; FAD_binding_4; 1.
DR   Pfam; PF02873; MurB_C; 1.
DR   SUPFAM; SSF56176; SSF56176; 1.
DR   SUPFAM; SSF56194; SSF56194; 1.
DR   TIGRFAMs; TIGR00179; murB; 1.
DR   PROSITE; PS51387; FAD_PCMH; 1.
PE   3: Inferred from homology;
KW   Cell cycle; Cell division; Cell shape; Cell wall biogenesis/degradation;
KW   Cytoplasm; FAD; Flavoprotein; NADP; Oxidoreductase;
KW   Peptidoglycan synthesis; Reference proteome.
FT   CHAIN           1..301
FT                   /note="UDP-N-acetylenolpyruvoylglucosamine reductase"
FT                   /id="PRO_0000179176"
FT   DOMAIN          29..195
FT                   /note="FAD-binding PCMH-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00037"
FT   ACT_SITE        174
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00037"
FT   ACT_SITE        224
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00037"
FT   ACT_SITE        294
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00037"
SQ   SEQUENCE   301 AA;  32899 MW;  7F315BA5631263BF CRC64;
     MEQLVESLRA LQVGEVRVNE SLAHHTTWKI GGPADVFVIP NDIEGLKNTM KLIQETGCKW
     RVIGRGSNIL VSDKGLRGVT IKLDKGLDHL EVNGESITVG AGFPVVKLAT VISRQGLAGL
     EFAAGIPGSV GGAVFMNAGA HGSDISQILT KAHVLFPDGT LRWLTNEEMA FSYRTSLLQK
     NDGICVEAIF SLTRGDKEDI KKKLQKNKDY RRDTQPWNHP TCGSVFRNPL PEYAGQLIEK
     AGLKGYQIGG AQISTMHANF IVNTGDAKAA DVLALIHHVK DTIQKQYQMN METEVELIGE
     R