ID   MURB_SHIBS              Reviewed;         342 AA.
AC   Q31U21;
DT   07-MAR-2006, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 99.
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=SBO_3992;
OS   Shigella boydii serotype 4 (strain Sb227).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300268;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sb227;
RX   PubMed=16275786; DOI=10.1093/nar/gki954;
RA   Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA   Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA   Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA   Jin Q.;
RT   "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT   bacillary dysentery.";
RL   Nucleic Acids Res. 33:6445-6458(2005).
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; CP000036; ABB68437.1; -; Genomic_DNA.
DR   RefSeq; WP_001016691.1; NC_007613.1.
DR   AlphaFoldDB; Q31U21; -.
DR   SMR; Q31U21; -.
DR   EnsemblBacteria; ABB68437; ABB68437; SBO_3992.
DR   KEGG; sbo:SBO_3992; -.
DR   HOGENOM; CLU_035304_0_0_6; -.
DR   OMA; MQNIGAY; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000007067; 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.
FT   CHAIN           1..342
FT                   /note="UDP-N-acetylenolpyruvoylglucosamine reductase"
FT                   /id="PRO_0000224718"
FT   DOMAIN          13..183
FT                   /note="FAD-binding PCMH-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00037"
FT   ACT_SITE        159
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00037"
FT   ACT_SITE        229
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00037"
FT   ACT_SITE        325
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00037"
SQ   SEQUENCE   342 AA;  37827 MW;  2EDC277D6EEF5FDB CRC64;
     MNHSLKPWNT FGIDHNAQHI VCAEDEQQLL NAWQYATAEG QPVLILGEGS NVLFLEDYRG
     TVIINRIKGI EIHDEPDAWY LHVGAGENWH RLVKYTLQEG MPGLENLALI PGCVGSSPIQ
     NIGAYGVELQ RVCAYVDCVE LATGKQVRLT AKECRFGYRD SIFKHEYQDR FAIVAVGLRL
     LKEWQPVLTY GDLTRLDPTT VTPQQVFNAV CHMRTTKLPD PKVNGNAGSF FKNPVVSAET
     AKALLAQFPT APNYPQAGGS VKLAAGWLID QCQLKGMQMG GAAVHRQQAL VLINEDNAKS
     EDVVQLAHHV RQKVGEKFNV WLEPEVRFIG ASGEVSAVET IS