ID   MURB_HAEIN              Reviewed;         341 AA.
AC   P44605;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   03-AUG-2022, entry version 142.
DE   RecName: Full=UDP-N-acetylenolpyruvoylglucosamine reductase;
DE            EC=1.3.1.98;
DE   AltName: Full=UDP-N-acetylmuramate dehydrogenase;
GN   Name=murB; OrderedLocusNames=HI_0268;
OS   Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=71421;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=7542800; DOI=10.1126/science.7542800;
RA   Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA   Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA   McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA   Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA   Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA   Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA   Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA   Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT   "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT   Rd.";
RL   Science 269:496-512(1995).
CC   -!- FUNCTION: Cell wall formation. {ECO:0000250}.
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   -!- COFACTOR:
CC       Name=FAD; Xref=ChEBI:CHEBI:57692; Evidence={ECO:0000250};
CC   -!- PATHWAY: Cell wall biogenesis; peptidoglycan biosynthesis.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the MurB family. {ECO:0000305}.
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DR   EMBL; L42023; AAC21934.1; -; Genomic_DNA.
DR   PIR; G64058; G64058.
DR   RefSeq; NP_438437.1; NC_000907.1.
DR   RefSeq; WP_005694036.1; NC_000907.1.
DR   AlphaFoldDB; P44605; -.
DR   SMR; P44605; -.
DR   STRING; 71421.HI_0268; -.
DR   EnsemblBacteria; AAC21934; AAC21934; HI_0268.
DR   KEGG; hin:HI_0268; -.
DR   PATRIC; fig|71421.8.peg.283; -.
DR   eggNOG; COG0812; Bacteria.
DR   HOGENOM; CLU_035304_0_0_6; -.
DR   OMA; MQNIGAY; -.
DR   PhylomeDB; P44605; -.
DR   BioCyc; HINF71421:G1GJ1-283-MON; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000000579; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0071949; F:FAD binding; IEA:InterPro.
DR   GO; GO:0050660; F:flavin adenine dinucleotide binding; IBA:GO_Central.
DR   GO; GO:0008762; F:UDP-N-acetylmuramate dehydrogenase activity; IBA:GO_Central.
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; IBA:GO_Central.
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..341
FT                   /note="UDP-N-acetylenolpyruvoylglucosamine reductase"
FT                   /id="PRO_0000179215"
FT   DOMAIN          12..182
FT                   /note="FAD-binding PCMH-type"
FT   ACT_SITE        158
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        228
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        324
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   341 AA;  38344 MW;  B06F571EAC235E4F CRC64;
     MQNLQPFHTF HIQSNAREII EAHSIEQLQQ VWANSKSENL PTLFLGQGSN VLFLDDFNGI
     VILNRLMGIT HEQDANFHYL HVNGGENWHK LVEWSINNGI YGLENLALIP GCAGSAPIQN
     IGAYGVEFKD VCDYVEVLNL NTNETFRLDT EQCEFGYRES IFKHRYQQGY VITAVGLKLK
     KDWQPILKYG SLVEFDPKTV TAKQIFDEVC HIRQSKLPDP NEVGNAGSFF KNPVVSSEHF
     EEIKKHHENL PHFPQADGSV KLAAGWLIDQ CNLKGFQIGG AAVHKKQALV LINKNGATGQ
     DVVKLAHHVR QTVAEKFGVY LQPEVRFISA TGEVNSEQII T