ID GLMU_LACLM Reviewed; 458 AA. AC A2RMV7; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 06-MAR-2007, sequence version 1. DT 27-MAR-2024, entry version 105. DE RecName: Full=Bifunctional protein GlmU {ECO:0000255|HAMAP-Rule:MF_01631}; DE Includes: DE RecName: Full=UDP-N-acetylglucosamine pyrophosphorylase {ECO:0000255|HAMAP-Rule:MF_01631}; DE EC=2.7.7.23 {ECO:0000255|HAMAP-Rule:MF_01631}; DE AltName: Full=N-acetylglucosamine-1-phosphate uridyltransferase {ECO:0000255|HAMAP-Rule:MF_01631}; DE Includes: DE RecName: Full=Glucosamine-1-phosphate N-acetyltransferase {ECO:0000255|HAMAP-Rule:MF_01631}; DE EC=2.3.1.157 {ECO:0000255|HAMAP-Rule:MF_01631}; GN Name=glmU {ECO:0000255|HAMAP-Rule:MF_01631}; GN OrderedLocusNames=llmg_2076; OS Lactococcus lactis subsp. cremoris (strain MG1363). OC Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae; OC Lactococcus; Lactococcus cremoris subsp. cremoris. OX NCBI_TaxID=416870; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=MG1363; RX PubMed=17307855; DOI=10.1128/jb.01768-06; RA Wegmann U., O'Connell-Motherway M., Zomer A., Buist G., Shearman C., RA Canchaya C., Ventura M., Goesmann A., Gasson M.J., Kuipers O.P., RA van Sinderen D., Kok J.; RT "The complete genome sequence of the lactic acid bacterial paradigm RT Lactococcus lactis subsp. cremoris MG1363."; RL J. Bacteriol. 189:3256-3270(2007). CC -!- FUNCTION: Catalyzes the last two sequential reactions in the de novo CC biosynthetic pathway for UDP-N-acetylglucosamine (UDP-GlcNAc). The C- CC terminal domain catalyzes the transfer of acetyl group from acetyl CC coenzyme A to glucosamine-1-phosphate (GlcN-1-P) to produce N- CC acetylglucosamine-1-phosphate (GlcNAc-1-P), which is converted into CC UDP-GlcNAc by the transfer of uridine 5-monophosphate (from uridine 5- CC triphosphate), a reaction catalyzed by the N-terminal domain. CC {ECO:0000255|HAMAP-Rule:MF_01631}. CC -!- CATALYTIC ACTIVITY: CC Reaction=acetyl-CoA + alpha-D-glucosamine 1-phosphate = CoA + H(+) + N- CC acetyl-alpha-D-glucosamine 1-phosphate; Xref=Rhea:RHEA:13725, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57287, ChEBI:CHEBI:57288, CC ChEBI:CHEBI:57776, ChEBI:CHEBI:58516; EC=2.3.1.157; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01631}; CC -!- CATALYTIC ACTIVITY: CC Reaction=H(+) + N-acetyl-alpha-D-glucosamine 1-phosphate + UTP = CC diphosphate + UDP-N-acetyl-alpha-D-glucosamine; Xref=Rhea:RHEA:13509, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:33019, ChEBI:CHEBI:46398, CC ChEBI:CHEBI:57705, ChEBI:CHEBI:57776; EC=2.7.7.23; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01631}; CC -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000255|HAMAP- CC Rule:MF_01631}; CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01631}; CC -!- PATHWAY: Nucleotide-sugar biosynthesis; UDP-N-acetyl-alpha-D- CC glucosamine biosynthesis; N-acetyl-alpha-D-glucosamine 1-phosphate from CC alpha-D-glucosamine 6-phosphate (route II): step 2/2. CC {ECO:0000255|HAMAP-Rule:MF_01631}. CC -!- PATHWAY: Nucleotide-sugar biosynthesis; UDP-N-acetyl-alpha-D- CC glucosamine biosynthesis; UDP-N-acetyl-alpha-D-glucosamine from N- CC acetyl-alpha-D-glucosamine 1-phosphate: step 1/1. {ECO:0000255|HAMAP- CC Rule:MF_01631}. CC -!- PATHWAY: Bacterial outer membrane biogenesis; LPS lipid A biosynthesis. CC {ECO:0000255|HAMAP-Rule:MF_01631}. CC -!- SUBUNIT: Homotrimer. {ECO:0000255|HAMAP-Rule:MF_01631}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01631}. CC -!- SIMILARITY: In the N-terminal section; belongs to the N- CC acetylglucosamine-1-phosphate uridyltransferase family. CC {ECO:0000255|HAMAP-Rule:MF_01631}. CC -!- SIMILARITY: In the C-terminal section; belongs to the transferase CC hexapeptide repeat family. {ECO:0000255|HAMAP-Rule:MF_01631}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AM406671; CAL98643.1; -; Genomic_DNA. DR RefSeq; WP_011835789.1; NZ_WJVF01000004.1. DR AlphaFoldDB; A2RMV7; -. DR SMR; A2RMV7; -. DR STRING; 416870.llmg_2076; -. DR KEGG; llm:llmg_2076; -. DR eggNOG; COG1207; Bacteria. DR HOGENOM; CLU_029499_15_2_9; -. DR OrthoDB; 9775031at2; -. DR PhylomeDB; A2RMV7; -. DR UniPathway; UPA00113; UER00532. DR UniPathway; UPA00113; UER00533. DR UniPathway; UPA00973; -. DR Proteomes; UP000000364; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0019134; F:glucosamine-1-phosphate N-acetyltransferase activity; IEA:UniProtKB-UniRule. DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0003977; F:UDP-N-acetylglucosamine diphosphorylase activity; IEA:UniProtKB-UniRule. DR GO; GO:0000902; P:cell morphogenesis; IEA:UniProtKB-UniRule. DR GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW. DR GO; GO:0009245; P:lipid A biosynthetic process; IEA:UniProtKB-UniPathway. DR GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-UniRule. DR GO; GO:0008360; P:regulation of cell shape; IEA:UniProtKB-KW. DR GO; GO:0006048; P:UDP-N-acetylglucosamine biosynthetic process; IEA:UniProtKB-UniPathway. DR CDD; cd02540; GT2_GlmU_N_bac; 1. DR CDD; cd03353; LbH_GlmU_C; 1. DR Gene3D; 2.160.10.10; Hexapeptide repeat proteins; 1. DR HAMAP; MF_01631; GlmU; 1. DR InterPro; IPR005882; Bifunctional_GlmU. DR InterPro; IPR038009; GlmU_C_LbH. DR InterPro; IPR001451; Hexapep. DR InterPro; IPR005835; NTP_transferase_dom. DR InterPro; IPR029044; Nucleotide-diphossugar_trans. DR InterPro; IPR011004; Trimer_LpxA-like_sf. DR NCBIfam; TIGR01173; glmU; 1. DR PANTHER; PTHR43584:SF3; BIFUNCTIONAL PROTEIN GLMU; 1. DR PANTHER; PTHR43584; NUCLEOTIDYL TRANSFERASE; 1. DR Pfam; PF14602; Hexapep_2; 1. DR Pfam; PF00483; NTP_transferase; 1. DR SUPFAM; SSF53448; Nucleotide-diphospho-sugar transferases; 1. DR SUPFAM; SSF51161; Trimeric LpxA-like enzymes; 1. PE 3: Inferred from homology; KW Acyltransferase; Cell shape; Cell wall biogenesis/degradation; Cytoplasm; KW Magnesium; Metal-binding; Multifunctional enzyme; Nucleotidyltransferase; KW Peptidoglycan synthesis; Repeat; Transferase. FT CHAIN 1..458 FT /note="Bifunctional protein GlmU" FT /id="PRO_1000056169" FT REGION 1..229 FT /note="Pyrophosphorylase" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT REGION 230..250 FT /note="Linker" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT REGION 251..458 FT /note="N-acetyltransferase" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT ACT_SITE 362 FT /note="Proton acceptor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 8..11 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 22 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 72 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 77..78 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 102 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 139 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 154 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 169 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 227 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 227 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 332 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 350 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 365 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 376 FT /ligand="UDP-N-acetyl-alpha-D-glucosamine" FT /ligand_id="ChEBI:CHEBI:57705" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 379 FT /ligand="acetyl-CoA" FT /ligand_id="ChEBI:CHEBI:57288" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 404 FT /ligand="acetyl-CoA" FT /ligand_id="ChEBI:CHEBI:57288" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 422 FT /ligand="acetyl-CoA" FT /ligand_id="ChEBI:CHEBI:57288" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" FT BINDING 439 FT /ligand="acetyl-CoA" FT /ligand_id="ChEBI:CHEBI:57288" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01631" SQ SEQUENCE 458 AA; 49122 MW; 316B0BCDDC8F6546 CRC64; MNKFAIVLAA GKGTRMKSAL PKVLHQVAGK SMLAHVLKSV SEVEIAKNVV IVGHEADRVI ATLPKGTQFV KQVEQLGTGH AVRIAADLLA NEEGATLVIA GDTPLITGET LGALFDYHFA QKATATILTA IAPNPTGYGR IIRDEKDSVE KIVEQKDANA FEKSITEINT GTYIFDNKSL FKALTEITTD NAQGEYYLTD VIEIFKKVGQ TIAAHILDDF DESLGVNDRV ALSQAEATMR KRINHEHMVN GVTLIDPATT YIDSEVTIGA ETVIEANVTI KGNTFIGKNV LITNGSRIEN SEIHSNCEVR NSTVEESRMS VGSNVGPYAH LRPGTVLSEE VHVGNFVEIK GSTLGKGTKA GHLTYIGNAT VGEKVNFGAG TITANFDGKN KFNTEIDDFA FIGSNSTIIA PLHIGKNALT AAGSVVTEDV PDEAVEIGRG KQVNKLGRAK KMPHYRGQ //