ID HEM1_STAA1 Reviewed; 448 AA. AC A7X393; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 23-OCT-2007, sequence version 1. DT 27-MAR-2024, entry version 94. DE RecName: Full=Glutamyl-tRNA reductase {ECO:0000255|HAMAP-Rule:MF_00087}; DE Short=GluTR {ECO:0000255|HAMAP-Rule:MF_00087}; DE EC=1.2.1.70 {ECO:0000255|HAMAP-Rule:MF_00087}; GN Name=hemA {ECO:0000255|HAMAP-Rule:MF_00087}; GN OrderedLocusNames=SAHV_1659; OS Staphylococcus aureus (strain Mu3 / ATCC 700698). OC Bacteria; Bacillota; Bacilli; Bacillales; Staphylococcaceae; OC Staphylococcus. OX NCBI_TaxID=418127; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Mu3 / ATCC 700698; RX PubMed=17954695; DOI=10.1128/aac.00534-07; RA Neoh H.-M., Cui L., Yuzawa H., Takeuchi F., Matsuo M., Hiramatsu K.; RT "Mutated response regulator graR is responsible for phenotypic conversion RT of Staphylococcus aureus from heterogeneous vancomycin-intermediate RT resistance to vancomycin-intermediate resistance."; RL Antimicrob. Agents Chemother. 52:45-53(2008). CC -!- FUNCTION: Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu) CC to glutamate 1-semialdehyde (GSA). {ECO:0000255|HAMAP-Rule:MF_00087}. CC -!- CATALYTIC ACTIVITY: CC Reaction=(S)-4-amino-5-oxopentanoate + NADP(+) + tRNA(Glu) = H(+) + L- CC glutamyl-tRNA(Glu) + NADPH; Xref=Rhea:RHEA:12344, Rhea:RHEA- CC COMP:9663, Rhea:RHEA-COMP:9680, ChEBI:CHEBI:15378, ChEBI:CHEBI:57501, CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:78442, CC ChEBI:CHEBI:78520; EC=1.2.1.70; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00087}; CC -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX CC biosynthesis; 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 1/2. CC {ECO:0000255|HAMAP-Rule:MF_00087}. CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00087}. CC -!- DOMAIN: Possesses an unusual extended V-shaped dimeric structure with CC each monomer consisting of three distinct domains arranged along a CC curved 'spinal' alpha-helix. The N-terminal catalytic domain CC specifically recognizes the glutamate moiety of the substrate. The CC second domain is the NADPH-binding domain, and the third C-terminal CC domain is responsible for dimerization. {ECO:0000255|HAMAP- CC Rule:MF_00087}. CC -!- MISCELLANEOUS: During catalysis, the active site Cys acts as a CC nucleophile attacking the alpha-carbonyl group of tRNA-bound glutamate CC with the formation of a thioester intermediate between enzyme and CC glutamate, and the concomitant release of tRNA(Glu). The thioester CC intermediate is finally reduced by direct hydride transfer from NADPH, CC to form the product GSA. {ECO:0000255|HAMAP-Rule:MF_00087}. CC -!- SIMILARITY: Belongs to the glutamyl-tRNA reductase family. CC {ECO:0000255|HAMAP-Rule:MF_00087}. 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; AP009324; BAF78542.1; -; Genomic_DNA. DR RefSeq; WP_000545451.1; NZ_CTYB01000017.1. DR AlphaFoldDB; A7X393; -. DR SMR; A7X393; -. DR KEGG; saw:SAHV_1659; -. DR HOGENOM; CLU_035113_2_2_9; -. DR UniPathway; UPA00251; UER00316. DR GO; GO:0008883; F:glutamyl-tRNA reductase activity; IEA:UniProtKB-UniRule. DR GO; GO:0050661; F:NADP binding; IEA:InterPro. DR GO; GO:0006782; P:protoporphyrinogen IX biosynthetic process; IEA:UniProtKB-UniPathway. DR CDD; cd05213; NAD_bind_Glutamyl_tRNA_reduct; 1. DR Gene3D; 3.30.460.30; Glutamyl-tRNA reductase, N-terminal domain; 1. DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1. DR HAMAP; MF_00087; Glu_tRNA_reductase; 1. DR InterPro; IPR000343; 4pyrrol_synth_GluRdtase. DR InterPro; IPR015896; 4pyrrol_synth_GluRdtase_dimer. DR InterPro; IPR015895; 4pyrrol_synth_GluRdtase_N. DR InterPro; IPR018214; GluRdtase_CS. DR InterPro; IPR036453; GluRdtase_dimer_dom_sf. DR InterPro; IPR036343; GluRdtase_N_sf. DR InterPro; IPR036291; NAD(P)-bd_dom_sf. DR InterPro; IPR006151; Shikm_DH/Glu-tRNA_Rdtase. DR NCBIfam; TIGR01035; hemA; 1. DR PANTHER; PTHR43120; GLUTAMYL-TRNA REDUCTASE 1, CHLOROPLASTIC; 1. DR PANTHER; PTHR43120:SF1; GLUTAMYL-TRNA REDUCTASE 1, CHLOROPLASTIC; 1. DR Pfam; PF00745; GlutR_dimer; 1. DR Pfam; PF05201; GlutR_N; 1. DR Pfam; PF01488; Shikimate_DH; 1. DR PIRSF; PIRSF000445; 4pyrrol_synth_GluRdtase; 1. DR SUPFAM; SSF69742; Glutamyl tRNA-reductase catalytic, N-terminal domain; 1. DR SUPFAM; SSF69075; Glutamyl tRNA-reductase dimerization domain; 1. DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1. DR PROSITE; PS00747; GLUTR; 1. PE 3: Inferred from homology; KW NADP; Oxidoreductase; Porphyrin biosynthesis. FT CHAIN 1..448 FT /note="Glutamyl-tRNA reductase" FT /id="PRO_1000004700" FT ACT_SITE 50 FT /note="Nucleophile" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT BINDING 49..52 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT BINDING 109 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT BINDING 114..116 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT BINDING 120 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT BINDING 189..194 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT SITE 99 FT /note="Important for activity" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" SQ SEQUENCE 448 AA; 50099 MW; E3E5F81EC9E0F363 CRC64; MHFIAISINH RTADVALREQ VAFRDDALRI AHEDLYETKS ILENVILSTC NRTEVYAVVD QIHTGRYYIQ RFLARAFGFE VDDIKAMSEV KVGDEAVEHL LRVTSGLDSI VLGETQILGQ IRDAFFLAQS TGTTGTIFNH LFKQAITFAK RAHNETDIAD NAVSVSYAAV ELAKKVFGKL KSKQAIIIGA GEMSELSLLN LLGSGITDIT VVNRTIENAM KLAAKHQVKY DELSSLPNLL ESADIVISST SAQSYIITNE MIERIAENRK QDSLVLIDIA VPRDIEPGIS AITNIFNYDV DDLKGLVDAN LRERQLAAAT ISEQIPAEIH AHNEWISMLG VVPVIRALRE KAMAIQAETM DSIDRKLPGL SERERKIISK HTKSIINQML KDPIKQAKEL SSDKKSNEKL ELFQNIFDIE AECPHEQAKQ QKESKVKEIS ARRIFSFE //