ID HEM1_SHOC1 Reviewed; 454 AA. AC Q5WEP3; DT 01-FEB-2005, integrated into UniProtKB/Swiss-Prot. DT 23-NOV-2004, sequence version 1. DT 27-MAR-2024, entry version 112. 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=ABC2632; OS Shouchella clausii (strain KSM-K16) (Alkalihalobacillus clausii). OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Shouchella. OX NCBI_TaxID=66692; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=KSM-K16; RA Takaki Y., Kageyama Y., Shimamura S., Suzuki H., Nishi S., Hatada Y., RA Kawai S., Ito S., Horikoshi K.; RT "The complete genome sequence of the alkaliphilic Bacillus clausii KSM- RT K16."; RL Submitted (OCT-2003) to the EMBL/GenBank/DDBJ databases. 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; AP006627; BAD65167.1; -; Genomic_DNA. DR RefSeq; WP_011247475.1; NC_006582.1. DR AlphaFoldDB; Q5WEP3; -. DR SMR; Q5WEP3; -. DR STRING; 66692.ABC2632; -. DR KEGG; bcl:ABC2632; -. DR eggNOG; COG0373; Bacteria. DR HOGENOM; CLU_035113_2_2_9; -. DR OrthoDB; 110209at2; -. DR UniPathway; UPA00251; UER00316. DR Proteomes; UP000001168; Chromosome. 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; PTHR43013; GLUTAMYL-TRNA REDUCTASE; 1. DR PANTHER; PTHR43013:SF1; GLUTAMYL-TRNA REDUCTASE; 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; Reference proteome. FT CHAIN 1..454 FT /note="Glutamyl-tRNA reductase" FT /id="PRO_0000113995" FT REGION 432..454 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 440..454 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" 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 454 AA; 50518 MW; C8030B025A7C94A9 CRC64; MHTIAIGLNY KTAPVEIREK LVFSEHQLPE ALKKLRSSKS MMECVILSTC NRTELYVVAD QLHTGRYFAK AFLAEWFSVD MEDVTPYLVI RENDHAIEHL FRVACGLDSM VIGETQILGQ VKQAFLLAQE EKVTGTVFNQ LFKQAVTLGK RVHSSTEISS QAVSVSYAGV ELGKKIFGTF SGKHVLILGA GKMSELTAKH LYANGAASIS VMNRTKENAV ELASQFAGTA RSFAELNDAL KEADVVISST GARDFVVTKE NAADALKKRK GRPLFAIDIA VPRDIDPEIA TISDVYLYDI DDLQNIVETN KKERKKEAEK IGVMIEAEID DFKAWLNTLG VVPLITALRE KALQIQGDTM ESIERKLPHL SERDIKVLNK HTKSIVNQLL RDPLTRVKEL AAEPDAKHSL ELFKTIFALE AQIELAEKAE ADHAEQSWKE GQRPSLNQGM ALRT //