ID HEM1_VIBCM Reviewed; 419 AA. AC C3LPI5; DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot. DT 16-JUN-2009, sequence version 1. DT 27-MAR-2024, entry version 82. 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=VCM66_2103; OS Vibrio cholerae serotype O1 (strain M66-2). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae; OC Vibrio. OX NCBI_TaxID=579112; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=M66-2; RX PubMed=19115014; DOI=10.1371/journal.pone.0004053; RA Feng L., Reeves P.R., Lan R., Ren Y., Gao C., Zhou Z., Ren Y., Cheng J., RA Wang W., Wang J., Qian W., Li D., Wang L.; RT "A recalibrated molecular clock and independent origins for the cholera RT pandemic clones."; RL PLoS ONE 3:E4053-E4053(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; CP001233; ACP06405.1; -; Genomic_DNA. DR RefSeq; WP_000054219.1; NC_012578.1. DR AlphaFoldDB; C3LPI5; -. DR SMR; C3LPI5; -. DR GeneID; 69719206; -. DR KEGG; vcm:VCM66_2103; -. DR HOGENOM; CLU_035113_2_2_6; -. DR UniPathway; UPA00251; UER00316. DR Proteomes; UP000001217; Chromosome I. 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. FT CHAIN 1..419 FT /note="Glutamyl-tRNA reductase" FT /id="PRO_1000190543" 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 107 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT BINDING 112..114 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT BINDING 118 FT /ligand="substrate" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT BINDING 187..192 FT /ligand="NADP(+)" FT /ligand_id="ChEBI:CHEBI:58349" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" FT SITE 97 FT /note="Important for activity" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087" SQ SEQUENCE 419 AA; 45744 MW; 6D2D870AD3EEF8EC CRC64; MSLLAIGINH NTASVELREK VAFGPEKLSL ALNQLSTSSH VKGGVILSTC NRTEIYCDVR SASKNKVIEW LSQFHQVSLD ELKPSLYVHE EQAAIRHLMR VACGLDSLVL GEPQILGQVK QAYAEARENH AVNPATEKLF QKAFSVAKRV RTETEIGGSA VSVAYAACTL AKHIFESLAD ATVLLVGAGE TIELVAKHLA GHHCKRMIVA NRTRERALSL AQQFGADVIA LNEIPDYLAQ ADIVISSTAS PLPIIGKGMV ESALKARRHQ PMLLVDIAVP RDIEPQVGKL NDAYLYSVDD LQSIVDSNIE QRKVEAIQAE AIVSEESATF MSWMRSLQAV DSIRDYRKQA NEAREELLNK SLQALAAGGD PEKLLIELSN KLTNKLIHTP TRALQTAAEQ GEPAKLAVIR QSLGLDDLN //