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HEM1_DESVH
ID   HEM1_DESVH              Reviewed;         440 AA.
AC   Q72C23;
DT   01-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 113.
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}; OrderedLocusNames=DVU_1461;
OS   Desulfovibrio vulgaris (strain ATCC 29579 / DSM 644 / NCIMB 8303 / VKM
OS   B-1760 / Hildenborough).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfovibrionales;
OC   Desulfovibrionaceae; Desulfovibrio.
OX   NCBI_TaxID=882;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29579 / DSM 644 / NCIMB 8303 / VKM B-1760 / Hildenborough;
RX   PubMed=15077118; DOI=10.1038/nbt959;
RA   Heidelberg J.F., Seshadri R., Haveman S.A., Hemme C.L., Paulsen I.T.,
RA   Kolonay J.F., Eisen J.A., Ward N.L., Methe B.A., Brinkac L.M.,
RA   Daugherty S.C., DeBoy R.T., Dodson R.J., Durkin A.S., Madupu R.,
RA   Nelson W.C., Sullivan S.A., Fouts D.E., Haft D.H., Selengut J.,
RA   Peterson J.D., Davidsen T.M., Zafar N., Zhou L., Radune D., Dimitrov G.,
RA   Hance M., Tran K., Khouri H.M., Gill J., Utterback T.R., Feldblyum T.V.,
RA   Wall J.D., Voordouw G., Fraser C.M.;
RT   "The genome sequence of the anaerobic, sulfate-reducing bacterium
RT   Desulfovibrio vulgaris Hildenborough.";
RL   Nat. Biotechnol. 22:554-559(2004).
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}.
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DR   EMBL; AE017285; AAS95939.1; -; Genomic_DNA.
DR   RefSeq; WP_010938754.1; NZ_CABHLV010000001.1.
DR   RefSeq; YP_010680.1; NC_002937.3.
DR   AlphaFoldDB; Q72C23; -.
DR   SMR; Q72C23; -.
DR   IntAct; Q72C23; 1.
DR   STRING; 882.DVU_1461; -.
DR   PaxDb; Q72C23; -.
DR   EnsemblBacteria; AAS95939; AAS95939; DVU_1461.
DR   KEGG; dvu:DVU_1461; -.
DR   PATRIC; fig|882.5.peg.1360; -.
DR   eggNOG; COG0373; Bacteria.
DR   HOGENOM; CLU_035113_2_2_7; -.
DR   OMA; FAFKCAA; -.
DR   PhylomeDB; Q72C23; -.
DR   UniPathway; UPA00251; UER00316.
DR   Proteomes; UP000002194; 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   Gene3D; 3.30.460.30; -; 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   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; SSF51735; SSF51735; 1.
DR   SUPFAM; SSF69075; SSF69075; 1.
DR   SUPFAM; SSF69742; SSF69742; 1.
DR   TIGRFAMs; TIGR01035; hemA; 1.
DR   PROSITE; PS00747; GLUTR; 1.
PE   3: Inferred from homology;
KW   NADP; Oxidoreductase; Porphyrin biosynthesis; Reference proteome.
FT   CHAIN           1..440
FT                   /note="Glutamyl-tRNA reductase"
FT                   /id="PRO_0000114021"
FT   ACT_SITE        51
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT   BINDING         50..53
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   440 AA;  50045 MW;  D166E5291B50E3BF CRC64;
     MERDIYLIGL NHRTAGVEVR ERFALTDCNV LEQGVVPIDD VVSEVLILST CNRVEILAVG
     RGPEVVSRVL RGWSAARGQC EHDLAPYVYT HKGPEAIRHL FRVASSLDSM VVGEPQILGQ
     LKDAYRKAIE RNCTRVILNR LLHKAFSVAK RVRTETGVAS SAVSISYAAV ELAKRIFGEM
     NQYKAMLIGA GEMAELAATH LLHAGISKIY VANRTFERGR ELARQFNGEA IHFEDLFERL
     ADADIIISST GAHEAIIRAR DIKDVLRRRK HRPMFFIDIA VPRDIDPDVN NLDNVYLYDI
     DDLKEVVEEN LAQRREEASK ALTIVEEETG KFGQWLRSLE LQPTIVDLIR RSERIAQDEL
     ARTLKRLGPV DDETRDALEA MLSSMVRKLN HEPITFLKRR HSEEDAGPRY IDIARRMFNL
     DDDNVPPDAH CDRRRHDEDN
 
 
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