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Database: UniProt
Entry: A0A3D8J797_9HELI
LinkDB: A0A3D8J797_9HELI
Original site: A0A3D8J797_9HELI 
ID   A0A3D8J797_9HELI        Unreviewed;       442 AA.
AC   A0A3D8J797;
DT   16-JAN-2019, integrated into UniProtKB/TrEMBL.
DT   16-JAN-2019, sequence version 1.
DT   24-JAN-2024, entry version 17.
DE   RecName: Full=Glutamyl-tRNA reductase {ECO:0000256|ARBA:ARBA00012970, ECO:0000256|HAMAP-Rule:MF_00087};
DE            Short=GluTR {ECO:0000256|HAMAP-Rule:MF_00087};
DE            EC=1.2.1.70 {ECO:0000256|ARBA:ARBA00012970, ECO:0000256|HAMAP-Rule:MF_00087};
GN   Name=hemA {ECO:0000256|HAMAP-Rule:MF_00087};
GN   ORFNames=CQA57_05270 {ECO:0000313|EMBL:RDU73298.1};
OS   Helicobacter anseris.
OC   Bacteria; Campylobacterota; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=375926 {ECO:0000313|EMBL:RDU73298.1, ECO:0000313|Proteomes:UP000256695};
RN   [1] {ECO:0000313|EMBL:RDU73298.1, ECO:0000313|Proteomes:UP000256695}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 04-9362 {ECO:0000313|EMBL:RDU73298.1,
RC   ECO:0000313|Proteomes:UP000256695};
RA   Mannion A.J., Shen Z., Fox J.G.;
RT   "Novel Campyloabacter and Helicobacter Species and Strains.";
RL   Submitted (APR-2018) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu)
CC       to glutamate 1-semialdehyde (GSA). {ECO:0000256|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;
CC         Evidence={ECO:0000256|ARBA:ARBA00001415, ECO:0000256|HAMAP-
CC         Rule:MF_00087, ECO:0000256|RuleBase:RU000584};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC       biosynthesis; 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 1/2.
CC       {ECO:0000256|ARBA:ARBA00005059, ECO:0000256|HAMAP-Rule:MF_00087,
CC       ECO:0000256|RuleBase:RU000584}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_00087}.
CC   -!- SIMILARITY: Belongs to the glutamyl-tRNA reductase family.
CC       {ECO:0000256|ARBA:ARBA00005916, ECO:0000256|HAMAP-Rule:MF_00087,
CC       ECO:0000256|RuleBase:RU000584}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00087}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:RDU73298.1}.
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DR   EMBL; NXLX01000011; RDU73298.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A3D8J797; -.
DR   OrthoDB; 110209at2; -.
DR   UniPathway; UPA00251; UER00316.
DR   Proteomes; UP000256695; Unassembled WGS sequence.
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 {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_00087};
KW   Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW   Rule:MF_00087};
KW   Porphyrin biosynthesis {ECO:0000256|ARBA:ARBA00023244, ECO:0000256|HAMAP-
KW   Rule:MF_00087}; Reference proteome {ECO:0000313|Proteomes:UP000256695}.
FT   DOMAIN          11..161
FT                   /note="Glutamyl-tRNA reductase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF05201"
FT   DOMAIN          188..310
FT                   /note="Quinate/shikimate 5-dehydrogenase/glutamyl-tRNA
FT                   reductase"
FT                   /evidence="ECO:0000259|Pfam:PF01488"
FT   DOMAIN          324..421
FT                   /note="Tetrapyrrole biosynthesis glutamyl-tRNA reductase
FT                   dimerisation"
FT                   /evidence="ECO:0000259|Pfam:PF00745"
FT   ACT_SITE        55
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-1"
FT   BINDING         54..57
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-2"
FT   BINDING         114
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-2"
FT   BINDING         119..121
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-2"
FT   BINDING         125
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-2"
FT   BINDING         195..200
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-3"
SQ   SEQUENCE   442 AA;  51249 MW;  A54531CF96E3E1A9 CRC64;
     MEKKLQYFAL SFSHKKTPIE LRERLAFADN AEIYLFLQQI KQLESIEEVI LLSTCNRVEL
     YCYAHTFEET KNFILKNLSQ TKKIDLALLN QSVEIHEHIE AIHYIFCVAS SLESVVVGET
     QIAGQLKDAY KTCFDAGFCS KAFTRLIHFA FRCAAKVRNH TQISGNATSV ASVAIHQAKS
     LQKQYGFDKK ALVIGMGEMG ILSAKYLLDD DYDVMICNRN QQRIQDFISQ CDIKQKQKIS
     ICEFEHLQEK INVYPLLFSA TGASEPIILK NMIKSVDFKR FWFDLAIPRD IEHFEDEKIE
     LFVVDDLKQV AQENLNLRKE SLHKAYEIVG IATMEFSQWL QTLDVEPLIK KIREMAKEAS
     LREINRAVKK GYIPKEYQHN VEKVIHQAFN VFLHKPTQNL RDQVNKQEID IIIESIKNFF
     SIDEDSLLIN TYKCEYDTSK SE
//
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