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Database: UniProt
Entry: A0A117RX50_9ACTN
LinkDB: A0A117RX50_9ACTN
Original site: A0A117RX50_9ACTN 
ID   A0A117RX50_9ACTN        Unreviewed;       564 AA.
AC   A0A117RX50;
DT   13-APR-2016, integrated into UniProtKB/TrEMBL.
DT   13-APR-2016, sequence version 1.
DT   24-JAN-2024, entry version 29.
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=AQJ91_46675 {ECO:0000313|EMBL:KUO14467.1};
OS   Streptomyces dysideae.
OC   Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC   Streptomycetaceae; Streptomyces.
OX   NCBI_TaxID=909626 {ECO:0000313|EMBL:KUO14467.1, ECO:0000313|Proteomes:UP000053260};
RN   [1] {ECO:0000313|EMBL:KUO14467.1, ECO:0000313|Proteomes:UP000053260}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RV15 {ECO:0000313|EMBL:KUO14467.1,
RC   ECO:0000313|Proteomes:UP000053260};
RA   Ruckert C., Abdelmohsen U.R., Winkler A., Hentschel U., Kalinowski J.,
RA   Kampfer P., Glaeser S.;
RT   "Draft genome sequence of Streptomyces sp. RV15, isolated from a marine
RT   sponge.";
RL   Submitted (OCT-2015) 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: 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:KUO14467.1}.
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DR   EMBL; LMXB01000148; KUO14467.1; -; Genomic_DNA.
DR   RefSeq; WP_067035958.1; NZ_KQ949139.1.
DR   AlphaFoldDB; A0A117RX50; -.
DR   STRING; 909626.AQJ91_46675; -.
DR   OrthoDB; 110209at2; -.
DR   UniPathway; UPA00251; UER00316.
DR   Proteomes; UP000053260; 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; 2.
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   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:UP000053260}.
FT   DOMAIN          6..156
FT                   /note="Glutamyl-tRNA reductase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF05201"
FT   DOMAIN          184..277
FT                   /note="Quinate/shikimate 5-dehydrogenase/glutamyl-tRNA
FT                   reductase"
FT                   /evidence="ECO:0000259|Pfam:PF01488"
FT   DOMAIN          443..542
FT                   /note="Tetrapyrrole biosynthesis glutamyl-tRNA reductase
FT                   dimerisation"
FT                   /evidence="ECO:0000259|Pfam:PF00745"
FT   ACT_SITE        50
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087"
FT   BINDING         49..52
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087"
FT   BINDING         109
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087"
FT   BINDING         114..116
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087"
FT   BINDING         120
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087"
FT   BINDING         192..197
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087"
FT   SITE            99
FT                   /note="Important for activity"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087"
SQ   SEQUENCE   564 AA;  58778 MW;  26D381AD495748D1 CRC64;
     MSLLVVGLSH RSAPVSVLER AALHADAQIK LLQDTVAAEP ATEAAVLATC NRIELYADVD
     KFHAGVAELS TLLAQHSGVG LEELTPYLYV HYEDRAVHHL FSVACGLDSM VVGEGQVLGQ
     IKDSLAKAQD LHSAGRLLND LFQQALRVGK RAHSETGIDR AGQSLVTFGL EQLSFGTPVD
     DWARGKKALV IGAGSMSSLA AATLARAGVA EIVVANRTSD RAERLAQILT ESGDTDVPAR
     AVPMESVPAE LTRADLAVSC TGATGLVLTA DAVAAAVGGR VPEGAVAGRT AVGDGVREEL
     PPTSVGTDEG CPLDLSVAQS GFSVMGEAAV AGMDAATLEQ HAAWVTGGAV DRREAARRSP
     EADAELITAL AATAAAIGRI PERRRPEPAV EAVRPEPVLF LLDLAMPRDI DAAAHRLAGV
     RLVDIESLAE ASADAPMAAD VDQVRRIVSD EVAAFGAAQR AAHITPTVVA LRTMAADVVA
     NEIARLEGRL PELDDKHRSE ITQTVKRVVD KLLHAPTVRV KQLAAEPGGA GYADALRTLF
     DLDQETVASV SRAGDSTEKN AGPA
//
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