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Database: UniProt
Entry: A0A2K4G3A0_9PSED
LinkDB: A0A2K4G3A0_9PSED
Original site: A0A2K4G3A0_9PSED 
ID   A0A2K4G3A0_9PSED        Unreviewed;       429 AA.
AC   A0A2K4G3A0;
DT   28-MAR-2018, integrated into UniProtKB/TrEMBL.
DT   28-MAR-2018, sequence version 1.
DT   24-JAN-2024, entry version 26.
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=C1886_18650 {ECO:0000313|EMBL:POA18074.1};
OS   Pseudomonas sp. FW300-N1A1.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=2075555 {ECO:0000313|EMBL:POA18074.1, ECO:0000313|Proteomes:UP000236411};
RN   [1] {ECO:0000313|EMBL:POA18074.1, ECO:0000313|Proteomes:UP000236411}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=FW300-N1A1 {ECO:0000313|EMBL:POA18074.1,
RC   ECO:0000313|Proteomes:UP000236411};
RA   Spencer S.J., Aaring A.B., Hendricks A., Penterman J., Chakraborty R.,
RA   Alm E.J.;
RT   "Whole genome sequencing of deep branching strains shows evolution and
RT   exchange across a contaminated watershed.";
RL   Submitted (JAN-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: 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:POA18074.1}.
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DR   EMBL; PPSF01000049; POA18074.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A2K4G3A0; -.
DR   UniPathway; UPA00251; UER00316.
DR   Proteomes; UP000236411; 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; 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 {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}.
FT   DOMAIN          6..154
FT                   /note="Glutamyl-tRNA reductase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF05201"
FT   DOMAIN          170..304
FT                   /note="Quinate/shikimate 5-dehydrogenase/glutamyl-tRNA
FT                   reductase"
FT                   /evidence="ECO:0000259|Pfam:PF01488"
FT   DOMAIN          319..415
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                   ECO:0000256|PIRSR:PIRSR000445-1"
FT   BINDING         49..52
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-2"
FT   BINDING         107
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-2"
FT   BINDING         112..114
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-2"
FT   BINDING         118
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-2"
FT   BINDING         187..192
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-3"
FT   SITE            97
FT                   /note="Important for activity"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00087,
FT                   ECO:0000256|PIRSR:PIRSR000445-4"
SQ   SEQUENCE   429 AA;  46705 MW;  51AFAAFE1F47F4F5 CRC64;
     MAFLALGINH KTASVDVRER VAFTPEQLVE ALQQLCRLTD SREAAILSTC NRSELYIEQD
     HLSADGVLRW LADYHHLSLD ELRASAYVHE EDAAVRHMMR VASGLDSLVL GEPQILGQMK
     SAYAVAREAG TIGPLLGRLF QATFNAAKQV RTDTAIGENP VSVAFAAVSL AKQIFSDLQR
     SQALLIGAGE TITLVARHLH ELGVKRIVVA NRTLERASLL AEQFGAHAVL LSDIPAELVR
     SDIVISSTAS QLPILGKGAV ESALKLRKHK PIFMVDIAVP RDIEPEVGEL DDVYLYSVDD
     LHEVVAENLK SRQGAAQAAE EMVSIGADDF MVRLRELAAV DVLKAYRQQS ERLRDEELLK
     AQRMLANGSS AEDVLVQLAR GLTNKLLHAP SVQLKKLTAE GRLDALAMAQ ELFALGEGAS
     DSSSDKKSQ
//
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