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Database: UniProt
Entry: R6NVU9_9FIRM
LinkDB: R6NVU9_9FIRM
Original site: R6NVU9_9FIRM 
ID   R6NVU9_9FIRM            Unreviewed;       410 AA.
AC   R6NVU9;
DT   24-JUL-2013, integrated into UniProtKB/TrEMBL.
DT   24-JUL-2013, sequence version 1.
DT   24-JAN-2024, entry version 44.
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=BN627_00624 {ECO:0000313|EMBL:CDC10381.1};
OS   Lachnospiraceae bacterium CAG:364.
OC   Bacteria; Bacillota; Clostridia; Eubacteriales; Lachnospiraceae.
OX   NCBI_TaxID=1262983 {ECO:0000313|EMBL:CDC10381.1, ECO:0000313|Proteomes:UP000017986};
RN   [1] {ECO:0000313|EMBL:CDC10381.1, ECO:0000313|Proteomes:UP000017986}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MGS:364 {ECO:0000313|Proteomes:UP000017986};
RA   Nielsen H.B., Almeida M., Juncker A.S., Rasmussen S., Li J., Sunagawa S.,
RA   Plichta D., Gautier L., Le Chatelier E., Peletier E., Bonde I., Nielsen T.,
RA   Manichanh C., Arumugam M., Batto J., Santos M.B.Q.D., Blom N., Borruel N.,
RA   Burgdorf K.S., Boumezbeur F., Casellas F., Dore J., Guarner F., Hansen T.,
RA   Hildebrand F., Kaas R.S., Kennedy S., Kristiansen K., Kultima J.R.,
RA   Leonard P., Levenez F., Lund O., Moumen B., Le Paslier D., Pons N.,
RA   Pedersen O., Prifti E., Qin J., Raes J., Tap J., Tims S., Ussery D.W.,
RA   Yamada T., MetaHit consortium, Renault P., Sicheritz-Ponten T., Bork P.,
RA   Wang J., Brunak S., Ehrlich S.D.;
RT   "Dependencies among metagenomic species, viruses, plasmids and units of
RT   genetic variation.";
RL   Submitted (NOV-2012) 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:CDC10381.1}.
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DR   EMBL; CBER010000138; CDC10381.1; -; Genomic_DNA.
DR   AlphaFoldDB; R6NVU9; -.
DR   UniPathway; UPA00251; UER00316.
DR   Proteomes; UP000017986; 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   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; 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; SSF51735; NAD(P)-binding Rossmann-fold domains; 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:UP000017986}.
FT   DOMAIN          6..153
FT                   /note="Glutamyl-tRNA reductase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF05201"
FT   DOMAIN          177..297
FT                   /note="Quinate/shikimate 5-dehydrogenase/glutamyl-tRNA
FT                   reductase"
FT                   /evidence="ECO:0000259|Pfam:PF01488"
FT   DOMAIN          312..409
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   410 AA;  46100 MW;  A186D63A45B37663 CRC64;
     MSISMVGIDY NKASVDIRAQ FSFTKRNAAA AMEKLKEAPG ILGCIILSTC NRMEIWASTQ
     EEWEGSLFDF LCEEKGKNPE EFRRYFVERR EEEAIEHLFY LTSGLKSQIL AEDQIITQVK
     DALSMARDVY CTDNVLEVLF RMAVTAAKRV KTEVVFSRGN SSVIHQAIQK LRETGYSLDG
     SNCMVIGNGE MGKVAALALA EAGAHVTVTV RQYRSGIVSI PKGCDRINYG ERMEFFPSCD
     LIVSATASPN FTLTKELIQQ AATGKKQQIL IDLAVPRDIE PSVNEIEGIT LYDIDSFKID
     TNSLELQESM QKAAAILREQ MEDFYCWYDG RSLIPRIQDI QAEAVQDLNL RILKILRKTP
     MEDEDRENLL NAIDVAAGKV VSKMMFGLRD TLEKEEFINC VEGLEKLYGA
//
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