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
//