HEM1_RHOJR
ID HEM1_RHOJR Reviewed; 479 AA.
AC Q0SF26;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-SEP-2006, sequence version 1.
DT 03-AUG-2022, entry version 122.
DE RecName: Full=Glutamyl-tRNA reductase {ECO:0000255|HAMAP-Rule:MF_00087};
DE Short=GluTR {ECO:0000255|HAMAP-Rule:MF_00087};
DE EC=1.2.1.70 {ECO:0000255|HAMAP-Rule:MF_00087};
GN Name=hemA {ECO:0000255|HAMAP-Rule:MF_00087};
GN OrderedLocusNames=RHA1_ro02053;
OS Rhodococcus jostii (strain RHA1).
OC Bacteria; Actinobacteria; Corynebacteriales; Nocardiaceae; Rhodococcus.
OX NCBI_TaxID=101510;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RHA1;
RX PubMed=17030794; DOI=10.1073/pnas.0607048103;
RA McLeod M.P., Warren R.L., Hsiao W.W.L., Araki N., Myhre M., Fernandes C.,
RA Miyazawa D., Wong W., Lillquist A.L., Wang D., Dosanjh M., Hara H.,
RA Petrescu A., Morin R.D., Yang G., Stott J.M., Schein J.E., Shin H.,
RA Smailus D., Siddiqui A.S., Marra M.A., Jones S.J.M., Holt R.,
RA Brinkman F.S.L., Miyauchi K., Fukuda M., Davies J.E., Mohn W.W.,
RA Eltis L.D.;
RT "The complete genome of Rhodococcus sp. RHA1 provides insights into a
RT catabolic powerhouse.";
RL Proc. Natl. Acad. Sci. U.S.A. 103:15582-15587(2006).
CC -!- FUNCTION: Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu)
CC to glutamate 1-semialdehyde (GSA). {ECO:0000255|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; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00087};
CC -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC biosynthesis; 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 1/2.
CC {ECO:0000255|HAMAP-Rule:MF_00087}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|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:0000255|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:0000255|HAMAP-Rule:MF_00087}.
CC -!- SIMILARITY: Belongs to the glutamyl-tRNA reductase family.
CC {ECO:0000255|HAMAP-Rule:MF_00087}.
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DR EMBL; CP000431; ABG93860.1; -; Genomic_DNA.
DR RefSeq; WP_011594902.1; NC_008268.1.
DR AlphaFoldDB; Q0SF26; -.
DR SMR; Q0SF26; -.
DR STRING; 101510.RHA1_ro02053; -.
DR EnsemblBacteria; ABG93860; ABG93860; RHA1_ro02053.
DR KEGG; rha:RHA1_ro02053; -.
DR PATRIC; fig|101510.16.peg.2078; -.
DR eggNOG; COG0373; Bacteria.
DR HOGENOM; CLU_035113_4_0_11; -.
DR OMA; FAFKCAA; -.
DR UniPathway; UPA00251; UER00316.
DR Proteomes; UP000008710; Chromosome.
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; -; 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 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; SSF51735; SSF51735; 1.
DR SUPFAM; SSF69075; SSF69075; 1.
DR SUPFAM; SSF69742; SSF69742; 1.
DR TIGRFAMs; TIGR01035; hemA; 1.
DR PROSITE; PS00747; GLUTR; 1.
PE 3: Inferred from homology;
KW NADP; Oxidoreductase; Porphyrin biosynthesis; Reference proteome.
FT CHAIN 1..479
FT /note="Glutamyl-tRNA reductase"
FT /id="PRO_0000335065"
FT ACT_SITE 50
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT BINDING 49..52
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT BINDING 109
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT BINDING 114..116
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT BINDING 120
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT BINDING 191..196
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT SITE 99
FT /note="Important for activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
SQ SEQUENCE 479 AA; 49932 MW; 77CE63C13CC79C2C CRC64;
MSVLLVGVSH RTAPVPVLER VAVTDTDRPK LTDKLLASSH ISEAMIVSTC NRVEIYAVVD
AFHGALAEVG ELLADHSGLD LTDLHRHAYV RYSEAAAEHL FAVASGLDSM VIGEQQILGQ
IRTAYASSDA QQAAGRTLHE LAQQALRVGK RVHSETGIDS AGASVVSVAL DRAAGIVGDG
GLTGRTAVVV GAGSMGGLSV AHLTRAGIGR IVVVNRTKER AEHLADTARA NGVEAEALEL
SELPAAMAQA DVLVTCTGAV GAVVTLADTH RALAQPGRDA ERPLVICDLG LPRDVEPAVS
GLPGVTVLDM ESLQRDPAAG AAASDADAAR TIVAAELANY LAGQRLAEVT PTVTALRQRA
ADVVEAELMR LDSRLPGLDD PERDEVARTV RRVVDKLLHA PTVRVKQLAS APGGDSYAAA
LRELFELSPG SVEAVAKPTD LGGATDLSAI DITDGFIAGQ DPRLRRFVTD DNHGKESQA
