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HEM1_MYCVP
ID   HEM1_MYCVP              Reviewed;         456 AA.
AC   A1T3D2;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 98.
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}; OrderedLocusNames=Mvan_0844;
OS   Mycolicibacterium vanbaalenii (strain DSM 7251 / JCM 13017 / BCRC 16820 /
OS   KCTC 9966 / NRRL B-24157 / PYR-1) (Mycobacterium vanbaalenii).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycolicibacterium.
OX   NCBI_TaxID=350058;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 7251 / JCM 13017 / BCRC 16820 / KCTC 9966 / NRRL B-24157 /
RC   PYR-1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Singan V., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Anderson I.J., Miller C., Richardson P.;
RT   "Complete sequence of Mycobacterium vanbaalenii PYR-1.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000511; ABM11682.1; -; Genomic_DNA.
DR   RefSeq; WP_011778117.1; NC_008726.1.
DR   AlphaFoldDB; A1T3D2; -.
DR   SMR; A1T3D2; -.
DR   STRING; 350058.Mvan_0844; -.
DR   EnsemblBacteria; ABM11682; ABM11682; Mvan_0844.
DR   KEGG; mva:Mvan_0844; -.
DR   eggNOG; COG0373; Bacteria.
DR   HOGENOM; CLU_035113_4_0_11; -.
DR   OMA; FAFKCAA; -.
DR   OrthoDB; 1358620at2; -.
DR   UniPathway; UPA00251; UER00316.
DR   Proteomes; UP000009159; 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..456
FT                   /note="Glutamyl-tRNA reductase"
FT                   /id="PRO_1000004652"
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         189..194
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   456 AA;  48085 MW;  FCAFB53269E9233C CRC64;
     MSVLLFGVSH RSAPVSVLEQ LSVDDSDQAK LIDQVLQSSL VTEAMVLSTC NRVEIYAVVE
     AFHGGLSVIG QVLSEHSGMS LQDLTKHAYV RYAEAAVEHL FSVAGGLDSA VIGEQQVLGQ
     VRRAYASAEA NHTVGRTLHE LSQRALAVGK RVHSETGIDA AGASVVSVAL DTAEKKVGSL
     AGRSAVLVGA GSMGALAAKQ LMRAGVERIH VVNRTLPRAA KLAENVRSYG ITAEAFPFDH
     LPPLLTDADI VVTCTGAVRP VVSLADVHRG LAHVREPKEL VICDLGMPRD VDPAVAGLPG
     VFVVDMERIL REPTARAAAT DADAARTIVA AEVAKYLAGQ RMAEVTPTVT ALRQRAADVV
     EAELLRLDNR LPGLDAAHRD EVANTVRRVV DKLLHAPTVR VKQLAGAPGG DSYAEALREL
     FELDQHAVDA VAGTELGPLA GGDELGSLAI DLDMTE
 
 
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