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HEM1_AERS4
ID   HEM1_AERS4              Reviewed;         418 AA.
AC   A4SK63;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 91.
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=ASA_1174;
OS   Aeromonas salmonicida (strain A449).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Aeromonadales;
OC   Aeromonadaceae; Aeromonas.
OX   NCBI_TaxID=382245;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=A449;
RX   PubMed=18801193; DOI=10.1186/1471-2164-9-427;
RA   Reith M.E., Singh R.K., Curtis B., Boyd J.M., Bouevitch A., Kimball J.,
RA   Munholland J., Murphy C., Sarty D., Williams J., Nash J.H., Johnson S.C.,
RA   Brown L.L.;
RT   "The genome of Aeromonas salmonicida subsp. salmonicida A449: insights into
RT   the evolution of a fish pathogen.";
RL   BMC Genomics 9:427-427(2008).
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; CP000644; ABO89285.1; -; Genomic_DNA.
DR   RefSeq; WP_005317012.1; NC_009348.1.
DR   AlphaFoldDB; A4SK63; -.
DR   SMR; A4SK63; -.
DR   STRING; 382245.ASA_1174; -.
DR   EnsemblBacteria; ABO89285; ABO89285; ASA_1174.
DR   GeneID; 60847399; -.
DR   KEGG; asa:ASA_1174; -.
DR   eggNOG; COG0373; Bacteria.
DR   HOGENOM; CLU_035113_2_2_6; -.
DR   OMA; FAFKCAA; -.
DR   OrthoDB; 1358620at2; -.
DR   UniPathway; UPA00251; UER00316.
DR   Proteomes; UP000000225; 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.
FT   CHAIN           1..418
FT                   /note="Glutamyl-tRNA reductase"
FT                   /id="PRO_1000004589"
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         107
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT   BINDING         112..114
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT   BINDING         118
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT   BINDING         187..192
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
FT   SITE            97
FT                   /note="Important for activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00087"
SQ   SEQUENCE   418 AA;  46615 MW;  ED5501CA57E08D6D CRC64;
     MSLLALGINH NTASVALRER VAFGPDCIDR ALRELVTQPG VSEAVIVSTC NRTELYCSLE
     KGQGEQVLHW LQRFHGLDAA EVVSAIYQHQ DEEAVRHLMR VACGLDSLVL GEPQILGQIK
     QSYAHAQQSE AVKGSLERLF QKSFSVAKRV RTDTEIGASA VSVAFAAVSL GRRIFSDLSQ
     TKVLLVGAGE TIELVARHLR EQNVTRMMVA NRTLQRAQLL AEEFGAQVMT LEEIPDYLHE
     ADIVISSTAS PLPIIGKGMV ERALKARRFK PMFLVDIAVP RDIEAEVDEL SDAYLYTVDD
     LQGIIEQNLE TRKRAAAEAE IIVLEERDEF MGWYRSQHSV DLIRDYRHQA QQVADEELQR
     ALLSLQQGEN AEQALKAMAH RLTNKLIHAP TQALRQAAAQ GDHHQLSRLR QVLGLPQE
 
 
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