ID   GSA_ECO55               Reviewed;         426 AA.
AC   B7LGL6;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   04-NOV-2026, entry version 86.
DE   RecName: Full=Glutamate-1-semialdehyde 2,1-aminomutase {ECO:0000255|HAMAP-Rule:MF_00375};
DE            Short=GSA {ECO:0000255|HAMAP-Rule:MF_00375};
DE            EC=5.4.3.8 {ECO:0000255|HAMAP-Rule:MF_00375};
DE   AltName: Full=Glutamate-1-semialdehyde aminotransferase {ECO:0000255|HAMAP-Rule:MF_00375};
DE            Short=GSA-AT {ECO:0000255|HAMAP-Rule:MF_00375};
GN   Name=hemL {ECO:0000255|HAMAP-Rule:MF_00375};
GN   OrderedLocusNames=EC55989_0148;
OS   Escherichia coli (strain 55989 / EAEC).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Enterobacterales; Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585055;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=55989 / EAEC;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-4-amino-5-oxopentanoate = 5-aminolevulinate;
CC         Xref=Rhea:RHEA:14265, ChEBI:CHEBI:57501, ChEBI:CHEBI:356416;
CC         EC=5.4.3.8; Evidence={ECO:0000255|HAMAP-Rule:MF_00375};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00375};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC       biosynthesis; 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 2/2.
CC       {ECO:0000255|HAMAP-Rule:MF_00375}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00375}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00375}.
CC   -!- SIMILARITY: Belongs to the class-III pyridoxal-phosphate-dependent
CC       aminotransferase family. HemL subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_00375}.
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DR   EMBL; CU928145; CAU96035.1; -; Genomic_DNA.
DR   RefSeq; WP_000045290.1; NC_011748.1.
DR   AlphaFoldDB; B7LGL6; -.
DR   SMR; B7LGL6; -.
DR   KEGG; eck:EC55989_0148; -.
DR   HOGENOM; CLU_016922_1_5_6; -.
DR   OMA; AAAMCER; -.
DR   UniPathway; UPA00251; UER00317.
DR   Proteomes; UP000000746; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0042286; F:glutamate-1-semialdehyde 2,1-aminomutase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR   GO; GO:0033014; P:tetrapyrrole biosynthetic process; IEA:InterPro.
DR   CDD; cd00610; OAT_like; 1.
DR   FunFam; 3.40.640.10:FF:000021; Glutamate-1-semialdehyde 2,1-aminomutase; 1.
DR   FunFam; 3.90.1150.10:FF:000012; Glutamate-1-semialdehyde 2,1-aminomutase; 1.
DR   Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1.
DR   Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR   HAMAP; MF_00375; HemL_aminotrans_3; 1.
DR   InterPro; IPR004639; 4pyrrol_synth_GluAld_NH2Trfase.
DR   InterPro; IPR005814; Aminotrans_3.
DR   InterPro; IPR049704; Aminotrans_3_PPA_site.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   NCBIfam; TIGR00713; hemL; 1.
DR   NCBIfam; NF000818; PRK00062.1; 1.
DR   PANTHER; PTHR43713; GLUTAMATE-1-SEMIALDEHYDE 2,1-AMINOMUTASE; 1.
DR   PANTHER; PTHR43713:SF3; GLUTAMATE-1-SEMIALDEHYDE 2,1-AMINOMUTASE 1, CHLOROPLASTIC-RELATED; 1.
DR   Pfam; PF00202; Aminotran_3; 1.
DR   SUPFAM; SSF53383; PLP-dependent transferases; 1.
DR   PROSITE; PS00600; AA_TRANSFER_CLASS_3; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Isomerase; Porphyrin biosynthesis; Pyridoxal phosphate;
KW   Reference proteome.
FT   CHAIN           1..426
FT                   /note="Glutamate-1-semialdehyde 2,1-aminomutase"
FT                   /id="PRO_1000201018"
FT   MOD_RES         265
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00375"
SQ   SEQUENCE   426 AA;  45356 MW;  D60FF032BF0DF7BA CRC64;
     MSKSENLYSA ARELIPGGVN SPVRAFTGVG GTPLFIEKAD GAYLYDVDGK AYIDYVGSWG
     PMVLGHNHPA IRNAVIEAAE RGLSFGAPTE MEVKMAQLVT ELVPTMDMVR MVNSGTEATM
     SAIRLARGFT GRDKIIKFEG CYHGHADCLL VKAGSGALTL GQPNSPGVPA DFAKHTLTCT
     YNDLASVRAA FEQYPQEIAC IIVEPVAGNM NCVPPLPEFL PGLRALCDEF GALLIIDEVM
     TGFRVALAGA QDYYGVEPDL TCLGKIIGGG MPVGAFGGRR DVMDALAPTG PVYQAGTLSG
     NPIAMAAGFA CLNEVAQPGV HETLDELTSR LAEGLLEAAE EAGIPLVVNH VGGMFGIFFT
     DAESVTCYQD VMACDVERFK RFFHMMLDEG VYLAPSAFEA GFMSVAHSME DINNTIDAAR
     RVFAKL
//