ID   GSA_SACEN               Reviewed;         448 AA.
AC   A4FPX3;
DT   01-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-SEP-2009, sequence version 2.
DT   02-SEP-2026, entry version 105.
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=SACE_6935;
OS   Saccharopolyspora erythraea (strain ATCC 11635 / DSM 40517 / JCM 4748 /
OS   NBRC 13426 / NCIMB 8594 / NRRL 2338).
OC   Bacteria; Bacillati; Actinomycetota; Actinomycetes; Pseudonocardiales;
OC   Pseudonocardiaceae; Saccharopolyspora.
OX   NCBI_TaxID=405948;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 11635 / DSM 40517 / JCM 4748 / NBRC 13426 / NCIMB 8594 /
RC   NRRL 2338;
RX   PubMed=17369815; DOI=10.1038/nbt1297;
RA   Oliynyk M., Samborskyy M., Lester J.B., Mironenko T., Scott N., Dickens S.,
RA   Haydock S.F., Leadlay P.F.;
RT   "Complete genome sequence of the erythromycin-producing bacterium
RT   Saccharopolyspora erythraea NRRL23338.";
RL   Nat. Biotechnol. 25:447-453(2007).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAM06098.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AM420293; CAM06098.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_021341652.1; NC_009142.1.
DR   AlphaFoldDB; A4FPX3; -.
DR   SMR; A4FPX3; -.
DR   STRING; 405948.SACE_6935; -.
DR   GeneID; 306463318; -.
DR   KEGG; sen:SACE_6935; -.
DR   eggNOG; COG0001; Bacteria.
DR   HOGENOM; CLU_016922_1_5_11; -.
DR   OrthoDB; 9801052at2; -.
DR   UniPathway; UPA00251; UER00317.
DR   Proteomes; UP000006728; 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   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..448
FT                   /note="Glutamate-1-semialdehyde 2,1-aminomutase"
FT                   /id="PRO_0000382365"
FT   MOD_RES         279
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00375"
SQ   SEQUENCE   448 AA;  46064 MW;  F66AC6D28566FFA6 CRC64;
     MTAANPASTP NPESAPRSRE LFDRALAVTP GGVNSPVRAF HSVGGTPRFM VRGEGTYLWD
     ADDNRYVDLV SSWGPMINGH AHPDVVRAVR QAAAGGLSFG TPGVGEIDLA AEIIDRVGPV
     EQVRLVNSGT EATMSAVRLA RGFTGRRKVV KFAGCYHGHV DALLASAGSG VATLGLPTTP
     GVTGAQAADT IVLPYNDLDA VRRTFAEYGD EIACVITEAA AGNMGAIAPA PGFNGGLREI
     TSSAGALLVM DEVMTGFRVS AAGWFGIDGV AGDLYTFGKV MSGGLPAAAF GGRADVMERL
     APSGPVYQAG TLAGNPVAVA AGLANLRAAT PEVYAALDRN AERLGELLGS ALSAEGVPHQ
     VAFAGNLVSV FFSEDPVRDY AGAQAQQSWR FPPFFHALLE RGIYPPPSAF EAWFVNAAMD
     DAAFDAIAEA LPHAAKAAAA ATEPGAGA
//