ID   GSA_HAES1               Reviewed;         432 AA.
AC   Q0I3R7;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 93.
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}; OrderedLocusNames=HS_1229;
OS   Haemophilus somnus (strain 129Pt) (Histophilus somni).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Histophilus.
OX   NCBI_TaxID=205914;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=129Pt;
RX   PubMed=17172329; DOI=10.1128/jb.01422-06;
RA   Challacombe J.F., Duncan A.J., Brettin T.S., Bruce D., Chertkov O.,
RA   Detter J.C., Han C.S., Misra M., Richardson P., Tapia R., Thayer N.,
RA   Xie G., Inzana T.J.;
RT   "Complete genome sequence of Haemophilus somnus (Histophilus somni) strain
RT   129Pt and comparison to Haemophilus ducreyi 35000HP and Haemophilus
RT   influenzae Rd.";
RL   J. Bacteriol. 189:1890-1898(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}.
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DR   EMBL; CP000436; ABI25504.1; -; Genomic_DNA.
DR   RefSeq; WP_011609384.1; NC_008309.1.
DR   AlphaFoldDB; Q0I3R7; -.
DR   SMR; Q0I3R7; -.
DR   STRING; 205914.HS_1229; -.
DR   EnsemblBacteria; ABI25504; ABI25504; HS_1229.
DR   KEGG; hso:HS_1229; -.
DR   eggNOG; COG0001; Bacteria.
DR   HOGENOM; CLU_016922_1_5_6; -.
DR   OMA; WGPLIFG; -.
DR   UniPathway; UPA00251; UER00317.
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:0008483; F:transaminase activity; IEA:InterPro.
DR   GO; GO:0006782; P:protoporphyrinogen IX biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd00610; OAT_like; 1.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   HAMAP; MF_00375; HemL_aminotrans_3; 1.
DR   InterPro; IPR004639; 4pyrrol_synth_GluAld_NH2Trfase.
DR   InterPro; IPR005814; Aminotrans_3.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   Pfam; PF00202; Aminotran_3; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR00713; hemL; 1.
DR   PROSITE; PS00600; AA_TRANSFER_CLASS_3; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Isomerase; Porphyrin biosynthesis; Pyridoxal phosphate.
FT   CHAIN           1..432
FT                   /note="Glutamate-1-semialdehyde 2,1-aminomutase"
FT                   /id="PRO_0000300917"
FT   MOD_RES         265
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00375"
SQ   SEQUENCE   432 AA;  46507 MW;  F2E738256CDDA15E CRC64;
     MTTSATLFSR AQQVIPGGVN SPVRAFKGVG GTPVFIEKAN GAYIFDTEGK QYIDYVGSWG
     PMILGHNHPS ILSAVLKTAE NGLSFGTPTP LEIELAELIC QLVPSIEMVR MVNSGTEATM
     SAIRLARGYT KRDKILKFEG CYHGHSDSLL VKAGSGSLTL GQPSSPGVPE DFAKHTITCE
     YNNLQSVKNA FEQYPDQIAC VIVEPVAGNM NCILPKQDFL QGLRQLCNEY GSLFIIDEVM
     TGFRVALGGA QSYYEVTPDL TTLGKVIGGG MPVGAFGGKK EIMQYIAPTG PVYQAGTLSG
     NPIAMSAGIA CLNELKKEGN EQRLAMLTKK LALGLKNLAN QHNIPLVVNY VGGMFGIFFT
     TQNEVTSYQQ AIQCDVEKFN LFFHKMLEQG VYLAPSAFEA GFMSLAHTDA DIDRTLQAAD
     IAFASLCSSS FS