ID   GSA_IGNH4               Reviewed;         423 AA.
AC   A8AAB3;
DT   01-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   25-MAY-2022, entry version 79.
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=Igni_0683;
OS   Ignicoccus hospitalis (strain KIN4/I / DSM 18386 / JCM 14125).
OC   Archaea; Crenarchaeota; Thermoprotei; Desulfurococcales;
OC   Desulfurococcaceae; Ignicoccus.
OX   NCBI_TaxID=453591;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KIN4/I / DSM 18386 / JCM 14125;
RX   PubMed=19000309; DOI=10.1186/gb-2008-9-11-r158;
RA   Podar M., Anderson I., Makarova K.S., Elkins J.G., Ivanova N., Wall M.A.,
RA   Lykidis A., Mavromatis K., Sun H., Hudson M.E., Chen W., Deciu C.,
RA   Hutchison D., Eads J.R., Anderson A., Fernandes F., Szeto E., Lapidus A.,
RA   Kyrpides N.C., Saier M.H. Jr., Richardson P.M., Rachel R., Huber H.,
RA   Eisen J.A., Koonin E.V., Keller M., Stetter K.O.;
RT   "A genomic analysis of the archaeal system Ignicoccus hospitalis-
RT   Nanoarchaeum equitans.";
RL   Genome Biol. 9:R158.1-R158.18(2008).
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   -!- 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; CP000816; ABU81865.1; -; Genomic_DNA.
DR   RefSeq; WP_011998717.1; NC_009776.1.
DR   AlphaFoldDB; A8AAB3; -.
DR   SMR; A8AAB3; -.
DR   STRING; 453591.Igni_0683; -.
DR   EnsemblBacteria; ABU81865; ABU81865; Igni_0683.
DR   GeneID; 5561840; -.
DR   KEGG; iho:Igni_0683; -.
DR   eggNOG; arCOG00918; Archaea.
DR   HOGENOM; CLU_016922_1_5_2; -.
DR   OMA; WGPLIFG; -.
DR   OrthoDB; 10264at2157; -.
DR   PhylomeDB; A8AAB3; -.
DR   UniPathway; UPA00251; UER00317.
DR   Proteomes; UP000000262; 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: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;
KW   Reference proteome.
FT   CHAIN           1..423
FT                   /note="Glutamate-1-semialdehyde 2,1-aminomutase"
FT                   /id="PRO_0000382395"
FT   MOD_RES         263
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00375"
SQ   SEQUENCE   423 AA;  45539 MW;  0F6FFB0AB5C2E704 CRC64;
     MDRSLELFQI AKNLFPGGVN SPIRAAVKPY PFYVKKASGA TLVTVDGVEL IDYVLGYGPL
     ILGHMHPKVL EAVEEQLNRG WLYGTPHELE IELAKKIVSH YPSIDMVRFV NSGTEATMTA
     IRLARGFTKK NKIIKFDGCY HGAHDSVLVK AGSAVSHFGV PGSAGVPEEV SKLTLVVPFN
     DVEAVEKVAK ENQDDLAAII VEPVMGNAGV IPPKEGFLKE LRRIADETGA LLIFDEVITG
     YRLGLGGAQA KFGVVPDLTT LGKIVGGGFP VGVVGGKREI MEYLTPSGPV FNAGTFNAHP
     VTMAAGLATI NELERGYVYE VANSAAEKVA KALEQEAVAK FGGVVHRVAS MFQWFPGVEE
     VNNYADALKA NKEISLRLHE ELLKRGVFIA PSLFEAWFTS AAHGEDVVNK TLEALSEALK
     VIS