ID   GSA2_EXIS2              Reviewed;         436 AA.
AC   B1YJU8;
DT   01-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=Glutamate-1-semialdehyde 2,1-aminomutase 2 {ECO:0000255|HAMAP-Rule:MF_00375};
DE            Short=GSA 2 {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 2 {ECO:0000255|HAMAP-Rule:MF_00375};
DE            Short=GSA-AT 2 {ECO:0000255|HAMAP-Rule:MF_00375};
GN   Name=hemL2 {ECO:0000255|HAMAP-Rule:MF_00375}; OrderedLocusNames=Exig_2134;
OS   Exiguobacterium sibiricum (strain DSM 17290 / CIP 109462 / JCM 13490 /
OS   255-15).
OC   Bacteria; Firmicutes; Bacilli; Bacillales;
OC   Bacillales Family XII. Incertae Sedis; Exiguobacterium.
OX   NCBI_TaxID=262543;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17290 / CIP 109462 / JCM 13490 / 255-15;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Kiss H., Chertkov O., Monk C.,
RA   Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F.,
RA   Land M., Hauser L., Kyrpides N., Mikhailova N., Vishnivetskaya T.,
RA   Rodrigues D.F., Gilichinsky D., Tiedje J., Richardson P.;
RT   "Complete sequence of chromosome of Exiguobacterium sibiricum 255-15.";
RL   Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001022; ACB61586.1; -; Genomic_DNA.
DR   RefSeq; WP_012371003.1; NC_010556.1.
DR   AlphaFoldDB; B1YJU8; -.
DR   SMR; B1YJU8; -.
DR   STRING; 262543.Exig_2134; -.
DR   PRIDE; B1YJU8; -.
DR   EnsemblBacteria; ACB61586; ACB61586; Exig_2134.
DR   KEGG; esi:Exig_2134; -.
DR   eggNOG; COG0001; Bacteria.
DR   HOGENOM; CLU_016922_1_5_9; -.
DR   OMA; WGPLIFG; -.
DR   OrthoDB; 493793at2; -.
DR   UniPathway; UPA00251; UER00317.
DR   Proteomes; UP000001681; 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..436
FT                   /note="Glutamate-1-semialdehyde 2,1-aminomutase 2"
FT                   /id="PRO_0000382314"
FT   MOD_RES         271
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00375"
SQ   SEQUENCE   436 AA;  47038 MW;  4EB5B02EF18C056D CRC64;
     MSLTNQNSKS KAAFERALPL MPGGVNSPVR AYKSVGMTPI FAERAQGSRL YDIDGKEYID
     YVLSWGPMIL GHADPIVTAA IQEQATRGWS YGTPTEIESA MAEVVISRVP SVEVVRMVNS
     GTEATMAALR LARGYTGKTK ILKFEGCYHG HGDSLLIKAG SGVATLGLPD SPGVPAQIAS
     MTLTVPYNDM DAVRIAFEKH GDDIAGVIVE PAAGNMGFVP PQPGFLEGLR EITEQHGTLL
     IFDEVMTGFR VGFNCAQGHF GVTPDITCLG KVIGGGMPVG AYGGRRDIME QIAPQGPIYQ
     AGTLSGNPLA MAAGLATLTQ LKPEHYEEFD RKANRLSEGY LAAAAKYNIP LTTNRAGAMF
     GVFFTDQPVT NFEQAKSSNL DMFRSYYQKM AARGVFLPPS QFEGLFLSTV HTDDDIEQTL
     AAVELTFKEL QLEFNR