ID   GSA_NATPD               Reviewed;         446 AA.
AC   Q3IT20;
DT   27-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 103.
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=NP_1246A;
OS   Natronomonas pharaonis (strain ATCC 35678 / DSM 2160 / CIP 103997 / JCM
OS   8858 / NBRC 14720 / NCIMB 2260 / Gabara) (Halobacterium pharaonis).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC   Haloarculaceae; Natronomonas.
OX   NCBI_TaxID=348780;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35678 / DSM 2160 / CIP 103997 / JCM 8858 / NBRC 14720 / NCIMB
RC   2260 / Gabara;
RX   PubMed=16169924; DOI=10.1101/gr.3952905;
RA   Falb M., Pfeiffer F., Palm P., Rodewald K., Hickmann V., Tittor J.,
RA   Oesterhelt D.;
RT   "Living with two extremes: conclusions from the genome sequence of
RT   Natronomonas pharaonis.";
RL   Genome Res. 15:1336-1343(2005).
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; CR936257; CAI48714.1; -; Genomic_DNA.
DR   RefSeq; WP_011322350.1; NC_007426.1.
DR   AlphaFoldDB; Q3IT20; -.
DR   SMR; Q3IT20; -.
DR   STRING; 348780.NP_1246A; -.
DR   EnsemblBacteria; CAI48714; CAI48714; NP_1246A.
DR   GeneID; 3702810; -.
DR   KEGG; nph:NP_1246A; -.
DR   eggNOG; arCOG00918; Archaea.
DR   HOGENOM; CLU_016922_1_5_2; -.
DR   OMA; WGPLIFG; -.
DR   OrthoDB; 10264at2157; -.
DR   UniPathway; UPA00251; UER00317.
DR   Proteomes; UP000002698; 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   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..446
FT                   /note="Glutamate-1-semialdehyde 2,1-aminomutase"
FT                   /id="PRO_0000243649"
FT   MOD_RES         264
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00375"
SQ   SEQUENCE   446 AA;  48114 MW;  932DCB046BAC88A8 CRC64;
     MNHEGSRSLY DRALSVLPGG VNSAVRAAPQ PYPVFADHGD GGHVIDADGN RYIDWIQGLG
     PLLLGHDMPE QLQAAVQSRA SEGPMYGMPS EIEVEHAEFV CRHVPSVEMI RFVNSGTEAT
     VSACRLARAA TGRNKIVVMQ GGYHGAQEST LVEGDADDVA PSSAGIPQSF AEHTIPVPFN
     DPEAASEVFR AHGDDIAAVL VEPVQANMGI VYPEDGYHEA LRSLCDDYGS LLIFDEVITG
     FRVGGLQCAQ GKFDIDPDIT TFGKIIGGGF PVGAIGGKTE YIEQFTPSGD VFQAGTFSGH
     PVTMAAGLET LKFCAEEDVY DHVNELGRQL REGLSDIVAD QAPEYTVVGT DSLFKVVFTR
     GDGTPQGEAC RNGCRQSSDC SRYGTCPTSA TDVRDAETDR YARLFRPKMI EEGVLVSQNQ
     FESNFVSYRH TAEDVEETLE AYKEAL