ID   GSA_HELPJ               Reviewed;         430 AA.
AC   Q9ZMD0;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1999, sequence version 1.
DT   25-MAY-2022, entry version 129.
DE   RecName: Full=Glutamate-1-semialdehyde 2,1-aminomutase;
DE            Short=GSA;
DE            EC=5.4.3.8;
DE   AltName: Full=Glutamate-1-semialdehyde aminotransferase;
DE            Short=GSA-AT;
GN   Name=hemL; OrderedLocusNames=jhp_0291;
OS   Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85963;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=J99 / ATCC 700824;
RX   PubMed=9923682; DOI=10.1038/16495;
RA   Alm R.A., Ling L.-S.L., Moir D.T., King B.L., Brown E.D., Doig P.C.,
RA   Smith D.R., Noonan B., Guild B.C., deJonge B.L., Carmel G., Tummino P.J.,
RA   Caruso A., Uria-Nickelsen M., Mills D.M., Ives C., Gibson R., Merberg D.,
RA   Mills S.D., Jiang Q., Taylor D.E., Vovis G.F., Trust T.J.;
RT   "Genomic sequence comparison of two unrelated isolates of the human gastric
RT   pathogen Helicobacter pylori.";
RL   Nature 397:176-180(1999).
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;
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000250};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC       biosynthesis; 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 2/2.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the class-III pyridoxal-phosphate-dependent
CC       aminotransferase family. HemL subfamily. {ECO:0000305}.
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DR   EMBL; AE001439; AAD05878.1; -; Genomic_DNA.
DR   PIR; D71949; D71949.
DR   RefSeq; WP_000421486.1; NZ_CP011330.1.
DR   AlphaFoldDB; Q9ZMD0; -.
DR   SMR; Q9ZMD0; -.
DR   STRING; 85963.jhp_0291; -.
DR   EnsemblBacteria; AAD05878; AAD05878; jhp_0291.
DR   KEGG; hpj:jhp_0291; -.
DR   PATRIC; fig|85963.30.peg.722; -.
DR   eggNOG; COG0001; Bacteria.
DR   OMA; WGPLIFG; -.
DR   UniPathway; UPA00251; UER00317.
DR   Proteomes; UP000000804; 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.
FT   CHAIN           1..430
FT                   /note="Glutamate-1-semialdehyde 2,1-aminomutase"
FT                   /id="PRO_0000120415"
FT   MOD_RES         265
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   430 AA;  46729 MW;  693DD8B7ED158D33 CRC64;
     MELLHSINDF NEAKQVIAGG VNSPVRAFKS VKGTPPFILK GKGAYLYDVD NNHYIDFVQS
     WGPLIFGHAD EEIEENIINV LKKGTSFGAP TELETTLAKE IISCYEGLDK VRLVNSGTEA
     TMSAIRLARA YSQKDDLIKF EGCYHGHSDS LLVKAGSGCA TFGSPSSLGV PNDFSKHTLV
     ARYNDLNSTE ECFKKGDVGC VIIEPIAGNM GLVPAQKEFL LGLKALCEKY QAVLILDEVM
     SGFRASLSGS QEFYGVVPDL VTFGKVIGAG LPLACFGGRA EIMDLLSPIG GVYQAGTLSG
     NPLAVCAGLS ALYKIKRDKT LYTRLNALAV RLTQGLQKSA QNYNIALETL NMGSMFGFFF
     NENAVRDFDD ALKSDTEMFA KFHQKMLFKG VYLACSSFET GFICEPMTEE MIDLAISKAD
     ESFDEIINGV