ID   GSA_PROMA               Reviewed;         433 AA.
AC   Q7VDA1;
DT   27-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 109.
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=Pro_0482;
OS   Prochlorococcus marinus (strain SARG / CCMP1375 / SS120).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=167539;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SARG / CCMP1375 / SS120;
RX   PubMed=12917486; DOI=10.1073/pnas.1733211100;
RA   Dufresne A., Salanoubat M., Partensky F., Artiguenave F., Axmann I.M.,
RA   Barbe V., Duprat S., Galperin M.Y., Koonin E.V., Le Gall F., Makarova K.S.,
RA   Ostrowski M., Oztas S., Robert C., Rogozin I.B., Scanlan D.J.,
RA   Tandeau de Marsac N., Weissenbach J., Wincker P., Wolf Y.I., Hess W.R.;
RT   "Genome sequence of the cyanobacterium Prochlorococcus marinus SS120, a
RT   nearly minimal oxyphototrophic genome.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:10020-10025(2003).
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   -!- PATHWAY: Porphyrin-containing compound metabolism; chlorophyll
CC       biosynthesis. {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; AE017126; AAP99527.1; -; Genomic_DNA.
DR   RefSeq; NP_874875.1; NC_005042.1.
DR   RefSeq; WP_011124636.1; NC_005042.1.
DR   AlphaFoldDB; Q7VDA1; -.
DR   SMR; Q7VDA1; -.
DR   STRING; 167539.Pro_0482; -.
DR   EnsemblBacteria; AAP99527; AAP99527; Pro_0482.
DR   GeneID; 54199851; -.
DR   KEGG; pma:Pro_0482; -.
DR   PATRIC; fig|167539.5.peg.495; -.
DR   eggNOG; COG0001; Bacteria.
DR   HOGENOM; CLU_016922_1_5_3; -.
DR   OMA; WGPLIFG; -.
DR   OrthoDB; 493793at2; -.
DR   UniPathway; UPA00251; UER00317.
DR   UniPathway; UPA00668; -.
DR   Proteomes; UP000001420; 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:0015995; P:chlorophyll biosynthetic process; IEA:UniProtKB-UniRule.
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   Chlorophyll biosynthesis; Cytoplasm; Isomerase; Porphyrin biosynthesis;
KW   Pyridoxal phosphate; Reference proteome.
FT   CHAIN           1..433
FT                   /note="Glutamate-1-semialdehyde 2,1-aminomutase"
FT                   /id="PRO_0000243596"
FT   MOD_RES         271
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00375"
SQ   SEQUENCE   433 AA;  46101 MW;  47CAA6B8897102E2 CRC64;
     MTNAFNTSNS QAVFHAAQEL MPGGVSSPVR AFKSVNGDPI VFDRVKGAYA WDLDGNRFID
     YVGSWGPAIC GHSHPEVIAS LQEALEKGTS FGAPCELENK LAEMVIEAVP SVEMVRFVNS
     GTEACMAVLR LMRAFTGRDK LIKFEGCYHG HADMFLVKAG SGVATLGLPD SPGVPRSTTS
     NTLTAPYNDL EAVKNLFAEN PDAIAGVILE PIVGNAGFIQ PEPGFLEGLR ELTKENGSLL
     VFDEVMTGFR ISYGGAQGRF GVTPDLTTMG KVIGGGLPVG AYGGRKDIMS MVAPAGPMYQ
     AGTLSGNPLA MTAGIKTLEI LQQEGTYERL ASITNRLING ICESAKQAGI PITGSSISGM
     FGFYLCEGPV RNFEEAKQTN SDYFGKLHRA MLAKGVYLAP SAFEAGFTSL AHSEEDIDST
     LKAFNECFNE LSQ