ID   HEM1_RHIRD              Reviewed;         405 AA.
AC   P26505;
DT   01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=5-aminolevulinate synthase;
DE            EC=2.3.1.37;
DE   AltName: Full=5-aminolevulinic acid synthase;
DE   AltName: Full=Delta-ALA synthase;
DE   AltName: Full=Delta-aminolevulinate synthase;
GN   Name=hemA;
OS   Rhizobium radiobacter (Agrobacterium tumefaciens) (Agrobacterium
OS   radiobacter).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Agrobacterium;
OC   Agrobacterium tumefaciens complex.
OX   NCBI_TaxID=358;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 4718 / JCM 20199 / IAM 1526 / LMG 139 / NBRC 12664 / CIP 104326
RC   / R-3;
RX   PubMed=2034217; DOI=10.1007/bf00273610;
RA   Drolet M., Sasarman A.;
RT   "Cloning and nucleotide sequence of the hemA gene of Agrobacterium
RT   radiobacter.";
RL   Mol. Gen. Genet. 226:250-256(1991).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=glycine + H(+) + succinyl-CoA = 5-aminolevulinate + CO2 + CoA;
CC         Xref=Rhea:RHEA:12921, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC         ChEBI:CHEBI:57287, ChEBI:CHEBI:57292, ChEBI:CHEBI:57305,
CC         ChEBI:CHEBI:356416; EC=2.3.1.37;
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000250|UniProtKB:P18079};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC       biosynthesis; 5-aminolevulinate from glycine: step 1/1.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:P18079}.
CC   -!- SIMILARITY: Belongs to the class-II pyridoxal-phosphate-dependent
CC       aminotransferase family. {ECO:0000305}.
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DR   PIR; S15996; S15996.
DR   AlphaFoldDB; P26505; -.
DR   SMR; P26505; -.
DR   STRING; 1082932.ATCR1_09658; -.
DR   eggNOG; COG0156; Bacteria.
DR   UniPathway; UPA00251; UER00375.
DR   GO; GO:0003870; F:5-aminolevulinate synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR   GO; GO:0006782; P:protoporphyrinogen IX biosynthetic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.40.640.10; -; 1.
DR   Gene3D; 3.90.1150.10; -; 1.
DR   InterPro; IPR010961; 4pyrrol_synth_NH2levulA_synth.
DR   InterPro; IPR001917; Aminotrans_II_pyridoxalP_BS.
DR   InterPro; IPR004839; Aminotransferase_I/II.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR   Pfam; PF00155; Aminotran_1_2; 1.
DR   SUPFAM; SSF53383; SSF53383; 1.
DR   TIGRFAMs; TIGR01821; 5aminolev_synth; 1.
DR   PROSITE; PS00599; AA_TRANSFER_CLASS_2; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Heme biosynthesis; Pyridoxal phosphate; Transferase.
FT   CHAIN           1..405
FT                   /note="5-aminolevulinate synthase"
FT                   /id="PRO_0000163824"
FT   ACT_SITE        248
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   BINDING         21
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   BINDING         137
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   BINDING         189
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   BINDING         217
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   BINDING         245
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   BINDING         277
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   BINDING         278
FT                   /ligand="pyridoxal 5'-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:597326"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   BINDING         363
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
FT   MOD_RES         248
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250|UniProtKB:P18079"
SQ   SEQUENCE   405 AA;  44412 MW;  F173AC1B13CAACDA CRC64;
     MDFEAFFTTE LQSLHSEGRY RVFADIERQQ GNFPRATRYN ANGQRKDVTV WCSNDYLGMG
     QNPKVIEAMK AAIDHCGAGA GGTRNISGTN HYHVLLEQEL ADLHGKESAL IFTSGYVSNW
     ATLGTLGQKI PGLIIFSDAL NHASMIEGIR YGRCERVIWK HNDLEDLEAK LKAADPNAPK
     LIAFESVYSM DGDIAPIKEI CDLADRYGAM TYLDEVHAVG MYGPRGGGIA EREGLMDRLT
     IIEGTLGKAF GVMGGYITGS TAVCDFIRSF ASGFIFTTAL PPSLAAGAIA SIQHLKASPF
     ERARHQDRVR KLRGLLDARG IPHMDNPSHI VPVMVGDAAK CKWISDILLD SHGVYVQPIN
     YPTVPRKTER LRITPTPLHS DADIEHLVGA LHQLWSHCAL ARAVA