ID Q0I7H8_SYNS3 Unreviewed; 333 AA.
AC Q0I7H8;
DT 03-OCT-2006, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2006, sequence version 1.
DT 27-MAR-2024, entry version 100.
DE RecName: Full=Delta-aminolevulinic acid dehydratase {ECO:0000256|ARBA:ARBA00020771, ECO:0000256|RuleBase:RU000515};
DE EC=4.2.1.24 {ECO:0000256|ARBA:ARBA00012053, ECO:0000256|RuleBase:RU000515};
GN Name=hemB {ECO:0000313|EMBL:ABI46342.1};
GN OrderedLocusNames=sync_2398 {ECO:0000313|EMBL:ABI46342.1};
OS Synechococcus sp. (strain CC9311).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Synechococcaceae;
OC Synechococcus.
OX NCBI_TaxID=64471 {ECO:0000313|EMBL:ABI46342.1, ECO:0000313|Proteomes:UP000001961};
RN [1] {ECO:0000313|EMBL:ABI46342.1, ECO:0000313|Proteomes:UP000001961}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CC9311 {ECO:0000313|EMBL:ABI46342.1,
RC ECO:0000313|Proteomes:UP000001961};
RX PubMed=16938853; DOI=10.1073/pnas.0602963103;
RA Palenik B., Ren Q., Dupont C.L., Myers G.S., Heidelberg J.F., Badger J.H.,
RA Madupu R., Nelson W.C., Brinkac L.M., Dodson R.J., Durkin A.S.,
RA Daugherty S.C., Sullivan S.A., Khouri H., Mohamoud Y., Halpin R.,
RA Paulsen I.T.;
RT "Genome sequence of Synechococcus CC9311: insights into adaptation to a
RT coastal environment.";
RL Proc. Natl. Acad. Sci. U.S.A. 103:13555-13559(2006).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 5-aminolevulinate = H(+) + 2 H2O + porphobilinogen;
CC Xref=Rhea:RHEA:24064, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:58126, ChEBI:CHEBI:356416; EC=4.2.1.24;
CC Evidence={ECO:0000256|ARBA:ARBA00001227,
CC ECO:0000256|RuleBase:RU000515};
CC -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC biosynthesis; coproporphyrinogen-III from 5-aminolevulinate: step 1/4.
CC {ECO:0000256|ARBA:ARBA00004694}.
CC -!- SUBUNIT: Homooctamer. {ECO:0000256|RuleBase:RU000515}.
CC -!- SIMILARITY: Belongs to the ALAD family. {ECO:0000256|ARBA:ARBA00008055,
CC ECO:0000256|RuleBase:RU004161}.
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DR EMBL; CP000435; ABI46342.1; -; Genomic_DNA.
DR RefSeq; WP_011620303.1; NC_008319.1.
DR AlphaFoldDB; Q0I7H8; -.
DR STRING; 64471.sync_2398; -.
DR KEGG; syg:sync_2398; -.
DR eggNOG; COG0113; Bacteria.
DR HOGENOM; CLU_035731_0_0_3; -.
DR OrthoDB; 9805001at2; -.
DR UniPathway; UPA00251; UER00318.
DR Proteomes; UP000001961; Chromosome.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004655; F:porphobilinogen synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0006782; P:protoporphyrinogen IX biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd04823; ALAD_PBGS_aspartate_rich; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR InterPro; IPR001731; ALAD.
DR InterPro; IPR030656; ALAD_AS.
DR InterPro; IPR013785; Aldolase_TIM.
DR PANTHER; PTHR11458; DELTA-AMINOLEVULINIC ACID DEHYDRATASE; 1.
DR PANTHER; PTHR11458:SF0; DELTA-AMINOLEVULINIC ACID DEHYDRATASE; 1.
DR Pfam; PF00490; ALAD; 1.
DR PIRSF; PIRSF001415; Porphbilin_synth; 1.
DR PRINTS; PR00144; DALDHYDRTASE.
DR SMART; SM01004; ALAD; 1.
DR SUPFAM; SSF51569; Aldolase; 1.
DR PROSITE; PS00169; D_ALA_DEHYDRATASE; 1.
PE 3: Inferred from homology;
KW Heme biosynthesis {ECO:0000256|ARBA:ARBA00023133};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|RuleBase:RU000515};
KW Magnesium {ECO:0000256|PIRSR:PIRSR001415-5};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR001415-5};
KW Porphyrin biosynthesis {ECO:0000256|ARBA:ARBA00023244,
KW ECO:0000256|RuleBase:RU000515};
KW Reference proteome {ECO:0000313|Proteomes:UP000001961}.
FT ACT_SITE 196
FT /note="Schiff-base intermediate with substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-1"
FT ACT_SITE 256
FT /note="Schiff-base intermediate with substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-1"
FT BINDING 241
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-5"
SQ SEQUENCE 333 AA; 36785 MW; 5C857BA8A7777DF9 CRC64;
MDICYRPRRL RRSPALRAMV RENQLLPADF IYPLFVHEGA EVEPIGAMPG ASRWSLDYLS
AEVQRAWDLG IRCVVLFPKV AEGLKTEDGS ESFNANGLIP RAIRQLKGDV PDMAIMTDVA
LDPYSCDGHD GIVSQEGVVL NDETVEQLCK QAVMQAEAGA DLIGPSDMMD GRVGAIREAL
DDAGFEHVGI ISYTAKYSSA YYGPFREALD SAPRATTEKV IPKNKDTYQM DPANAREAIT
EAQLDEQEGA DIMMVKPGLA YLDIICRLRD ESELPIAAYN VSGEYSMVKA AAERGWIDER
AVVLETLLSF KRAGADLILT YHACDAAEWL RMR
//
