ID A6QC21_SULNB Unreviewed; 323 AA.
AC A6QC21;
DT 21-AUG-2007, integrated into UniProtKB/TrEMBL.
DT 21-AUG-2007, sequence version 1.
DT 27-MAR-2024, entry version 102.
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:BAF73030.1};
GN OrderedLocusNames=SUN_2089 {ECO:0000313|EMBL:BAF73030.1};
OS Sulfurovum sp. (strain NBC37-1).
OC Bacteria; Campylobacterota; Epsilonproteobacteria; Campylobacterales;
OC Sulfurovaceae; Sulfurovum.
OX NCBI_TaxID=387093 {ECO:0000313|EMBL:BAF73030.1, ECO:0000313|Proteomes:UP000006378};
RN [1] {ECO:0000313|EMBL:BAF73030.1, ECO:0000313|Proteomes:UP000006378}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBC37-1 {ECO:0000313|EMBL:BAF73030.1,
RC ECO:0000313|Proteomes:UP000006378};
RX PubMed=17615243; DOI=10.1073/pnas.0700687104;
RA Nakagawa S., Takaki Y., Shimamura S., Reysenbach A.-L., Takai K.,
RA Horikoshi K.;
RT "Deep-sea vent epsilon-proteobacterial genomes provide insights into
RT emergence of pathogens.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:12146-12150(2007).
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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AP009179; BAF73030.1; -; Genomic_DNA.
DR RefSeq; WP_012083856.1; NC_009663.1.
DR AlphaFoldDB; A6QC21; -.
DR STRING; 387093.SUN_2089; -.
DR KEGG; sun:SUN_2089; -.
DR eggNOG; COG0113; Bacteria.
DR HOGENOM; CLU_035731_0_0_7; -.
DR OrthoDB; 9805001at2; -.
DR UniPathway; UPA00251; UER00318.
DR Proteomes; UP000006378; 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; cd00384; ALAD_PBGS; 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:PIRSR001415-3};
KW Porphyrin biosynthesis {ECO:0000256|ARBA:ARBA00023244,
KW ECO:0000256|RuleBase:RU000515}; Zinc {ECO:0000256|PIRSR:PIRSR001415-3}.
FT ACT_SITE 194
FT /note="Schiff-base intermediate with substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-1"
FT ACT_SITE 247
FT /note="Schiff-base intermediate with substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-1"
FT BINDING 117
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-3"
FT BINDING 119
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-3"
FT BINDING 127
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-3"
FT BINDING 204
FT /ligand="5-aminolevulinate"
FT /ligand_id="ChEBI:CHEBI:356416"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-2"
FT BINDING 216
FT /ligand="5-aminolevulinate"
FT /ligand_id="ChEBI:CHEBI:356416"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-2"
FT BINDING 232
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-5"
FT BINDING 273
FT /ligand="5-aminolevulinate"
FT /ligand_id="ChEBI:CHEBI:356416"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-2"
FT BINDING 312
FT /ligand="5-aminolevulinate"
FT /ligand_id="ChEBI:CHEBI:356416"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-2"
SQ SEQUENCE 323 AA; 35498 MW; C1351F1389B617C5 CRC64;
MFARFRRKRI NPVLRDLLQE THLSVNDFMY PLFARSGEGI KDEVASMPGV YQMSIDEIVK
ECDVLKKLGI RAIILFGIPD VKDSVGSDAM CEHGIIAETV RAVKAAHPDI FVVTDLCFCE
YTDHGHCGVL DPVLETVDND ITLDNLAKQA VVHAKAGVDM IAPSGMMDGM IQAIRKGLDG
AGFVNLPVMS YSTKFASAYY GPFRDVAESS PSFGDRRSYQ MNPANRREAI AESVADEQEG
ADILMVKPAL AYMDVIRDVK NNVSLPLAVY NVSGEYSMLK MAAKAGVIDY DKVMMETLLG
FKRAGADIII TYHAKEAAIL LQK
//
