ID A4U1E2_9PROT Unreviewed; 334 AA.
AC A4U1E2;
DT 15-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 15-MAY-2007, sequence version 1.
DT 03-MAY-2023, entry version 48.
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:CAM76699.1};
GN ORFNames=MGR_3052 {ECO:0000313|EMBL:CAM76699.1};
OS Magnetospirillum gryphiswaldense.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Rhodospirillaceae; Magnetospirillum.
OX NCBI_TaxID=55518 {ECO:0000313|EMBL:CAM76699.1};
RN [1] {ECO:0000313|EMBL:CAM76699.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=MSR-1 {ECO:0000313|EMBL:CAM76699.1};
RX PubMed=17449609; DOI=10.1128/JB.00119-07;
RA Richter M., Kube M., Bazylinski D.A., Lombardot T., Gloeckner F.O.,
RA Reinhardt R., Schueler D.;
RT "Comparative genome analysis of four magnetotactic bacteria reveals a
RT complex set of group-specific genes implicated in magnetosome
RT biomineralization and function.";
RL J. Bacteriol. 189:4899-4910(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}.
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DR EMBL; CU459003; CAM76699.1; -; Genomic_DNA.
DR AlphaFoldDB; A4U1E2; -.
DR UniPathway; UPA00251; UER00318.
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}.
FT ACT_SITE 204
FT /note="Schiff-base intermediate with substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-1"
FT ACT_SITE 258
FT /note="Schiff-base intermediate with substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-1"
FT BINDING 243
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR001415-5"
SQ SEQUENCE 334 AA; 36412 MW; 75FA4C34F29A1784 CRC64;
MSLFLPQTTC PDTRLRRPRR HDWSRRLVAE NVLTVNDLIW PLFVVEGNGV RQDIASMPGV
QRLSIDLLVD AARQAADLGI PAIAVFPSVE ATLKTPDARE ALNRNNLVCR AVSAVKKAVP
QIGIICDVAL DPFNSDGHDG IVRDGYVVND ETVEILARMA VVQAEAGCDI VAPSDMMDGR
VKAIRDALEA ANLVDVQILS YAAKYASSFY GPFRDAVGSK GALKGDKKNY QMDPANSDEA
LREVALDIAE GADMVMVKPG MPYLDIVRRV KESFRLPTLA YQVSGEYAMM KAAALNGWLD
WDRVMLESLM GFKRAGADAV LTYCAPEAAK ILGK
//
