ID   HEM3_DECAR              Reviewed;         311 AA.
AC   Q479S8;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 91.
DE   RecName: Full=Porphobilinogen deaminase {ECO:0000255|HAMAP-Rule:MF_00260};
DE            Short=PBG {ECO:0000255|HAMAP-Rule:MF_00260};
DE            EC=2.5.1.61 {ECO:0000255|HAMAP-Rule:MF_00260};
DE   AltName: Full=Hydroxymethylbilane synthase {ECO:0000255|HAMAP-Rule:MF_00260};
DE            Short=HMBS {ECO:0000255|HAMAP-Rule:MF_00260};
DE   AltName: Full=Pre-uroporphyrinogen synthase {ECO:0000255|HAMAP-Rule:MF_00260};
GN   Name=hemC {ECO:0000255|HAMAP-Rule:MF_00260}; OrderedLocusNames=Daro_3674;
OS   Dechloromonas aromatica (strain RCB).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Azonexaceae;
OC   Dechloromonas.
OX   NCBI_TaxID=159087;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RCB;
RX   PubMed=19650930; DOI=10.1186/1471-2164-10-351;
RA   Salinero K.K., Keller K., Feil W.S., Feil H., Trong S., Di Bartolo G.,
RA   Lapidus A.;
RT   "Metabolic analysis of the soil microbe Dechloromonas aromatica str. RCB:
RT   indications of a surprisingly complex life-style and cryptic anaerobic
RT   pathways for aromatic degradation.";
RL   BMC Genomics 10:351-351(2009).
CC   -!- FUNCTION: Tetrapolymerization of the monopyrrole PBG into the
CC       hydroxymethylbilane pre-uroporphyrinogen in several discrete steps.
CC       {ECO:0000255|HAMAP-Rule:MF_00260}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + 4 porphobilinogen = hydroxymethylbilane + 4 NH4(+);
CC         Xref=Rhea:RHEA:13185, ChEBI:CHEBI:15377, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:57845, ChEBI:CHEBI:58126; EC=2.5.1.61;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00260};
CC   -!- COFACTOR:
CC       Name=dipyrromethane; Xref=ChEBI:CHEBI:60342;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00260};
CC       Note=Binds 1 dipyrromethane group covalently. {ECO:0000255|HAMAP-
CC       Rule:MF_00260};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC       biosynthesis; coproporphyrinogen-III from 5-aminolevulinate: step 2/4.
CC       {ECO:0000255|HAMAP-Rule:MF_00260}.
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00260}.
CC   -!- MISCELLANEOUS: The porphobilinogen subunits are added to the
CC       dipyrromethane group. {ECO:0000255|HAMAP-Rule:MF_00260}.
CC   -!- SIMILARITY: Belongs to the HMBS family. {ECO:0000255|HAMAP-
CC       Rule:MF_00260}.
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; CP000089; AAZ48403.1; -; Genomic_DNA.
DR   RefSeq; WP_011289399.1; NC_007298.1.
DR   AlphaFoldDB; Q479S8; -.
DR   SMR; Q479S8; -.
DR   STRING; 159087.Daro_3674; -.
DR   EnsemblBacteria; AAZ48403; AAZ48403; Daro_3674.
DR   KEGG; dar:Daro_3674; -.
DR   eggNOG; COG0181; Bacteria.
DR   HOGENOM; CLU_019704_0_2_4; -.
DR   OMA; LWQANHI; -.
DR   UniPathway; UPA00251; UER00319.
DR   GO; GO:0004418; F:hydroxymethylbilane synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0018160; P:peptidyl-pyrromethane cofactor linkage; IEA:InterPro.
DR   GO; GO:0006782; P:protoporphyrinogen IX biosynthetic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.30.160.40; -; 1.
DR   HAMAP; MF_00260; Porphobil_deam; 1.
DR   InterPro; IPR000860; HemC.
DR   InterPro; IPR022419; Porphobilin_deaminase_cofac_BS.
DR   InterPro; IPR022417; Porphobilin_deaminase_N.
DR   InterPro; IPR022418; Porphobilinogen_deaminase_C.
DR   InterPro; IPR036803; Porphobilinogen_deaminase_C_sf.
DR   PANTHER; PTHR11557; PTHR11557; 1.
DR   Pfam; PF01379; Porphobil_deam; 1.
DR   Pfam; PF03900; Porphobil_deamC; 1.
DR   PIRSF; PIRSF001438; 4pyrrol_synth_OHMeBilane_synth; 1.
DR   PRINTS; PR00151; PORPHBDMNASE.
DR   SUPFAM; SSF54782; SSF54782; 1.
DR   TIGRFAMs; TIGR00212; hemC; 1.
DR   PROSITE; PS00533; PORPHOBILINOGEN_DEAM; 1.
PE   3: Inferred from homology;
KW   Porphyrin biosynthesis; Transferase.
FT   CHAIN           1..311
FT                   /note="Porphobilinogen deaminase"
FT                   /id="PRO_0000304232"
FT   MOD_RES         243
FT                   /note="S-(dipyrrolylmethanemethyl)cysteine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00260"
SQ   SEQUENCE   311 AA;  33084 MW;  12E9957B3F322C26 CRC64;
     MSRPSKIVIA SRESRLAMWQ AVHVRDRLSS LNPGAEVVIL GMTTKGDQIL DRPLAEIGGK
     GLFIKELEVA MQEGKAHLAV HSMKDVPMVM PEGFVLAAIS ARENPRDAFV SNKYNGLDDL
     PAGAIVGTSS LRRESILRAK YPQLVIKSLR GNLDTRLKKL DAGEYDAIIL AAAGLIRLGM
     ENRIKSVLTA EQSLPAPGQG ALGIELIDGA ADMADVVAPL NDPETAHCVK AERAFSRALG
     GSCQVPLGGY AIIDNGQLWL RGFVATADGQ EVVSAELRGN PADDEALGLQ LAAELRAKGA
     DAILEKLAHC K