ID   HEM3_CLOPS              Reviewed;         291 AA.
AC   Q0ST16;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   05-SEP-2006, sequence version 1.
DT   25-MAY-2022, entry version 86.
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=CPR_1422;
OS   Clostridium perfringens (strain SM101 / Type A).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=289380;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SM101 / Type A;
RX   PubMed=16825665; DOI=10.1101/gr.5238106;
RA   Myers G.S.A., Rasko D.A., Cheung J.K., Ravel J., Seshadri R., DeBoy R.T.,
RA   Ren Q., Varga J., Awad M.M., Brinkac L.M., Daugherty S.C., Haft D.H.,
RA   Dodson R.J., Madupu R., Nelson W.C., Rosovitz M.J., Sullivan S.A.,
RA   Khouri H., Dimitrov G.I., Watkins K.L., Mulligan S., Benton J., Radune D.,
RA   Fisher D.J., Atkins H.S., Hiscox T., Jost B.H., Billington S.J.,
RA   Songer J.G., McClane B.A., Titball R.W., Rood J.I., Melville S.B.,
RA   Paulsen I.T.;
RT   "Skewed genomic variability in strains of the toxigenic bacterial pathogen,
RT   Clostridium perfringens.";
RL   Genome Res. 16:1031-1040(2006).
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}.
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DR   EMBL; CP000312; ABG85763.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q0ST16; -.
DR   SMR; Q0ST16; -.
DR   EnsemblBacteria; ABG85763; ABG85763; CPR_1422.
DR   KEGG; cpr:CPR_1422; -.
DR   OMA; LWQANHI; -.
DR   UniPathway; UPA00251; UER00319.
DR   Proteomes; UP000001824; Chromosome.
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..291
FT                   /note="Porphobilinogen deaminase"
FT                   /id="PRO_0000304229"
FT   MOD_RES         237
FT                   /note="S-(dipyrrolylmethanemethyl)cysteine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00260"
SQ   SEQUENCE   291 AA;  32450 MW;  80A3736E661E353C CRC64;
     MELIIATRKS KLAQVQTEKV MELLKKKENV DSKKLLVMTE GDRRLDVSLN KIGGKGLFVK
     EIELALLNKE AHGAVHSMKD VPFELPSEFE LVAMPEREDI RDAFVSLNGS TLSNLRKGAR
     IGTSSIRRAE QLKLFRDDLE IVPIRGNVQT RIKKITEENL DGIILAAAGL KRLGMEDVIS
     DYFDPKVFLP AIGQGALGIE CLKDGEFNDY FKALDSKEVR TTVEAERSFM KVLNGGCHSL
     IGAYSEVKDN DLYMIGTFTV NNRIVKKDIL GNKEDNILLG KKLAEKILGE V