ID   HEM3_DICNV              Reviewed;         305 AA.
AC   A5EW83;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   12-JUN-2007, sequence version 1.
DT   25-MAY-2022, entry version 78.
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=DNO_0299;
OS   Dichelobacter nodosus (strain VCS1703A).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Cardiobacteriales;
OC   Cardiobacteriaceae; Dichelobacter.
OX   NCBI_TaxID=246195;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=VCS1703A;
RX   PubMed=17468768; DOI=10.1038/nbt1302;
RA   Myers G.S.A., Parker D., Al-Hasani K., Kennan R.M., Seemann T., Ren Q.,
RA   Badger J.H., Selengut J.D., Deboy R.T., Tettelin H., Boyce J.D.,
RA   McCarl V.P., Han X., Nelson W.C., Madupu R., Mohamoud Y., Holley T.,
RA   Fedorova N., Khouri H., Bottomley S.P., Whittington R.J., Adler B.,
RA   Songer J.G., Rood J.I., Paulsen I.T.;
RT   "Genome sequence and identification of candidate vaccine antigens from the
RT   animal pathogen Dichelobacter nodosus.";
RL   Nat. Biotechnol. 25:569-575(2007).
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; CP000513; ABQ13625.1; -; Genomic_DNA.
DR   RefSeq; WP_012030643.1; NC_009446.1.
DR   AlphaFoldDB; A5EW83; -.
DR   SMR; A5EW83; -.
DR   STRING; 246195.DNO_0299; -.
DR   EnsemblBacteria; ABQ13625; ABQ13625; DNO_0299.
DR   KEGG; dno:DNO_0299; -.
DR   eggNOG; COG0181; Bacteria.
DR   HOGENOM; CLU_019704_0_2_6; -.
DR   OMA; LWQANHI; -.
DR   OrthoDB; 1450400at2; -.
DR   UniPathway; UPA00251; UER00319.
DR   Proteomes; UP000000248; 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; Reference proteome; Transferase.
FT   CHAIN           1..305
FT                   /note="Porphobilinogen deaminase"
FT                   /id="PRO_0000304236"
FT   MOD_RES         239
FT                   /note="S-(dipyrrolylmethanemethyl)cysteine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00260"
SQ   SEQUENCE   305 AA;  33522 MW;  94EDE725BE5E9608 CRC64;
     MSTLRIATRK SPLALWQAEH VAQQLKQHYP ELTVELVPIV TQGDILAHTP LSKIGGKNLF
     IKELEIAMQQ NAADIAVHSM KDVGVTLPEG FVLAAILPRE NPFDALVSNH YAHLNELPNG
     ARVGTCSLRR KMQLAHYRPD LKLIDIRGNV HTRLQKLDSG AFDALILACA GLIRLQQNAR
     IRQILPAEIS LPAIGQGAIG VECRADSPFL AHIQTLNHFE TAVCVQTERV VNQRLQGDCQ
     VPIAVFATLS GKTMTLQSRI GTIDGQRMLA HQEICALEDA EKAGARCAEA LIQQGAQDIL
     HEYRK