ID   HEM3_BRUA2              Reviewed;         314 AA.
AC   Q2YLM5;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   27-MAR-2024, entry version 90.
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};
GN   OrderedLocusNames=BAB1_1887;
OS   Brucella abortus (strain 2308).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=359391;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=2308;
RX   PubMed=16299333; DOI=10.1128/iai.73.12.8353-8361.2005;
RA   Chain P.S., Comerci D.J., Tolmasky M.E., Larimer F.W., Malfatti S.A.,
RA   Vergez L.M., Aguero F., Land M.L., Ugalde R.A., Garcia E.;
RT   "Whole-genome analyses of speciation events in pathogenic Brucellae.";
RL   Infect. Immun. 73:8353-8361(2005).
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; AM040264; CAJ11843.1; -; Genomic_DNA.
DR   RefSeq; WP_002964957.1; NZ_KN046823.1.
DR   AlphaFoldDB; Q2YLM5; -.
DR   SMR; Q2YLM5; -.
DR   STRING; 359391.BAB1_1887; -.
DR   GeneID; 3788370; -.
DR   KEGG; bmf:BAB1_1887; -.
DR   HOGENOM; CLU_019704_1_2_5; -.
DR   UniPathway; UPA00251; UER00319.
DR   Proteomes; UP000002719; Chromosome I.
DR   GO; GO:0004418; F:hydroxymethylbilane synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006782; P:protoporphyrinogen IX biosynthetic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.40.190.10; Periplasmic binding protein-like II; 2.
DR   Gene3D; 3.30.160.40; Porphobilinogen deaminase, C-terminal domain; 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   NCBIfam; TIGR00212; hemC; 1.
DR   PANTHER; PTHR11557; PORPHOBILINOGEN DEAMINASE; 1.
DR   PANTHER; PTHR11557:SF0; PORPHOBILINOGEN DEAMINASE; 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; SSF53850; Periplasmic binding protein-like II; 1.
DR   SUPFAM; SSF54782; Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain; 1.
DR   PROSITE; PS00533; PORPHOBILINOGEN_DEAM; 1.
PE   3: Inferred from homology;
KW   Porphyrin biosynthesis; Reference proteome; Transferase.
FT   CHAIN           1..314
FT                   /note="Porphobilinogen deaminase"
FT                   /id="PRO_0000304217"
FT   MOD_RES         249
FT                   /note="S-(dipyrrolylmethanemethyl)cysteine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00260"
SQ   SEQUENCE   314 AA;  33838 MW;  D4F34A01D72322B6 CRC64;
     MQTASFKNGT LKIGTRGSKL ALAQAYLTRR LLQEAHGLPE DAIEILPMST AGDRIQDRPL
     SEVGGKGLFT EEIEQALKDG RIDIAVHSTK DMPTALPEGL HLSVFLERED PRDAFIGRSA
     RRFMDLPQGA TVGSSSLRRQ ALIRRLRPDI EVVMYRGNVD TRLRKLDAGE VDGTFLACAG
     LRRLGLADVI TDVLDPSVFP PAPGQGAIGI ESRIGDERID VLLAPLAHRE TQIALACERA
     FLGALDGSCR TPIAGLATVE GDRLSFRGMI LTPDGRQAHE VTAEGVVSDA AALGTDAANR
     VRAMAGPHFF DGWQ
//