ID   HEM3_ACIF5              Reviewed;         306 AA.
AC   B5ERN6;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   14-OCT-2008, sequence version 1.
DT   03-AUG-2022, entry version 73.
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=Lferr_2898;
OS   Acidithiobacillus ferrooxidans (strain ATCC 53993 / BNL-5-31)
OS   (Leptospirillum ferrooxidans (ATCC 53993)).
OC   Bacteria; Proteobacteria; Acidithiobacillia; Acidithiobacillales;
OC   Acidithiobacillaceae; Acidithiobacillus.
OX   NCBI_TaxID=380394;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 53993 / BNL-5-31;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Sims D., Brettin T., Detter J.C., Han C.,
RA   Kuske C.R., Larimer F., Land M., Hauser L., Kyrpides N., Lykidis A.,
RA   Borole A.P.;
RT   "Complete sequence of Acidithiobacillus ferrooxidans ATCC 53993.";
RL   Submitted (AUG-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001132; ACH85082.1; -; Genomic_DNA.
DR   RefSeq; WP_012537704.1; NC_011206.1.
DR   AlphaFoldDB; B5ERN6; -.
DR   SMR; B5ERN6; -.
DR   GeneID; 66434231; -.
DR   KEGG; afe:Lferr_2898; -.
DR   eggNOG; COG0181; Bacteria.
DR   HOGENOM; CLU_019704_0_2_6; -.
DR   OMA; LWQANHI; -.
DR   UniPathway; UPA00251; UER00319.
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; 3.30.160.40; -; 1.
DR   HAMAP; MF_00260; Porphobil_deam; 1.
DR   InterPro; IPR000860; HemC.
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.
PE   3: Inferred from homology;
KW   Porphyrin biosynthesis; Transferase.
FT   CHAIN           1..306
FT                   /note="Porphobilinogen deaminase"
FT                   /id="PRO_1000119206"
FT   MOD_RES         241
FT                   /note="S-(dipyrrolylmethanemethyl)cysteine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00260"
SQ   SEQUENCE   306 AA;  33039 MW;  6D716E2E7337DA9C CRC64;
     MPHSLRIGTR ASPLAVWQAE HVRAALLRLH PGMAVEIITM TTSGDVLLDA PLHALGGKGL
     FVKEIEDALQ QRRVDVAVHS MKDVPALQPD GLEIVAIMAR EDVRDAFVSN TFLHPDALPE
     GARVGSSSLR RRAQLLERYP HLRVEDLRGN VATRLRRLDE GHYDAIILAA AGLKRLGLPD
     RITHLLDIDR SLPAVGQGAI GIEARSDDRR TRELLAPLAD ADTQNCVLAE RSMNQVLGGD
     CRLPVAALAR WQGPQMLLRG LVATPDGRRV LHAEAKGSDP VALGMAVAAA LVAQGAAEII
     EDVRNA