ID A0A061SQ86_9RHOB Unreviewed; 314 AA.
AC A0A061SQ86;
DT 03-SEP-2014, integrated into UniProtKB/TrEMBL.
DT 03-SEP-2014, sequence version 1.
DT 24-JAN-2024, entry version 39.
DE RecName: Full=Porphobilinogen deaminase {ECO:0000256|HAMAP-Rule:MF_00260};
DE Short=PBG {ECO:0000256|HAMAP-Rule:MF_00260};
DE EC=2.5.1.61 {ECO:0000256|HAMAP-Rule:MF_00260};
DE AltName: Full=Hydroxymethylbilane synthase {ECO:0000256|HAMAP-Rule:MF_00260};
DE Short=HMBS {ECO:0000256|HAMAP-Rule:MF_00260};
DE AltName: Full=Pre-uroporphyrinogen synthase {ECO:0000256|HAMAP-Rule:MF_00260};
GN Name=hemC {ECO:0000256|HAMAP-Rule:MF_00260};
GN ORFNames=PM02_17400 {ECO:0000313|EMBL:KAJ01793.1};
OS Sulfitobacter mediterraneus.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Roseobacteraceae; Sulfitobacter.
OX NCBI_TaxID=83219 {ECO:0000313|EMBL:KAJ01793.1, ECO:0000313|Proteomes:UP000027337};
RN [1] {ECO:0000313|EMBL:KAJ01793.1, ECO:0000313|Proteomes:UP000027337}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=1FIGIMAR09 {ECO:0000313|EMBL:KAJ01793.1,
RC ECO:0000313|Proteomes:UP000027337};
RX PubMed=24855294;
RA Mas-Llado M., Pina-Villalonga J.M., Brunet-Galmes I., Nogales B., Bosch R.;
RT "Draft Genome Sequences of Two Isolates of the Roseobacter Group,
RT Sulfitobacter sp. Strains 3SOLIMAR09 and 1FIGIMAR09, from Harbors of
RT Mallorca Island (Mediterranean Sea).";
RL Genome Announc. 2:e00350-14(2014).
CC -!- FUNCTION: Tetrapolymerization of the monopyrrole PBG into the
CC hydroxymethylbilane pre-uroporphyrinogen in several discrete steps.
CC {ECO:0000256|ARBA:ARBA00002869, ECO:0000256|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:0000256|ARBA:ARBA00000416, ECO:0000256|HAMAP-
CC Rule:MF_00260};
CC -!- COFACTOR:
CC Name=dipyrromethane; Xref=ChEBI:CHEBI:60342;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00260};
CC Note=Binds 1 dipyrromethane group covalently. {ECO:0000256|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:0000256|ARBA:ARBA00004735}.
CC -!- SUBUNIT: Monomer. {ECO:0000256|ARBA:ARBA00011245, ECO:0000256|HAMAP-
CC Rule:MF_00260}.
CC -!- MISCELLANEOUS: The porphobilinogen subunits are added to the
CC dipyrromethane group. {ECO:0000256|HAMAP-Rule:MF_00260}.
CC -!- SIMILARITY: Belongs to the HMBS family. {ECO:0000256|ARBA:ARBA00005638,
CC ECO:0000256|HAMAP-Rule:MF_00260}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KAJ01793.1}.
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DR EMBL; JEMU01000019; KAJ01793.1; -; Genomic_DNA.
DR RefSeq; WP_037910935.1; NZ_JEMU01000019.1.
DR AlphaFoldDB; A0A061SQ86; -.
DR STRING; 83219.PM02_17400; -.
DR eggNOG; COG0181; Bacteria.
DR UniPathway; UPA00251; UER00319.
DR Proteomes; UP000027337; Unassembled WGS sequence.
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 {ECO:0000256|ARBA:ARBA00023244, ECO:0000256|HAMAP-
KW Rule:MF_00260}; Reference proteome {ECO:0000313|Proteomes:UP000027337};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00260}.
FT DOMAIN 12..221
FT /note="Porphobilinogen deaminase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF01379"
FT DOMAIN 236..303
FT /note="Porphobilinogen deaminase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF03900"
FT MOD_RES 250
FT /note="S-(dipyrrolylmethanemethyl)cysteine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00260"
SQ SEQUENCE 314 AA; 34157 MW; 17978738D4137D37 CRC64;
MTYDLPSPQN PLNIGTRGSP LALAQAHETR ERLAKAFDLP FEAFTIVVIK TTGDKIIDRP
LKEIGGKGLF TREIEEDLAA GRIDIAVHSM KDMPTYQPDG LVLETYLPRE DVRDAFISPR
AKALEDLPAG TVVGTSSLRR KAQLKLRRPD LEVVEFRGNL QTRLMKLDQG VAEATFLAMA
GLNRLNMTDV PKTAIETDVM LPAVSQGAIG IERRQNDTRV ADMLAAIHDG PTGQRLAAER
AFLAALDGSC ETPIAGLAEL NGGGLFLRGE VLRPDGSEAI SDALRCPIED GAKAGREMAE
KMLAQAGPKF FDWR
//
