ID A0A1T1AQN2_RHOFE Unreviewed; 315 AA.
AC A0A1T1AQN2;
DT 10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT 10-MAY-2017, sequence version 1.
DT 24-JAN-2024, entry version 22.
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=RF819_05795 {ECO:0000313|EMBL:OOV06305.1};
OS Rhodoferax fermentans.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Rhodoferax.
OX NCBI_TaxID=28066 {ECO:0000313|EMBL:OOV06305.1, ECO:0000313|Proteomes:UP000190750};
RN [1] {ECO:0000313|EMBL:OOV06305.1, ECO:0000313|Proteomes:UP000190750}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 7819 {ECO:0000313|EMBL:OOV06305.1,
RC ECO:0000313|Proteomes:UP000190750};
RA Kim Y.J., Farh M.E.-A., Yang D.-C.;
RT "Genome sequencing of Rhodoferax fermentans JCM 7819.";
RL Submitted (JAN-2017) 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: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:OOV06305.1}.
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DR EMBL; MTJN01000002; OOV06305.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1T1AQN2; -.
DR STRING; 28066.RF819_05795; -.
DR OrthoDB; 9810298at2; -.
DR UniPathway; UPA00251; UER00319.
DR Proteomes; UP000190750; 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 CDD; cd13646; PBP2_EcHMBS_like; 1.
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; 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.
PE 3: Inferred from homology;
KW Porphyrin biosynthesis {ECO:0000256|ARBA:ARBA00023244, ECO:0000256|HAMAP-
KW Rule:MF_00260}; Reference proteome {ECO:0000313|Proteomes:UP000190750};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00260}.
FT DOMAIN 5..208
FT /note="Porphobilinogen deaminase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF01379"
FT DOMAIN 221..295
FT /note="Porphobilinogen deaminase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF03900"
FT MOD_RES 238
FT /note="S-(dipyrrolylmethanemethyl)cysteine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00260"
SQ SEQUENCE 315 AA; 33345 MW; F2BA83A911C65135 CRC64;
MSTFTIATRE SRLAMWQAEH VQAILTGMGH TVSILGMTTL GDQILDRALS QVGGKGLFVK
ELEVALEAGS ADLAVHSLKD VPMELPPGFA LACVMEREDP RDAFVSPRYA NLAALPQGAV
VGTSSLRRVA LLRALRPDLK IEPLRGNLDT RLRKLDEGQY DAIVLAAAGL KRLKLEDRIR
DIFEPEVMLP AAGQGALGIE VRTDGTEITA ALTPLIHQPT WLAVAAERAV SRAMGGSCSM
PLAAFATLQG DVLTINAAWG DTENKLPLVR ANATGPVTDQ ASAAALGQRV ADALKAGVLA
QGGRLDHLDK ALIGQ
//