ID A0A1C0VSK0_9CYAN Unreviewed; 323 AA.
AC A0A1C0VSK0;
DT 02-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2016, 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=BCD67_12195 {ECO:0000313|EMBL:OCR00724.1};
OS Oscillatoriales cyanobacterium USR001.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Oscillatoriales.
OX NCBI_TaxID=1880991 {ECO:0000313|EMBL:OCR00724.1, ECO:0000313|Proteomes:UP000093314};
RN [1] {ECO:0000313|EMBL:OCR00724.1, ECO:0000313|Proteomes:UP000093314}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=USR001 {ECO:0000313|EMBL:OCR00724.1};
RA Te S.H., Tan B., Thompson J., Gin K.;
RT "Draft genomes of Oscillatoriales USR001.";
RL Submitted (JUL-2016) 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 -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-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:OCR00724.1}.
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DR EMBL; MBRE01000055; OCR00724.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1C0VSK0; -.
DR Proteomes; UP000093314; Unassembled WGS sequence.
DR GO; GO:0004418; F:hydroxymethylbilane synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006779; P:porphyrin-containing compound biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd13645; PBP2_HuPBGD_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; 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:UP000093314};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00260}.
FT DOMAIN 12..222
FT /note="Porphobilinogen deaminase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF01379"
FT DOMAIN 235..303
FT /note="Porphobilinogen deaminase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF03900"
FT MOD_RES 251
FT /note="S-(dipyrrolylmethanemethyl)cysteine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00260"
SQ SEQUENCE 323 AA; 35216 MW; C3DBCC900E8744F9 CRC64;
MSSTTSAPTR TIRIGSRKSQ LALVQTYWVQ EQLKQRFPHC NFEVHTMSTQ GDKILDVPLA
KIGDKGLFTK ELEVGMLNNE TDLAVHSLKD LPTNLPAGLM LGCVSERENP ADALVVHEKH
QDKQLETLPK GAIIGTSSLR RLAQLRHHFP DLEFKDIRGN LNTRLAKLDE GEYDGIILAV
AGLQRLGMGD RIHQIIAPEI SLHAVGQGAL GIECRAGDEE ILALIKALEH TETALRCHAE
RAFLRELEGG CQVPIGVNTK IEGGQLTLTG LVASLDGQRL VKDTVTGAAD TAETLGIKLA
HCLRTKGANE ILEEIFAQIQ RGS
//
