ID A0A1I0N2Q0_9BACT Unreviewed; 258 AA.
AC A0A1I0N2Q0;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 16.
DE RecName: Full=Uroporphyrinogen-III synthase {ECO:0000256|ARBA:ARBA00040167, ECO:0000256|RuleBase:RU366031};
DE EC=4.2.1.75 {ECO:0000256|ARBA:ARBA00013109, ECO:0000256|RuleBase:RU366031};
GN ORFNames=SAMN05216290_0846 {ECO:0000313|EMBL:SEV94628.1};
OS Roseivirga pacifica.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Roseivirgaceae;
OC Roseivirga.
OX NCBI_TaxID=1267423 {ECO:0000313|EMBL:SEV94628.1, ECO:0000313|Proteomes:UP000199437};
RN [1] {ECO:0000313|Proteomes:UP000199437}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 1.12402 {ECO:0000313|Proteomes:UP000199437};
RA Varghese N., Submissions S.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes cyclization of the linear tetrapyrrole,
CC hydroxymethylbilane, to the macrocyclic uroporphyrinogen III.
CC {ECO:0000256|ARBA:ARBA00037589, ECO:0000256|RuleBase:RU366031}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=hydroxymethylbilane = H2O + uroporphyrinogen III;
CC Xref=Rhea:RHEA:18965, ChEBI:CHEBI:15377, ChEBI:CHEBI:57308,
CC ChEBI:CHEBI:57845; EC=4.2.1.75;
CC Evidence={ECO:0000256|ARBA:ARBA00000783,
CC ECO:0000256|RuleBase:RU366031};
CC -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC biosynthesis; coproporphyrinogen-III from 5-aminolevulinate: step 3/4.
CC {ECO:0000256|ARBA:ARBA00004772, ECO:0000256|RuleBase:RU366031}.
CC -!- SIMILARITY: Belongs to the uroporphyrinogen-III synthase family.
CC {ECO:0000256|ARBA:ARBA00008133, ECO:0000256|RuleBase:RU366031}.
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DR EMBL; FOIR01000001; SEV94628.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1I0N2Q0; -.
DR STRING; 1267423.SAMN05216290_0846; -.
DR OrthoDB; 1149788at2; -.
DR Proteomes; UP000199437; Unassembled WGS sequence.
DR GO; GO:0004852; F:uroporphyrinogen-III synthase activity; IEA:InterPro.
DR GO; GO:0006780; P:uroporphyrinogen III biosynthetic process; IEA:InterPro.
DR CDD; cd06578; HemD; 1.
DR Gene3D; 3.40.50.10090; -; 2.
DR InterPro; IPR036108; 4pyrrol_syn_uPrphyn_synt_sf.
DR InterPro; IPR003754; 4pyrrol_synth_uPrphyn_synth.
DR InterPro; IPR039793; UROS/Hem4.
DR PANTHER; PTHR38042; UROPORPHYRINOGEN-III SYNTHASE, CHLOROPLASTIC; 1.
DR PANTHER; PTHR38042:SF1; UROPORPHYRINOGEN-III SYNTHASE, CHLOROPLASTIC; 1.
DR Pfam; PF02602; HEM4; 1.
DR SUPFAM; SSF69618; HemD-like; 1.
PE 3: Inferred from homology;
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|RuleBase:RU366031};
KW Porphyrin biosynthesis {ECO:0000256|ARBA:ARBA00023244,
KW ECO:0000256|RuleBase:RU366031};
KW Reference proteome {ECO:0000313|Proteomes:UP000199437}.
FT DOMAIN 32..245
FT /note="Tetrapyrrole biosynthesis uroporphyrinogen III
FT synthase"
FT /evidence="ECO:0000259|Pfam:PF02602"
SQ SEQUENCE 258 AA; 29550 MW; 9CB1603172DAEA61 CRC64;
MSNSTQEDRL REVKSILVSQ PKPSDPKSPY YTLAKKYGIK IDFRPFIQVD PIPAKEFRKQ
KIDILKHTAV IFTSRNAVDH FFQICKDLKI EVPADMKYFC ISEQTAYYLQ KYIVVRKRKI
FTGSRTAQEL IEILKKHKNE KYLFPCSNIR KDDIPKFLGD NGYDYSEAII YETVASDLSD
LDDVTYDIVA FYSPSGINSL FVNFPEFKQN NTRIAVFGPT TSKAAKEADL IVDIEAPMPN
APSMTGALEL YIKKANNL
//
