ID K9XQK2_STAC7 Unreviewed; 321 AA.
AC K9XQK2;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 27-MAR-2024, entry version 54.
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 OrderedLocusNames=Sta7437_1328 {ECO:0000313|EMBL:AFZ34895.1};
OS Stanieria cyanosphaera (strain ATCC 29371 / PCC 7437).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Pleurocapsales; Dermocarpellaceae;
OC Stanieria.
OX NCBI_TaxID=111780 {ECO:0000313|EMBL:AFZ34895.1, ECO:0000313|Proteomes:UP000010473};
RN [1] {ECO:0000313|Proteomes:UP000010473}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29371 / PCC 7437 {ECO:0000313|Proteomes:UP000010473};
RX PubMed=23277585; DOI=10.1073/pnas.1217107110;
RA Shih P.M., Wu D., Latifi A., Axen S.D., Fewer D.P., Talla E., Calteau A.,
RA Cai F., Tandeau de Marsac N., Rippka R., Herdman M., Sivonen K.,
RA Coursin T., Laurent T., Goodwin L., Nolan M., Davenport K.W., Han C.S.,
RA Rubin E.M., Eisen J.A., Woyke T., Gugger M., Kerfeld C.A.;
RT "Improving the coverage of the cyanobacterial phylum using diversity-driven
RT genome sequencing.";
RL Proc. Natl. Acad. Sci. U.S.A. 110:1053-1058(2013).
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; chlorophyll
CC biosynthesis. {ECO:0000256|HAMAP-Rule:MF_00260}.
CC -!- PATHWAY: Porphyrin-containing compound metabolism; protoporphyrin-IX
CC biosynthesis; coproporphyrinogen-III from 5-aminolevulinate: step 2/4.
CC {ECO:0000256|HAMAP-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}.
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DR EMBL; CP003653; AFZ34895.1; -; Genomic_DNA.
DR RefSeq; WP_015192568.1; NC_019748.1.
DR AlphaFoldDB; K9XQK2; -.
DR STRING; 111780.Sta7437_1328; -.
DR KEGG; scs:Sta7437_1328; -.
DR PATRIC; fig|111780.3.peg.1387; -.
DR eggNOG; COG0181; Bacteria.
DR HOGENOM; CLU_019704_0_2_3; -.
DR OrthoDB; 9810298at2; -.
DR UniPathway; UPA00251; UER00319.
DR UniPathway; UPA00668; -.
DR Proteomes; UP000010473; Chromosome.
DR GO; GO:0004418; F:hydroxymethylbilane synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0015995; P:chlorophyll biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006782; P:protoporphyrinogen IX biosynthetic process; IEA:UniProtKB-UniPathway.
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 Chlorophyll biosynthesis {ECO:0000256|HAMAP-Rule:MF_00260};
KW Porphyrin biosynthesis {ECO:0000256|ARBA:ARBA00023244, ECO:0000256|HAMAP-
KW Rule:MF_00260}; Reference proteome {ECO:0000313|Proteomes:UP000010473};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00260}.
FT DOMAIN 11..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 321 AA; 35363 MW; D9CE47A68DD99468 CRC64;
MTSVDTLERT IRIGSRKSQL ALVQTYWVKA ELEKHFPEID FEVETMSTQG DKILDVALAK
IGDKGLFTKE LEVGMLSREI DFAVHSLKDL PTNLPEGLML GCVTKRVDPA DALVVNEKNK
DKQLDTLPEG AVIGTSSLRR LAQLRHHFPH LTFKDVRGNV NTRLAKLDAE EYDAIILAVA
GLQRLGMSDR IHQIIPPEIS LHAVGQGALG IECREGDTDV LEVLKALEDL DSRDRAWAER
SFLRNLEGGC QVPIGVNTSI EGDTLTLTGM VASLDGLRLI KDTISGDRAL AEQIGIDLAN
RLREEGAGEI LAEIFAQIER K
//
