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CYSG1_YERPN
ID   CYSG1_YERPN             Reviewed;         472 AA.
AC   Q1CLS2; C4GPR6;
DT   29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 100.
DE   RecName: Full=Siroheme synthase 1 {ECO:0000255|HAMAP-Rule:MF_01646};
DE   Includes:
DE     RecName: Full=Uroporphyrinogen-III C-methyltransferase 1 {ECO:0000255|HAMAP-Rule:MF_01646};
DE              Short=Urogen III methylase 1 {ECO:0000255|HAMAP-Rule:MF_01646};
DE              EC=2.1.1.107 {ECO:0000255|HAMAP-Rule:MF_01646};
DE     AltName: Full=SUMT 1 {ECO:0000255|HAMAP-Rule:MF_01646};
DE     AltName: Full=Uroporphyrinogen III methylase 1 {ECO:0000255|HAMAP-Rule:MF_01646};
DE              Short=UROM 1 {ECO:0000255|HAMAP-Rule:MF_01646};
DE   Includes:
DE     RecName: Full=Precorrin-2 dehydrogenase 1 {ECO:0000255|HAMAP-Rule:MF_01646};
DE              EC=1.3.1.76 {ECO:0000255|HAMAP-Rule:MF_01646};
DE   Includes:
DE     RecName: Full=Sirohydrochlorin ferrochelatase 1 {ECO:0000255|HAMAP-Rule:MF_01646};
DE              EC=4.99.1.4 {ECO:0000255|HAMAP-Rule:MF_01646};
GN   Name=cysG1 {ECO:0000255|HAMAP-Rule:MF_01646}; OrderedLocusNames=YPN_0726;
GN   ORFNames=YP516_0774;
OS   Yersinia pestis bv. Antiqua (strain Nepal516).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Yersinia.
OX   NCBI_TaxID=377628;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Nepal516;
RX   PubMed=16740952; DOI=10.1128/jb.00124-06;
RA   Chain P.S.G., Hu P., Malfatti S.A., Radnedge L., Larimer F., Vergez L.M.,
RA   Worsham P., Chu M.C., Andersen G.L.;
RT   "Complete genome sequence of Yersinia pestis strains Antiqua and Nepal516:
RT   evidence of gene reduction in an emerging pathogen.";
RL   J. Bacteriol. 188:4453-4463(2006).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Nepal516;
RA   Plunkett G. III, Anderson B.D., Baumler D.J., Burland V., Cabot E.L.,
RA   Glasner J.D., Mau B., Neeno-Eckwall E., Perna N.T., Munk A.C., Tapia R.,
RA   Green L.D., Rogers Y.C., Detter J.C., Bruce D.C., Brettin T.S.;
RT   "Yersinia pestis Nepal516A whole genome shotgun sequencing project.";
RL   Submitted (APR-2009) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Multifunctional enzyme that catalyzes the SAM-dependent
CC       methylations of uroporphyrinogen III at position C-2 and C-7 to form
CC       precorrin-2 via precorrin-1. Then it catalyzes the NAD-dependent ring
CC       dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it
CC       catalyzes the ferrochelation of sirohydrochlorin to yield siroheme.
CC       {ECO:0000255|HAMAP-Rule:MF_01646}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 S-adenosyl-L-methionine + uroporphyrinogen III = H(+) +
CC         precorrin-2 + 2 S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:32459,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57308, ChEBI:CHEBI:57856,
CC         ChEBI:CHEBI:58827, ChEBI:CHEBI:59789; EC=2.1.1.107;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01646};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=NAD(+) + precorrin-2 = 2 H(+) + NADH + sirohydrochlorin;
CC         Xref=Rhea:RHEA:15613, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540,
CC         ChEBI:CHEBI:57945, ChEBI:CHEBI:58351, ChEBI:CHEBI:58827; EC=1.3.1.76;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01646};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 H(+) + siroheme = Fe(2+) + sirohydrochlorin;
CC         Xref=Rhea:RHEA:24360, ChEBI:CHEBI:15378, ChEBI:CHEBI:29033,
CC         ChEBI:CHEBI:58351, ChEBI:CHEBI:60052; EC=4.99.1.4;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01646};
CC   -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC       precorrin-2 from uroporphyrinogen III: step 1/1. {ECO:0000255|HAMAP-
CC       Rule:MF_01646}.
CC   -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC       sirohydrochlorin from precorrin-2: step 1/1. {ECO:0000255|HAMAP-
CC       Rule:MF_01646}.
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; siroheme
CC       biosynthesis; precorrin-2 from uroporphyrinogen III: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_01646}.
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; siroheme
CC       biosynthesis; siroheme from sirohydrochlorin: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_01646}.
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; siroheme
CC       biosynthesis; sirohydrochlorin from precorrin-2: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_01646}.
CC   -!- SIMILARITY: In the N-terminal section; belongs to the precorrin-2
CC       dehydrogenase / sirohydrochlorin ferrochelatase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01646}.
CC   -!- SIMILARITY: In the C-terminal section; belongs to the precorrin
CC       methyltransferase family. {ECO:0000255|HAMAP-Rule:MF_01646}.
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DR   EMBL; CP000305; ABG17058.1; -; Genomic_DNA.
DR   EMBL; ACNQ01000007; EEO77922.1; -; Genomic_DNA.
DR   PIR; AI0408; AI0408.
DR   RefSeq; WP_002209385.1; NZ_ACNQ01000007.1.
DR   AlphaFoldDB; Q1CLS2; -.
DR   SMR; Q1CLS2; -.
DR   EnsemblBacteria; ABG17058; ABG17058; YPN_0726.
DR   GeneID; 57975342; -.
DR   KEGG; ypn:YPN_0726; -.
DR   HOGENOM; CLU_011276_2_1_6; -.
DR   OMA; KMTVVVY; -.
DR   UniPathway; UPA00148; UER00211.
DR   UniPathway; UPA00148; UER00222.
DR   UniPathway; UPA00262; UER00211.
DR   UniPathway; UPA00262; UER00222.
DR   UniPathway; UPA00262; UER00376.
DR   Proteomes; UP000008936; Chromosome.
DR   GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR   GO; GO:0043115; F:precorrin-2 dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0051266; F:sirohydrochlorin ferrochelatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0004851; F:uroporphyrin-III C-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR   GO; GO:0019354; P:siroheme biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd11642; SUMT; 1.
DR   Gene3D; 1.10.8.210; -; 1.
DR   Gene3D; 3.30.950.10; -; 1.
DR   Gene3D; 3.40.1010.10; -; 1.
DR   HAMAP; MF_01646; Siroheme_synth; 1.
DR   InterPro; IPR000878; 4pyrrol_Mease.
DR   InterPro; IPR035996; 4pyrrol_Methylase_sf.
DR   InterPro; IPR014777; 4pyrrole_Mease_sub1.
DR   InterPro; IPR014776; 4pyrrole_Mease_sub2.
DR   InterPro; IPR006366; CobA/CysG_C.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   InterPro; IPR037115; Sirohaem_synt_dimer_dom_sf.
DR   InterPro; IPR012409; Sirohaem_synth.
DR   InterPro; IPR028281; Sirohaem_synthase_central.
DR   InterPro; IPR019478; Sirohaem_synthase_dimer_dom.
DR   InterPro; IPR006367; Sirohaem_synthase_N.
DR   InterPro; IPR003043; Uropor_MeTrfase_CS.
DR   Pfam; PF10414; CysG_dimeriser; 1.
DR   Pfam; PF14824; Sirohm_synth_M; 1.
DR   Pfam; PF00590; TP_methylase; 1.
DR   PIRSF; PIRSF036426; Sirohaem_synth; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   SUPFAM; SSF53790; SSF53790; 1.
DR   TIGRFAMs; TIGR01469; cobA_cysG_Cterm; 1.
DR   TIGRFAMs; TIGR01470; cysG_Nterm; 1.
DR   PROSITE; PS00839; SUMT_1; 1.
DR   PROSITE; PS00840; SUMT_2; 1.
PE   3: Inferred from homology;
KW   Cobalamin biosynthesis; Lyase; Methyltransferase; Multifunctional enzyme;
KW   NAD; Oxidoreductase; Phosphoprotein; Porphyrin biosynthesis;
KW   S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..472
FT                   /note="Siroheme synthase 1"
FT                   /id="PRO_0000330574"
FT   REGION          1..203
FT                   /note="Precorrin-2 dehydrogenase /sirohydrochlorin
FT                   ferrochelatase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   REGION          215..472
FT                   /note="Uroporphyrinogen-III C-methyltransferase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   ACT_SITE        247
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   ACT_SITE        269
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   BINDING         22..23
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   BINDING         43..44
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   BINDING         224
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   BINDING         300..302
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   BINDING         305
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   BINDING         330..331
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   BINDING         382
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   BINDING         411
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
FT   MOD_RES         128
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01646"
SQ   SEQUENCE   472 AA;  50904 MW;  1BD7DB7E5ADE5222 CRC64;
     MDYLPLFADL KQRPVLIVGG GEVAARKIEL LHRAGAQVWV VAQTLSSELE QQYQDGRIHW
     LAQDFLPEQL DNVFLVIAAT NDTVLNAAVF AAADQRCILA NVVDDQPLCS FIFPSIVDRS
     PLVVAISSSG QAPVLARILR EKLEALLPTR LSDMAAIAGR WRGRVKQHMA SMGERRRFWE
     HAFSGRFASL ISRGQLTEAE NELQLSLEGQ HRALGEVALV GAGPGDAGLL TLRGLQVMQQ
     ADVVLYDHLV SPEVLDLVRR DAERICVGKR AGAHSVTQEA TNQLLVTLAQ QGKRVVRLKG
     GDPFIFGRGG EELQVVAQAG IPFQVVPGVT AAAGATAYAG IPLTHRDHAQ SVTFITGHCR
     PDGDDLDWQT LARGRQTLAI YMGTVKAAAI SQQLIAHGRS STTPVAVIGR GTRVDQQVLI
     GTLAQLESLA QQAPTPALLV IGEVVNLHHQ IAWFGQQPQT ESAISPSVVN LA
 
 
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