ID A0A066ZYM1_HYDMR Unreviewed; 484 AA. AC A0A066ZYM1; DT 03-SEP-2014, integrated into UniProtKB/TrEMBL. DT 03-SEP-2014, sequence version 1. DT 11-DEC-2019, entry version 46. DE RecName: Full=Siroheme synthase {ECO:0000256|HAMAP-Rule:MF_01646}; DE Includes: DE RecName: Full=Uroporphyrinogen-III C-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01646}; DE Short=Urogen III methylase {ECO:0000256|HAMAP-Rule:MF_01646}; DE EC=2.1.1.107 {ECO:0000256|HAMAP-Rule:MF_01646}; DE AltName: Full=SUMT {ECO:0000256|HAMAP-Rule:MF_01646}; DE AltName: Full=Uroporphyrinogen III methylase {ECO:0000256|HAMAP-Rule:MF_01646}; DE Short=UROM {ECO:0000256|HAMAP-Rule:MF_01646}; DE Includes: DE RecName: Full=Precorrin-2 dehydrogenase {ECO:0000256|HAMAP-Rule:MF_01646}; DE EC=1.3.1.76 {ECO:0000256|HAMAP-Rule:MF_01646}; DE Includes: DE RecName: Full=Sirohydrochlorin ferrochelatase {ECO:0000256|HAMAP-Rule:MF_01646}; DE EC=4.99.1.4 {ECO:0000256|HAMAP-Rule:MF_01646}; GN Name=cysG {ECO:0000256|HAMAP-Rule:MF_01646}; GN ORFNames=EI16_03910 {ECO:0000313|EMBL:KDN95456.1}; OS Hydrogenovibrio marinus. OC Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales; OC Piscirickettsiaceae; Hydrogenovibrio. OX NCBI_TaxID=28885 {ECO:0000313|EMBL:KDN95456.1, ECO:0000313|Proteomes:UP000027341}; RN [1] {ECO:0000313|EMBL:KDN95456.1, ECO:0000313|Proteomes:UP000027341} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=MH-110 {ECO:0000313|EMBL:KDN95456.1, RC ECO:0000313|Proteomes:UP000027341}; RA Cha H.J., Jo B.H., Hwang B.H.; RT "Draft genome sequence of Hydrogenovibrio marinus MH-110, a model organism RT for aerobic H2 metabolism."; RL Submitted (APR-2014) 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:0000256|HAMAP-Rule:MF_01646, ECO:0000256|SAAS:SAAS00971394}. 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:0000256|HAMAP-Rule:MF_01646, CC ECO:0000256|SAAS:SAAS01123671}; 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:0000256|HAMAP-Rule:MF_01646, CC ECO:0000256|SAAS:SAAS01116480}; 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:0000256|HAMAP-Rule:MF_01646, CC ECO:0000256|SAAS:SAAS01123666}; CC -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis; CC sirohydrochlorin from precorrin-2: step 1/1. {ECO:0000256|HAMAP- CC Rule:MF_01646, ECO:0000256|SAAS:SAAS01024981}. CC -!- PATHWAY: Porphyrin-containing compound metabolism; siroheme CC biosynthesis; precorrin-2 from uroporphyrinogen III: step 1/1. CC {ECO:0000256|HAMAP-Rule:MF_01646, ECO:0000256|SAAS:SAAS00971402}. CC -!- PATHWAY: Porphyrin-containing compound metabolism; siroheme CC biosynthesis; siroheme from sirohydrochlorin: step 1/1. CC {ECO:0000256|HAMAP-Rule:MF_01646, ECO:0000256|SAAS:SAAS01024978}. CC -!- PATHWAY: Porphyrin-containing compound metabolism; siroheme CC biosynthesis; sirohydrochlorin from precorrin-2: step 1/1. CC {ECO:0000256|HAMAP-Rule:MF_01646, ECO:0000256|SAAS:SAAS01024982}. CC -!- SIMILARITY: Belongs to the precorrin methyltransferase family. CC {ECO:0000256|RuleBase:RU003960}. CC -!- SIMILARITY: In the C-terminal section; belongs to the precorrin CC methyltransferase family. {ECO:0000256|HAMAP-Rule:MF_01646, CC ECO:0000256|SAAS:SAAS00971398}. CC -!- SIMILARITY: In the N-terminal section; belongs to the precorrin-2 CC dehydrogenase / sirohydrochlorin ferrochelatase family. CC {ECO:0000256|HAMAP-Rule:MF_01646, ECO:0000256|SAAS:SAAS00971404}. CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01646}. 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:KDN95456.1}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; JMIU01000001; KDN95456.1; -; Genomic_DNA. DR EnsemblBacteria; KDN95456; KDN95456; EI16_03910. DR UniPathway; UPA00148; UER00222. DR UniPathway; UPA00262; UER00211. DR Proteomes; UP000027341; Unassembled WGS sequence. 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; 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; 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; PS00840; SUMT_2; 1. PE 3: Inferred from homology; KW Cobalamin biosynthesis {ECO:0000256|HAMAP-Rule:MF_01646, KW ECO:0000256|SAAS:SAAS01024974}; Coiled coil {ECO:0000256|SAM:Coils}; KW Lyase {ECO:0000256|HAMAP-Rule:MF_01646, ECO:0000256|SAAS:SAAS01024979}; KW Methyltransferase {ECO:0000256|HAMAP-Rule:MF_01646, KW ECO:0000256|RuleBase:RU003960, ECO:0000256|SAAS:SAAS00467449}; KW Multifunctional enzyme {ECO:0000256|HAMAP-Rule:MF_01646, KW ECO:0000256|SAAS:SAAS01024984}; KW NAD {ECO:0000256|HAMAP-Rule:MF_01646, ECO:0000256|SAAS:SAAS01024985}; KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_01646, KW ECO:0000256|SAAS:SAAS01024988}; KW Porphyrin biosynthesis {ECO:0000256|HAMAP-Rule:MF_01646, KW ECO:0000256|SAAS:SAAS01024977}; KW Reference proteome {ECO:0000313|Proteomes:UP000027341}; KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_01646, KW ECO:0000256|SAAS:SAAS00467481}; KW Transferase {ECO:0000256|HAMAP-Rule:MF_01646, KW ECO:0000256|RuleBase:RU003960, ECO:0000256|SAAS:SAAS00467429}. FT DOMAIN 127..151 FT /note="Sirohm_synth_M" FT /evidence="ECO:0000259|Pfam:PF14824" FT DOMAIN 157..213 FT /note="CysG_dimeriser" FT /evidence="ECO:0000259|Pfam:PF10414" FT DOMAIN 227..436 FT /note="TP_methylase" FT /evidence="ECO:0000259|Pfam:PF00590" FT NP_BIND 22..23 FT /note="NAD" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT NP_BIND 43..44 FT /note="NAD" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT REGION 1..209 FT /note="Precorrin-2 dehydrogenase / sirohydrochlorin FT ferrochelatase" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT REGION 225..484 FT /note="Uroporphyrinogen-III C-methyltransferase" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT REGION 310..312 FT /note="S-adenosyl-L-methionine binding" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT REGION 340..341 FT /note="S-adenosyl-L-methionine binding" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT COILED 456..476 FT /evidence="ECO:0000256|SAM:Coils" FT ACT_SITE 257 FT /note="Proton acceptor" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646, FT ECO:0000256|PIRSR:PIRSR036426-1" FT ACT_SITE 279 FT /note="Proton donor" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646, FT ECO:0000256|PIRSR:PIRSR036426-1" FT BINDING 234 FT /note="S-adenosyl-L-methionine; via carbonyl oxygen" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT BINDING 315 FT /note="S-adenosyl-L-methionine; via carbonyl oxygen" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT BINDING 392 FT /note="S-adenosyl-L-methionine; via amide nitrogen" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" FT BINDING 421 FT /note="S-adenosyl-L-methionine; via amide nitrogen and FT carbonyl oxygen" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01646" SQ SEQUENCE 484 AA; 52445 MW; DB4658D4EE804930 CRC64; MDYLPIFMNI KQQACLIVGG GVVAARKADL FIQSGAQVMV IAPALKSEMQ SFLNQNKVTW HQGVFSPKVM ADVFGEQLPK LVISATDNQA VNIAVYEYCQ AAGIPVNVAD QTEYCDFILP AIVDRAPMTI AISTGGRSPV LARVMKAKLE TMIPHGFGRL TDLVGRYRDK VKAAISSIDG RKAFWESLLD GLFIDKAVHG LDGEAEALLE KKLEQADNFE EAAVGEVYVI GAGPGDPELM TFKAQRLLQQ ADVVLYDRLV SPEIVDMARR EAERVYVGKK SKHHAVPQED ICRMLVEYAK QGKKVARLKG GDPYIFGRGG EEVEILAKAG VAYQVVPGIT AAAGCAAYAD FPLTHREFSQ SVALVTGHQQ EGGNAIDYGR LAHSGDTMVF YMGIKNAPKI QAGLIAHGMN PGTPAAIIER GTRADQKVTV SSLGKLTETI AKQAIKPPAL LVVGEVVKVR ERIQNAKRFV QQAEQSPPLH RVAV //