ID B9AGP0_METSM Unreviewed; 321 AA.
AC B9AGP0;
DT 24-MAR-2009, integrated into UniProtKB/TrEMBL.
DT 24-MAR-2009, sequence version 1.
DT 24-JAN-2024, entry version 58.
DE RecName: Full=5,10-methylenetetrahydromethanopterin reductase {ECO:0000256|HAMAP-Rule:MF_01091};
DE EC=1.5.98.2 {ECO:0000256|HAMAP-Rule:MF_01091};
DE AltName: Full=Coenzyme F420-dependent N(5),N(10)-methylenetetrahydromethanopterin reductase {ECO:0000256|HAMAP-Rule:MF_01091};
DE AltName: Full=Methylene-H(4)MPT reductase {ECO:0000256|HAMAP-Rule:MF_01091};
GN Name=mer {ECO:0000256|HAMAP-Rule:MF_01091,
GN ECO:0000313|EMBL:EEE42630.1};
GN ORFNames=METSMIALI_01546 {ECO:0000313|EMBL:EEE42630.1};
OS Methanobrevibacter smithii DSM 2375.
OC Archaea; Euryarchaeota; Methanomada group; Methanobacteria;
OC Methanobacteriales; Methanobacteriaceae; Methanobrevibacter.
OX NCBI_TaxID=483214 {ECO:0000313|EMBL:EEE42630.1, ECO:0000313|Proteomes:UP000003489};
RN [1] {ECO:0000313|EMBL:EEE42630.1, ECO:0000313|Proteomes:UP000003489}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 2375 {ECO:0000313|EMBL:EEE42630.1,
RC ECO:0000313|Proteomes:UP000003489};
RA Fulton L., Clifton S., Fulton B., Xu J., Minx P., Pepin K.H., Johnson M.,
RA Bhonagiri V., Nash W.E., Mardis E.R., Wilson R.K.;
RL Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:EEE42630.1, ECO:0000313|Proteomes:UP000003489}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 2375 {ECO:0000313|EMBL:EEE42630.1,
RC ECO:0000313|Proteomes:UP000003489};
RA Sudarsanam P., Ley R., Guruge J., Turnbaugh P.J., Mahowald M., Liep D.,
RA Gordon J.;
RT "Draft genome sequence of Methanobrevibacter smithii (DSM 2375).";
RL Submitted (NOV-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible reduction of methylene-H(4)MPT to
CC methyl-H(4)MPT. {ECO:0000256|HAMAP-Rule:MF_01091}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-methyl-5,6,7,8-tetrahydromethanopterin + H(+) + oxidized
CC coenzyme F420-(gamma-L-Glu)(n) = 5,10-
CC methylenetetrahydromethanopterin + reduced coenzyme F420-(gamma-L-
CC Glu)(n); Xref=Rhea:RHEA:21144, Rhea:RHEA-COMP:12939, Rhea:RHEA-
CC COMP:14378, ChEBI:CHEBI:15378, ChEBI:CHEBI:57818, ChEBI:CHEBI:58116,
CC ChEBI:CHEBI:133980, ChEBI:CHEBI:139511; EC=1.5.98.2;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01091};
CC -!- PATHWAY: One-carbon metabolism; methanogenesis from CO(2); methyl-
CC coenzyme M from 5,10-methylene-5,6,7,8-tetrahydromethanopterin: step
CC 1/2. {ECO:0000256|HAMAP-Rule:MF_01091}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01091}.
CC -!- SIMILARITY: Belongs to the mer family. {ECO:0000256|HAMAP-
CC Rule:MF_01091}.
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:EEE42630.1}.
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DR EMBL; ABYW01000013; EEE42630.1; -; Genomic_DNA.
DR RefSeq; WP_004036631.1; NZ_DS996911.1.
DR AlphaFoldDB; B9AGP0; -.
DR GeneID; 78817169; -.
DR PATRIC; fig|483214.13.peg.1487; -.
DR HOGENOM; CLU_027853_5_3_2; -.
DR OrthoDB; 213164at2157; -.
DR UniPathway; UPA00640; UER00697.
DR Proteomes; UP000003489; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0018537; F:coenzyme F420-dependent N5,N10-methenyltetrahydromethanopterin reductase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0016705; F:oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen; IEA:InterPro.
DR GO; GO:0019386; P:methanogenesis, from carbon dioxide; IEA:UniProtKB-UniPathway.
DR GO; GO:0006730; P:one-carbon metabolic process; IEA:UniProtKB-UniRule.
DR CDD; cd01097; Tetrahydromethanopterin_reductase; 1.
DR Gene3D; 3.20.20.30; Luciferase-like domain; 1.
DR HAMAP; MF_01091; F420_mer; 1.
DR InterPro; IPR011251; Luciferase-like_dom.
DR InterPro; IPR036661; Luciferase-like_sf.
DR InterPro; IPR019946; MeH4methanopterin_reductase.
DR NCBIfam; TIGR03555; F420_mer; 1.
DR PANTHER; PTHR43244; -; 1.
DR PANTHER; PTHR43244:SF1; 5,10-METHYLENETETRAHYDROMETHANOPTERIN REDUCTASE; 1.
DR Pfam; PF00296; Bac_luciferase; 1.
DR SUPFAM; SSF51679; Bacterial luciferase-like; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01091};
KW Methanogenesis {ECO:0000256|HAMAP-Rule:MF_01091};
KW One-carbon metabolism {ECO:0000256|ARBA:ARBA00022563, ECO:0000256|HAMAP-
KW Rule:MF_01091};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_01091,
KW ECO:0000313|EMBL:EEE42630.1}.
FT DOMAIN 11..296
FT /note="Luciferase-like"
FT /evidence="ECO:0000259|Pfam:PF00296"
SQ SEQUENCE 321 AA; 33602 MW; 52048C47D200827F CRC64;
MKFGIEFVPN EDLNKIVERV KLAEEVGFEY AWITDHYNNK NVYETLALIA KETETIKMGP
GVTNPYVRSP AISASAIATI DELSDGRATF GIGPGDKATF DALGIPWEKP VSTIKAAIAD
INTLLAGEKT ETGAALGGVK AVQEHLPIYM GAQGPKMLET AGEIADGVLI NASNPKDYEA
ALPLIKKGIE NAGKNVADFD VGAYTATSIG TDSEKAKAAA KIVVAFIAAG SPPMVIERHG
LPEGINEKIG ACLGKGDFGG AIGLIDDDLL HAFSVAGTPD EFIPKVEGLA EMGVTQYVAG
SPIGKDVEES IKLLGEVIAS F
//
