ID   Q9C4U2_9ARCH            Unreviewed;       146 AA.
AC   Q9C4U2;
DT   01-JUN-2001, integrated into UniProtKB/TrEMBL.
DT   01-JUN-2001, sequence version 1.
DT   22-FEB-2023, entry version 40.
DE   SubName: Full=Methyl-coenzyme M reductase subunit A {ECO:0000313|EMBL:AAK07756.1};
DE   Flags: Fragment;
GN   Name=mcrI {ECO:0000313|EMBL:AAK07756.1};
OS   uncultured archaeon 20B.
OC   Archaea; environmental samples.
OX   NCBI_TaxID=140203 {ECO:0000313|EMBL:AAK07756.1};
RN   [1] {ECO:0000313|EMBL:AAK07756.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=M MeOH R21 439 bp {ECO:0000313|EMBL:AAK07756.1};
RA   Hougaard E., Westermann P.;
RT   "The Archaeal Populations in Anaerobic Digesters Investigated by Comparison
RT   of 16S rDNA, rRNA and the Gene mcrI Encoding the mRNA of Methyl Coenzyme M
RT   Reductase.";
RL   Submitted (MAY-2000) to the EMBL/GenBank/DDBJ databases.
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DR   EMBL; AF268631; AAK07756.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9C4U2; -.
DR   GO; GO:0050524; F:coenzyme-B sulfoethylthiotransferase activity; IEA:InterPro.
DR   GO; GO:0015948; P:methanogenesis; IEA:InterPro.
DR   Gene3D; 1.20.840.10; Methyl-coenzyme M reductase, alpha/beta subunit, C-terminal; 1.
DR   InterPro; IPR008924; Me_CoM_Rdtase_asu/bsu_C.
DR   InterPro; IPR009047; Me_CoM_Rdtase_asu_C.
DR   Pfam; PF02249; MCR_alpha; 1.
DR   SUPFAM; SSF48081; Methyl-coenzyme M reductase alpha and beta chain C-terminal domain; 1.
PE   4: Predicted;
FT   DOMAIN          1..117
FT                   /note="Methyl-coenzyme M reductase alpha subunit C-
FT                   terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02249"
FT   NON_TER         1
FT                   /evidence="ECO:0000313|EMBL:AAK07756.1"
FT   NON_TER         146
FT                   /evidence="ECO:0000313|EMBL:AAK07756.1"
SQ   SEQUENCE   146 AA;  15903 MW;  CAFC876E9992D2E6 CRC64;
     GGVGFTQYAT AAYTDNILDD YTYYGKEYVE DKFGGLCEAP NNMDTILDVA SEVTFYGLEQ
     YEEFPALLED QFGGSQRAAI SAAASGCSTG FATGNAQTAL SGWYLSMYLH KEQHSRLGFY
     GYDLQDQCGA SNVFSIRGDE GLPLEL
//