ID   MCRZ_METJA     STANDARD;      PRT;   260 AA.
AC   Q58255;
DT   01-NOV-1997 (Rel. 35, Created)
DT   01-NOV-1997 (Rel. 35, Last sequence update)
DT   30-MAY-2000 (Rel. 39, Last annotation update)
DE   METHYL-COENZYME M REDUCTASE II GAMMA SUBUNIT (EC 1.8.-.-) (MCR II
DE   GAMMA).
GN   MRTG OR MJ0845.
OS   Methanococcus jannaschii.
OC   Archaea; Euryarchaeota; Methanococcales; Methanococcaceae;
OC   Methanococcus.
RN   [1]
RP   SEQUENCE FROM N.A.
RC   STRAIN=JAL-1 / DSM 2661 / ATCC 43067;
RX   MEDLINE; 96337999.
RA   Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D.,
RA   Sutton G.G., Blake J.A., Fitzgerald L.M., Clayton R.A., Gocayne J.D.,
RA   Kerlavage A.R., Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I.,
RA   Overbeek R., Kirkness E.F., Weinstock K.G., Merrick J.M., Glodek A.,
RA   Scott J.L., Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D.,
RA   Utterback T.R., Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C.,
RA   Cotton M.D., Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M.,
RA   Klenk H.-P., Fraser C.M., Smith H.O., Woese C.R., Venter J.C.;
RT   "Complete genome sequence of the methanogenic archaeon, Methanococcus
RT   jannaschii.";
RL   Science 273:1058-1073(1996).
CC   -!- FUNCTION: THIS ENZYME COMPLEX CATALYZES THE FINAL STEP IN
CC       METHANOGENESIS, WHICH IS THE TERMINAL STEP OF ANAEROBIC
CC       DEGRADATION OF BIOMASS (BY SIMILARITY).
CC   -!- CATALYTIC ACTIVITY: REDUCTION OF METHYL-COENZYME M (2-(METHYLTHIO)
CC       ETHANESULFONIC ACID) WITH 7-MERCAPTOHEPTANOYLTHREONINE PHOSPHATE
CC       TO METHANE AND AN HETERODISULFIDE (CH(3)-S-COM + H-S-HTP = CH(4) +
CC       COM-S-S-HTP).
CC   -!- COFACTOR: THE ENZYME COMPLEX BINDS TIGHTLY (BUT NOT COVALENTLY)
CC       TO TWO MOLECULES OF COENZYME F430. F430 IS A YELLOW NICKEL
CC       PORPHINOID (BY SIMILARITY).
CC   -!- SUBUNIT: HEXAMER OF TWO ALPHA, TWO BETA, AND TWO GAMMA CHAINS (BY
CC       SIMILARITY).
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DR   EMBL; U67528; AAB98850.1; -.
DR   TIGR; MJ0845; -.
KW   Methanogenesis; Oxidoreductase; Multigene family.
SQ   SEQUENCE   260 AA;  30174 MW;  34413840D8EADACE CRC64;
     MAYKPQFYPG QTKIAQNRRD HMNPDVQLEK LRDIPDDDVV KIMGHRQPGE DYKTVHPPLE
     EMDLPEDYVR DLVEPLNGAK EGHRIRYIQF TDSMYFAPAQ PYDRARTYMW RFRGVDTGTL
     SGRQVIEMRE SDLEALSKNF LIDTAFFDPA RIGIRGATVH GHSLRLDENG LMFDALQRYV
     YDEKTGHVLY VKDQVGRPLD EPVDVGEPLP EEKLKEITTI YRIDGVPMRE DEELLTVVKR
     IHRARTLGGF LPVEDVFEKL
//