acetyl-CoA decarbonylase/synthase, subunit beta (cdhC); Part of a complex that catalyzes the reversible cleavage of acetyl-CoA, allowing autotrophic growth from CO(2). The alpha-epsilon complex generates CO from CO(2), while the beta subunit (this protein) combines the CO with CoA and a methyl group to form acetyl-CoA. The methyl group, which is incorporated into acetyl-CoA, is transferred to the beta subunit by a corrinoid iron-sulfur protein (the gamma-delta complex); Belongs to the CdhC family.

acetyl-CoA decarbonylase/synthase, subunit gamma (cdhE); Part of a complex that catalyzes the reversible cleavage of acetyl-CoA, allowing autotrophic growth from CO(2).

Serine hydroxymethyltransferase (glyA); Catalyzes the reversible interconversion of serine and glycine with tetrahydromethanopterin (H4MPT) serving as the one-carbon carrier. Also exhibits a pteridine-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro- aldol mechanism; Belongs to the SHMT family.

D-arabino 3-hexulose 6-phosphate formaldehyde lyase (hps-2); Catalyzes the condensation of formaldehyde with tetrahydromethanopterin (H(4)MPT) to 5,10- methylenetetrahydromethanopterin; In the C-terminal section; belongs to the HPS/KGPDC family. HPS subfamily.

acetyl-CoA decarbonylase/synthase, subunit delta (cdhD); Part of a complex that catalyzes the reversible cleavage of acetyl-CoA, allowing autotrophic growth from CO(2). Probably maintains the overall quaternary structure of the ACDS complex. Belongs to the CdhD family.

Conserved hypothetical protein; Catalyzes the GTP-dependent successive addition of two L- glutamates to the L-lactyl phosphodiester of 7,8-didemethyl-8-hydroxy- 5-deazariboflavin (F420-0) to form coenzyme F420-0-glutamyl-glutamate (F420-2), with a gamma-linkage between the two glutamates. May be able to add up to four gamma-linked glutamates, since F420-4 is a species that was isolated from A.fulgidus.

Conserved hypothetical protein; Catalyzes the transfer of the phosphoenolpyruvate moiety from enoylpyruvoyl-2-diphospho-5'-guanosine (EPPG) to 7,8-didemethyl-8- hydroxy-5-deazariboflavin (FO) with the formation of dehydro coenzyme F420-0 and GMP.

N5-methyltetrahydromethanopterin:coenzyme M methyltransferase (mtr) {Methanobacterium thermoautotro; Similar to PID:668979 GB:AE000666 percent identity: 42.09; identified by sequence similarity; putative.

Formylmethanofuran:tetrahydromethanopterin formyltransferase (ftr-2); Catalyzes the transfer of a formyl group from 5-formyl tetrahydromethanopterin (5-formyl-H(4)MPT) to methanofuran (MFR) so as to produce formylmethanofuran (formyl-MFR) and tetrahydromethanopterin (H(4)MPT).