2026-07-25_00000054|medium|31OX

Cryo-EM structure of the CO dehydrogenase (CODH) subcomplex from Methanosarcina acetivorans; Electron microscopy 3.55Å
Protein #1 170 residues (99% resolved)

MVDTTKNTKLFTSYGVTTSKTTTPEIAAKLISKAKRPLLVVGTKVLDPELLDRAVKIAQKANIPIAATGSSMPGFVGKDVDAKYINLHQLGFYVTDPNWPGLDGNGTYDTLIVLGHIKYYINQVLSGTKNFSTVKAIAIERNYIQNATMSFGNLSKADHYAALDELIDAL

MVDTTKNTKLFTSYGVTTSKTTTPEIAAKLISKAKRPLLVVGTKVLDPELLDRAVKIAQKANIPIAATGSSMPGFVGKDVDAKYINLHQLGFYVTDPNWPGLDGNGTYDTLIVLGHIKYYINQVLSGTKNFSTVKAIAIERNYIQNATMSFGNLSKADHYAALDELIDAL
Protein #2 805 residues (94% resolved)

MSKLTTGSFSIEDLESVQITINNIVGAAKEAAEEKAKELGPMGPTAMAGLASYRSWNLLLLDRYEPVLTPMCDQCCYCTYGPCDLSGNKRGACGIDMAGQTGREFFLRVITGTACHAAHGRHLLDHVIEVFGEDLPLNLGESNVLTPNVTICTGLSPKTLGECRAPMEYVEEQLTQLLATIHAGQESAEIDYDSKALFSGSLDHVGMEVSDIAQVSAYDFPKADPEAPLIEIGMGSIDKSKPLIVAIGHNVAGVTYIMDYMEENNLTDKMEIAGLCCTAFDMTRYKEADRRAPYAKIVGSLAKELKVIRSGMPDVIVVDEQCVRGDVLSESQKLKIPVIASNEKIMMGLPDRTDADVDSIVEEIKSGAIPGCVMLDYDKLGELIPKIAEVMAPIRDAEGITAIPTDEEFKVYIDKCVKCGECMLACPEELDIPEALEYAAKGSYEYLEALHDVCIGCRRCEQVCKKEIPILNVLEKAAQKSISEEKGWVRSGRGQASDAEIRKEGLNLVMGTTPGIIAIIGCPNYPAGTKDVYLIAEEFLKRNYLLAVSGCSAMDIGMFKDEDGKTLYEKYPGTFAGGGLLNTGSCVSNAHISGAAEKVAGIFAQRTLAGNLAEIADYTLNRVGACGLAWGAYSQKAASIGTGCNIYGIPAVLGPHSSKYRRALIAKNYDESKWKVYDGRDGSEMTIPPAPEFLLTTAETWQEAIPMMAKACIRPSDNNMGRSIKLTHWMELSKKYLGVEPEDWWKFVRNEADLPLAKREELLKRLEAEHGWEIDWKRKKIISGPKIKFDVSAQPTNLKRLCKEA

MSKLTTGSFSIEDLESVQITINNIVGAAKEAAEEKAKELGPMGPTAMAGLASYRSWNLLLLDRYEPVLTPMCDQCCYCTYGPCDLSGNKRGACGIDMAGQTGREFFLRVITGTACHAAHGRHLLDHVIEVFGEDLPLNLGESNVLTPNVTICTGLSPKTLGECRAPMEYVEEQLTQLLATIHAGQESAEIDYDSKALFSGSLDHVGMEVSDIAQVSAYDFPKADPEAPLIEIGMGSIDKSKPLIVAIGHNVAGVTYIMDYMEENNLTDKMEIAGLCCTAFDMTRYKEADRRAPYAKIVGSLAKELKVIRSGMPDVIVVDEQCVRGDVLSESQKLKIPVIASNEKIMMGLPDRTDADVDSIVEEIKSGAIPGCVMLDYDKLGELIPKIAEVMAPIRDAEGITAIPTDEEFKVYIDKCVKCGECMLACPEELDIPEALEYAAKGSYEYLEALHDVCIGCRRCEQVCKKEIPILNVLEKAAQKSISEEKGWVRSGRGQASDAEIRKEGLNLVMGTTPGIIAIIGCPNYPAGTKDVYLIAEEFLKRNYLLAVSGCSAMDIGMFKDEDGKTLYEKYPGTFAGGGLLNTGSCVSNAHISGAAEKVAGIFAQRTLAGNLAEIADYTLNRVGACGLAWGAYSQKAASIGTGCNIYGIPAVLGPHSSKYRRALIAKNYDESKWKVYDGRDGSEMTIPPAPEFLLTTAETWQEAIPMMAKACIRPSDNNMGRSIKLTHWMELSKKYLGVEPEDWWKFVRNEADLPLAKREELLKRLEAEHGWEIDWKRKKIISGPKIKFDVSAQPTNLKRLCKEA
Non polymer #3 RQM

InChI=1S/4Fe.Ni.4S

[S]1([Fe]2[S]3[Fe]1[S]4[Fe]3[S]2[Ni]4)[Fe]
Non polymer #4 SF4

InChI=1S/4Fe.4S

[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
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Reference