[NiFe]-hydrogenase (Hyb-type) from Citrobacter sp. S-77 in a ferricyanide-oxidized condition

Redox-dependent conformational changes of a proximal [4Fe-4S] cluster in Hyb-type [NiFe]-hydrogenase to protect the active site from O2.

MSQRITIDPVTRIEGHLRIDCEIENGVVSKAWASGTMWRGMEEIVKNRDPRDAWMIVQRICGVCTTTHAISSVRAAESAL
NIDVPVNAQYIRNIILAAHTTHDHIVHFYQLSALDWVDITSALKADPAKASAMLNGVSTWHLNSAEEFTKVQNKIKDLVA
SGQLGIFANGCWGHPAMQLPPEVNLIAVAHYLQALECQRDANRVVALLGGKTPHIQNLAVGGVANPINLDGLGVLNLERL
MYIKSFIDKLSDFVEQVYKVDTAVIAAFYPEWLERGQGAVNYLSAPEFPTDGKNGSFLFPGGYITDADLSTYRPITSHSD
EYLIKGIQESAKHAWYKDEAPQAPWEGTTVPDYTGWSDDGKYSWVKAPTFYGKTVEVGPLANMLCKLAAKRESTHAKLNE
IVAIYTKLTGKTIEVAQLHSTLGRIIGRTVHCCELQNVLQDQYNALIVNIGKGDHTTFVKPDIPATGEFKGVGFLEAPRG
MLSHWMVIKDGIISNYQAVVPSTWNSGPRNFNDEVGPYERSLVGTPIADPNKPLEVVRTIHSFDP(CSO)MSCAVH

MSQRITIDPVTRIEGHLRIDCEIENGVVSKAWASGTMWRGMEEIVKNRDPRDAWMIVQRICGVCTTTHAISSVRAAESAL
NIDVPVNAQYIRNIILAAHTTHDHIVHFYQLSALDWVDITSALKADPAKASAMLNGVSTWHLNSAEEFTKVQNKIKDLVA
SGQLGIFANGCWGHPAMQLPPEVNLIAVAHYLQALECQRDANRVVALLGGKTPHIQNLAVGGVANPINLDGLGVLNLERL
MYIKSFIDKLSDFVEQVYKVDTAVIAAFYPEWLERGQGAVNYLSAPEFPTDGKNGSFLFPGGYITDADLSTYRPITSHSD
EYLIKGIQESAKHAWYKDEAPQAPWEGTTVPDYTGWSDDGKYSWVKAPTFYGKTVEVGPLANMLCKLAAKRESTHAKLNE
IVAIYTKLTGKTIEVAQLHSTLGRIIGRTVHCCELQNVLQDQYNALIVNIGKGDHTTFVKPDIPATGEFKGVGFLEAPRG
MLSHWMVIKDGIISNYQAVVPSTWNSGPRNFNDEVGPYERSLVGTPIADPNKPLEVVRTIHSFDPCMSCAVH

EMAESVSRPQRPPVIWIGAQECTGCTESLLRATHPTVENLVLETISLEYHEVLSAAFGHQVEENKHNALEKYKGQYVLVV
DGSIPLKDNGIYCMVAGEPIVDHIRRAAEGAAAIIAIGSCAAWGGVAAAGVNPTGAVGLQEVLPGKTIINIPGCPPNPHN
FLATVAHIITYGKPPKLDAKNRPTFAYGRLIHEHCERRPHFDAGRFAKEFGDEGHREGWCLYHLGCKGPETYGNCSTLQF
CDVGGVWPVAIGHPCYGCNEEGIGFHKGIHQLAHVENQTPRSEKPDVNIKEGGNISAGAVGLLGGVVGLVAGVSVMAVRE
LGRQQKKDNADSRGE

0.1M Tris, 18% PEG 10000, 100mM Sodium Chloride, 20% glycerol

binding site for Di-peptide PRO M 545 and CSO M 546
binding site for Di-peptide CSO M 546 and MET M 547